Senior Cybersecurity Engineer

The Altos Security team is looking for a highly collaborative Senior Engineer to join our team to help enhance and extend our human-focused security program. You will work directly with scientists, engineers, and IT staff to enable a hyper‑collaborative environment supporting world‑class research and development programs. You will build modern, scalable security capabilities that protect sensitive scientific data and AI/ML workloads, improve our readiness to handle security incidents, and strengthen threat detection, response, and data protection across cloud and on‑prem environments. Responsibilities Develop security controls that can enable scientists and researchers while protecting sensitive data (intellectual property, regulated data, experimental datasets). Perform threat modeling and risk assessments for applications, infrastructure, AI/ML systems, and lab/OT environments; translate findings into pragmatic controls and roadmaps. Leverage DevOps principles and Infrastructure as Code techniques to scale security systems and controls. Build automations and integrations (SOAR) around tools, processes, and systems to facilitate ongoing operations, reduce toil, and improve response times. Manage Incident Response – prepare playbooks, perform triage, investigation, and remediation; coordinate cross‑functional response; conduct forensic analysis; run tabletop exercises and after‑action reviews; continuously improve detection and response. Secure AI solutions from threats to data security, integrity, and misuse; implement model and prompt safety guardrails; evaluate enterprise and third‑party AI tools; contribute to AI usage policies and governance. Act as a security subject‑matter expert – educating, training, and mentoring others. Minimum Qualifications 7 years of experience in the technology space (at least 5 with a security focus). Comfortable collaborating with engineers, scientists, legal/compliance, and IT professionals. Proficient in on‑premises and cloud security engineering, including Infrastructure as Code solutions; skilled in code security, secrets management, vulnerability scanning, and detection engineering. Experience performing application and/or infrastructure design reviews to identify improvement areas and recommend appropriate security controls, with follow‑through to implementation. Expertise in managing security incidents, conducting detailed analysis of security events, and overseeing sensitive investigations related to cyber activities. Bachelor’s degree in Computer Science, Cybersecurity, or a related field. Ability to work without supervision and manage competing priorities. Preferred Qualifications Experience working in a compliance‑oriented environment (healthcare, government, fintech, ISO, SOC, PCI, etc.). Information security certifications (CISSP, GIAC, etc.). Experience with AI risk assessment, red teaming of AI/LLM systems, and defenses against prompt injection, data exfiltration, and excessive agency. Salary Range Senior Cybersecurity Engineer – Redwood City, CA: $169,700 – $217,500. Staff Cybersecurity Engineer – Redwood City, CA: $196,800 – $252,300. Senior Cybersecurity Engineer – San Diego, CA: $141,400 – $181,300. Staff Cybersecurity Engineer – San Diego, CA: $169,700 – $217,500. Exact compensation may vary based on skills, experience, and location. Equal Opportunity Employment Altos Labs provides equal employment opportunities to all employees and applicants for employment, without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Altos prohibits unlawful discrimination and harassment. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. #J-18808-Ljbffr