Top Senior Cyber Security Jobs in San Diego, CA

Lead complex security investigations across endpoint, identity, cloud, email, SaaS, and network environments. Own incidents through containment, remediation coordination, documentation, and post-incident review. Tune detections, queries, dashboards, workflows, and SOAR playbooks; improve SOC metrics, threat coverage, alert fidelity, and response processes. Partner on vulnerability and cloud-risk remediation, participate in global on-call rotation, use approved AI capabilities responsibly, and mentor analysts.

Provides technical leadership for enterprise AI security, designing secure AI platform architectures, vetting frameworks, identity and posture management for AI agents, and preventative security guardrails. The role requires building scalable security systems with Python, Go, or Java, managing infrastructure as code, addressing cloud and container security, mentoring engineers, and advising leadership on AI security risks.

The Senior Security Engineer architects, implements, and supports enterprise security capabilities across vulnerability management, cloud security, identity, endpoint, application security, and security architecture. The role leads security initiatives, resolves complex platform issues, develops automation and AI-assisted workflows, establishes documentation and reporting standards, and mentors security engineers and analysts while partnering across infrastructure, application, network, cloud, and security teams.

Leads the company’s information security operations and reports to the CISO. Oversees SIEM, threat detection, vulnerability management, penetration testing, incident response, SOC 2 Type II compliance, third-party risk, security awareness, cloud and endpoint security, and regulatory cybersecurity coordination. Manages security policies, breach readiness, tabletop exercises, KPIs, audits, and emerging technology evaluations while partnering with IT, infrastructure, compliance, regulators, and executive leadership.

Designs, deploys, troubleshoots, and supports enterprise network and security infrastructure, including routing, switching, firewalls, wireless, cloud networking, VPNs, and data center services. The role analyzes operational incidents, implements remediation, maintains documentation, communicates with management, supports roadmap decisions, and participates in on-call rotations. It requires extensive experience with multi-vendor network security technologies, cloud platforms, and customer-facing technical work.

Designs and integrates secure information systems, cloud, and defense architectures; leads federal NIST RMF and ATO processes; implements security controls; performs vulnerability, threat, and risk assessments; advises engineering and program teams; and manages continuous monitoring, compliance, audit, and patch-management activities.

Lead the creation and growth of a new OT/IoT cybersecurity practice, owning its P&L, offerings, pricing, partnerships, hiring, delivery quality, and go-to-market strategy. Serve as a senior technical SME and trusted advisor for client assessments, regulatory compliance, executive workshops, roadmaps, and security engagements. Shape and close consulting opportunities, develop methodologies and deliverables, manage teams, and advise organizations on ICS/SCADA, segmentation, monitoring, IT/OT convergence, and AI-related risks.

Leads technical security sales engagements through demonstrations, proofs of concept, hackathons, architecture workshops, and customer consultations. Designs secure, scalable cloud and hybrid architectures, resolves technical blockers, and advises customers on Microsoft Security solutions, including Defender and Sentinel. Develops security posture recommendations, supports XDR, zero trust, cloud security, and AI adoption strategies, while influencing technical decisions and representing Microsoft in developer communities.

Own product and infrastructure security across fintech products and cloud environments. Lead threat modeling, architecture reviews, secure code reviews, vulnerability management, bug bounty operations, CI/CD security scanning, IAM and secrets management, and security standards. Partner directly with engineering leadership to identify and remediate critical vulnerabilities across backend services, APIs, frontends, Solana programs, and infrastructure.

Assess cloud, network, infrastructure, and application designs against security and compliance requirements. Translate requirements into technical specifications, security blueprints, and engineering guardrails. Support compliance programs, control assessments, and audits, investigate security risks, define remediation, and improve security-control adoption through AI and automation.

Owns end-to-end security engineering, including risk identification, secure-by-default libraries, least-privilege guardrails, developer machine hardening, supply-chain security, and identity and authentication protections. Partners with compliance to implement effective controls for healthcare requirements such as HIPAA and HITRUST. The role requires production software engineering and security expertise, with broad autonomy in a fully remote environment.

Leads enterprise security architecture by assessing threats, performing application security assessments and threat modeling, reviewing designs, and integrating controls into SDLC and DevSecOps environments. Advises business and engineering stakeholders on secure solutions, remediates vulnerabilities, protects APIs, web applications, and cloud workloads, and improves security processes through automation and standardization.

Identify and remediate vulnerabilities across products and AWS infrastructure, respond to security incidents, close security tickets, integrate security controls into CI/CD, review code and infrastructure, support SOC 2 and CASA compliance, and strengthen access management, secrets handling, and cloud hardening.

Conduct advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Identify and exploit novel, systemic, and chained vulnerabilities; develop proof-of-concept exploits, testing methodologies, and research automation; assess AI attack vectors and open-source dependencies; drive remediation and security improvements; advise engineering teams, contribute to roadmaps, mentor researchers, and share findings with the security community.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Performs cloud security engineering across AWS and GCP, including system hardening, vulnerability remediation, compliance scanning, cloud operations, security tooling, incident response, and troubleshooting across infrastructure and identity layers. Supports FedRAMP, FISMA, and NIST 800-53 environments, participates in a 24×7 on-call rotation, maintains technical documentation, communicates with customers, and mentors junior engineers.

Designs, deploys, and manages enterprise cloud security solutions across AWS and Azure. Responsibilities include automating security controls, managing AWS WAF and CDK rules, improving policies, patching vulnerabilities, implementing DevSecOps practices, assessing cloud applications and APIs, monitoring security posture, analyzing logs, triaging issues, and supporting compliance and risk initiatives.

Architect and engineer multi-tenant SIEM, SOAR, EDR, telemetry, and cloud security platforms for managed security services. Build detection content, automate response workflows, optimize log ingestion, and secure customer connectivity. Lead technical discovery, onboarding, security assessments, remediation planning, escalations, solution design, and customer advisory engagements. Create architectures, runbooks, and documentation while shaping the MSSP technology strategy.

Engineer and operate SIEM and SOAR platforms supporting SOC and MDR services. Responsibilities include log-source onboarding, parsing, enrichment, detection engineering, playbook automation, alert and dashboard development, end-to-end pipeline troubleshooting, vendor escalations, customer onboarding, ingest-volume management, documentation, and platform incident response. The role serves as the technical escalation point and participates in an after-hours on-call rotation.

Leads enterprise identity and access management initiatives, serving as a technical SME for Epic Security, SailPoint, Okta, Entra ID, and Active Directory. Develops RBAC models, provisioning workflows, identity lifecycle processes, and governance controls; remediates excessive access; supports audits, risk assessments, automation, and incident response. Partners with technical and business stakeholders, mentors junior analysts, handles escalations, and participates in a 24/7 on-call rotation.

Manage complex identity, access, provisioning, and Epic Security activities for a healthcare client. Administer SailPoint, Okta, Microsoft Entra ID, Active Directory, RBAC, lifecycle management, and access governance. Troubleshoot security issues, evaluate access risks, support audits and remediation, contribute to automation and implementations, and advise stakeholders as a subject matter expert. Participate in a 24/7 on-call rotation and provide technical guidance to other analysts.

Leads regional enterprise security sales by serving as a cloud security expert, shaping opportunities, advising account teams, managing executive relationships, and orchestrating technical teams and partners. Conducts architecture reviews, demos, proof-of-concepts, pilots, ROI/TCO analyses, and consultative engagements to promote Microsoft security solutions, Zero Trust adoption, and customer business outcomes.

Conduct manual penetration tests and secure code reviews across web applications, APIs, AWS infrastructure, and AI systems. Develop AI-assisted security tooling, test LLM applications and agents, triage SAST findings, tune detection rules, support security reviews before production, and communicate risks and remediation priorities to engineering teams.

Provides security engineering and architecture expertise for FedRAMP Cloud Service Provider assessments. Reviews full-stack architectures, authorization packages, security controls, policies, assessment reports, vulnerability scans, and penetration tests for compliance with FedRAMP, NIST, FISMA, RMF, and agency requirements. Leads vendor interviews, identifies technical and documentation gaps, supports continuous monitoring, advises government program leaders and CISOs, and provides security recommendations for cloud systems.

Build, secure, automate, and operate AWS and Kubernetes infrastructure while supporting HIPAA and SOC 2 compliance. Responsibilities include Terraform development, CI/CD security, IAM, vulnerability management, observability, SIEM integrations, incident response, infrastructure hardening, scripting, technical documentation, and cross-functional automation. The role also participates in on-call coverage and evaluates new security and infrastructure tools.