Security Engineer Jobs in San Diego, CA
Varsity Tutors
San Diego, CA
We recruit the kind of technologists and operators you’d bet on as solo founders - people who turn ambiguous problems into shipping code, iterate faster than markets move, and compound their advantage with every data point. If you’re a technically minded builder who thrives on open competition, personal responsibility, and the chance to redefine how the world learns - while continually stretching the limits of what generative AI can do - come do the most ambitious and rewarding work of your career here.
*US AMR-Jones Lang LaSalle Americas, Inc.
San Diego, CA
Business, Communication, Computerized Maintenance Management Systems (CMMS), Construction, Construction Projects, Continuous Improvement, Corrective and Preventive Action (CAPA), Cost Savings, Customer Follow-Ups, Facility Management, Failure Analysis, Failure Investigation, Maintenance Strategy, Operating Costs, People Management, Planning, Planning Ability, Predictive Maintenance, Problem Solving, Regulatory Compliance, Reliability Centered Maintenance (RCM), Root Cause Failure Analysis (RCFA), Technical Knowledge, Thermography, Vibration Analysis. Performs/supports operational event and equipment failure investigations to ensure that the root cause/causal factors have been identified, corrective actions prescribed, and follow-up monitoring conducted as applicable, to determine effectiveness.
L3Harris Technologies
$106500 - $197500
San Diego, CA
L3Harris in San Diego, CA is seeking an experienced Power Supply Design Engineer with a strong background in analog circuit design with emphasis on DC-DC Switched Mode power supply design and development to work on Telemetry and RF products. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
L3Harris Technologies
$125000 - $232000
San Diego, CA
As a Senior Specialist FPGA Engineer, you will play a critical role in the design, development, and implementation of high-performance Field-Programmable Gate Arrays (FPGAs) for cutting-edge communications applications. Your strong analytical skills, attention to detail, and ability to manage multiple projects simultaneously will enable you to deliver high-quality FPGA solutions that meet stringent performance, reliability, and cost requirements.
Jobot
$90000 - $120000
El Cajon, CA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 4. Ensure system and product quality by designing testing methods, testing finished products and system capabilities, and confirming fabrication, assembly, and installation processes.
Akraya Inc.
San Diego, CA
Most recently, we were recognized Inc's Best Workplaces 2024 and Silicon Valley's Best Places to Work by the San Francisco Business Journal (2024) and Glassdoor's Best Places to Work (2023 & 2022)! This role involves crafting new strategies for solving existing security problems, improving incident response protocols, and deploying innovative security measures.
Diverse Linx
San Diego, CA
Experience with supporting the tools for new mergers and acquisitions. We promote and support a diverse workforce across all levels in the company.
L3Harris Technologies
$125000 - $232000
San Diego, CA
With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. • Project Leadership: Lead multi-disciplinary engineering teams through the entire systems engineering lifecycle, from concept development to system deployment and maintenance.
Innoflight LLC
San Diego, CA
Investigate & Resolve Issues: Perform in-depth analysis of test anomalies and vulnerabilities, working with hardware, software, and FPGA teams to troubleshoot and resolve findings. Build Automation Capabilities: Create and enhance Python-based test automation frameworks to improve efficiency, repeatability, and reliability of security testing.
Hologic
San Diego, CA
Our Software Engineering (R&D) department in our Diagnostics division is looking for a Security Engineer experienced in medical device and/or instruments security and systems to join our team, pivotal in building and enhancing security in our products and services! + Maintain vigilance on industry security threats, assess risks to Hologic products, and manage these risks according to established quality procedures.
San Diego, CA
We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google’s needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve.
ServiceNow, Inc.
$147300 - $257800
San Diego, CA
For positions requiring access to controlled technology subject to export control regulations, including the U.S. Export Administration Regulations (EAR), ServiceNow may be required to obtain export control approval from government authorities for certain individuals. Learn more here (https://www.servicenow.com/content/dam/servicenow-assets/public/en-us/doc-type/other-document/careers/new-world-of-work-personas.pdf) .
Elastic
San Diego, CA
Technical Leadership: Act as a principal voice in architectural and design discussions, guiding the security posture and development practices of Elasticsearch and the Elastic Stack, and driving long-term security strategy within the team and across the organization. • Cross-Team Teamwork: Act as the primary technical point of contact for security features, driving alignment and integration with search, AI, cloud, and operations teams to ensure consistent security posture across the Elastic Stack.
Tactical Engineering & Analysis
$120000 - $150000
San Diego, CA
They will play a supporting role in achieving the organization's goals by keeping operating systems up to date with the latest DISA STIGs, AWS EC2 instance administration, and developing automated pipelines for cloud and HWIL environments. Ability to perform the following independently, under minimum supervision: Participate in designing and implementing scalable, reliable, and secure infrastructure on project-specific cloud platforms under senior team guidance.
GALT
$165000 - $190000
San Diego, CA
Job Overview: GALT Aerospace is looking for a full-time, salaried Senior DevSecOps Platform Engineer, who will play a key role in building, maintaining, and securing development and DevSecOps infrastructure across multiple aerospace projects. This position allows a hybrid work structure, under which an employee can work remotely for up to 2 days per week, between Tuesday and Thursday, after completing a probationary period and based on demands of specific tasks.
Tactical Engineering & Analysis
$120000 - $150000
San Diego, CA
Develop and maintain accurate and up to date documentation of system designs, System Requirement Document (SRD), System Requirement Specification (SRS), software user manuals, configurations, requirement traceability matrices, risk assessments, System Engineering Management Plan, Interface control documents, version description documents, fault tree assessments. Maintain accurate and up to date documentation of system designs, System Requirement Document (SRD), System Requirement Specification (SRS), software user manuals, configurations, requirement traceability matrices, risk assessments, System Engineering Management Plan, Interface control documents, version description documents, fault tree assessments.
GALT
$109000 - $145000
San Diego, CA
GALT Aerospace provides simple, effective information capabilities to support all levels of war and drive information to the lowest levels possible, enabling faster decision cycles and decisive results. Founded in 2015, Global Air Logistics and Training, Inc. (GALT Aerospace) a rapid innovator, solving the world's critical security challenges to enable warriors to win.
A2e Technologies
San Diego, CA
Any unsolicited resumes sent to A2e, including unsolicited resumes sent to a A2e mailing address, fax machine or email address, directly to A2e employees, or to A2e’s resume database will be considered A2e property. Administer and maintain Azure Active Directory (Entra ID), including user lifecycle management, Conditional Access, MFA, and role-based access control (RBAC).
Proofpoint
San Diego, CA
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows.
Tactical Engineering & Analysis
San Diego, CA
Maintain accurate and up to date documentation of system designs, System Requirement Document (SRD), System Requirement Specification (SRS), software user manuals, configurations, requirement traceability matrices, risk assessments, System Engineering Management Plan, Interface control documents, version description documents, fault tree assessments. Participate in the systems engineering life-cycle by supporting and assisting with key activities across all phases, including requirements analysis, system design and architecture, implementation and integration, testing and verification, documentation, troubleshooting and maintenance, and collaboration.
Scientific Research Corporation
San Diego, CA
Providing support during Pre-Installation Test and Checkout (PITCO) and System Operational and Verification Testing (SOVT), to include a complete end-to-end test of the radio systems both in a controlled lab environment and onboard naval submarines . Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions.
Gnostech
$95000 - $110000
San Diego, CA
Gnostech is seeking a skilled Hardware-Software Integration and Installation Engineer to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and Oceanography (METOC) In-Service Engineering (ISEA) Programs. The desired individual is a highly skilled technology professional who will be responsible for integrating and maintaining complex hybrid systems that combine software, web/cloud, and hardware components.
Kura Oncology
$156586 - $185630
San Diego, CA
Enrollment in a Phase 2 registration-directed trial of ziftomenib in R/R NPM1-mutant AML has been completed, and in the second quarter of 2025, the companies announced the FDA's acceptance of a New Drug Application for ziftomenib for the treatment of adult patients with R/R NPM1-mutant AML and assignment of a Prescription Drug User Fee Act target action date of November 30, 2025. This role is responsible for strengthening the company's security posture, supporting regulatory and audit requirements, and ensuring continuous improvement of detection, response, and risk management capabilities in a highly regulated life sciences environment.
Proofpoint
San Diego, CA
Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows.
Scientific Research Corporation
San Diego, CA
Ability to apply the principles and techniques of computer science, engineering, and mathematical analysis to the design, development, testing, and evaluation of the software and systems that enable computers to perform their many applications. Proficiency in programming languages relevant to General Purpose Processors (GPP), Digital Signal Processors (DSP), and Field Programmable Gate Arrays (FPGA) is highly desirable.
Scientific Research Corporation
San Diego, CA
Excellent analytical, problem-solving, and communication skills to effectively manage complex projects, collaborate with cross-functional teams, and communicate technical concepts to both technical and non-technical audiences. Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions.
Scientific Research Corporation
San Diego, CA
Excellent analytical, problem-solving, and communication skills to effectively manage complex projects, collaborate with cross-functional teams, and communicate technical concepts to both technical and non-technical audiences. Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions.
Scientific Research Corporation
San Diego, CA
Designing, developing, testing, and overseeing the manufacture and installation of electrical equipment, components, and systems that support DoD communication networks and related mission‑critical platforms. Minimum three years of full‑time professional engineering experience, including at least one year directly performing design, development, testing, or supervision of electrical systems for DoD communication networks or related infrastructure.
Technology Unlimited Group
San Diego, CA
Technology Unlimited Group (TUG) seeks a highly motivated System Engineer who will be responsible for the creation of network interoperability concepts and prototypes for networks formed from multiple mobile platforms using RF links. · Experience with technical documents including System Performance Specifications (SPS), System Design Document (SDD), Interface Requirements Specification (IRS), Interface Design Documents (IDDs) or equivalents.
Kratos Defense
San Diego, CA
Experience in the design, installation, maintenance, and management of complex network systems that typically link numerous computing platforms, operating systems, and network topologies. You will be a team member of a small team at a U.S. Navy lab required to support development efforts, including design, integration, lab testing, and field testing.
Sigma Defense
$75000 - $150000
San Diego, CA
Configure, install, and maintain network equipment, software and services across Navy Enterprise Network architecture to include switching, routing, firewall, proxy, wireless, call managers, network access control, voice over IP, and network time services. The hired candidate will design, configure, secure, automate, and document high-availability networks in both shipboard and lab environments while supporting the full lifecycle from installation through sustainment.
Fuse Integration
$150000 - $190000
San Diego, CA
This role will be a critical member of a talented team of engineers that demonstrate superb technical competency, delivering mission critical communications systems and ensuring the highest levels of availability, performance, and security. This role will support the agile development of innovative communications, networking, and computing solutions for U.S. defense agencies that improve the sharing of information among warfighters distributed throughout airborne, maritime, and ground environments.
Tactical Engineering & Analysis
$120000 - $150000
San Diego, CA
They will play a supporting role in achieving the organization's goals by developing detailed test plans and procedures, conducting interoperability and waveform testing, analyzing message traffic and performance metrics, and documenting deficiencies to support corrective action and regression testing. The Test Specialist/Engineer is responsible for supporting laboratory, ground, and flight test events to verify MIDS JTRS and airborne ATDL system compliance with MIL-STD-6016, STANAG 5516, and program-specific performance requirements.
ActioNet, Inc
$120000 - $155000
San Diego, CA
ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security, and IT Managed Services. This role requires designing and optimizing enterprise wireless networks, conducting predictive and on-site heat maps for Wi-Fi coverage, and implementing secure authentication mechanisms.
Monarch Quantum
$150000 - $190000
San Diego, CA
Lead the organization’s interaction with the Defense Counterintelligence and Security Agency (DCSA), specifically managing the transition from a startup environment through its first successful security audit. Maintain architecture oversight by partnering with engineering to integrate "secure-by-design" principles into cloud-native and quantum-hybrid architectures.
Sigma Defense
$110000 - $175000
San Diego, CA
The candidate will be responsible for system hardening, implementing Security Technical Implementation Guides (STIGs), supporting Risk Management Framework (RMF) accreditation packages, and responding to cybersecurity audits and scan findings across classified and unclassified networks. Experience with tools such as Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP), Endpoint Security Solution (ESS), and Security Information and Event Management (SIEM) are highly desired.
Precise Systems
$185000 - $195000
San Diego, CA
Powered by our highly skilled workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs with solutions in Digital Transformation, Advanced Engineering, Physical Sciences Research, Platform Lifecycle Support, and Technical Services. Ability to perform required work aboard Navy vessels and in shipboard environments, including navigating narrow passageways, ascending, and descending ladders (stairwells), working on elevated platforms, and operating in variable sea conditions.
Precise Systems
$175000 - $225000
San Diego, CA
Powered by our highly skilled workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs with solutions in Digital Transformation, Advanced Engineering, Physical Sciences Research, Platform Lifecycle Support, and Technical Services. Precise Systems is seeking an experienced Data Engineer to support a transformational, Navy-led network-centric initiative that converges existing systems, automating the correlation of multiple ISR data streams, dramatically reducing the "sensor-to-shooter" timeline.
Galapagos Federal Systems LLC.
$170000 - $180000
San Diego, California
We deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. The Senior Systems Engineer will support PMW 160 and Navy C4I programs by leading the transition of emerging technologies (TRL 5 and below) into fully operational DoD C4I systems.
ActioNet, Inc
San Diego, CA
Estimated Salary Range: $125,000/yearIn this role, you will: As the C2 Network Engineer, your tasks will include:Install, modify, and troubleshoot LANs, WANs, and Virtual Networks at all levels of the Open Systems Interconnection (OSI) reference model Layer-1 (Physical), Layer-2 (Data), Layer-3 (Network), and Layer-4 (Transport). Investigate emerging LAN, WAN and Virtual Network technologies, to include those employed in USMC tactical networks, which provide a greater benefit to the current test and USMC tactical networks per the OSI Reference Model Layer-1 (Physical), Layer-2 (Data), Layer-3 (Network), and Layer-4 (Transport) solutions.
Galapagos Federal Systems LLC.
$130000 - $140000
San Diego, California
The successful candidate will leverage their experience in systems engineering to collaborate with stakeholders, coordinate with multidisciplinary technical teams, maintain system documentation, and deliver secure, reliable, and effective solutions that advance mission readiness. We deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services.
Forward Slope
$95000 - $135000
San Diego, CA
The candidate will support the architecture development and detailed design, integration, installation, testing of, and training on border and coastal surveillance systems, primarily on international projects tied to Foreign Military Sales (FMS) cases. In order to qualify for this position, the candidate must be a US Citizen and either currently possess this National Security eligibility or be able to complete the investigation application process with a favorable determination and maintain that eligibility throughout their employment.
Tactical Engineering & Analysis
$80000 - $100000
San Diego, CA
They will play a supporting role in achieving the organizations goals by providing C2P and Tactical Data Link (TDL) subject matter expertise in the coordination, execution, analysis and reporting of test events in a controlled testing environment. The Test Engineer is responsible for providing support to the Naval Information Warfare Center (NIWC) Pacific by supporting the Command and Control Processor Modernization (C2P Mod) testing effort.
GALT
$115000 - $140000
San Diego, CA
GALT Aerospace is seeking an experienced, full-time, salaried, Manufacturing Engineer to drive process excellence in the production of mission-critical aircraft pod-based communications systems. GALT Aerospace provides simple, effective information capabilities to support all levels of war and drive information to the lowest levels possible, enabling faster decision cycles and decisive results.
Blue Marble Communications
Poway, CA
Minimum 7-10 years of experience with design, analysis, and test of one of the following: ruggedized electronics, opto-mechanical systems, or precision mechanisms; ideal candidate would also have experience with designing flight hardware for space or airborne applications. The ideal candidate brings deep technical expertise and strong problem-solving ability, capable of independently resolving complex design challenges and translating system requirements into robust, high-performance hardware solutions.
Fuse Integration
$125000 - $155000
San Diego, CA
We are a technology firm creating in-house software, network and hardware solutions that support our noble cause of advancing warfighter capabilities with elegant, user-focused communications, networks, and software systems. Fuse builds innovative communications, networking, and computing solutions that improve the sharing of information, video, text, and voice among operators distributed throughout the airborne, maritime, and ground environments.
Elastic
San Diego, CA
By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. For example, Debugging Azure Networking for Elastic Cloud Serverless is part of our efforts, and we want your experience to contribute to a truly exceptional customer experience.
Precise Systems
$150000 - $180000
San Diego, CA
Experience providing input in the review and analysis of Acquisition Engineering documentation for programs in the RDT&E lifecycle, e.g., DoDAF Artifacts, Symantec Endpoint Protections (SEPs), Cybersecurity Strategy, System-Level Continuous Monitoring (SLCM) strategy, System Security Accreditation Plans, and System Design Specification (SDS), Human System Integration (HSI) requirements and plans, System test and quality assurance plans to include TEMPs, Independent Verification and Validation (IV&V) plans, Software Development and Software Management Plans. Powered by our highly skilled workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs with solutions in Digital Transformation, Advanced Engineering, Physical Sciences Research, Platform Lifecycle Support, and Technical Services.
Fuse Integration
$150000 - $190000
San Diego, CA
We are a technology firm creating in-house software, network and hardware solutions that support our noble cause of advancing warfighter capabilities with elegant, user-focused communications, networks, and software systems. . Fuse builds innovative communications, networking, and computing solutions that improve the sharing of information, video, text, and voice among operators distributed throughout the airborne, maritime, and ground environments.
General Atomics
Poway, CA
Typically requires a bachelors degree, masters degree or PhD in engineering or a related technical discipline from an accredited institution and progressive engineering experience as follows; six or more years of experience with a bachelors degree, four or more years of experience with a masters degree, or two or more years with a PhD. + Proactively identify, investigate, and propose resolutions to issues that could impact the network/server infrastructure utilized by customers to support mission operations.