Top Cyber Security Jobs in San Diego, CA

Partner with sales teams to design and deliver technical demonstrations and evaluations for data security solutions. Gather requirements, configure custom product setups, lead hands-on evaluations, and guide customers to successful outcomes in strategic enterprise opportunities.

Lead design and implementation of secure-by-default infrastructure: build IaC modules, CI/CD templates, policy-as-code guardrails, and platform security tooling. Embed pipeline and supply-chain security, enforce least-privilege identity, operate defenses as self-service products, review high-risk designs, and set technical direction while mentoring engineers.

Own and execute sales strategies for Southern California, managing full enterprise sales cycles from prospecting through POVs and closing. Collaborate with CSMs and SEs to drive renewals and upsells, inform product and GTM teams, and maintain accurate sales data while staying current on access management and competitive trends.

Lead assessment and mitigation of security risks in the virtualization stack. Build threat models, rubrics, and defenses; partner with kernel, virtualization, and provisioning teams to design and implement mitigations; mentor engineers, manage vulnerability backlog, and promote security best practices across product teams.

Design, implement, and maintain scalable cloud security controls for Vercel's platform. Harden infrastructure using infrastructure-as-code and policy enforcement, secure CI/CD pipelines, perform threat modeling and risk analysis, improve monitoring and incident response, and build platform-level security tooling in collaboration with platform and infrastructure teams.

Own and define IAM strategy for corporate and production environments. Migrate Okta to Terraform, design least-privilege access, automate provisioning/deprovisioning and access reviews, build/manage MDM/MAM tooling, partner with platform and engineering teams, and serve as the IAM subject matter expert across Security, IT, and Engineering.

Design, maintain, and extend abuse detection and prevention systems for GitLab's SaaS platform. Serve as a core maintainer of a Ruby on Rails monolith, build anomaly detection and agentic AI mitigations, automate abuse response, collaborate with peer engineering and security teams, and produce runbooks and operational documentation.

Own developer-facing outreach for Trail of Bits: grow community relationships, support and onboard maintainers, convert research into usable tools and docs, publish deep technical content, run workshops and conference presence, and attract upstream contributions while routing practitioner feedback into product and research priorities.

Build developer-facing security services and tools, partner with engineering teams through the SSDLC to threat model and review code, and contribute to security automation (static analysis, vulnerability management, asset inventory) to help Cedar scale secure patient-facing products.

Lead applied research on agentic AI for cybersecurity: set scientific direction, run experiments on efficient post-trained models, design evaluation/verification methodologies, partner with product and security teams, and translate research into secure, production-ready agentic systems.

Pre-sales specialist for NG Identity Security responsible for driving sales in California, delivering technical demos and proofs of value, advising customers, collaborating with sales, product and engineering teams, shaping go-to-market strategy, and expanding product adoption.

Lead applied research on agentic AI for cybersecurity: develop efficient post-trained models, agent designs, and rigorous evaluation/verification. Partner with security teams to translate research into products, run experiments, and publish novel techniques.

Advise Falcon Complete customers on security posture, assess environments for alignment with standards, provide remediation recommendations, document and resolve issues per SLAs, produce service reports, liaise with support and internal teams, and guide customers through incident detection and response activities.

The Senior Security Engineer will secure cloud infrastructure across various services, develop security policies, manage exceptions, and respond to security alerts while collaborating with teams to eliminate security risks.

Design and harden on-device security for Specs including permissions, sandboxing, secure IPC, and trusted execution. Build privacy and integrity controls for on-device AI, improve fuzzing and automated security testing, conduct threat modeling, vulnerability assessment, and secure code review across OS, firmware, services, and device-cloud surfaces.

Perform deep security analysis of endpoint products and sensors: threat modeling, source-code review, exploit-style testing (including kernel components), reproduce/validate bug bounty findings, collaborate with developers to fix vulnerabilities, and build tooling/automation to improve security workflows.

Lead application security for products by performing threat modeling, manual secure code reviews, and penetration testing. Collaborate with engineers to remediate defects, build AppSec automation and tooling, secure cloud/containerized applications, and drive bug-bounty responses to harden platform security.

Lead technical marketing for Falcon Secure Access by creating demos, labs, workshops, and technical content that translate secure access, browser security, Zero Trust, and AI security capabilities into market-facing messaging, sales enablement, and go-to-market strategy. Collaborate cross-functionally to drive adoption and competitive differentiation.

Perform application security assessments across CrowdStrike products: threat modeling, code review, penetration testing, and secure design guidance. Build automation and tooling, respond to bug bounty reports, and collaborate with engineering to remediate defects and harden cloud-native, containerized applications.

Lead technical security strategy and implementation for Managed Services platforms. Design and improve security controls, IAM, PAM, vulnerability management, incident response, and compliance. Embed secure-by-design and DevSecOps practices, mentor engineers, and partner with architecture, engineering, and operations to reduce risk and enable scalable growth.

Partner with sales to design and present data security solutions for SLED customers. Lead technical evaluations, gather requirements, build test plans, configure proof-of-concepts, and guide customers to successful outcomes while collaborating across GTM teams.

Lead technical strategy and architecture for software security across Block. Design and deliver security solutions, drive Secure SDLC adoption, threat model critical systems, mentor engineers, and execute high-priority security initiatives for scalable, resilient security services and mobile/platform security.

Lead AI security strategy and guardrails, design and review AI gateways and tooling, scale InfoSec review processes, reduce AI-driven security noise, drive remediation and investigations, and mentor security and platform engineers.

Design, implement, and maintain security controls across cloud (AWS) and on-prem systems. Lead vulnerability management, incident response, and remediation. Serve as SME for SIEM, SAST/DAST, IAM. Embed security in SDLC, support SOC 2/ISO 27001 audit readiness, mentor junior engineers, and recommend control improvements.

The role involves leading security initiatives, building security tools, conducting vulnerability assessments, and collaborating with teams to enhance cloud security and risk management.