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Join Instacart as a Senior Security Engineer II and become a vital part of our mission to transform the grocery shopping experience. As a key contributor to our security team, you will help protect sensitive data and ensure the security of our platform. You will collaborate with cross-functional teams to develop security protocols, conduct risk assessments, and implement security solutions.
Instacart is a leading grocery delivery and pickup service in North America, dedicated to making grocery shopping easier and more convenient for everyone. Our innovative technology connects customers with their favorite local stores, allowing them to shop from the comfort of their homes.
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Search for Senior Security Engineer - Penetration Tester
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Menlo Security
Menlo Security is dedicated to empowering individuals and organizations to connect, communicate, and collaborate securely without compromise. The urgency of this mission has only intensified in the wake of COVID-19. We proudly serve a diverse clientele that includes Fortune 500 companies, 9 out of 10 of the largest global banks, and the Department of Defense…
Altersolutions
Join Altersolutions as a Penetration Tester in the vibrant city of Montréal! We are looking for innovative and skilled professionals to enhance our cybersecurity efforts. In this role, you will be responsible for identifying and exploiting vulnerabilities within our systems, providing valuable insights to strengthen our defenses against potential threats.If you have a passion for cybersecurity and a knack for problem-solving, we want to hear from you!
System Canada Technologies
We are seeking a highly skilled Senior Tester with a robust background in Prime Brokerage and Securities to join our dynamic team. The ideal candidate will have a keen eye for detail and a passion for ensuring the highest quality standards in software testing. You will be responsible for analyzing requirements, designing test cases, and executing tests to ensure the functionality and performance of our financial systems.
Rootly
About RootlyAt Rootly, we are dedicated to transforming how organizations respond to incidents, striving to enhance reliability across all sectors. Our cutting-edge incident management platform empowers companies globally to address incidents swiftly and effectively. We're not just redefining an industry; we're pioneering a new multi-billion dollar segment and require exceptional talent to help us realize this ambitious vision.Our clients include some of the fastest-growing names in the world, such as NVIDIA, Figma, Canva, Tripadvisor, and Squarespace, who trust Rootly to streamline their critical incident management processes. They appreciate our robust, enterprise-ready platform and collaborative partnership model, consistently rating us 5 stars on G2.Our investors share our enthusiasm. Backed by prominent funds including Y Combinator, along with industry leaders from Dropbox and GitHub, we prioritize transparency in our culture. Monthly financial reviews keep our team informed about the business's health, and our weekly changelog keeps everyone updated on our developments.About the RoleAs a Senior Security Engineer, you will be instrumental in advancing our security initiatives, working closely with diverse teams to ensure the reliability and scalability of our products. You will design systems, tools, and solutions that secure our mission-critical applications while contributing to organization-wide efforts to automate, optimize, and enhance our security protocols.Develop security solutions that not only meet rigorous standards but also exceed the expectations of our developers and customers.Play a key role in vital security initiatives, including identity and access management, vulnerability management, incident response, security control implementation, and infrastructure security.Collaborate closely with engineering teams to deliver secure, reliable, and scalable solutions for our valued customers.With our expanding customer base, tackle intriguing technical challenges to scale our product effectively.Participate in the on-call rotation, swiftly addressing and resolving security incidents as they occur.
Instacart
Join Instacart as a Senior Security Engineer II and become a vital part of our mission to transform the grocery shopping experience. As a key contributor to our security team, you will help protect sensitive data and ensure the security of our platform. You will collaborate with cross-functional teams to develop security protocols, conduct risk assessments, and implement security solutions.
About SentryAt Sentry, we believe bad software should be a thing of the past. Our mission is to empower developers to create better software at an accelerated pace, allowing everyone to enjoy technology again.With over $217 million in funding and a community of more than 100,000 organizations including industry leaders like Disney, Microsoft, and Atlassian, we are on the forefront of building innovative performance and error monitoring solutions. Our tools enable teams to spend less time resolving bugs and more time enhancing their products.Sentry supports a hybrid work environment across our global offices, designating Mondays, Tuesdays, and Thursdays as in-office days to foster collaboration and creativity. If you are passionate about creating solutions that improve digital experiences, join us in developing next-generation software monitoring tools.About The RoleAs a pivotal member of our Security Team, you will play a key role in safeguarding all aspects of Sentry: our clients, our code, and the infrastructure that supports them. We are a tight-knit team that values autonomy, trust, and innovative thinking to address complex security challenges. Our strong developer culture enhances our ability to build a product that millions depend on.In your capacity as a Senior Security Engineer, you will oversee both application and platform security initiatives. Your responsibilities will include shaping security practices, conducting security reviews, threat modeling, and managing vulnerabilities while instilling secure coding practices within our engineering teams. You will collaborate closely with product and engineering teams to ensure security is embedded in the development lifecycle from inception. Your expertise will be crucial as we expand our product capabilities and navigate new security landscapes.In this role, you willLead and enhance Sentry's security review initiatives, including secure code reviews and architecture assessments, establishing a culture where security is integrated into our operational processes.Drive effective vulnerability management practices encompassing intake, triage, prioritization, and tracking of remediation efforts, alongside managing our bug bounty and responsible disclosure program.Advocate for secure-by-design principles by partnering with engineering and product teams to embed security measures early in the development process, integrating security tools into development and CI pipelines.
Pantheon
Join Pantheon as a Senior Security Engineer and take your career to the next level by safeguarding our cutting-edge platform. In this dynamic role, you will be responsible for implementing security measures, conducting vulnerability assessments, and ensuring compliance with the latest security standards. You will work closely with cross-functional teams to enhance our security posture and protect our clients' data.
Why join usAt Brex, we are revolutionizing the way businesses manage their finances with our AI-powered spending platform. Our integrated corporate cards, banking services, and global payment solutions empower companies to spend confidently. From startups to multinational enterprises, including well-known names like DoorDash, Flexport, and Compass, our platform enables proactive spend management, cost reduction, and enhanced efficiency worldwide.Joining Brex means embracing challenges and pushing boundaries while collaborating with some of the most talented professionals in the field. We are dedicated to fostering a diverse and inclusive workplace, believing that your potential is limited only by your imagination. We provide the tools, resources, and support necessary for you to advance your career.Engineering at BrexEngineering at Brex focuses on scalability, speed, and purposeful development. Our teams, encompassing Software, Data, Security, and IT, operate with high levels of autonomy and collaboration. We tackle complex technical challenges, take ownership of our results, and strive for excellence at every stage—from architecture to deployment. This is where engineering is an art, and builders emerge as leaders.What you’ll doAs a Senior Application Security Engineer, your primary objective will be to identify and address security vulnerabilities across the Brex platform. You will conduct code reviews, design evaluations, penetration testing, and manage vulnerabilities. Additionally, you will create and enhance tools for both static and dynamic testing of the platform and support secure development workflows. Being part of the broader Financial Scale organization, you will collaborate closely with teams in Security Operations, GRC, Product Security, Front End Platform, and IT Infrastructure.We seek individuals with a robust background and passion for penetration testing. You should have a proven track record of discovering vulnerabilities in intricate systems and developing exploits to illustrate their potential impact on the business. This role is highly collaborative and cross-functional, offering opportunities to work with various engineering teams across Brex. You should be excited about engaging with diverse backgrounds and roles. Ensuring world-class security is imperative for delivering world-class financial services.Brex is at the forefront of integrating AI into financial services, catering to dynamic and high-impact organizations like Coinbase, Robinhood, and Anthropic. This role presents a unique opportunity to influence the future of our AI-driven product suite.
Why Choose Brex?At Brex, we are revolutionizing spending through our AI-driven platform. Our integrated solutions for corporate cards, banking, and payments empower businesses to manage their expenses confidently. Trusted by thousands of companies, from innovative startups to established enterprises like DoorDash and Flexport, we enable our clients to optimize spending, cut costs, and enhance efficiency on a global scale.Joining Brex means pushing boundaries, challenging norms, and collaborating with some of the brightest minds in the industry. We are dedicated to fostering a diverse team and an inclusive culture, believing that your potential is only limited by your aspirations. We provide the tools, resources, and support necessary for you to thrive in your career.Engineering at BrexOur engineering team is focused on creating scalable systems with speed and purpose. We operate across Software, Data, Security, and IT, promoting high autonomy and deep collaboration. We tackle complex technical challenges, take ownership of our results, and strive for excellence in all aspects from architecture to deployment. Here, engineering is a craft, and builders evolve into leaders.Your RoleAs a Senior Security Operations Engineer at Brex, your primary responsibility will involve preventing, detecting, and responding to security threats within our corporate and cloud environments. You will leverage existing systems and develop innovative tools to enhance our security posture. Your role encompasses various functions across corporate security, detection and response, and infrastructure security, and you will engage in systems engineering and automation to support these endeavors.Your contributions will extend to our broader Trust & IT organization, collaborating closely with teams in Application Security, Corporate Engineering, GRC, and IT to enhance security configurations, promote positive employee behaviors, and proactively prevent incidents. Additionally, you will help maintain and contribute to our open-source project Substation and have the chance to engage with the Brex Tech Blog. You will be part of a team that actively contributes to the security community and is committed to mentorship and engineering excellence.
Squarepoint Capital
Team: Information Security Position Overview: Squarepoint Capital is looking for a highly skilled Senior Information Security Engineer to join our esteemed Information Security team. In this critical role, you will contribute significantly to enhancing our security framework by offering expert insights and spearheading improvements in vital domains such as network, cloud, data, and system security. As a key escalation contact for Security Operations, you will ensure that complex security issues are thoroughly analyzed and resolved efficiently. Your responsibilities will include supervising security measures in essential IT projects, leading threat modeling efforts for intricate systems, conducting audits to identify security vulnerabilities, and developing automated processes to continuously assess the effectiveness of security controls and system resilience. This position presents an exciting opportunity to lead security initiatives and influence the overall security strategy of the organization. Proactivity and self-motivation are essential for success in this role. Enhance security across key areas, including network security, email security, cloud security, and data protection. Act as a security consultant for IT projects, ensuring compliance with security requirements and risk mitigation strategies. Manage and optimize security tools, ensuring their effective deployment and maintenance. Lead the design and development of robust security solutions and architectures to safeguard critical assets. Provide second-line support to Security Operations. Conduct threat modeling and risk assessments to uncover vulnerabilities and implement proactive mitigation strategies. Oversee relationships with the Managed Detection and Response (MDR) provider to ensure service efficacy and continuous improvement. Implement initiatives outlined in the security roadmap, aligning with business objectives and emerging threats. Collaborate with cross-functional teams to boost security awareness and integrate security into business processes.
ADGA Group Consultants Inc.
ADGA Group Consultants Inc. is seeking a Senior Software Quality Assurance Tester in Ottawa. This role centers on software testing and quality assurance for our products. Role overview The Senior Software Quality Assurance Tester works to verify the quality and performance of software solutions. This position involves designing and executing test cases, identifying issues, and collaborating with development teams to resolve defects. Key responsibilities Test software products to confirm they meet quality standards Document and report defects or inconsistencies Work with developers to address and resolve issues Requirements Experience in software testing and quality assurance Strong attention to detail and analytical skills Ability to work effectively within a team
Join Affirm as a Senior Product Security Engineer, where you will play a vital role in safeguarding our products and services against security threats. In this position, you will work closely with cross-functional teams to identify vulnerabilities, design secure systems, and implement robust security measures.Your expertise will help us not only to protect our assets but also to foster trust with our customers. If you're passionate about security and eager to make an impact in a dynamic environment, we want to hear from you!
Create Music Group
Job SummaryAs the Senior Application & Cloud Security Engineer, you will be a pivotal member of the Technology team at Create Music Group, directly reporting to the VP of Data Engineering. This position is instrumental in safeguarding our application portfolio and multi-cloud infrastructure (AWS & GCP). You will work hands-on to enhance the security of Label Engine (PHP/Laravel on AWS, processing over $1B in royalties), fortify the expanding GCP-based CreateOS data and AI platform, and implement the company's extensive security roadmap, which encompasses identity management, endpoint protection, vulnerability management, incident response, and compliance.
Docker, Inc.
Docker supports over 20 million developers each month with tools like Docker Desktop, Docker Hub, and Docker Scout. The company’s fully remote team builds secure, reliable solutions for containerized applications, emphasizing security as a core value, especially as autonomous and AI-driven workflows become more common. Role overview The Senior Security Engineer will join the Docker Desktop team to shape security architecture for a complex, cross-platform application. This product integrates identity management, OCI runtimes, and Linux kernel elements. The role leads security reviews, coordinates closely with Docker’s central security group, and acts as the main contact for vulnerability reports. What you will do Design and maintain security architecture for Docker Desktop Review features and code for security issues before deployment Work closely with product engineers and the central security team Respond to vulnerability disclosures and coordinate mitigation efforts Emphasize threat modeling and clear communication across teams Requirements Direct engineering experience in security Strong background in threat modeling Ability to communicate effectively with both engineers and security professionals Comfort working on cross-platform products involving identity, OCI runtimes, and Linux kernel internals Location This is a remote position open to candidates based in Canada.
We are seeking a Senior Security Engineer to join our team at OpenTable. This role will initially be remote, with plans to transition to a hybrid model, requiring in-office attendance twice a week in downtown Toronto.As a leader in the restaurant technology industry, OpenTable, a part of Booking Holdings, Inc. (NASDAQ: BKNG), connects millions of diners with over 60,000 restaurant partners. With more than 25 years of experience, our technology enables restaurants to thrive by focusing on their team, guests, and profitability while providing diners with a seamless booking experience.At OpenTable, every team member significantly influences our operations and culture. Join us and be part of a global team dedicated to excellence in hospitality and technology.
Later is the leading influencer marketing platform designed to empower brands in crafting unforgettable campaigns. By leveraging authentic creator relationships, reliable intelligence, and expert insights, Later eliminates uncertainty from one of marketing's most critical investments.Fueled by a robust AI-driven platform and over a decade of proprietary data—including billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases—Later equips teams with the insights needed for successful launches.Combining trusted analytics with expert guidance, Later enables brands to select the ideal creators, execute comprehensive campaigns, and achieve significant growth in awareness, engagement, and revenue. Trusted by industry giants such as Nike, Wayfair, Unilever, and Southwest Airlines, Later merges creativity with performance to ensure campaigns not only look great but also produce impactful results. Discover more at later.com.About this position:As a Senior Security Engineer at Later, you will be instrumental in fortifying and expanding the security frameworks that support our platform. This position integrates profound security knowledge with practical engineering skills, concentrating on identity and access management, authentication systems, and secure development methodologies.You will collaborate closely with Engineering, Infrastructure, and Product teams to integrate security into our CI/CD pipelines, internal platforms, and customer-facing systems, allowing teams to operate swiftly while safeguarding our systems, data, and users. This role is a high-impact position for an individual who thinks like a defender, builds like a software engineer, and leads through influence.
Robinhood Markets, Inc.
Shape the Future of Finance with Us!Our mission is to democratize finance for everyone. An estimated $124 trillion of assets will be passed down to younger generations in the coming decades, marking the largest wealth transfer in history. If you’re eager to be part of this monumental cultural and financial transformation, we want to hear from you.About Our Team and the RoleWe are assembling a top-tier team to tackle the world’s most significant financial challenges using cutting-edge technologies. We seek innovative thinkers, adept problem-solvers, and builders ready to make a substantial impact. At Robinhood, we foster an environment of high performance and ethical standards, where ambitious individuals can excel in their careers. Expectations are high, and the rewards are significant.Within Robinhood, we perceive security as a design and engineering challenge rather than a mere administrative task. We are in search of a lead architect for our next-gen automated defense systems. As a Senior Vulnerability Management Engineer, you will evolve our program into a self-scaling security platform that surpasses the conventional 'scan-and-patch' approach. You will spearhead the transition to an Intelligence-Driven Defense model, harnessing Agentic AI and Machine Learning to automate risk discovery, prioritization, and remediation at scale, ultimately streamlining security for our developers.This position is based in our office in Toronto, as outlined in this job posting. For more details about our in-office philosophy and expectations, please connect with your recruiter.
Samsara builds Connected Operations Cloud technology that supports organizations in agriculture, construction, field services, transportation, and manufacturing. The platform uses IoT data to help these industries improve safety, efficiency, and sustainability. As a public company, Samsara empowers team members to influence the future of physical operations, offering both independence and support. Role overview The Senior Security Engineer - Enterprise Security focuses on building, operating, and maintaining security infrastructure for Samsara’s corporate environment. This position collaborates with a global engineering team to develop a security engineering program that follows current best practices. What you will do Work with stakeholders to design security solutions that balance protection with usability Develop automated alerting and response tools for security events Contribute insights on potential threats in production environments Mentor and support junior engineers within the security team Requirements Experience with a range of security technologies and practices Ability to collaborate with global engineering teams Strong communication skills for partnering with stakeholders Located in Canada within the Pacific Standard Time zone This is a fully remote position based in Canada, limited to candidates within the Pacific Standard Time zone.
GitLab is a fully remote company trusted by over 50 million registered users, including more than half of the Fortune 100. The platform supports organizations in improving developer productivity, operational efficiency, and security. GitLab encourages team members to use artificial intelligence in their daily work to increase efficiency and creativity. The company values knowledge sharing and collaboration, creating an environment where careers can grow and every team member’s contributions are recognized. Learn more about GitLab’s values here and see how the team is shaping the future of software development here. Role overview The Senior Corporate Security Engineer for macOS will help secure the systems used by GitLab’s remote workforce. This position sits within the Corporate Security Engineering team and focuses on building secure-by-default controls for endpoints and the SaaS platforms that support them, with a strong emphasis on macOS devices. This role involves making technical decisions about endpoint hardening, automation, and detection. The goal is to turn security requirements into engineering solutions that are scalable, measurable, auditable, and user-friendly. What you will do Establish and maintain security controls for endpoints, especially macOS systems. Lead efforts in endpoint hardening, automation, and detection. Transform security requirements into scalable and auditable engineering systems. Collaborate with teams managing endpoint management, identity, and security operations. Work with Infrastructure-as-Code, Terraform, and GitOps workflows to manage devices across macOS, iOS, Windows, and Linux. Focus on improving endpoint security architecture, expanding automation, and increasing reliability and auditability of controls during the first year. Requirements Experience solving security challenges through code, especially for macOS environments. Ability to make significant technical decisions related to endpoint security. Comfort working in a remote, collaborative setting.
About Us:At Cohere, our mission is to enhance intelligence for the betterment of humanity. We specialize in training and deploying cutting-edge models for developers and enterprises, empowering them to create remarkable AI-driven experiences such as content generation, semantic search, retrieval-augmented generation (RAG), and intelligent agents. We believe our efforts are pivotal in advancing the widespread integration of AI.We take immense pride in our creations, and each team member plays a crucial role in enhancing our models and delivering exceptional value to our clients. Our culture is rooted in hard work and agility, always prioritizing the needs of our customers.Cohere brings together a diverse team of researchers, engineers, designers, and more, all deeply passionate about their respective fields. We recognize that a variety of perspectives is key to developing outstanding products.Join our mission to shape the future of AI!Why This Position Matters:Are you driven by a passion for secure software development? Do you aspire to be at the forefront of AI innovation while ensuring enterprise security? Join Cohere's North team as a Senior Software Engineer focused on security, and make a meaningful impact.Your Responsibilities:In this pivotal role, you will be instrumental in constructing and securing the architecture of North, our AI workspace platform. Your key responsibilities will include:Designing and deploying security features for North, our AI workspace platform.Creating autonomous agents capable of interacting securely with sensitive enterprise data.Developing minimal code that operates in low-resource environments, adhering to rigorous deployment standards.Integrating new tools to enhance the security features of North.Reinventing solutions as needed to meet stringent security and privacy requirements, sometimes necessitating the development of custom solutions.Conducting application security testing to ensure your code withstands real-world threats.Ideal Candidate Profile:5+ years of experience in software engineering with a solid emphasis on developing user-facing security features.Proficient in Python with a proven track record of deploying production-level code.Strong analytical skills and a problem-solving mindset, capable of tackling complex challenges within security frameworks.Familiarity with security testing methodologies and tools.
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