cybersecurity jobs in San Diego

The Cybersecurity Engineer III will support Assessment and Authorization (A&A) accreditation efforts, including maintaining cybersecurity monitoring operations, performing incident triage, identifying vulnerabilities, and recommending remediation strategies. Responsibilities include testing and applying security controls, conducting reconnaissance, authoring Plans of Milestones and Actions (POA&Ms), developing A&A documentation (SSP, SAP, SARs), and managing eMASS tasking throughout the accreditation cycle.…See more The role requires in-depth knowledge of the Risk Management Framework, DISA circuit connections, and cloud service provider inheritance. This position requires a Secret clearance, IAT Level III certification, and one of several advanced certifications (CASP+, CCNP Security, CISA, CISSP, GCED, or GCIH), plus 10+ years of cybersecurity or incident response experience.

Lead Information Assurance and security engineering for Navy tactical networks (CANES), managing end-to-end Risk Management Framework (RMF) authorization, hardening virtualized and cloud network stacks, and ensuring compliance across diverse naval environments. Develop and maintain security authorization artifacts (SSP, SAP/SAR, POA&M, ATO packages in eMASS), apply DISA STIGs and vulnerability management tools (ACAS, NESSUS, SCAP), and provide IA guidance for application integration aligned with DoDAF and Net-Ready KPP baselines.…See more Support developmental testing, audit response, and continuous monitoring while coordinating with PEO C4I, NIWC Pacific, and Fleet stakeholders. Mentor junior engineers and champion DevSecOps and STIG automation practices.

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain enterprise-grade networked systems (Juniper, Aruba, Cisco, Cambium) across Navy installations worldwide. You will manage the full system lifecycle from staging and integration through fielding and sustainment, implement secure network architectures aligned with RMF and STIGs, and deploy networks in labs, shore facilities, and field environments.…See more The role requires hands-on expertise in Layer 2/3 technologies, routing protocols, VPNs, wireless deployments, and vulnerability remediation, with 50%+ travel to support CONUS and OCONUS operations.

Information Systems Security Engineer II supporting DoD Ballistic Missile Defense C4I systems with cybersecurity engineering, vulnerability management, and Risk Management Framework activities. Responsibilities include implementing cybersecurity controls, conducting DISA STIG assessments, performing vulnerability scans with tools like ACAS and Nessus, managing patches, maintaining eMASS RMF artifacts, and coordinating remediation across Windows, Linux, Hyper-V, and network environments.…See more Must assess cybersecurity risk, document findings, and support system authorization while maintaining operational readiness in a DoD test, integration, and evaluation environment.

This role leads the design, development, and integration of ashore and afloat network and cloud-agnostic system architectures for Naval infrastructure, with a focus on Windows Server–based enterprise IT systems and hybrid cloud migration. The architect will conduct system assessments, develop detailed workload migration plans, collaborate with cross-functional teams, and provide guidance during implementation to ensure architectural compliance.…See more The position requires 12+ years of enterprise systems engineering in DoD environments, hands-on experience with Red Hat, Microsoft, AWS, Azure, SAN, HCI, virtualization, and DoD cybersecurity compliance frameworks. A Secret clearance is required, and the candidate must obtain a DoD 8570.11 IAT Level II certification (Security+, CCNA Security, GSEC, or SSCP) within 30 days of start.

Lead a team of network engineers designing and maintaining enterprise SD-WAN and software-defined networking solutions for Naval tactical networks. Provide Tier IV network support, perform network architecture design and system operational analysis, troubleshoot outages, and develop automated configuration management solutions.…See more Collaborate with cybersecurity, engineering, QA, and operations teams to meet enterprise migration, data center, and remote access requirements while supporting global critical security missions.

Support the implementation, monitoring, and maintenance of security controls across endpoint, identity, and Microsoft 365 environments at a pharmaceutical company. Responsibilities include monitoring security alerts, managing endpoint security in Microsoft Intune, maintaining device compliance policies, investigating security issues, and automating tasks with PowerShell.…See more The role requires a foundational background in IT support, system administration, or security operations, with 1+ years of experience and hands-on exposure to Microsoft Defender Portal, MDM/MAM policies, and security investigation.

Senior Network Administrator with 10+ years of enterprise network engineering experience to design, deploy, and maintain complex routing, switching, and firewall infrastructure in multi-cloud DoD/government environments. Responsibilities include managing IP address space, VLANs, VPCs, and routing protocols (OSPF, BGP); implementing secure tunneling (IPsec) and Network Access Control solutions; supporting Zero Trust architectures; and coordinating with engineering and cybersecurity teams on network modernization.…See more Must hold an Active Secret clearance and DoD 8570/8140 IAT Level II certification plus a relevant Cisco or security certification (Security+, CySA+, GSEC, SCNP, or SSCP).

Director-level role leading cyber architecture strategy and teams at an enterprise consulting firm. Responsibilities include architecting secure cloud and AI-enabled solutions, guiding security controls and design patterns, mentoring security professionals, and providing technical thought leadership on emerging technologies like generative AI and agentic systems.…See more Requires 10+ years of security architecture experience, expertise across IaaS/PaaS/SaaS platforms, and proven ability to influence enterprise technology strategy while balancing business enablement with risk management.

Lead the design, development, and integration of ashore and afloat network and cloud-agnostic system architectures for Naval infrastructure, spanning enterprise IT systems, cloud migrations, and hybrid environments. Collaborate with cross-functional teams to conduct system assessments, develop detailed workload migration plans with risk mitigation strategies, and provide architectural oversight during implementation.…See more Required: 12+ years of DoD enterprise systems engineering experience, proficiency with Red Hat and Microsoft technologies, AWS and Azure cloud architecture, infrastructure-as-code, SAN/HCI/DR architectures, and DoD cybersecurity compliance (RMF, STIGs). Must obtain DoD 8570.11 IAT Level II certification within 30 days of start.

Sigma Defense seeks Network Engineers (I, II, or III) to configure, install, and maintain DoD network equipment across Navy Enterprise architecture, including switching, routing, firewalls, wireless, and VoIP systems. Candidates will design and troubleshoot VLANs, routing protocols, IP addressing, and WAN connectivity while applying network STIGs and integrating external services.…See more The role requires hands-on expertise with Cisco ISE, Palo Alto, next-gen firewalls, and deployment automation tools (Ansible, Python, PowerShell), scaling from 0–2 years (Level I) through 7+ years (Level III), with Security+ or CISSP certification mandatory.

The Network Engineer IV delivers advanced carrier training tactical system network engineering, integration, and sustainment for Navy afloat C4ISR operations within the CANES architecture. The role maintains, configures, and troubleshoots ruggedized network hardware and software baselines; provides direct technical support to shipboard ITs during Fleet training evolutions and underway testing; and ensures system readiness, cybersecurity compliance, and secure tactical data transport.…See more The engineer supports RMF artifacts, STIG application, vulnerability remediation, and Zero Trust hardening across Fleet units. 3–5 years of network engineering experience, CCNA/CCNP certification, DoD 8570 IAT Level II (Security+), and an active Secret clearance are required.

This cybersecurity engineer role focuses on securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications through vulnerability management, risk assessment, and security architecture review. The position requires hands-on experience with SIEM, EDR, WAF configuration, and embedding security scanning (SAST, DAST, SCA) into CI/CD pipelines.…See more The engineer will conduct threat modeling, manage IAM policies, perform penetration testing coordination, support incident response and post-incident reviews, and partner with engineering teams to balance security with delivery. The role also includes compliance support, vendor risk assessments, and serving in an on-call rotation for after-hours security incidents.

This role manages a large technical team supporting Navy-Marine Corps Intranet (NMCI) network operations under the SMIT contract. The engineer will lead field/base network operations including BAN/LAN/WAN troubleshooting, installation, configuration, cabling, and COMSEC support across DOD enterprise network environments.…See more Responsibilities include incident response, change management, problem management, and DevSecOps initiatives, with direct customer interaction and resource management. The position requires extensive operations/engineering leadership experience, solid network architecture knowledge, and hands-on proficiency in fault diagnosis, repair, and passive infrastructure work.

Design and implement security and privacy controls for on-device AI features on Snap OS, including model integrity, secure data handling, inference-time privacy protections, and sensor access controls. Research and develop security features across firmware, applications, system services, and cloud-connected device surfaces.…See more Improve fuzzing infrastructure, automated security testing, and continuous validation pipelines for OS components, IPC mechanisms, parsers, drivers, firmware, and AI data flows. Requires 5+ years developing production software in C, C++, or Rust and 3+ years building security or platform protection features for Linux-based, embedded, mobile, or wearable systems.

The Information Systems Security Manager (ISSM) will lead organizational information security strategy, frameworks, and compliance across defense and classified environments. Responsibilities include developing and maintaining security policies aligned with NIST SP 800–171, DFARS, and ISO 27001; leading CMMC and ISO 27001 certification efforts; managing CUI and classified information handling; conducting risk assessments and vulnerability analyses; overseeing incident response; and serving as the primary liaison with government agencies and customers on security compliance.…See more The role requires 7+ years of information security management experience, with 3+ years in a leadership capacity, and deep expertise in NIST, DFARS, DISA-STIGs, ISO 27001, classified information protocols, and risk governance.

The Information Systems Security Manager will develop, implement, and maintain the company's information security policies and compliance programs aligned with NIST SP 800-171, DFARS, ISO 27001, and CMMC requirements. Responsibilities include overseeing Controlled Unclassified Information (CUI) and classified information protection, conducting risk assessments and vulnerability analyses, leading incident response efforts, and serving as primary liaison with government agencies on compliance matters.…See more The role requires 7+ years of information security management experience with at least 3 years in a leadership position, and extensive knowledge of defense industry security standards and classified information handling protocols. The ISSM will collaborate with DevSecOps, IT, and engineering teams to integrate security controls across operations and maintain continuous Authority to Operate (cATO) pipelines.

This Staff Engineer role owns and executes BD's product security lifecycle for FDA-regulated medical device dispensing systems and their cloud platforms. Key responsibilities include defining end-to-end security architecture, conducting threat modeling and risk assessments, implementing secure SDLC practices aligned to NIST/OWASP/BSIMM, managing SBOMs and vulnerability remediation, and ensuring regulatory compliance (IEC 62304, ISO 14971, FDA cybersecurity guidance).…See more The role requires 5+ years of cybersecurity experience with FDA Class I/II devices, hands-on expertise in embedded/cloud/application security, and the ability to balance security controls with usability while supporting FDA submissions.

Lead a large technical team supporting Navy-Marine Corps Intranet (NMCI) operations under the SMIT contract, managing network infrastructure, incident response, change management, and O&M initiatives. Perform hands-on network engineering including troubleshooting, installation, configuration, cabling, and COMSEC support across BAN/LAN/WAN environments.…See more Analyze network architectures, diagnose faults, manage customer relationships, and execute projects in a fast-paced DOD enterprise network environment. Requires extensive operations/engineering leadership experience with network/transport technical background and DOD enterprise network knowledge.

Senior Network Engineer providing engineering, integration, testing, and operational support for complex Combined Test Bed (CTB) network environments in defense settings. Responsibilities include installation, configuration, upgrades, and STIG compliance of network infrastructure; monitoring and troubleshooting network performance at physical and IP packet levels; designing and maintaining secure multi-cloud connectivity across AWS and Azure; and configuring enterprise networking technologies including routing, switching, firewalls, IPsec, OSPF, and BGP.…See more Requires 10+ years in network engineering within enterprise or government environments, expertise in routing/switching platforms, Palo Alto firewalls, HPE Aruba solutions, cloud networking, and active Secret clearance with DoD 8570 IAT Level II and networking certifications (CCNA, CCNP, or CCDP).

The Network Engineer IV delivers advanced tactical network engineering, integration, and sustainment for Navy carrier training systems within the CANES architecture. The role involves maintaining, configuring, and troubleshooting shipboard network hardware and software, supporting NIWC Pacific and fleet operations during training exercises and deployment workups.…See more Key responsibilities include system sustainment, afloat technical support, cybersecurity compliance (RMF, STIG, Zero Trust), and automated testing. The engineer must hold or obtain a Secret clearance, possess CCNA/CCNP and Security+ certifications, and have 3–5 years of network engineering experience with Navy tactical networks (NIPR/SIPR/CANES).

This is a tiered network engineering role (I–III) supporting DoD Navy Enterprise Network architecture. Engineers will configure, install, and maintain network equipment including switches, routers, firewalls, wireless controllers, and network access control systems; design and troubleshoot VLANs, routing protocols, IP addressing, and WAN connectivity; and apply DoD security standards (STIGs) in coordination with cybersecurity teams.…See more Requirements scale with experience level (0–2 years for Level I, 3+ for Level II, 7+ for Level III) and include knowledge/expertise in Cisco ISE, Palo Alto, Zscaler, Ansible, Python, and PowerShell, plus Security+ or CISSP certification.

Network Engineer responsible for designing, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, Cambium, and Antaira equipment. The role spans end-to-end lifecycle activities: staging, integration, testing, fielding, and sustainment of networks in labs, shore facilities, and data centers.…See more Requires hands-on expertise in Layer 2/3 technologies, routing protocols (OSPF, BGP), VPNs, firewalls, and wireless deployments, with mandatory compliance to RMF and STIGs. Must hold or obtain a DoD Secret clearance and meet DoD 8570/8140 baseline certification (Security+, CISSP, CASP+, or higher) plus vendor certifications (JNCIA/CCNA or higher).

Senior Principal Systems Engineer providing technical leadership on Naval battlespace awareness and information operations programs. Responsibilities include systems architecture design, integration, testing, and cyber certification; leading DevSecOps engineering teams; applying MBSE and SysML standards to digital model integration; and serving as technical SME for Navy information warfare capabilities across the PMW 410 portfolio.…See more Requires TS/SCI clearance, operational systems engineering experience, and expertise in cloud infrastructure, CI/CD, and defense information operations.

This role supports mission-critical network operations for U.S. Navy RDT&E infrastructure, requiring 10+ years of enterprise network engineering experience.…See more The Network Engineer will design, configure, and maintain complex routing, switching, and firewall solutions across on-premises and cloud environments (AWS/Azure), implement Zero Trust and network security architectures, and ensure STIG compliance and high-performance connectivity. Hands-on expertise with BGP, OSPF, IPsec, VLANs, HPE Aruba, Palo Alto firewalls, and enterprise monitoring tools (Traffic Sentinel, Zabbix) is essential. An active Secret clearance and IAT II certification (Security+, CCNA Security, or equivalent) are required.