cybersecurity jobs in San Diego

Prescient Edge seeks a Software Engineer III with 10+ years of professional software engineering experience to support a federal government client. The role involves researching, designing, and developing computer and network software; analyzing user needs to develop solutions; updating existing software capabilities; and integrating hardware and software systems across functional disciplines.…See more The engineer will apply modern software development methodologies (agile, DevOps/DevSecOps) and maintain databases within application areas. A Master's degree in a quantitative field and either Agile Developer or Certified Scrum Developer certification are required.

Software Engineer II will research, design, and develop computer and network software or specialized utility programs for a federal government client. The role involves analyzing user needs to develop software solutions, updating/enhancing existing software capabilities, and integrating hardware and software systems.…See more The engineer will work cross-functionally with project management, acquisition, logistics, and security teams, maintain databases, and apply modern software development methodologies including Agile and DevOps/DevSecOps. The position requires 3 years of professional software engineering experience, a Bachelor's degree in a quantitative field (Computer Science, Engineering, etc.), and either Agile Developer or Certified Scrum Developer certification.

Lead detection operations, incident response, and security operations maturation for a growing security team. Operate SIEM/XDR across endpoint, cloud, identity, network, and SaaS telemetry; conduct complex investigations; tune detections; and drive root-cause analysis and post-incident improvements.…See more Require 6+ years of hands-on security operations, detection engineering, or incident response experience with deep proficiency in SIEM/XDR query languages, EDR platforms, scripting (Python, PowerShell, Bash), and MITRE ATT&CK framework application. Mentor analysts, define playbooks and runbooks, lead threat hunts, and own SecOps metrics and operational-readiness reporting.

Design, deploy, and maintain enterprise Windows Server infrastructure with expertise in Active Directory, authentication systems (Kerberos, RADIUS, PKI), and DoD-compliant hardening (STIGs, CIS, Zero Trust). Develop Infrastructure-as-Code automation using PowerShell, Python, and Ansible across Windows and Linux environments, manage SCCM/MECM patch deployment and WSUS, and architect virtualized environments on KVM and EC2.…See more Mentor engineering teams on system integration, security, and cross-domain interoperability, and collaborate with cybersecurity, network, and Linux teams to solve complex enterprise deployment challenges.

The Cybersecurity Engineer II will design, engineer, and deploy cybersecurity and network defense solutions across complex DoD environments, with hands-on responsibility for SIEM, IDS/IPS, firewalls, and vulnerability management platforms. The role involves configuring Splunk Enterprise, conducting network and security analysis with tools like Wireshark and Tenable, and leveraging automation and APIs to improve security operations.…See more The engineer will support DoD Computer Network Defense requirements, integrate solutions across Windows, Linux, and network infrastructure, and collaborate with government and vendor teams throughout acquisition, testing, and deployment. The position requires 5–7+ years of hands-on cybersecurity and network defense experience, a Bachelor's degree in a related technical field, and an active U.S. national security clearance.

S. Navy ships in San Diego.…See more ork Engineer to provide break/fix IT support for Navy afloat networks aboard U.S. Navy ships in San Diego. 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.

SAIC seeks a Principal Cybersecurity Engineer to design, implement, and maintain secure identity, cryptographic, and network infrastructure for classified Navy DoD systems. The role involves planning and executing penetration tests and red team exercises against classified systems, performing network traffic analysis with Wireshark, architecting air-gap systems and data diodes, hardening IT and virtualized environments, and conducting vulnerability assessments aligned with DISA STIGs and DoD standards.…See more Required: 9+ years cybersecurity engineering, 5+ years hands-on experience in classified/high-security environments, proven penetration testing and red team experience, and deep knowledge of DoD/IC security frameworks (NIST RMF, DISA STIG, DoD CC SRG). Must hold an active TS/SCI clearance and be a U.S. citizen.

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 es modernizing legacy applications, migrating workloads to AWS GovCloud, and supporting secure CI/CD workflows. 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+).

MITRE is recruiting computer science and software engineering interns to gain hands-on experience across multiple technical areas including front-end/back-end/full-stack development, AI/ML, cybersecurity software development, DevSecOps, mobile computing, embedded systems, IoT, UX/UI, modeling and simulation, model-based engineering, and virtual reality. Interns must be full-time students in Computer Science, Software Engineering, or related disciplines with foundational knowledge of CS/SE methodologies, frameworks, tools, and programming languages.…See more The role involves collaborating with teams of experts to apply academic knowledge in a real-world, public-interest R&D environment.

This Cybersecurity Engineer II role involves designing, engineering, integrating, testing, and deploying cybersecurity and network defense solutions across complex DoD environments. The position requires planning and executing National Security and Cybersecurity assessments, configuring enterprise tools such as Splunk Enterprise, IDS/IPS, firewalls, and vulnerability management platforms, and conducting network and security analysis using tools like Wireshark and Tenable.…See more The engineer will leverage automation, scripting, APIs, and generative AI to improve cybersecurity operations while supporting the full acquisition, integration, deployment, and sustainment lifecycle for DoD Computer Network Defense requirements.

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.