Security Engineer

About the Role Sigma Computing is seeking a Senior Security Engineer II focused on Cloud & Data Security to help safeguard our large-scale, cloud-native SaaS platform. This position centers on engineering: building security solutions, not just operating existing tools. The role calls for a subject matter expert in cloud security architecture. Collaboration w…

HHAeXchange is at the forefront of technology solutions for home and community-based care. Established in 2008, our mission is to create a comprehensive, end-to-end homecare ecosystem that empowers aging individuals and those with disabilities to thrive within their communities. Our dedicated team is passionate about revolutionizing healthcare by seamlessly connecting patients, personal care providers, managed care organizations, and state agencies. We are currently on the lookout for a Principal Cloud Security Engineer to join our expanding Cybersecurity team. In this pivotal role, you will lead initiatives to validate our security posture, manage and implement cutting-edge technical solutions, enhance existing security protocols, and establish robust security standards and policies. As a subject matter expert, you will develop reusable and secure solutions while cultivating strong relationships across HHAeXchange, technical teams, and customers. Your expertise will ensure alignment between our overall security strategy, HHAeXchange’s strategic objectives, and compliance requirements. You will maintain senior-level proficiency across various technical domains, particularly in Cloud and Incident Response, engage in proof-of-concept projects, adopt innovative and business-aligned technology platforms, and expand your areas of expertise as our business evolves. To excel in this role, you must be capable of fulfilling each essential duty satisfactorily. We are committed to providing reasonable accommodations to enable individuals with disabilities to perform essential functions.

About the Role Sigma Computing is hiring a Senior Security Engineer II focused on Threat Detection and Response for our Security Engineering team in New York City. This position acts as the technical subject matter expert for threat intelligence, detection, and response. The role partners closely with Security, Platform, Product, and Engineering teams to reduce risk and strengthen our defenses at scale. Responsibilities include translating Cyber Threat Intelligence (CTI) into practical security strategies and reinforcing our architecture to guard against modern attack techniques before they can impact our systems. Beyond platform management, this engineer will write production-grade code, design scalable detection systems, automate security responses, and build proactive controls. A strong understanding of cloud, identity, application, and data attack vectors is essential. What You’ll Do Adversary Response Planning: Develop and maintain a comprehensive adversary response strategy that connects organizational risks to specific threat actor tactics, techniques, and procedures (TTPs). Cross-Functional Leadership: Act as a subject matter expert for Infrastructure, Engineering, and Security teams. Guide the adoption of proactive security measures and help integrate security best practices throughout the development lifecycle and company infrastructure. Proactive Threat Modeling: Lead collaborative threat modeling for new products and infrastructure. Support cloud platform, Engineering, and IT teams in identifying and mitigating architectural vulnerabilities before deployment. Continuous Detection Engineering: Build, refine, and continually improve a library of high-fidelity detections. Ensure alerting mechanisms adapt to new exploitation methods and evolving industry standards. Industry Alignment: Stay current with the latest security developments (such as CISA advisories and new MITRE techniques) to keep Sigma’s controls aligned with industry standards. Resilience Testing & Training: Design and run incident response simulations and tabletop exercises. Educate non-security teams on their crisis roles and identify any weaknesses in our layered defense approach. Advanced Incident Management: Lead advanced incident response efforts to ensure security incidents are managed quickly and effectively.

About Our CompanyGeneral IntuitionAs a pioneering research lab, we are committed to advancing foundation models tailored for environments that demand intricate spatial and temporal reasoning. Over the past year, we have been at the forefront of AI innovation, developing agents adept at navigating complex environments, creating world models that serve as training grounds for these agents, and enhancing video understanding models with an emphasis on real-world applicability.With a successful seed round of $133M secured from General Catalyst and Khosla, we are poised to establish ourselves as the leading AI lab specializing in embodied agents.Your RoleAt General Intuition, alongside our sister company Medal, we operate at the convergence of large-scale gaming data, cutting-edge AI research, and rapid product engineering. In this vital role, you will be responsible for securing the infrastructure that connects these domains. Your tasks will include fortifying our cloud environments, safeguarding our data pipelines, and ensuring our deployment systems are resilient against supply-chain attacks and other potential threats.You will create secure-by-default frameworks without hindering the efficiency of research or product teams, integrating standard security tools with customized protections as needed. Your contributions will significantly minimize operational risks for both General Intuition and Medal, helping us maintain trust as we expand sensitive AI workflows and large creator-driven platforms.

At January, we are on a mission to revolutionize consumer finance from the ground up. By personalizing interactions and optimizing decision-making throughout all stages of consumer credit, we empower both consumers and creditors, ensuring that credit is fair, accessible, and tailored to individual needs.As a Lead Security Engineer, you will redefine security standards in an industry where trust has been significantly compromised. This is a unique opportunity to join us at a pivotal moment: we have established the hard-earned trust of leading financial institutions, and now you will create the security framework that extends this trust to millions of consumers.You will design and implement a dual trust architecture, safeguarding both consumer-facing experiences and robust enterprise systems. You will tackle technical challenges that are unparalleled in the industry, such as privacy-preserving data systems, compliance automation across multiple jurisdictions, and AI-driven decision-making processes. Your influence will shape our security strategy and culture from the ground up, demonstrating that security is not merely an overhead cost, but a competitive advantage that drives enterprise partnerships and market growth.Your ImpactTransform security into a competitive edge: Position January's security as a key differentiator that attracts banks and enterprises, unlocking Tier 1 partnerships and deals that competitors cannot secure.Promote security-by-design in product and application development: Collaborate with product and engineering teams to identify critical risks early in the process, focusing on application security across frontend, Flask services, and databases. Integrate security into the discovery and design phases, ensuring secure development patterns are embedded in workflows.Design systems for bank-grade data protection: Create and enforce data classification, encryption, and access control mechanisms that comply with regulatory standards, ensuring sensitive data remains within authorized boundaries.Foster a security-first engineering culture: Advocate for security-centric thinking within engineering teams without hindering progress. Lead incident responses decisively, ensuring that January emerges stronger from security events through thorough post-incident analyses.Streamline compliance with minimal overhead: Maintain SOC 2, PCI-DSS, and financial compliance using automated systems and build infrastructure that generates audit evidence seamlessly, eliminating compliance bottlenecks.

Join Veeam Software as a Senior Sales Engineer specializing in Data & AI Security. In this pivotal role, you will leverage your extensive technical expertise to support our sales team, ensuring the successful delivery of data protection solutions to our clients. Your ability to communicate complex technical concepts in an accessible manner will be crucial as you engage with customers and stakeholders.

Why Join Rogo?At Rogo, we are pioneering Wall Street's first authentic AI analyst. Our goal is to empower finance professionals at the world's leading investment banks, private equity funds, and investment firms with AI that provides unmatched speed, accuracy, and insights. We are not merely enhancing financial workflows; we are transforming them fundamentally.This is an extraordinary chance to be part of a transformative company at a pivotal moment. With a rapidly expanding client base, solid product-market alignment, and backing from elite investors, we are scaling swiftly and carving out a new niche in enterprise AI.Our team is intelligent, driven, and wholeheartedly committed to our mission. We work with passion, take ownership of intricate challenges, and maintain a steadfast focus on our users. If you flourish in a dynamic environment, demand excellence, and aspire to help shape the future of finance, we encourage you to apply.The OpportunityRogo is seeking a Staff Security Engineer to spearhead the design and implementation of cloud security architecture across AWS and GCP. This hands-on role is ideal for an engineer who has experience building and managing secure cloud platforms at scale and prefers solving security challenges through code, systems design, and automation rather than relying solely on policy.You will be responsible for the technical direction of cloud security at Rogo: devising secure primitives, authoring Terraform at scale, shaping identity and network architecture, and integrating security into the core platform. You will serve as a senior technical leader while also engaging in tactical tasks such as writing production code, reviewing infrastructure changes, and providing pragmatic security solutions to unblock teams.Your ResponsibilitiesArchitect and implement foundational cloud security measures across AWS and GCP, encompassing account/project structure, IAM models, network segmentation, and secure service-to-service communication.Own and create Terraform-based security architecture, including:Reusable, opinionated Terraform modules for IAM, networking, logging, and encryptionPolicy enforcement and guardrails to prevent insecure infrastructure deploymentsSecure defaults embedded directly into infrastructure primitivesDesign and manage cloud identity systems at scale, including workload identity, service accounts, role assumption, and cross-cloud access patterns.Lead the security design of cloud networking, ensuring robust configurations and compliance.

About the RoleJoin our dynamic team at FanDuel as we seek a skilled Senior Enterprise Security Engineer. This pivotal role requires a professional who is dedicated to crafting and implementing enterprise security control strategies, while also shaping our security posture. You will play a key role in balancing risk reduction with user experience and operational enablement at scale.Reporting directly to the Senior Manager of Enterprise Security Engineering, you will tackle diverse security challenges and lead initiatives that foster a secure environment for our operations.Your ResponsibilitiesImplement cutting-edge models such as “secure by default” and “zero trust” to maintain a robust security posture.Act as a security subject matter expert, collaborating with internal teams to meet business objectives and overcome security challenges.Develop and manage team roadmaps while staying informed of the latest threats and identifying security risks independently.Utilize automation and development approaches to enhance enterprise-wide security controls.Employ AI technologies to amplify the effectiveness of Security Engineering and FanDuel's operations.Support the security organization as needed, fostering a collaborative team environment.What We’re Looking ForProven expertise in security engineering across multiple domains, including Zero Trust, Endpoint Security, Data Protection, and more.Intermediate proficiency in scripting languages such as Python, Go, or Ruby; experience with Python and PowerShell is a plus.Familiarity with identity access management frameworks and protocols like SAML, SCIM, OAuth, and WebAuthN.Ability to model threats to corporate infrastructure and implement preventative architectures and controls.Strong communication skills to work effectively with a diverse range of partners, from engineering to legal teams.Adeptness in navigating rapidly evolving environments with a focus on solving ambiguous challenges.

About EliseAIAt EliseAI, we are dedicated to revolutionizing vital industries such as housing and healthcare. Everyone deserves a comfortable home and access to quality healthcare, yet these essentials are often challenging to obtain. By seamlessly integrating AI agents into existing workflows, we enhance efficiency, reduce costs, and elevate the overall experience for our users.Housing: We streamline the rental experience by simplifying apartment tours, lease signings, maintenance requests, and communication with property management—bringing everything tenants need into one convenient platform.Healthcare: We facilitate appointment scheduling, streamline intake forms, and enhance communication between patients and providers, allowing everyone to prioritize health over paperwork.With EliseAI, organizations minimize manual tasks, enhance accessibility, and deliver a cohesive experience across crucial services. Recently, we secured a $250 million Series E round led by Andreessen Horowitz to further accelerate our mission.About The RoleEliseAI is seeking a Senior Security Engineer to join our dynamic team and safeguard our cutting-edge AI solutions. In this role, you will be tasked with designing, implementing, and maintaining robust security measures to protect our systems, data, and users. Collaborating closely with our engineering, IT, and infrastructure teams, you will identify and resolve security vulnerabilities, automate security processes, and ensure compliance with industry standards.Key ResponsibilitiesAutomate security processes, including asset management, vulnerability management, and patch management using cloud-based tools and scripting.Drive the integration of developer tooling—such as linters, static analysis tools, posture assessment scanners, and query inspectors—to expedite secure system development.Develop and incorporate security-first application foundations across our products.Contribute significantly to AWS security, ensuring comprehensive protection across our cloud infrastructure.Provide security guidance throughout the development lifecycle, including secure coding practices and vulnerability assessments.

About GeminiFounded in 2014 by Cameron and Tyler Winklevoss, Gemini is a prominent global crypto and Web3 platform that offers a diverse range of secure, reliable, and user-friendly crypto products and services. Serving individuals and institutions in over 70 countries, our mission is to usher in a new era of financial, creative, and personal liberty by granting trusted access to the decentralized future. We envision a world where cryptocurrency transforms the global financial landscape, the internet, and money itself, fostering greater choice, independence, and opportunity for everyone. As a publicly traded entity, Gemini is uniquely positioned to amplify this vision with greater scale and influence.The Application Security DepartmentAt Gemini, we operate at the critical juncture of financial services and innovative technology, where security failures can severely impact customer trust and regulatory compliance. Our Application Security (AppSec) team is dedicated to ensuring that security is integrated from the very beginning of product development. We aim to secure our products during the conceptual and building phases—right from the requirements documentation to architectural decisions and code implementation. We believe that the most valuable security contributions occur before the product is finalized, as addressing issues afterward can be prohibitively expensive.Role Overview: Senior Application Security EngineerAs a Senior Application Security Engineer on our AppSec team, you will serve as a valued partner to engineering, product, and business teams throughout Gemini. Your role will involve guiding these teams in the design and development of secure products while fostering a culture of security awareness and judgment. Given Gemini's AI-first approach, the AppSec team is responsible for building tools that secure this innovative vision.This position requires in-person attendance at our New York City office twice a week.

About UsAt Gecko Robotics, we empower critical infrastructure by ensuring its availability, reliability, and sustainability through our innovative solutions. Our cutting-edge technology integrates wall-climbing robots, top-of-the-line sensors, and an AI-driven data platform, offering clients unprecedented insights into the current and future state of their physical assets. This enables real-time decision-making that enhances operational efficiency and safety, promotes mission readiness, and safeguards the environment from potential infrastructure failures.Position OverviewWe are seeking our inaugural dedicated Product Security Engineer to enhance and expand our application security measures at Gecko. In this pivotal role, you will have a significant impact on the security framework of our product as we continue to evolve.This is a hands-on position that requires direct collaboration with engineering teams to establish secure software practices as the default standard. While we have existing tools in place, we need someone who can refine them, automate processes, and minimize manual security tasks.If you thrive on building systems from scratch, addressing tangible challenges, and working closely with product and engineering teams, this role is tailored for you.Key ResponsibilitiesEnhance application security across our products and cloud systems, partnering with engineers to ensure secure software is the norm without hindering productivity.Integrate security checks into CI/CD pipelines to catch potential issues early, while refining existing tools to minimize distractions for engineers.Conduct code and infrastructure reviews to identify and mitigate security vulnerabilities, guiding teams in implementing secure, repeatable patterns.Automate currently manual security tasks, establishing scalable guardrails as the company expands.Collaborate with platform teams to bolster cloud security in AWS or Google Cloud, avoiding common pitfalls.Support the implementation of security controls necessary for SOC 2, ISO, and similar standards as we grow.Technologies We UtilizePython, JavaScript, ReactAmazon Web Services and Google CloudGitHub, GitLab, JenkinsContainers and Infrastructure as Code

Join MongoDB as a Senior Software Engineer within the Atlas Clusters Organization, a team that's pivotal in developing MongoDB Atlas, our premier database-as-a-service offering and the fastest-growing product in our portfolio. Atlas empowers users to effortlessly deploy secure, fault-tolerant, and globally distributed MongoDB clusters within minutes. You will be instrumental in crafting software that interfaces with major cloud providers (AWS, Azure, and GCP) to ensure security, durability, availability, and performance across all MongoDB deployments. The Atlas Clusters Security team is dedicated to delivering a top-tier cloud database security experience to our diverse clientele. Our team works on developing and maintaining essential systems for cluster networking, data encryption, database authentication, and more, enabling critical applications around the globe. This position is available in New York City with the flexibility of a hybrid work model or can be remote for candidates on the East Coast.

Join Our Innovative Security TeamAt OpenAI, security is paramount to our mission of ensuring that artificial general intelligence serves the best interests of humanity. Our dedicated Security team safeguards OpenAI’s technology, personnel, and products. We are technical in our solutions and operational in our approach, committed to supporting all aspects of our products and research. Our guiding principles include prioritizing impactful initiatives, empowering our researchers, preparing for future technological advancements, and fostering a robust security culture.Your Role as an Application Security EngineerIn the role of Application Security Engineer, you will play a vital part in identifying and mitigating security vulnerabilities within our software applications. This involves creating security tools, conducting code reviews, performing penetration testing, and executing comprehensive security assessments.We seek individuals who will collaborate closely with development teams to embed secure coding practices throughout the software development lifecycle, preemptively addressing security risks. You will also offer security guidance to developers and stakeholders, promoting a culture of security awareness across the organization.This position is based in New York City, but we also consider candidates for remote work. Our hybrid work model requires three days in the office each week, and we offer relocation assistance for new employees.Key ResponsibilitiesConduct Security Assessments: Regularly perform security assessments, code reviews, and penetration tests to identify vulnerabilities in applications and software.Create and Implement Security Tools: Design and develop security tools, frameworks, and methodologies to defend applications against potential threats.Collaborate with Development Teams: Work hand-in-hand with development teams to ensure security best practices are integrated throughout the software development lifecycle, including secure coding standards.Threat Modeling and Risk Assessment: Carry out threat modeling and risk assessments to proactively identify potential risks and devise effective mitigation strategies.Manage Vulnerabilities: Track, analyze, and manage vulnerabilities within applications, providing guidance and support for remediation efforts.Incident Response Support: Assist in incident response efforts and contribute to the development of incident response protocols.

About Our TeamAt OpenAI, our dedicated Security team is committed to providing our researchers, engineers, and staff with seamless access to the tools and resources necessary for optimal productivity, security, and comfort. As an Enterprise Security Engineer, you will thrive in a highly technical, collaborative environment focused on employee satisfaction.Our IT team, though compact and agile, covers a wide array of security domains, empowering you to contribute to innovative solutions and build robust systems from the ground up. With strong support and ample resources, we aim to implement a world-class enterprise security program.Role OverviewIn the role of Enterprise Security Engineer, you will play a key role in safeguarding OpenAI's internal information systems through the implementation and management of security protocols. You will collaborate closely with our IT and Security teams to enhance security capabilities, enforce policies, and monitor systems for potential threats.This position is available for remote work or relocation assistance can be provided for candidates moving to San Francisco.Your Responsibilities Will Include:Designing and executing robust security measures to protect our organization's information assets from unauthorized access, disclosure, or misuse.Monitoring both internal and external systems for security threats and responding promptly to alerts.Contributing to and enforcing IT and Security policies and procedures across the organization.Collaborating with the IT department to fortify our infrastructure using best practices in AzureAD, GSuite, GitHub, and other SaaS tools.Providing guidance to employees on best practices for securing endpoints, as well as office AV and network infrastructure.Creating innovative sharing controls and associated monitoring to safeguard company data, including intelligent group management, Data Loss Prevention (DLP), and other relevant security controls.Implementing forward-thinking models such as 'secure by default' and 'zero trust' to establish sustainably secure environments for knowledge workers and developers.Identifying and addressing vulnerabilities within our internal systems while adhering to best practices for data security.Utilizing our AI-driven models to enhance systems for improved security detection and response, data classification, and other security-related tasks.

About the Team The Server Security team at MongoDB, Inc. is part of the core engineering group, focused on advancing database user security at a global level. Based in New York City, this team designs and builds security features that support MongoDB’s distributed database platform. What You Will Work On Cryptography: Implement Queryable Encryption, at-rest data encryption, and core cryptographic features. For more details on Queryable Encryption, see the MongoDB documentation. Identity & Access: Design authentication and authorization systems, manage TLS, and work with X.509 certificates. Network Security: Develop networking protocols that are both high-performance and low-latency, including PKI, Hashing, and Certificate Revocation Lists (CRLs). System Integrity: Build features that support resilience, observability, and compliance for large-scale distributed systems. Team Culture MongoDB values inclusivity, diversity, and collaboration. The Server Security team applies distributed systems principles to deliver essential features for application developers, system architects, and database operators.

About the Role Adaptive Security is looking for a Lead Application Security Engineer in NYC. This position shapes how we defend our software against threats, guiding security strategy and execution across our applications. What You Will Do Lead the design and rollout of security measures for software applications Develop and refine security strategies to address emerging risks Work closely with teams to uphold strong security standards Ensure our practices align with industry regulations and compliance requirements What Matters Here Deep experience in application security Ability to guide teams and set technical direction Commitment to both proactive defense and regulatory compliance

Join Hudson River Trading (HRT), a leading quantitative trading firm renowned for its commitment to technological advancement. We develop and deploy state-of-the-art systems in one of the most sophisticated computing environments globally, driving our expansive trading operations.We are on the lookout for a seasoned Security Operations Engineer to become a vital part of our expanding Security Operations team. In this pivotal role, you will design, build, and maintain strategic security solutions that safeguard HRT’s global cyber security infrastructure.The ideal candidate will possess a deep understanding of SIEM, SOAR, UEBA, and DLP technologies. Proficiency in programming languages, particularly Python, along with experience in log management and observability platforms such as the Elastic stack, is essential. This role demands strong technical troubleshooting abilities, along with exceptional organizational, automation, project management, and communication skills across various functions.

At Artemis, we are revolutionizing the realm of AI-driven cybersecurity, empowering organizations to proactively detect and defend against threats in a rapidly evolving digital landscape where AI technologies are engaged in cyber warfare.Supported by esteemed investors such as First Round Capital and Brightmind, alongside a cadre of renowned cybersecurity professionals, we are committed to delivering cutting-edge solutions.Our leadership team, including Shachar (former Palo Alto Networks, AWS, Demisto) and Dan (former Abnormal Security, Twitter), has successfully launched and scaled trusted cybersecurity products for thousands of clients, bringing unparalleled expertise in customer relations, technology, and security.Our diverse and talented team consists of software engineers, AI researchers, security engineers, and product designers from leading companies including Google, Abnormal AI, Wiz, Meta, AWS, and CERN.As we expand our team, we seek enthusiastic builders eager to contribute to our growing customer community.Position SummaryAs a Security Research Engineer at Artemis, you will spearhead detection research, threat hunting, and the automation of security processes powered by AI. This role presents a unique opportunity to engage with both security expertise and advanced AI technology, where you will research data sources, develop detection mechanisms, investigate real incidents, and collaborate directly with clients to enhance security outcomes. Your contributions will significantly influence the threats we identify and the methods we employ to tackle them.Key ResponsibilitiesAI-Driven Detection Development - Create automation tools that utilize AI to expedite the development, fine-tuning, and validation of detection strategies on a large scale.Security Research - Conduct thorough analyses of cloud, identity, and SaaS data sources, including AWS CloudTrail, Okta, and more.

Join Olo, a premier SaaS provider revolutionizing the restaurant sector by enhancing digital transformation. Our platform empowers businesses to offer highly personalized and lucrative guest experiences, ensuring that every interaction feels special and tailored.As a Staff Security Engineer, you will serve as the technical anchor for the Olo Security Blue Team, spearheading initiatives that fortify our systems while safeguarding sensitive client and customer information. Reporting directly to the Security Engineering Director, you will play a pivotal role in establishing robust security measures that maintain operational integrity.Your responsibilities will encompass identifying and prioritizing future projects based on risk assessments, executing cross-departmental initiatives with both ownership and excellence, and mentoring fellow team members to enhance their skill sets. If you are driven by the desire to mitigate risks while fostering innovation, we invite you to become part of our dynamic team!This position offers the flexibility to work remotely from anywhere within the U.S. or from Olo's vibrant headquarters located in NYC.