Staff Security Engineer - Defensive Cyber Engineering

Who are we?At Cohere, our mission is to harness the power of intelligence for the benefit of humanity. We specialize in training and deploying cutting-edge models for developers and enterprises, enabling them to create innovative AI systems that deliver extraordinary experiences in content generation, semantic search, retrieval-augmented generation (RAG), and intelligent agents. Our endeavors are pivotal in accelerating the global adoption of AI technologies.We are dedicated to excellence in our craft. Each team member plays an essential role in enhancing the capabilities of our models and the value they provide to our clients. Our culture is built on hard work, rapid iteration, and a relentless focus on what is best for our customers.Cohere is comprised of a diverse team of researchers, engineers, designers, and more—each a leader in their field. We believe that diverse perspectives are crucial for creating exceptional products.Join us in our quest to shape the future of AI!About the RoleAre you passionate about secure software engineering? Do you aspire to be at the forefront of AI innovation and security? Our North team at Cohere is on the lookout for a Senior Software Engineer focusing on security to join us in our mission and make a substantial impact. This is not merely an advisory position; you will take ownership of and deliver production-level security features that our clients rely upon daily.Your Role:As a Senior Software Engineer with a specialization in security, your contributions will be vital in architecting and securing North's infrastructure. Your responsibilities will encompass:Software Development: Actively participate in the core development of security features like OIDC/OAuth flows and session management, ensuring the security of North's AI agents.Secure Coding: Write robust code to manage OIDC tokens, user claims, and sensitive information, following best practices for JWT validation and encryption.Authentication and Data Protection: Implement authentication protocols, including user login, token management, and authorization checks to safeguard data integrity.Tool Integration: Integrate new security tools to enhance North's capabilities.DevSecOps: Design and execute secret management in Kubernetes clusters, focusing on encryption and role-based access control (RBAC).Cross-functional Collaboration: Utilize strong communication skills to convey security best practices to stakeholders clearly and effectively.You may be a great fit if:You have 5+ years of experience in building secure software applications.You possess a deep understanding of security protocols and practices.You are proficient in coding languages and frameworks relevant to security development.You have a track record of successful collaboration in cross-functional teams.

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.

Discover OktaAt Okta, we are revolutionizing identity management. Our mission is to enable individuals to securely utilize any technology, anytime, on any device or application. Through our versatile Okta Platform and Auth0 Platform, we deliver secure access, authentication, and automation, placing identity at the forefront of business security and growth.We value diverse perspectives and experiences at Okta. We're not just seeking candidates who meet every requirement; instead, we are looking for lifelong learners who can enrich our team with their unique insights.Join us in creating a world where identity is in your hands.The TeamOur Workforce Identity Cloud Security Engineering group is at the cutting edge of innovation, turning visionary ideas into top-notch security software solutions that support large-scale, mission-critical applications. Our security engineering team possesses a unique skill set that merges security expertise with the ability to design, implement, and deploy security features seamlessly, enhancing product functionality without hindrance. We are committed to elevating customer safety and privacy through robust security services integrated with the Okta core product.The RoleWe are in search of a seasoned and enthusiastic Staff Software Security Engineer to join our Workforce Identity Cloud Security Engineering group. This role focuses on architecting and developing security solutions that strengthen our frameworks and infrastructure. You will be encouraged to implement defense-in-depth strategies, adhere to industry security standards, and uphold the principle of least privilege, thereby enhancing our security posture.This high-impact position is set within a security-focused, dynamic organization that is on the brink of significant growth and achievement. You will serve as a key liaison between the Security and Engineering teams, forging technical synergies and shaping the security roadmap. Your efforts will concentrate on enhancing security and privacy aspects across our services, executing on a weekly release schedule. You will have the autonomy to propose exciting new projects for our roadmap and engage in initiatives utilizing cutting-edge technologies. Join us and contribute to transforming the cloud computing landscape.What You Will DoCollaborate with engineering and security teams to define innovative security roadmap requirements.Advocate security best practices and promote secure coding methodologies.

Join our dynamic team at Opendoor as a Software Engineer in Security Engineering. In this pivotal role, you will be responsible for designing, implementing, and maintaining robust security systems to protect our platform and user data. You will collaborate with cross-functional teams to identify vulnerabilities and develop effective security measures. If you are passionate about software development and cybersecurity, we want to hear from you!

About the Role MongoDB is looking for a Senior Software Engineer to join the Server Security team in Toronto. This group sits at the heart of MongoDB’s engineering organization, building security features that help users protect their data worldwide. The work spans core elements of the MongoDB database, with a focus on security, reliability, and performance. What You Will Work On Cryptography: Develop and maintain cryptographic features such as Queryable Encryption, at-rest encryption, and other foundational crypto components. Identity & Access: Design and improve authentication and authorization systems, manage TLS, and handle X.509 certificate processes. Network Security: Build high-performance networking protocols using PKI, hashing, and certificate revocation lists (CRLs). System Integrity: Strengthen resilience, observability, and compliance across MongoDB’s distributed database infrastructure. Team Culture The Server Security team values inclusivity, diversity, and close collaboration. Engineers here apply distributed systems concepts to advance the security of a widely used database platform. The work supports application developers, system architects, and database administrators around the globe.

Join our innovative team as a Senior Sales Engineer specializing in Data & AI Security. In this dynamic role, you will leverage your technical expertise and sales acumen to provide cutting-edge solutions to our clients. You will work closely with our sales team to drive growth and enhance customer satisfaction by demonstrating the value of our advanced data protection and AI-driven security technologies.As a key player in our organization, you will engage with clients to understand their needs, deliver tailored presentations, and provide hands-on support during the implementation of our solutions. Your ability to communicate complex technical concepts to non-technical stakeholders will be crucial in helping our clients realize the full potential of our offerings.

Join Movable Ink as a Product Security Engineer and play a pivotal role in safeguarding our codebases, CI/CD pipelines, and overall development practices. In this hands-on position, you'll adopt a security-first mindset while collaborating with engineering teams to streamline software delivery while minimizing risk. Your expertise will be crucial in enhancing automation processes that protect our code and infrastructure, especially in the face of rising threats from AI coding tools and supply chain attacks. This role is vital for proactively identifying and mitigating vulnerabilities before they are deployed to production.

Join Homebase as a Staff Security Engineer specializing in Application Security in a hybrid work environment. In this pivotal role, you will be responsible for enhancing our security posture while ensuring that our applications remain safe and secure. You will collaborate with cross-functional teams to identify vulnerabilities, implement security controls, and promote best practices in application development.We seek a proactive individual who is passionate about cybersecurity and eager to contribute to building robust security solutions. You will play a key role in shaping the security framework of our applications.

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.

Join Marqeta as an Identity Security Engineering Intern and immerse yourself in the world of Identity and Access Management (IAM) within dynamic cloud-native environments. In this role, you will actively support the team in executing innovative identity strategies that ensure secure access across all Marqeta systems and services, entirely hosted in the cloud with zero data-center footprint. Embrace our Flexible First approach: this position can be performed remotely from anywhere within Ontario or British Columbia, Canada. We are excited to welcome you on board! This internship will span 12 weeks, starting on June 1st and concluding on August 21st, 2026. Please note that this internship is not for an existing vacancy.

WHO WE AREFounded in New York City, Take-Two Interactive Software, Inc. stands as a premier developer, publisher, and marketer of interactive entertainment, captivating consumers worldwide. Our diverse portfolio includes renowned brands such as Rockstar Games, 2K, and Zynga, delivering outstanding products across console gaming systems, PCs, and mobile devices, accessible through various channels including physical retail, digital downloads, online platforms, and cloud streaming services. As a publicly traded company on NASDAQ under the symbol TTWO, we pride ourselves on our dynamic workplace that fosters creativity, innovation, and efficiency while offering ample opportunities for individual and team growth.Our work environment—whether in-office or remote—embraces a casual and welcoming atmosphere. We believe in balancing hard work with enjoyment, making it a rewarding place to pursue your passions daily.

WHO WE ARE Take-Two Interactive Software, Inc., headquartered in the vibrant city of New York, is a premier developer, publisher, and marketer of interactive entertainment, captivating audiences worldwide. With iconic brands such as Rockstar Games, 2K, and Zynga under our umbrella, we are driven by a passion for creating unforgettable entertainment experiences. Our commitment to creativity, innovation, and efficiency is at the core of our operations, enabling us to deliver high-quality products across various platforms. For more details about our company and offerings, visit http://www.take2games.com. Our workplace, whether physical or virtual, fosters a casual yet inspiring environment. We are dedicated to individual and team development, providing opportunities for continuous learning in a fast-paced and evolving industry. While we work diligently, we also value enjoyment and believe in creating a workplace where you can pursue your passions every day. THE CHALLENGE We are seeking a dynamic Lead Security Operations Engineer to spearhead the design, implementation, and management of our Security Orchestration, Automation, and Response (SOAR) platform. As the technical leader in this role, you will enhance our security automation capabilities, leveraging an array of technologies including security tools, APIs, and cloud services to optimize our security operations and elevate our incident response effectiveness. Your expertise will play a critical role in protecting Take-Two and its affiliated systems, networks, and data. In this position, you will collaborate closely with Take-Two's Information Security teams, reporting directly to the Director of Security Operations Engineering. WHAT YOU’LL TAKE ON SOAR Platform Management: Lead the design, development, and maintenance of SOAR playbooks, workflows, and integrations with various security tools. Automation and Optimization: Identify and implement automation improvements to enhance the speed and precision of our security operations and incident responses. Technical Leadership: Serve as a domain expert for SOAR, providing technical guidance, mentorship, and support to the security team. Collaboration and Strategy: Partner with other security teams to develop strategies that enhance our overall security posture.

Join us in revolutionizing the financial landscape.Our goal is to make finance accessible to everyone. An estimated $124 trillion in assets will be passed down to younger generations over the next two decades, marking the largest wealth transfer in history. If you're eager to be at the forefront of this monumental cultural and financial evolution, we invite you to explore this opportunity further.About the Team and RoleWe are assembling a premier team dedicated to leveraging cutting-edge technology to tackle the most pressing issues in finance. We seek innovative thinkers, adept problem-solvers, and proactive builders who are motivated to make a meaningful impact. At Robinhood, complacency is not an option; it’s a place where driven individuals can produce their finest work. Our team operates with high standards and an unwavering commitment to ethics.The mission of our Red Team is to proactively identify and emulate real-world cybersecurity threats against Robinhood’s platforms and personnel. Through red teaming and adversarial simulations, we assess security measures, uncover vulnerabilities, and work closely with Detection & Response, Physical Security, and Engineering to enhance our overall security posture.As a Senior Offensive Security Engineer, you will play a vital role in designing and executing covert adversarial simulations to validate our security assumptions and expose gaps in our detection and response capabilities. You will utilize threat modeling, penetration testing, and research-driven techniques to mimic sophisticated attacks while collaborating across teams to enhance our defenses and develop more secure systems.This position is based in our Toronto, Canada office, with in-person attendance required at least three days a week.At Robinhood, we champion the benefits of in-person collaboration to accelerate innovation and foster community. Our office environment is purposefully designed to energize and support high-performing teams.

As a Senior Security Operations Engineer at Cohere, you will play a pivotal role in safeguarding our digital infrastructure. You will be responsible for identifying vulnerabilities, responding to incidents, and implementing security measures to protect our assets. Your expertise will contribute to enhancing our overall security posture and ensuring compliance with industry standards.

WHO WE ARE Located in the heart of New York City, Take-Two Interactive Software, Inc. stands as a premier developer, publisher, and marketer of interactive entertainment, captivating audiences worldwide. Our portfolio includes distinguished brands such as Rockstar Games, 2K, and Zynga. Our mission revolves around crafting unforgettable entertainment experiences across all platforms, employing diverse business models to resonate with our audience. Guided by our core values of creativity, innovation, and efficiency, we strive to deliver superior quality and engaging experiences to our consumers. For further details about our corporate ethos and offerings, please visit our website at http://www.take2games.com. Our work environment—both physical and virtual—is designed to be relaxed and welcoming. We prioritize creativity, innovation, and efficiency, complemented by opportunities for individual and team development. As the industry continues to evolve rapidly, we offer numerous avenues for learning and skill enhancement. We are committed to hard work while ensuring that our workplace remains enjoyable, making it a fantastic place to pursue your passions daily. THE CHALLENGE We are in search of a Lead Security Operations Engineer to spearhead the design, implementation, and management of our Security Orchestration, Automation, and Response (SOAR) platform. In this pivotal role, you will serve as the technical authority responsible for enhancing our security automation capabilities. By leveraging a wide array of technologies—including security tools, APIs, and cloud services—you will optimize our security operations and elevate our incident response efficiency. Your expertise will be instrumental in protecting Take-Two and its subsidiaries’ systems, networks, and data. You will collaborate closely with Take-Two's Information Security teams and report directly to the Director of Security Operations Engineering. WHAT YOU’LL TAKE ON SOAR Platform Management: Lead the design, development, and upkeep of SOAR playbooks, workflows, and integrations with various security tools. Automation and Optimization: Identify and drive automation initiatives to enhance the speed and precision of security operations and incident responses. Technical Leadership: Serve as a domain expert for SOAR, providing technical guidance, mentorship, and support to the security team. Collaboration and Strategy: Partner with other security teams to develop and implement comprehensive security strategies.

7shifts is looking for a Senior Cloud Security Engineer based in Toronto, ON. The main focus of this role is to enhance the security of cloud environments and safeguard sensitive company data. Role overview This position involves working closely with various teams throughout the organization. The Senior Cloud Security Engineer will help design and implement security measures that align with compliance requirements and protect core infrastructure from cyber threats. Key responsibilities Strengthen the security of cloud platforms and services Protect sensitive data within the organization’s cloud environments Collaborate with internal teams to develop and apply security controls Support compliance initiatives and defend against cyber risks

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.

About Future Secure AI Future Secure AI develops artificial intelligence solutions for real-world business challenges. The company’s technology supports teams across industries, emphasizing bold thinking, rigor, and curiosity. BRAVER values shape both the work and team culture, encouraging open communication and making space for every voice. Leadership maintains an open-door policy and supports individual growth as the company advances AI together. Role Overview: Senior AI Engineer – Software Development Senior AI Engineers (Software) at Future Secure AI lead customer-facing projects and collaborate with both client and partner technical teams. The role also works closely with internal groups to refine and improve technology solutions. Responsibilities span hands-on coding and aligning technical work with broader business and product strategies. Strong organizational skills and a drive to advance AI technology are essential. Locations Austin, TX New York, NY Toronto, CAN

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.