Offensive Security Engineer

Join Replit as an Offensive Security Engineer, where you'll play a critical role in enhancing our security posture. Your expertise will help identify vulnerabilities and mitigate risks while working collaboratively with cross-functional teams to foster a culture of security-first practices.

Replit, Inc. seeks a Product Security Engineer for its Product Security Incident Response Team (PSIRT) in Foster City, CA. This hybrid position requires in-office work on Mondays, Wednesdays, and Fridays. Key responsibilities Identify and assess vulnerabilities within Replit products. Respond to product security incidents as a PSIRT member. Conduct security assessments and reviews for both new and existing features. Collaborate with developers to embed security practices into the software development lifecycle. Advise teams on secure coding and help strengthen security awareness throughout the organization. Collaboration and impact This role works closely with engineers, product managers, and other cross-functional partners to address security concerns and refine processes. The focus is on keeping Replit’s products secure and resilient as new threats emerge.

Join Zoox as a Staff AWS Cloud Security Engineer, where you will play a pivotal role in safeguarding our cloud infrastructure. Collaborate with cross-functional teams to design and implement robust security solutions, ensuring the integrity and confidentiality of our systems.

Replit seeks a Staff Software Engineer focused on Anti-Abuse & Security for its Foster City, CA office. This hybrid position requires working onsite three days a week: Monday, Wednesday, and Friday. Key responsibilities Design and build security features that protect users and reinforce the integrity of the Replit platform. Create and maintain systems to identify and prevent abuse across company products. Work closely with engineering and product teams to ensure safer experiences for all users. Advise on technical decisions and contribute expertise in security best practices. Work location This role is based in Foster City, CA, with a hybrid schedule requiring in-office presence on Mondays, Wednesdays, and Fridays.

At Replit, we are revolutionizing the world of software development with our innovative platform that empowers individuals to create applications using natural language. With a thriving community of millions of users and over 500,000 businesses leveraging our technology, we are committed to breaking down traditional barriers and democratizing coding for everyone.About the PositionJoin our dedicated Anti-Abuse team as we protect Replit’s platform from exploitation and misuse. In this role, you will be at the forefront of defending against phishing attacks, preventing cryptomining on our free-tier infrastructure, and stopping LLM token farming. You will be tasked with developing advanced detection systems and automated responses that keep pace with ever-evolving threats. This position is unique in that you will tackle challenges that are often unprecedented, such as establishing safety measures for AI-generated code and implementing defenses against prompt injection attacks. If you are eager to gain hands-on experience applying AI in real-world security challenges, this is the ideal opportunity for you.Your ResponsibilitiesDesign and implement protective measures for AI-generated code and agent interactions to detect abuse scenarios.Develop AI-driven detection systems utilizing LLMs to identify malicious activities, classify threats, and automate responses.Create and maintain abuse detection systems for phishing, cryptomining, account takeovers, and financial fraud across millions of user actions daily.Design automated response mechanisms that enforce platform policies seamlessly.Oversee the entire abuse response lifecycle, including detection, investigation, enforcement, and appeal management in collaboration with Support and Legal teams.Analyze attack patterns using BigQuery and Hex to translate findings into new detection rules.Enhance and maintain internal detection tools (Slurper, Netwatch) that consistently monitor user activity.Integrate and fine-tune security scanners (SAST, SCA) within CI pipelines, ensuring adherence to stringent performance SLAs.Monitor abuse trends, assess detection effectiveness, and adapt defenses as attack patterns evolve.

As a pivotal member of Zoox, the Senior Manager of Physical Security will report directly to the General Counsel and VP of Legal, EHS, and Security. This leadership position is crucial for the design and execution of comprehensive physical security initiatives aimed at safeguarding Zoox's personnel and assets. The ideal candidate will act as the primary liaison for all physical security programs within the company, overseeing areas such as physical security operations, risk management, incident response, insider threat coordination, investigations, workplace violence prevention, event security, executive protection, and fleet security.

At Replit, we empower every individual to create software effortlessly through our innovative agentic platform. With a vibrant community comprising millions of users globally, including over 500,000 businesses, we are revolutionizing software development by breaking down traditional barriers.We are on the lookout for a Security Operations Center (SOC) Engineer to join our dynamic Security Operations team. Your mission will be to safeguard our fast-paced, cloud-native AI programming platform. You'll be at the forefront of identifying emerging threats—from 0-day vulnerabilities and active exploitation campaigns to bug bounty findings and customer-reported issues—quickly assessing their relevance and potential impact on Replit. You will lead investigations, analyze signals throughout our environment, and collaborate with Security, SRE, and Engineering teams to develop and implement effective containment and mitigation strategies.This position is hands-on and investigative, requiring a solid technical foundation, a deep understanding of modern software engineering practices, CI/CD systems, and a familiarity with cloud-native infrastructures, particularly Google Cloud Platform (GCP). You will thrive in a fast-paced environment and work seamlessly across various teams.

Join Zoox as a Senior/Staff Program Manager in the realm of Information Security, where your expertise will help safeguard our innovative technology and infrastructure. In this pivotal role, you will be responsible for leading cross-functional teams, managing complex security programs, and ensuring compliance with industry standards. Your strategic insights will play a key role in enhancing our security posture and driving initiatives that protect our customers and data.

Join our innovative team as a Senior / Staff 3D Engine Software Engineer - Simulation at Zoox. You will play a pivotal role in developing state-of-the-art 3D engine technology, contributing to groundbreaking simulation projects that enhance the capabilities of our autonomous vehicles.

Join ALTEN Technology USA, an innovative engineering firm dedicated to transforming revolutionary concepts into reality. Our expertise spans across diverse sectors such as aerospace, medical devices, robotics, automotive, commercial vehicles, electric vehicles, and rail. With a robust team of over 3,000 specialists in North America, we collaborate with industry leaders to push the boundaries of technology.As a proud member of the global ALTEN Group, comprising more than 57,000 engineers across 30 countries, we handle every aspect of the product development lifecycle—from consulting to comprehensive project outsourcing.At ALTEN Technology USA, you will tackle some of the most pressing engineering challenges in the world while enjoying a culture that values mentorship, career advancement, and a supportive environment. We are committed to empowering our employees to reach their full potential.Brake Performance EngineerIn this pivotal position, you will:Enhance brake performance and comfort.Test and optimize the interaction between braking systems and drivetrain actuators.Establish and monitor performance metrics and targets at the vehicle level.Translate requirements to systems and components effectively.Innovate and refine testing methodologies to boost accuracy and efficiency.Contribute to simulation development aimed at forecasting vehicle performance.

Zoox seeks a Manufacturing Test Engineer to join the team onsite in Foster City, CA. This position centers on supporting the production of advanced robotics systems by developing and executing manufacturing test processes. The goal is to help ensure reliable hardware production and maintain high quality standards. What you will do Create and apply test procedures for robotics hardware during manufacturing Work closely with engineering and production teams to uphold product quality Identify and resolve issues that come up during manufacturing testing Requirements Attention to detail and a strong interest in technology Background in manufacturing test processes is preferred This role requires working onsite at the Foster City, CA location.

Join Replit, the innovative platform transforming software development into an accessible journey for everyone. With millions of users globally and over 500,000 businesses relying on our technology, we are pioneering a new era of application creation through natural language and intuitive interfaces.Position OverviewWe are seeking an accomplished Lead Security Architect to become the cornerstone of our security architecture strategy. In this influential Technical Lead role, you will guide a dedicated team of security architects and engineers, ensuring our platform is inherently secure and resilient. As a

ALTEN Technology USA supports clients in fields such as aerospace, medical devices, robotics, automotive, commercial vehicles, electric vehicles, and rail. As part of the global ALTEN Group, the company brings together more than 3,000 specialists in North America and over 57,000 engineers worldwide. The team covers the full spectrum of product development, from consulting to project outsourcing. Engineers at ALTEN Technology USA collaborate with leading organizations to address complex engineering problems. Mentorship, career development, and a comprehensive benefits package are part of the company’s commitment to supporting each employee’s growth. Role overview The Test Support Engineer position centers on hardware testing at manufacturing lines and service sites for a major client. Responsibilities span compute and sensor units, vehicle systems, and service operations. The role is based in California and involves rotating between Foster City, Fremont, and Hayward, with travel to these Bay Area locations as needed and with notice. What you will do Test and validate hardware components and systems across various projects. Troubleshoot and debug technical issues to support scaling objectives. Work across electronics manufacturing and software domains, including tasks such as firmware flashing, networking, Python script debugging, and using Linux environments. Switch between component-level and system-level testing depending on project needs. Manage schedules and meet deadlines while working independently. Who succeeds in this role Engineers who are adaptable and comfortable with both hardware and software testing. Individuals who enjoy troubleshooting and solving problems across technical domains. People who are curious, enthusiastic, and eager to learn new technologies. Those able to work independently and manage shifting priorities. Location and travel Primary locations include Foster City, Fremont, and Hayward, California, with rotation as needed. Travel to Bay Area sites is required and scheduled in advance.

Join Zoox as a Technical Service Data Engineer, where you will play a crucial role in translating intricate engineering specifications and 3D CAD data into precise repair procedures within our ERP system. Your expertise will serve as the vital link between Design Engineering and the Shop Floor, ensuring that every detail—from bolts to torque values and Joint IDs—is meticulously documented throughout the engineering change lifecycle.Key Responsibilities:ERP Tasklist Authoring: Develop and maintain comprehensive repair 'Tasklists' in the ERP system, mapping specific Part Numbers, Joint IDs, and essential assembly values such as torque and sequence.CAD Data Extraction: Utilize CATIA to navigate complex assemblies, identify components, and verify spatial requirements for repairs, analyzing the 3D environment to determine necessary removals or replacements.Change Management (CM): Serve as the Data Agent for Engineering Change Orders (ECOs), assessing the impact of design shifts on existing repair procedures and manually updating the ERP to reflect the latest data.Technical Documentation: Convert engineering jargon into clear, logical repair steps, akin to a Technical Writer, but with a deep understanding of mechanical repair.

Replit is a pioneering software creation platform that empowers individuals to build applications effortlessly using natural language. With millions of users globally and over 500,000 business clients, Replit is revolutionizing software development by dismantling traditional barriers to application creation.About the RoleWe are on the lookout for a skilled, analytical Growth Engineer to help propel our product's scaling efforts and elevate essential user metrics across acquisition, activation, retention, and monetization. Growth Engineering is a unique fusion of engineering, product management, and marketing—utilizing code, experimentation, and analytical insights to uncover opportunities that yield measurable results.What You’ll DoExperimentation & OptimizationDesign, implement, and analyze rapid A/B and multivariate experiments to validate hypotheses and enhance critical KPIs.Identify obstacles within user funnels and devise technical solutions to boost conversion rates throughout the user journey.Growth Feature DevelopmentCreate growth-driven product features such as onboarding experiences, referral systems, and automated engagement processes.Develop scalable code and infrastructure that underpins growth initiatives and experimentation frameworks.Data-Driven InsightsCollaborate with data teams to implement tracking, build insightful dashboards, and extract actionable insights from user behavior data.Utilize SQL and various analytics tools to conduct in-depth analyses of cohorts, engagement metrics, and experimental outcomes.Cross-Functional TeamworkWork closely with product managers, designers, marketers, and data scientists to align growth objectives and execution strategies.Translate business objectives into technical specifications and implement practical solutions that foster sustainable growth.Continuous Learning & InnovationStay informed about industry advancements and growth-related technologies, proposing new strategies to catalyze growth.Automate repetitive tasks and develop internal tools to facilitate faster experimentation.

Join Zoox as a passionate and skilled Endpoint Engineering Manager to lead our innovative Endpoint Engineering team, also recognized as Client Platform Engineering. In this crucial position, you will be responsible for the design, implementation, and management of desktop environments across Windows, macOS, and Ubuntu platforms using advanced central management tools. Your leadership will ensure peak performance, robust security, and an exceptional user experience. You will oversee a talented team of six engineers, including specialists in Virtual Desktop Infrastructure (VDI), and play an instrumental role in enhancing employee satisfaction and productivity throughout the organization.

Join Zoox as a Firmware Validation Engineer, where you will play a crucial role in validating firmware functionality at the component, subsystem, and system levels. Your expertise will ensure that features operate reliably within our advanced vehicle platform. You will conduct rigorous testing of embedded applications, control logic, and feature integrations across hardware interfaces, sensors, and actuators to confirm compliance with functional, performance, and safety standards. Your contributions will significantly enhance the quality and readiness of customer-facing features by identifying issues early, bolstering integration stability, and facilitating the smooth delivery of these features to internal stakeholders. Collaborate closely with firmware developers, systems engineers, and cross-functional teams to deliver robust and reliable features to production.

At Zoox, we are revolutionizing urban mobility through the development of fully autonomous vehicles and the comprehensive ecosystem needed for large-scale market implementation. Positioned at the convergence of robotics, machine learning, and innovative design, our mission is to redefine mobility-as-a-service in urban landscapes. We are committed to ensuring that the transition to self-driving vehicles is marked by visionary thinking and flawless execution.As a Senior Closures Engineer, you will play a pivotal role as the technical cornerstone of our Closures team, effectively linking overarching vehicle architecture with intricate component design. Your expertise will be essential in guiding the technical advancement of our closure subsystems, addressing distinctive challenges related to high-duty cycle reliability and seamless sensor integration. This position is designed for an industry veteran who has experience navigating the entire lifecycle of vehicle programs, from conceptualization to production, and possesses profound knowledge in mechanisms, sealing, and structural integration.

Join our innovative team at Jobs for Humanity as an Electrical Hardware Engineer! We are seeking a talented and motivated individual to design and develop cutting-edge electrical hardware solutions. Collaborate with cross-functional teams to ensure the highest quality standards in the development process. If you are passionate about technology and eager to make a difference, we want to hear from you!

Join Zoox as a Site Reliability Engineer, where you will play a pivotal role in ensuring the reliability and performance of our cutting-edge autonomous vehicle systems. You will collaborate closely with software engineers to enhance our production systems and contribute to the development of tools and processes that promote a culture of reliability across the organization.