Security Engineer job opportunity at Mercor.

Home Jobs In United States Of America Tag: Engineering Security Engineer position at Mercor


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Mercor Security Engineer
Experience: General
Pattern: full-time
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Engineering

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degreeBachelor's (B.Sc.)
loacation San Francisco, United States Of America
loacation San Francisco....United States Of America

About Mercor Mercor is at the intersection of labor markets and AI research. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development. Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $2 million a day. Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our new San Francisco headquarters. About the Role As a Security Engineer at Mercor, you’ll own the responsibility of safeguarding our systems, infrastructure, and data. You’ll design and implement defenses, monitor for threats, and ensure security is integrated across the entire development and deployment lifecycle. This role is ideal for someone who thrives in fast-moving environments, can anticipate risks before they materialize, and loves building practical, scalable security systems without slowing down innovation. What You’ll Work On Designing and implementing security controls across infrastructure, applications, and networks. Monitoring for vulnerabilities, threats, and suspicious activity. Performing penetration tests, vulnerability assessments, and incident response. Embedding security practices into CI/CD pipelines and development workflows. Ensuring compliance with frameworks such as SOC 2, ISO 27001, and GDPR. Partnering with engineers to ensure security is a first-class part of system design. Researching emerging threats and implementing countermeasures proactively. What We’re Looking For Strong knowledge of security principles, tools, and best practices. Experience with SIEMs, IDS/IPS, firewalls, and vulnerability scanning. Familiarity with cloud security (AWS, GCP, or Azure). Solid understanding of encryption, authentication, and authorization systems. Proven track record of securing distributed, high-scale environments. Strong collaboration and communication skills. Ability to balance security rigor with business speed in a hyper-growth environment Why Mercor Impact: Your work powers how the world’s leading AI labs train and test their models. Learning: Get early insights into frontier model capabilities months before the market. Growth: Work on both infrastructure and research-adjacent projects with fast paths to ownership.

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