security jobs in San Diego

Network Engineer III supporting a Navy C4I Messaging program, requiring 6–8 years of hands-on experience with LAN/WAN protocols (TCP, UDP, OSPF, BGP, LISP, GRE), virtualized network infrastructure (VMware, VLANs, routing), Type 1 network encryption (IPSec), and security tools (Wireshark, LANScope). Must hold or be able to obtain a Top Secret clearance, possess Security+ and CCNA IAT certifications, and have experience with Juniper and Fortigate firewalls.…See more Desired experience includes tactical messaging systems such as C2OIX, NMHS, NAVMACS, Nova, and NIXT.

Principal Windows Systems Administrator supporting classified government contracts, responsible for maintaining multi-user Windows-based systems, Active Directory administration, Group Policy management, system compliance, backup/recovery services, and security audit logging. The role requires coordinating with system engineers, networking teams, and IT/Cyber management to ensure system reliability, apply patches and updates, troubleshoot cross-disciplinary issues, and maintain strict information security compliance.…See more Must hold a current Secret clearance and Security+ certification, with 3–9 years of relevant experience depending on educational background.

The Software Installation Engineer conducts onsite software installations and system configurations at customer facilities, performing data migrations, system verifications, and testing across project iterations. The role requires hands-on expertise in Linux administration, networking hardware (routers, switches, firewalls), infrastructure-as-code tools, and security frameworks, with responsibility for troubleshooting, quality control implementation, and project documentation.…See more This individual will travel to customer sites to support installations, coordinate with project teams, and maintain compliance with security standards (RMF, STIGs, NIST controls).

Senior Software Architect responsible for designing, managing, and defending large-scale classified software systems while leading development teams and ensuring architectural flexibility and maintainability. The role requires 12+ years of experience designing integrated classified systems, 10+ years leading development teams, and expertise in secure systems architecture, code quality analysis, and CI/CD pipelines.…See more Responsibilities include overseeing team training, participating in technical discussions, managing architectural changes, and performing systems architecture activities in support of Agile/SCRUM teams.

Technical Lead responsible for managing IT enterprise operations, including computer/network support, incident response, and data spillage asset recovery on classified networks (NIPR/SIPR). Provide peer coaching and mentorship to technicians, troubleshoot hardware/software/networking issues, manage customer tickets to SLA, and support VIP/executive-level users.…See more Lead operational and training activities at the site with hands-on expertise in layer 1 networking, VoIP/VTC, and multi-function device troubleshooting.

Associate Pathways Computer Systems Analyst supporting classified government contracts on information system lifecycle activities. The role involves resolving technical problems across hardware, software, networks, and telecommunications systems for internal customers; managing ticketing systems (ServiceNow, JIRA); and supporting multi-user computer environments under security policies.…See more Requires a Bachelor's or Master's degree, basic Windows Server OS knowledge, and ability to obtain a U.S. Government Systems Administrator certification (Cloud+, GICSP, GSEC, Security+, or SSCP) within 6 months.

Associate-level cybersecurity analyst supporting classified government information system lifecycle activities through security audits, continuous monitoring, and Assessment & Authorization (A&A) work. Responsibilities include conducting system and network security assessments, analyzing compliance with security controls and policies, supporting Security Test & Evaluation (ST&E) activities, and preparing Risk Management Framework documentation.…See more Requires a Bachelor's or Master's degree, current Secret clearance (or CE Program enrollment), and ability to obtain an IT Program Auditor certification (SecurityX/CASP+, GGRC, GSEC, GSNA, Sec+, or SSCP) within six months.

Senior Systems Administrator supporting F-35 training systems at Marine Corps Air Station Miramar. Responsibilities include Windows Server and Active Directory administration, VMware virtualization management, network services (DHCP/DNS), system monitoring, troubleshooting, and coordination with Tier 2 engineers to maintain multi-user training computer networks.…See more Requires active DoD Secret clearance with SAP access capability, Security+ certification, and hands-on experience with Windows 10/Server 2019, domain services, and virtual environments.

Network Engineer supporting Navy AT/FP systems, responsible for engineering, configuring, and sustaining Juniper, Aruba, Cisco, and specialized networking equipment across shore facilities and deployed environments. The role involves end-to-end system lifecycle support including staging, integration, testing, fielding, and sustainment; implementation of secure architectures compliant with RMF and STIGs; and hands-on site surveys and system installs with 50%+ travel.…See more Requires active Interim Secret clearance with ability to obtain fully adjudicated Secret; DoD 8570/8140 baseline certification (Security+ CE or higher); and 5+ years of experience with hands-on expertise in Juniper Junos OS, Aruba ArubaOS/wireless, and Cisco platforms.

Technical Lead responsible for managing IT operations, incident response, and Information Assurance across a 24/7 DoD environment. Provides technical coaching and mentorship to technicians while troubleshooting hardware, software, networking, VoIP, and VTC issues.…See more Manages NIPR/SIPR access, customer tickets per SLRs, and escalations to VIP/executive customers. Requires DoD Secret clearance, Security+ or higher certification, and 4+ years of IT operations experience.

Software Engineer to develop and test applications for Linux and Android platforms using C++, C, Python, and Qt in a Navy environment. The role encompasses full-cycle development—analysis, design, implementation, and testing—with emphasis on secure coding, CI/CD automation, and object-oriented/functional programming principles.…See more The engineer will work within Agile Scrum, manage configuration and version control, integrate across APIs and containerized/hardware systems, and optimize mobile and embedded UIs. This is a 100% on-site position requiring an active Secret DoD clearance and U.S. citizenship.

Develop, secure, and maintain software applications for the U.S. Navy across classified and unclassified environments.…See more Design and build web applications and REST/SOAP/GraphQL APIs, implement secure coding practices per DoD directives and DISA STIGs, and support CI/CD DevSecOps pipelines. Requires proficiency in Python and JavaScript, Agile/Scrum methodologies, test-driven development, and containerized deployment; active Secret clearance and DoD 8570 IAT Level II certification mandatory.

This role supports maintenance, security, and configuration of Windows and Linux environments for a DoD tactical shipboard system (CANES). Responsibilities include maintaining system software and firmware, developing automation scripts for patch deployments, implementing DISA STIG compliance and security hardening, performing vulnerability remediation, and managing software version control and configuration management.…See more The candidate must hold an active Secret clearance, have 5–7 years of systems administration experience, and demonstrate proficiency in PowerShell, Bash, or Python scripting alongside hands-on Windows/Linux administration.

Senior Software Engineer supporting a DoD IT management contract in San Diego. Develop and maintain secure applications using Python and JavaScript, build REST/SOAP/GraphQL APIs, and work within containerized environments (Docker, Kubernetes, OpenShift).…See more Must implement DoD-compliant secure coding practices, DISA STIGs, and DevSecOps/CI/CD pipelines in an Agile/Scrum environment with a required active Secret clearance and IAT Level II certification.

Software Developer III will design, develop, test, integrate, and deploy software for the Application Arsenal platform, translating user stories and operational requirements into secure, maintainable solutions. The role requires hands-on coding in languages like Python, Java, C#, Go, or C++; implementing modern architectural patterns (microservices, event-driven, serverless); and managing the complete software delivery lifecycle including CI/CD pipelines, automated security testing (SAST, DAST, SCA), and containerization.…See more The developer will support Kubernetes and cloud deployments, troubleshoot issues across laboratory and operational environments, and collaborate with systems engineers, cybersecurity teams, and government stakeholders. An active Top Secret or TS/SCI clearance with Tier 5 investigation, Security+ certification, and minimum 5 years of Agile software development experience are required.

The Software Test Engineer will author and execute manual and automated test cases in an agile environment, ensuring product requirements and quality standards are met before code merges. Responsibilities include developing testing tools and techniques, participating in design reviews, documenting bugs and test results, and collaborating with product owners and developers.…See more The role requires 4–8 years of experience, proficiency in scripting languages (Python, JavaScript), familiarity with automated testing tools, and a DoD 8570 security certification within 90 days of hire.

As a Network Engineer supporting Navy installations, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across NIWC Pacific and shore facilities. You'll manage the complete system lifecycle from staging through sustainment, implement secure network architectures aligned with RMF and STIGs, and support both lab and field deployments with 50%+ travel.…See more The role requires hands-on expertise with routing protocols, VLANs, VPNs, firewalls, and wireless deployments, along with DoD 8570 baseline certification and an active Secret clearance.

This mid-level Systems Engineer role focuses on deploying, managing, and maintaining Red Hat OpenShift clusters in on-premises government environments. Core responsibilities include Kubernetes and OpenShift administration, Linux system management, cluster monitoring and troubleshooting, security hardening (including STIG implementation), and collaboration with development teams.…See more The role requires an active Secret clearance, one DoD 8570 IAT Level II certification (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP), and 1+ years of OpenShift experience plus 3–5 years of Linux administration background.

This role develops web and mobile applications for cybersecurity and cryptographic key management systems serving defense/intelligence customers. The engineer will work full-stack (frontend, backend, persistence layer) in an Agile/Scrum environment, applying secure software development practices, Test-Driven Development, and clean coding principles (S.O.L.I.D).…See more Responsibilities include web service development, automated testing, CI/CD integration, and setting team standards for testing rigor and Agile practices.

Network engineer providing advanced engineering, integration, and sustainment support for Navy AT/FP systems across global installations. You will engineer, configure, and sustain Juniper, Aruba, Cisco, and Antaira networking equipment; deploy and troubleshoot networks in labs, shore facilities, and data centers; implement secure network architectures aligned with RMF and STIGs; and conduct site surveys and operational verification testing during 50%+ travel.…See more Requires active interim Secret clearance with ability to obtain fully adjudicated Secret clearance, bachelor's degree plus 5 years experience (or HS diploma plus 8 years), DoD 8570/8140 baseline certification (Security+ CE or higher), and hands-on experience with Juniper, Aruba, and Cisco platforms.

Software Engineer I supporting U.S. Navy IT Management Services, developing secure, scalable applications in Python and JavaScript across classified and unclassified environments.…See more Responsibilities include designing REST/SOAP/GraphQL APIs, managing database architectures, implementing DevSecOps CI/CD pipelines with Docker/Kubernetes, and embedding DoD/DISA STIG cybersecurity controls throughout the development lifecycle. Requires active Secret clearance, Bachelor's degree, 4+ years software engineering experience, IAT II certification (CySA+, Security+, CCNA-Security, GSEC, or SSCP), and hands-on expertise in Agile/Scrum, TDD, object-oriented design, and DoD-compliant secure coding practices.

Sr. Software Product Security role focused on monitoring, assessing, and responding to product and application security risks, vulnerabilities, and emerging cybersecurity threats.…See more Responsibilities include conducting security assessments, automating vulnerability testing, partnering with engineering teams to define security requirements, troubleshooting security issues across systems and applications, and providing technical guidance on cybersecurity best practices. Requires 4-15+ years of cybersecurity/product security experience, strong knowledge of vulnerability management and risk assessment, hands-on experience with security testing and application validation, and familiarity with secure software development practices. Security certifications (CISSP, Security+) preferred; experience in regulated industries or healthcare a plus.

This onsite role administers and secures Windows 11 and Red Hat Enterprise Linux (RHEL) systems supporting NIWC Pacific's mission-critical RDT&E networks and secure enclaves. The administrator will develop PowerShell and Bash automation scripts, implement Ansible playbooks, harden systems to DISA STIGs and DoD cybersecurity standards, manage vulnerability remediation and patching, and support infrastructure design and modernization.…See more The position requires 3+ years each of Windows and RHEL administration experience, strong scripting and troubleshooting skills, and an active Secret clearance with a DoD 8570/8140 IAT Level II certification (Security+, GSEC, SCNP, or SSCP).

Senior Network Specialist will install, configure, and support LAN/WAN and Internet systems for a large DOD program. Responsibilities include routine testing and analysis of network facilities, monitoring network availability, troubleshooting performance issues, and performing maintenance.…See more Requires 6+ years of experience with Cisco networking equipment (routers and switches), IPv6 protocol expertise, and level 3 network protocol knowledge.

Senior Linux System Administrator role supporting a large DOD program, responsible for installing, configuring, and maintaining LAN/WAN and Internet systems. Will monitor network availability, perform maintenance, assist in network modeling and analysis, and administer network security measures.…See more Requires 4+ years of experience with a Bachelor's degree (or equivalent), strong Linux expertise, and Security+ certification.