comptia-security jobs in San Diego

Principal Systems Administrator role managing enterprise Windows Server and Linux environments, including Active Directory, virtualization (VMware/Horizon), cloud identity (Azure AD), and endpoint security. Requires 7+ years of systems administration experience, CompTIA Security+ certification or DoD 8570 IAT Level II equivalent, and ability to obtain a US Secret clearance.…See more The role combines hands-on administration with mentorship, technical documentation, and Tier 1–2 escalation support, including automation via PowerShell, Bash, or Python.

The Cybersecurity Analyst will serve as a technical subject matter expert evaluating the cybersecurity posture of drone systems and components submitted to the Blue UAS Cleared List Program. You will review assessment reports, identify vulnerabilities and residual risks, validate remediation plans, and provide technical recommendations on compliance with NIST frameworks and DoD Risk Management Framework requirements.…See more The role requires expertise in embedded systems security, firmware analysis, wireless communications, encryption, authentication, and supply chain security. You must hold an active DoD 8570/8140 IAM or IAT Level II/III certification (CISSP, CISM, or Security+) and demonstrate proficiency with NIST SP 800-53 and NIST SP 800-161.

Systems Engineer IV providing technical leadership for Navy C5ISRT programs, including Ship's Signals Exploitation Equipment (SSEE) Family of Systems and related cryptologic initiatives. Responsibilities span systems engineering, integration, testing, configuration management, documentation, and fleet support.…See more Requires 8–10 years of DoD/Navy systems engineering experience, a Bachelor's degree in engineering or related field, and strong technical writing skills. Must obtain or maintain TS/SCI clearance and CompTIA Security+ certification.

SAIC seeks a Principal Software Engineer to design and implement streaming data platforms and machine-learning systems for government clients. The role involves full-stack development in Python, Java, or JavaScript, Kubernetes deployment, ETL/data pipeline work, and direct client collaboration on custom applications.…See more The position requires 9 years of experience (or 7 with a Master's degree), a Top Secret clearance with TS/SCI eligibility, and hands-on proficiency in cloud platforms (AWS/Azure), databases (SQL, Postgres, MongoDB), and Linux.

Lead enterprise IT systems engineering for Navy infrastructure modernization, architecting and securing Windows, Linux, and cloud server platforms across Active Directory, hybrid identity, virtualization, and Azure environments. Direct a team of IT systems engineers in deploying, optimizing, and troubleshooting mission-critical infrastructure while serving as on-site technical advisor to government clients on system architecture and modernization strategy.…See more Require 10+ years enterprise Windows Server experience, 3+ years technical leadership, expertise in AD/Entra hybrid identity, enterprise endpoint management (MCM/SCCM), and hyperconverged infrastructure, plus hands-on knowledge of PowerShell automation, Azure, and security hardening.

SAIC seeks a Principal Software Engineer to design and deploy streaming data platforms and machine-learning systems for defense/mission clients. You will perform full-stack development (Python, Java, JavaScript) with cloud technologies (AWS, Azure), manage Kubernetes deployments, build data-driven applications with ETL pipelines, and provide client technical support and documentation.…See more The role requires 9 years of experience (or 7 with a Master's), a Top Secret clearance with ability to obtain TS/SCI, and hands-on expertise in cloud, databases, Linux, and big-data tools.

Sr Principal Engineer for systems test at a defense contractor, responsible for executing test programs, lab operations, and coordinating across system test, software development, and systems engineering teams. The role requires extensive test program execution experience, hot bench lab support, understanding of software development lifecycle and agile methodology, and the ability to work extended/rotating hours.…See more Candidates must hold or be able to obtain active Secret clearance and SAP access, with a STEM degree and 7–9+ years of engineering experience depending on education level.

The Cybersecurity Analyst will support security compliance, assessment, monitoring, and remediation for a Federal information system. Responsibilities include implementing and validating security controls, collecting evidence for assessments and audits, maintaining security documentation, reviewing vulnerability scans, monitoring security alerts, and preparing status reports.…See more The role requires a minimum of five years of cybersecurity or information assurance experience, a bachelor's degree, and an active CompTIA Security+ certification or higher. The analyst will coordinate with technical and program personnel to ensure cybersecurity actions are completed on schedule.

SAIC seeks a Network Engineer to provide break/fix IT support and cybersecurity patching for U.S. Navy afloat networks in a hybrid role based in San Diego, with frequent onsite work aboard Navy ships.…See more The role involves troubleshooting LAN and server issues, performing root-cause analysis, administering Cisco switches/routers and Windows/Linux systems, and delivering technical briefs. Required qualifications include 1+ years supporting military networks, current DoD IAT Level II certification (CompTIA Security+), active Secret clearance, and ability to obtain TS/SCI. Desired experience includes enterprise wireless technologies, next-generation firewalls, zero-trust architectures, and familiarity with Navy-specific systems like CANES, CENTRIXS, and VIXS.

This Systems Administrator role supports Trulioo's IT infrastructure across global locations, managing Mac and PC endpoint provisioning and patching via Jamf and Intune, administering identity platforms (Google Workspace, Azure/Entra ID, OneLogin), and providing day-to-day SaaS platform support including email security (Mimecast) and basic network troubleshooting (Meraki). The role requires 2+ years of IT support or systems administration experience, hands-on familiarity with endpoint management and identity/access tools, and the ability to manage tickets, maintain documentation, and support new-hire onboarding across time zones.…See more The candidate will use AI tools to enhance efficiency and contribute to continuous process improvement.

Network Systems Engineer responsible for designing, implementing, and maintaining enterprise network infrastructure including routing, firewalls, wireless, and security solutions. The role requires 10+ years of network engineering experience and involves configuring HPE Aruba and Palo Alto systems, managing routing protocols (OSPF, BGP), implementing NAC and Zero-Trust architectures, and collaborating with cloud engineering teams and customer stakeholders.…See more Must hold an active Secret clearance and one of six specified security certifications (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP).

Design and implement enterprise data architecture solutions across on-premises and cloud environments, including data models, pipelines, governance frameworks, and integration patterns. Develop data pipeline blueprints, entity relationship diagrams, and manage data warehousing, cataloging, and quality standards.…See more Serve as a subject-matter expert for data architecture across DoD analytics platforms, Microsoft 365, and hybrid cloud environments. Coordinate with government technical leads, platform teams, and data stakeholders while managing data governance, security accreditations, and administrative requirements.

Design, develop, and maintain full-stack web applications across the Microsoft .NET stack (C#, ASP.NET, .NET Framework/Core) with React front ends and SQL Server data layers, operating within a DevSecOps pipeline using Azure DevOps. Modernize legacy Microsoft applications, manage CI/CD workflows, support AWS GovCloud migration, and participate in Agile delivery while coordinating with government technical leads and security teams.…See more Requires 8+ years of full-stack web software engineering and 5+ years of DevSecOps experience with Azure DevOps, C#/.NET, JavaScript, React, SQL Server, and related Microsoft technologies. Must hold an active Secret clearance and DoD 8570/8140-compliant baseline certification such as CompTIA Security+.

SAIC seeks a mid-level Network Engineer to provide break/fix IT support for Navy afloat networks aboard U.S. Navy ships in San Diego.…See more The role involves troubleshooting LAN issues, performing root cause analysis, administering Cisco switches/routers and Windows/Linux servers, and collaborating with Active Duty personnel and government staff to maintain systems such as ADNS, ISNS, CANES, FSW, and CENTRIXS. The engineer must hold an active Secret clearance, be able to obtain TS/SCI, and possess DoD IAT Level II certification plus a relevant operating-system certification (CCNA, Microsoft Server Hybrid Administrator Associate, Linux+, or equivalent). Travel within the U.S. and internationally (~25%) and occasional after-hours support are required.

Full-stack engineer developing and maintaining web applications across the Microsoft .NET stack (C#, ASP.NET, .NET Framework/Core) and React front ends, with SQL Server data integration, operating within a DevSecOps pipeline using Azure DevOps. The role includes modernizing legacy applications, migrating workloads to AWS GovCloud, and supporting secure CI/CD workflows.…See more Requires 8+ years in full-stack web software engineering, 5+ years in DevSecOps (Azure DevOps, TFS), and proficiency across C#, .NET, JavaScript, React, SQL Server, HTML, and CSS. Requires active Secret clearance and DoD 8570/8140-compliant baseline certification (e.g., CompTIA Security+).

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 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.

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.

The Systems Administrator II maintains and supports IT infrastructure integrity, availability, and performance for a DoD contract environment. Key responsibilities include Active Directory administration (ADUC, DNS, GPO, WSUS), PKI credential management, system maintenance, software/hardware upgrades, troubleshooting, and compliance monitoring via DISA STIGs.…See more The role requires a Bachelor's degree in IT or related field, 3+ years of relevant experience, and an IAT Level II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP).

This role provides hands-on technical support to the Global Command and Control Systems – Maritime (GCCS-M) Product Support Team, resolving complex help desk tickets, conducting rapid-response troubleshooting on USS Naval Vessels, and leading installations of GCCS-M baselines to the Fleet. You will administer diverse C4I environments (RHEL/Unix/Linux/Windows), manage casualty reports in Helix, and travel 25–40% to CONUS and OCONUS locations for on-site system configuration and maintenance.…See more Experience with Linux, Windows Server, VMware virtualization, network administration, and C4I systems (including Link 11 and related peripherals) is expected. You must hold an active Secret clearance and CompTIA Security+ certification.

This role is a hands-on cybersecurity engineer responsible for securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications. Key duties include vulnerability scanning and penetration testing, threat modeling, Web Application Firewall (WAF) deployment and tuning, CI/CD security integration (SAST, DAST, SCA), incident response, and compliance support.…See more The engineer will work closely with DevOps and application teams to embed security controls, conduct code and architecture reviews, and provide risk-based guidance. Required experience includes 3–5+ years in cybersecurity or security engineering, hands-on SIEM/EDR/vulnerability management tools, cloud platforms, WAF configuration, and scripting (Python, Bash, PowerShell).

Sr. Principal Engineer Systems Test will lead test program execution, system-level testing, and lab operations for defense programs.…See more The role requires extensive experience in test methodology, software development lifecycle, agile practices, and systems engineering, with responsibility for maintaining testing metrics, coordinating with SW development and systems engineering teams, and supporting extended/shifted work schedules. Candidates must hold an active Secret clearance with ability to obtain SAP access, and must meet strict education and experience requirements (BS+9yr, MS+7yr, or PhD+4yr in engineering).

Enterprise IT Systems Engineer supporting mission-critical Department of Defense environments with 12+ years of experience designing and administering secure, scalable infrastructure. Responsibilities include managing Microsoft Active Directory, PKI, enterprise backup/disaster recovery, storage area networks, Hyper-Converged Infrastructure, and virtualization platforms (VMware, Kubernetes, Docker).…See more Must demonstrate expertise in DoD cybersecurity compliance (RMF, STIGs), cloud services (Office 365, IaaS/PaaS), and secure system technologies including encryption, VDI, and VoIP. Requires TS/SCI clearance and ability to obtain DoD 8570.11 IAT Level II certification within 30 days.

This role involves architecting, deploying, configuring, and maintaining VMware virtualized infrastructure—including vSphere, vCenter, vSAN, NSX, and VMware Cloud Foundation—for a U.S. Navy enterprise IT environment.…See more The engineer will design disaster recovery and business continuity strategies, manage infrastructure upgrades and patching, monitor system health, and troubleshoot complex virtualization issues across Windows Server environments. The position requires 6+ years of VMware experience, 6+ years with vSphere/vCenter/vSAN, 2+ years of PowerShell scripting, and proficiency in network and storage virtualization. A Secret clearance is required, along with a DoD 8570.11 IAT Level II certification (CompTIA Security+, CCNA-Security, GSEC, or SSCP) within 30 days of hire.

Network Engineer responsible for deploying, configuring, troubleshooting, and optimizing enterprise network infrastructure supporting Department of War missions across data centers, campuses, and tactical environments. Will work with routing, switching, security technologies, and systems integration to deliver resilient, secure, and high-performing network solutions.…See more Requires 3+ years of hands-on network infrastructure experience, knowledge of enterprise networking protocols and security technologies, and ability to develop technical documentation and artifacts. Requires Secret clearance and CompTIA Security+ and Cisco CCNA certifications.