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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.
Job Responsibility:
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
Requirements:
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
What we offer:
Offers Equity
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