Top Senior Cyber Security Jobs in San Diego, CA

Pre-sales technical lead supporting enterprise accounts in Southern California and Hawaii. Conduct demos, proof-of-value, onsite engagements, RFP responses, and enable channel partners. Drive adoption of Sophos MDR, XDR, firewall, endpoint, email, cloud and advisory services, influence product direction, and collaborate with sales to expand accounts and win new logos using Salesforce and Vivun.

The Cybersecurity Manager monitors security tools, manages vulnerabilities, leads threat hunting, and integrates AI into cybersecurity operations while supporting incident response and regulatory compliance efforts.

The Senior Internal IT Auditor conducts IT audits, ensures internal controls, manages risk, and improves processes across the company.

The Infrastructure & Security Engineer is responsible for security architecture and compliance, managing identity, secrets, and trust boundaries in manufacturing software across various environments. Duties include driving FedRAMP and ITAR readiness, defining compliance topology, and influencing architectural decisions. Collaboration with cloud infrastructure and devops teams is key to ensuring security and operability.

Lead end-to-end third-party risk management across vendor lifecycle, review vendor security evidence and contracts, assess supply-chain and AI vendor risks, ensure consistent scoring and escalation, and support enterprise risk register operations and executive reporting.

Serve as an ISSE supporting RMF and A&A for DoD/DON systems: manage RMF steps, perform vulnerability and risk assessments, maintain eMASS and VRAM artifacts, coordinate authorization schedules, support ACAS/IAVM activities, develop cybersecurity policies and authorization packages, and liaise with program leadership and engineering teams to ensure continuous compliance and authorization readiness.

Lead the company's cybersecurity and IT programs to meet DoD and government requirements. Manage compliance with NIST 800-171 and CMMC, produce SSPs/POA&Ms, coordinate audits and incident response, oversee MSP performance, manage IT assets and certificates, and partner with leadership on IT roadmap and infrastructure to support growth.