Security Engineering Lead

Role overview Quartermaster seeks a Lead Security Operations Engineer based in California. This position plays a central role in maintaining and improving the company’s security posture. The engineer will guide a team of security professionals and take ownership of critical security projects. Key responsibilities include choosing and deploying advanced security technologies. The role requires staying alert to new and evolving threats, ensuring that the organization’s defenses remain current and effective. What you will do Lead and mentor a team focused on security operations Oversee the selection and rollout of security tools and technologies Drive projects aimed at strengthening organizational security Monitor for emerging threats and adapt defenses as needed Location This position is based in California.

Join Anchorage Digital, the forefront of innovation in the digital asset space, where we are crafting the world’s most sophisticated platform tailored for institutional participation in cryptocurrency.Anchorage Digital is a pioneering crypto platform, empowering institutions to engage with digital assets through advanced custody solutions, staking, trading, governance, and a state-of-the-art security infrastructure. As home to Anchorage Digital Bank N.A., the inaugural federally chartered crypto bank in the U.S., we extend our services globally through Anchorage Digital Singapore, Porto by Anchorage Digital, and other innovative offerings.Backed by prominent investors such as Andreessen Horowitz, GIC, Goldman Sachs, KKR, and Visa, Anchorage Digital boasts a Series D valuation exceeding $3 billion. Since our inception in 2017 in San Francisco, California, we have expanded our presence to offices in New York, Porto, Singapore, and Sioux Falls. Discover more at anchorage.com or connect with us on X @Anchorage and LinkedIn.As an Engineering Lead for the Security Operations team, you will play a pivotal role in fostering the growth of a dynamic engineering organization. Your responsibilities will include recruiting top-tier engineers to fortify our team, mentoring and collaborating with team members to help them achieve their career aspirations, and implementing processes that ensure sustained high performance. Cultivating a vibrant organizational culture is central to your mission as you guide and support your colleagues, refine our strategic roadmap, and actively contribute to our recruiting efforts.In this role, you will also enhance our security roadmap, champion operational excellence in vulnerability management and incident response, develop strategic initiatives for security automation, and leverage your influence to foster sound decision-making throughout the organization.We are committed to continuous growth and impact, providing frameworks for team members to measure their contributions and cultivate their skills within and beyond the Engineering Lead, Security Operations role.

Join Anthropic as a Lead Security Engineer in our Corporate Security team. In this pivotal role, you will lead the development and implementation of robust security measures to safeguard our corporate environment. You will collaborate with cross-functional teams to identify vulnerabilities and enhance our security posture.Your expertise will drive innovative security solutions and ensure compliance with industry standards, contributing to the overall safety and integrity of our operations.

Join Moveworks as a Senior Security Engineer within our Security Operations team, where you will play a critical role in safeguarding our digital assets and enhancing our security posture. You will be responsible for identifying vulnerabilities, implementing security measures, and responding to incidents, ensuring that our systems remain secure and resilient against evolving threats.

Join VideoAmp as a Senior Security Operations Engineer where you will play a crucial role in safeguarding our systems and data. In this position, you will leverage your expertise in security operations to identify vulnerabilities, respond to incidents, and implement robust security measures. Your insights will be critical in enhancing our security posture as we continue to innovate in the digital advertising space.

Senior Lead for Detection and Response in Security OperationsSan Carlos, CA (on-site)About 1XAt 1X, we are at the forefront of innovation, developing humanoid robots that collaborate with humans to address labor shortages and foster abundance across various industries.Role OverviewIn the capacity of Senior Lead for Detection and Response, you will take charge of 1X's comprehensive detection strategy, encompassing centralized logging, SIEM architecture, and the implementation of a high-efficiency 24/7 SOC/MDR operational model. This role demands a hands-on leader who is adept at managing the entire detection loop—from logging and incident response to ongoing enhancements. You will engineer scalable systems, mitigate alert fatigue, and ensure dependable responses during critical situations. Your contributions will significantly bolster 1X's proficiency in detecting, managing, and learning from security incidents as our organization continues to expand.Your ResponsibilitiesEstablish and manage the entire detection lifecycle, including log collection, normalization, detection engineering, triage, response, and post-incident analysis.Oversee centralized logging across cloud infrastructures, endpoints, identity systems, networks, and essential SaaS platforms.Drive the SIEM strategy, incorporating new data sources, parsing, tuning, detection engineering, routing logic, and executive-level dashboards.Develop and maintain a 24/7 SOC/MDR partnership, outlining requirements, playbooks, SLAs, escalation pathways, and quality benchmarks.Implement incident readiness programs, including runbooks, tabletop exercises, evidence capture protocols, and post-incident improvements.Minimize alert noise while enhancing detection signals through continuous tuning and risk-based alerting practices.Lead investigations, focusing on triage, containment, root cause analysis, and the facilitation of post-mortem assessments.Pinpoint and address detection gaps with measurable advancements in detection and containment timelines.

Role overview Lakeshore seeks a Senior IT Security Operations Engineer for its Carson office. This hybrid role centers on protecting IT infrastructure and digital assets. The position works closely with teams throughout the company to strengthen security, monitor for threats, and manage incidents as they occur. Key responsibilities Implement and maintain security controls to protect systems and company data Monitor networks and systems for vulnerabilities and suspicious activity Investigate and respond to security incidents Work with colleagues across departments to address security requirements Support compliance with relevant industry standards Help safeguard sensitive information and contribute to risk management Work location This is a hybrid position based in Carson, requiring some on-site presence.

Join CodeRabbit as Our Lead Security EngineerAt CodeRabbit, we are at the forefront of innovation in research and development, dedicated to creating groundbreaking human-machine collaboration systems. Our vision is to revolutionize the future of software development through the integration of Gen AI-driven code reviewers, facilitating an unparalleled partnership between human creativity and advanced algorithms. By harnessing the power of language models and human intellect, we aim to redefine efficiency and quality in software development.Position Summary:We are seeking a seasoned Lead Security Engineer to join our mission of empowering developers with high-performance tools in a rapidly evolving threat landscape. In this pivotal role, you will be responsible for architecting, fortifying, and safeguarding our infrastructure and ecosystem.As the Lead Security Engineer, you will infuse security into all aspects of our product and infrastructure, serving as the guardian of resilience, incident response, and proactive defense at scale.Key Responsibilities:Define the Security Roadmap: Develop and implement a strategic security engineering plan that aligns with CodeRabbit’s agile engineering processes.Enhance Resilience: Advocate for defense-in-depth strategies, including threat modeling, secure design reviews, hardening, and CI/CD integration.Lead Incident Response: Take charge of security incident response and recovery, ensuring effective triage, resolution, and root cause analysis to bolster system integrity.Security Tools & Automation: Develop or integrate security tools (SAST, DAST, SIEM, EDR, monitoring) seamlessly into the developer workflow to maintain high delivery velocity.Integrate Security Practices: Collaborate with engineering and product teams to ensure secure practices are incorporated early in project planning and daily operations.Cultivate Talent & Culture: Contribute to hiring, coaching, and mentoring a resilient security engineering team while promoting security awareness throughout the organization.Establish Compliance & Policy: Develop security standards, frameworks, and processes that evolve with our growth while remaining streamlined and developer-friendly.Qualifications:Proven Experience: 8+ years in security engineering, incident response, or related fields. Leadership experience during critical situations is a plus.Technical Proficiency: In-depth knowledge of security best practices, threat modeling, and incident management.Collaborative Mindset: Strong interpersonal skills and the ability to work effectively across multidisciplinary teams.Adaptability: Eagerness to learn and adapt in a dynamic and fast-paced environment.

About Periodic Labs Periodic Labs combines artificial intelligence with the physical sciences to advance scientific discovery. The team works on developing new models and tools that push the boundaries of research. Backed by strong funding and growing quickly, team members have ownership over their work and solve problems without bureaucratic barriers. The company values curiosity, practical solutions, and the adoption of new scientific methods and technologies. Role Overview: Lead Security Engineer The Lead Security Engineer will design, implement, and manage security practices across Periodic Labs. This role is responsible for protecting the systems that support research and daily operations, including cloud platforms, clusters, internal developer tools, identity systems, secrets management, SaaS integrations, and lab infrastructure. Collaboration with research, infrastructure, lab, and operations teams is essential to reduce risk and support scientific experimentation. This is a hands-on position. The Lead Security Engineer will build automation, deploy security controls, lead incident responses, and help raise the standard for secure system design. The role also involves setting up practical security protocols and developing tools to make secure practices easier for everyone at Periodic Labs. Key Responsibilities Oversee security architecture for cloud environments, Kubernetes, internal services, and research infrastructure Develop and manage identity and access systems for both people and workloads, including SSO, MFA, RBAC, SCIM lifecycle automation, workload identity, and least-privilege access Improve secrets management using KMS, GitHub and CI credentials, 1Password or similar tools, and secure service-to-service authentication Strengthen software delivery and developer workflows, focusing on CI/CD, dependency security, build provenance, artifact integrity, and secure GitHub administration Conduct threat modeling, secure design reviews, and risk assessments for internal platforms, lab systems, and any externally exposed products Build detection and response capabilities across cloud, identity, network, and endpoint telemetry; manage incidents through containment, root cause analysis, and remediation Lead vulnerability management and remediation automation for hosts, containers, dependencies, SaaS, and infrastructure-as-code Work with infrastructure and lab engineering teams on segmentation, remote access, firewall policy, certificates, DNS, and secure device-to-cloud patterns Set practical security standards, run tabletop exercises, and help the company make informed security decisions without unnecessary overhead Location This role is based in Menlo Park.

About Beacon AIAt Beacon AI, we are a dynamic team composed of aviators, engineers, and operators dedicated to developing an innovative AI platform aimed at enhancing safety, efficiency, and capability in aviation. Supported by leading investors, we have successfully secured multiple Department of Defense contracts and forged partnerships with major airlines to deliver critical systems. Our culture is built on collaboration, allowing small, focused teams to take ownership of their projects, rapidly deploy solutions, and continually learn, thus pushing the limits of human and AI integration in aviation.Role OverviewWe are looking for a Lead Security Software Engineer to uphold the security and integrity of systems and data within both commercial and Department of Defense (DoD) environments. This hands-on role will involve designing and managing secure systems, closely collaborating with software teams, and safeguarding vital flight safety technologies while adhering to relevant security standards.What You’ll DoDesign and deploy secure architectures across applications, cloud infrastructure, and data systems.Safeguard sensitive data through robust access management, encryption, and secure data handling practices.Identify, evaluate, and mitigate security vulnerabilities through assessments, penetration testing, and comprehensive security reviews.Lead incident response initiatives, including detection, containment, remediation, and post-incident analysis.Incorporate security best practices throughout the Software Development Life Cycle (SDLC) by collaborating with software engineering teams.Establish and manage security monitoring and logging systems to detect and respond to threats in real-time.What Will Make You Successful5–9 years of hands-on experience in security engineering roles, focusing on securing complex systems and data.Deep understanding of security principles, threat modeling, and defensive security methodologies.Familiarity with common security tools and technologies such as SIEM, IDS/IPS, vulnerability scanners, and encryption tools.Knowledge of security and compliance frameworks including NIST, ISO 27001, and CMMC.Demonstrated ability to work collaboratively with software engineers to design secure systems.Proactive mindset with excellent analytical and problem-solving capabilities.

Why join usAt Brex, we are redefining financial management through our AI-driven spend platform, empowering companies to manage their expenditures with confidence. Our integrated solutions include corporate cards, banking, and global payments, all paired with user-friendly software for travel and expenses. Our diverse clientele, ranging from innovative startups to established enterprises like DoorDash, Flexport, and Compass, leverage Brex to maintain control over their spending, minimize costs, and boost operational efficiency worldwide.Joining Brex means embracing challenges, pushing boundaries, and collaborating with some of the brightest minds in the tech industry. We are devoted to fostering a diverse and inclusive workforce and believe that your potential should be limited only by your ambition. We provide you with the necessary tools, resources, and support to advance your career.Engineering at BrexOur engineering teams at Brex are dedicated to constructing scalable systems with precision and purpose. We operate in collaborative teams across Software, Data, Security, and IT, functioning with a high degree of autonomy. We tackle complex technical challenges, take ownership of our outcomes, and strive for excellence in every aspect of our work—from architecture to deployment. This is where engineering is a craft, and innovators become leaders.Your RoleAs a Senior Security Operations Engineer at Brex, your primary focus will be on preventing, detecting, and responding to security threats within our corporate and cloud infrastructures. You will leverage existing systems and create new tools to enhance our security posture. Our team manages corporate security, detection and response, and infrastructure security, employing systems engineering and automation to elevate these functions.Being part of the Security Operations team means collaborating closely with Application Security, Corporate Engineering, GRC, and IT. You will have the opportunity to enhance security configurations, promote positive employee behaviors, and work proactively to avert incidents. Additionally, you will contribute to our open-source project Substation and contribute to the Brex Tech Blog. Join us in making impactful contributions to the broader security community while engaging in mentorship and striving for engineering excellence.

At Roblox, millions of users engage daily in a vibrant ecosystem of exploration, creativity, and connection within immersive 3D digital worlds, all crafted by our diverse community of developers and creators. We are dedicated to providing the tools and platform that empower our community to transform their imaginative experiences into reality. Our mission is to redefine how individuals connect globally, across any device, while fostering an environment of optimism and civility. We are seeking exceptional talent to join us on this journey to connect a billion people. A career with Roblox allows you to influence the future of human interaction, tackle unique technical challenges at scale, and contribute to creating safer, more respectful shared experiences for everyone.As a pivotal member of the Security Operations team, you will take the reins as the Incident Response Program Lead at Roblox headquarters. In this essential role, you will be responsible for developing, enhancing, and expanding our Security Incident Response Team (SIRT) capabilities across people, processes, and technology. You will architect our response maturity, transitioning us from reactive firefighting to a structured, highly coordinated operation. While you’ll remain hands-on during incidents, your primary focus will be to amplify our capabilities: ensuring that our alert pipeline, response procedures, tools, and capacities are deeply integrated with the entire organization. Collaborating closely with leadership, you will shape the roadmap for the Security Incident Response Team, work cohesively with Security Operations Center (SOC) operations, and ensure our team is well-equipped to protect Roblox’s platform, developers, and millions of users.

Join Vast as a Global Security Operations Center Operator, where you will play a pivotal role in ensuring the safety and security of our global operations. In this dynamic position, you will monitor security systems, respond to incidents, and collaborate with our security team to protect our assets and personnel.

Join Prophet Security as a Software Engineering Manager for our Platform Team!At Prophet Security, we are revolutionizing the security operations landscape with our AI-powered platform that enhances detection, investigation, and response capabilities. Our mission is to empower security teams to operate without the limitations of overwhelming alert volumes or disjointed tools. As part of our growing team, you will collaborate with industry veterans from leading companies like Abnormal Security, Expel, Mandiant, and McAfee to shape our innovative solutions and enhance customer success.Your Role and ImpactThe Platform Team is critical to ensuring our security operations platform functions reliably and efficiently at scale. You will be responsible for:Integrations: Developing and maintaining effective connectors for seamless and dependable ingestion of security data from various sources, including SIEM, EDR, cloud platforms, and SaaS applications.Observability & Monitoring: Implementing comprehensive telemetry, logging, and alerting systems to achieve over 99.9% uptime and facilitate swift incident responses.Developer Productivity: Creating CI/CD pipelines, testing frameworks, and development tools to enhance the overall efficiency of our engineering organization.Deployment Infrastructure: Designing and managing secure deployment systems that ensure compliance across diverse customer environments.As the Engineering Manager for the Platform Team, you will define and oversee the technical roadmap, balancing immediate customer needs with a vision for architectural excellence. Your contributions will significantly influence every customer interaction with Prophet Security, enabling our engineering team to work more effectively and scalable.Your ResponsibilitiesThis role is a hands-on engineering management position, where you will dedicate 25% of your time to direct technical contributions while leading your team.Build and nurture a high-performing team of Platform engineers, focusing on hiring top talent that aligns with our culture.Maintain technical credibility by staying engaged with our codebase, ready to troubleshoot issues, enhance monitoring, or deploy new features as necessary.Provide mentorship and guidance through regular one-on-one meetings, establishing clear pathways for career development and growth opportunities for each team member.Continuously evaluate and refine team processes to drive efficiency and innovation.

About Applied IntuitionApplied Intuition, Inc. is at the forefront of transforming physical AI. Since our inception in 2017, we have reached a valuation of $15 billion, establishing ourselves in Silicon Valley as a leader in developing the digital infrastructure required to infuse intelligence into every moving machine globally. We cater to various industries including automotive, defense, trucking, construction, mining, and agriculture through our three primary areas: tools and infrastructure, operating systems, and autonomy. Our solutions are trusted by 18 of the world's top 20 automakers, as well as the United States military and its allies, ensuring the delivery of physical intelligence. We are headquartered in Sunnyvale, California, with additional offices in Washington, D.C.; San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Discover more at applied.co.We operate primarily in-office, expecting employees to work from the Applied Intuition office five days a week. However, we value flexibility and trust our team to manage their schedules responsibly. This may involve occasional remote work, beginning the day with morning meetings from home before heading into the office, or leaving early for family commitments.About the RoleWe are on the lookout for a dynamic Corporate Security Engineer to spearhead our efforts in safeguarding our personnel, endpoints, networks, collaboration platforms, and enterprise data. You will collaborate closely with the IT Infrastructure, Detection & Response, and GRC teams to ensure that our security measures are effective, scalable, and aligned with our business objectives. In this position, you will define the strategic roadmap, make architectural decisions, and represent Corporate Security throughout the organization.Key Responsibilities:Define the value proposition and service model for corporate security capabilities, encompassing network hardening, monitoring, infrastructure hardening, and data security posture.Oversee and optimize email security platforms to guard against phishing, malware, business email compromise, and advanced threats.

Join Roblox, where millions of users engage daily to explore, create, play, learn, and connect with friends in innovative 3D digital experiences crafted by our diverse global community of developers.At Roblox, we are dedicated to developing tools and a platform that enable our community to manifest their wildest imaginations. Our vision is to transform how people connect from anywhere in the world on any device. Our mission is to link a billion people through positivity and respect, and we are in search of exceptional talent to help us achieve this goal.A career at Roblox means you will be at the forefront of shaping the future of human interactions, tackling unique technical challenges at a grand scale, and contributing to safer, more respectful shared experiences for everyone.As a Lead Principal Security Software Engineer reporting to the Manager of Application Security, you will spearhead the Security Design and Review pod. This role is vital for the evolution of the Information Security's (InfoSec) Application Security team, working closely with engineering teams to ensure secure design practices and the establishment of security standards. Your duties will encompass threat modeling, secure systems design, automation processes, and penetration testing.In this pivotal position, you will guide company-wide projects across various technological frameworks, collaborating with engineering leaders to address security challenges effectively. You will define and advance the technical vision for scaling application security practices throughout the organization.You will:Lead extensive security initiatives to confront critical security challenges.Cultivate relationships across the company to fulfill security objectives.Provide expert guidance on product security processes and standards.Define and nurture partnerships with key engineering teams throughout Roblox.Utilize analytical skills to craft security protocols and communicate effectively with stakeholders.Investigate and assess emerging technologies to bolster the company's security posture.Identify potential threats and vulnerabilities within our systems and data, and assist in developing and implementing protective measures.Empower cross-functional teams to adopt security solutions aligned with Trust-by-Design principles.Contribute to the overall security culture within the organization.

Product Security Engineer - Operating SystemPalo Alto, CA (on-site)About 1XAt 1X, we are pioneers in developing humanoid robots designed to collaborate with humans, addressing labor shortages and fostering abundance in various sectors.The RoleWe are on the lookout for a skilled Product Security Engineer specializing in operating system security to enhance the robustness of our robotics platform. In this pivotal role, you will architect and implement critical security features such as secure boot, trusted execution environments, and service hardening. Your contributions will be essential in safeguarding sensitive operations and data while empowering our developers to adhere to security best practices. This position plays a vital role in bolstering the resilience and trustworthiness of our systems.You WillDevelop and maintain secure critical services for Linux systemsImplement secure boot chains utilizing fused hardware keys with rollback protectionIntegrate OP-TEE to protect sensitive assets, including mTLS certificates and disk encryption keysHarden system services using least-privilege operations, systemd features, namespacing, and syscall filteringCreate hardening templates and automation tools to facilitate security enforcement for developersAutomate security validation processes within CI/CD pipelinesDesign and enforce device access controls for Linux systemsContribute and deploy C/C++ code (or similar) into production environments

At Harmonic Security, we empower teams to safely integrate AI tools by ensuring real-time protection of sensitive data with minimal effort. Our solutions provide enterprises with complete control over their data, preventing leaks and fostering a culture of confident innovation.Our leadership is comprised of seasoned cybersecurity professionals, supported by top-tier investors such as N47, Ten Eleven Ventures, and In-Q-Tel.Our Work Philosophy: AI at the CoreHarmonic's mission is to facilitate the safe and scalable adoption of AI by enterprises. We hold ourselves to this standard, with every team member actively utilizing AI tools to enhance their work, from research and writing to process building and workflow automation. We welcome new hires who bring a curiosity about AI and a readiness to harness its potential to work smarter, faster, and more creatively. Whether it's through experimentation with new tools or the development of entirely new systems centered around AI, we are committed to providing clarity and support for each role.Team OverviewIn this role, you will report directly to the VP of GTM Strategy and Operations, collaborating closely with sales leadership, customer success, tech operations, and finance teams. This cross-functional position places you at the nexus of revenue operations and systems engineering, where you will construct clean, automated, and scalable infrastructures pivotal for our representatives, leaders, and board. Your responsibilities will go beyond mere tool configuration; you will be tasked with architecting, integrating, and coding to ensure a seamless operational flow.Role ResponsibilitiesThis position is designed for an innovative builder who is not interested in maintaining existing systems, but rather identifying and resolving inefficiencies within the go-to-market (GTM) processes through AI and automation.You will take ownership of designing and developing systems, automations, and internal tools that enhance the effectiveness of our GTM teams. This encompasses everything from HubSpot architecture and lead routing to the creation of AI-driven agents for research, data enrichment, and meeting preparation. If your instinct is to leverage AI tools like Claude or Clay rather than defaulting to spreadsheets for manual processes, you will excel in this environment.As Harmonic scales its GTM operations, the systems you implement will play a crucial role in shaping our operational landscape for years to come.

As a Security Operations Manager at CIM Group, you will be at the forefront of ensuring the safety and security of our assets and operations. Your expertise in developing and implementing security protocols will be crucial in maintaining a secure environment. You will lead a team of security professionals, collaborate with various departments, and work closely with law enforcement and emergency services.