Top Cybersecurity Jobs in Los Angeles, CA

Administers classified Windows and Linux systems, cloud infrastructure, identities, access controls, patches, configurations, assets, backups, and disaster recovery. Maintains RMF compliance and Authorization to Operate posture by collecting evidence, remediating findings, applying security baselines, and documenting procedures. Provides hands-on troubleshooting and customer support in SCIFs, coordinates with government security and assessment teams, and participates in on-call coverage for mission-critical space systems.

Leads end-to-end technical security programs for Application Security and Platform Security, managing plans, milestones, dependencies, operational cadences, intake, resource alignment, risks, and executive reporting. Partners with software engineering, IT, GRC, cloud, platform, vendors, and assessors to deliver secure development, vulnerability management, cloud security, IAM, and infrastructure-hardening initiatives. The role also supports roadmap prioritization and may flex across other Security & Infrastructure programs.

Architects and manages enterprise security engineering, threat detection, vulnerability assessment, security hardening, incident response, and security policies across cloud, on-premises, and SaaS environments. The role monitors security logs, supports compliance, advises on vendors and implementations, integrates security into the development lifecycle, and participates in on-call and change management activities.

Manage industrial security and classified program compliance for SCIF operations. Oversee NISPOM, DoD, and ICD 705 adherence; personnel clearance processes; security training; inspections; incident investigations; corrective actions; and liaison activities with DCSA, SSOs, and government representatives. Support classified program proposals and collaborate with engineering and program teams to implement security measures.

Own third-party vendor risk and cyber supply chain risk programs, including assessments, supplier and component inventories, risk scoring, remediation tracking, C-SCRM controls, and executive reporting. Support enterprise risk management, FAIR-based risk quantification, audit readiness, GRC documentation, and compliance with NIST, CMMC, DFARS, and DoD requirements. Collaborate with procurement, engineering, security, legal, supply chain, and compliance teams in a regulated aerospace and defense environment.

Own spacecraft and embedded-platform security architecture, threat modeling, PKI, cryptography, secure boot, firmware, FPGA, RF, and supply-chain security. Build production security tooling, foundational services, test frameworks, and validation platforms for resource-constrained systems. Lead penetration testing, security assessments, secure development practices, and organization-wide hardening initiatives while mentoring engineers and addressing novel space-based threats.

Owns security architecture and defensive controls for spacecraft, flight software, firmware, FPGA designs, RF systems, and hardware platforms. Designs embedded PKI, secure boot, cryptographic systems, key management, and supply-chain protections. Leads security assessments, penetration testing, tooling, and automated validation frameworks while driving secure development practices across engineering teams. Requires deep hardware, firmware, cryptography, and software expertise in high-assurance space systems.

Build and operate cloud security tooling, automation, and controls across AWS and Azure. Secure IAM, networks, infrastructure-as-code, CI/CD, PKI, certificates, Kubernetes integrations, and secrets management with HashiCorp Vault. Lead security projects from design through implementation, troubleshoot multi-account cloud networks, conduct CSPM and threat detection work, and support incident response. Collaborate with engineering teams on secure architectures and leverage AI to accelerate development. The role is onsite in Denver or Long Beach, may include on-call duties and occasional travel, and requires obtaining and maintaining a security clearance.

Leads the enterprise security function, including hiring and developing security engineers across enterprise security, vulnerability management, and Linux security. Owns security strategy, roadmaps, vulnerability management, identity, hardening, cloud, OT, and compliance initiatives. Partners with IT, DevOps, engineering, and manufacturing stakeholders, oversees incident response and on-call operations, communicates risk to leadership, and provides technical guidance on identity architecture, CIS/STIG baselines, SIEM, detection, and cloud security.

The Senior Embedded Security Engineer will enhance the security of the flight software for space vehicles, ensuring high standards for safety and secure coding practices throughout the development lifecycle.