218 systems engineer iii jobs found

Epsilon C5I, Inc. ( is seeking a Systems Engineer III with at least 4-8 years’ experience for work in San Diego, CA. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on! Summary: Develops system requirement specifications for mechanical, structural or electrical/electronic design by analyzing user's requirements, concept of operations documents and high-level system architectures. Duties and Responsibilities: Develops technical documentation. Develops system Architecture and system design documentation. Incorporates new plans, designs and systems into ongoing operations. Contributes to the technical direction for the development, engineering, interfacing, integration and testing of all components of complex hardware/software systems to include network analysis, functional allocation, systems requirements reviews, interface standards and system architectures....

Epsilon C5I ( focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Systems Engineer III / DevSecOps Engineer, with 4-8 years of experience, for work in San Diego, CA. Our engineering efforts provide the warfighter with common enterprise solutions to improve information sharing and combat effectiveness. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on! Summary: Our software team employs an Agile Scrum process to rapidly design, code, and integrate capabilities into a mature Platform as a Service (PaaS) solution. Work involves troubleshooting, securing Linux operating systems and networks, and securing containers and container platforms. The ideal person would be interested in System Architecture and Security, while also interested in the nitty gritty of security and system access control. Duties and...

Sigma Defense is seeking a Systems Engineer III to support PMW160 and NIWC Pacific for U.S. Navy Enterprise networks. The successful candidate will have an opportunity to shape capability delivery by providing system design, system development, systems integration, configuration, troubleshooting, and lifecycle engineering support for Navy IT networks and systems. The candidate will work closely with Navy stakeholders and partner teams to ensure applications and services are documented and integrated effectively. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Essential Job Duties (not all-inclusive): Design, Develop, enhance, integrate, and maintain software...

Sigma Defense is seeking an Application Systems Integration Engineer III to join our team in San Diego, CA. The Integration Engineer (IE) is responsible for providing detailed integration solution analysis during the ASI Process. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Essential Job Duties (not all-inclusive): Candidate will identify areas for improvement, innovation, simplification and subsequently take the lead on executing on those plans. Elaboration of integration requirements initially gathered by the Application Engineer. Act as liaison between Network POR Systems Engineering/tester and application provider. Develop integration solutions and...

NGEN is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) portion of NGEN, the Leidos team will deliver the core backbone of the Navy-Marine Corps Intranet, including cybersecurity services, network operations, service desk, and data transport. Ultimately, Leidos will support the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network. At Leidos, we know the most talented and diverse IT and Engineering professionals will always have a multitude of career choices; your time at Leidos will be a wise investment in your career and in yourself.  Leidos is currently seeking a Senior Network Engineer Architect to be location at Camp Pendleton, CA. The qualified candidate will conceptualize, design, and develop total system or product solutions for enterprise-wide information technology or...

Epsilon C5I ( focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Software Engineer III, with 4-8 years of experience, for work in San Diego, CA. Our engineering efforts provide the warfighter with common enterprise solutions to improve information sharing and combat effectiveness. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on! Summary: Our software team employs an Agile Scrum process to rapidly design, code, and integrate capabilities into a mature Platform as a Service (PaaS) solution. Work involves implementing new functionality, troubleshooting, and securing containers and container platforms. The ideal person would be security-focused and interested in solving practical software challenges, building modular web applications, and collaborating with a team to turn user needs into useful...

Epsilon C5I ( focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Cyber Security Engineer III with 4-8 years of experience for work in San Diego, CA. Our engineering efforts provide the warfighter with tools to support critical support to operational missions to improve targeting capabilities. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on!  Summary:   The Cybersecurity Engineer shall be responsible for leading multiple efforts for system configurations maintaining authority to operate. The Cybersecurity Engineer conducts information system security engineering activities, such as capturing and tracking evolving information security requirements and ensuring the system maintains a strong security posture through purposeful design and configuration.  Duties and...

Epsilon C5I ( focused on software development and systems engineering for intelligence and combat systems, is seeking a Software Engineer III to join our team in designing and developing secure, mission-critical software solutions for high-assurance environments. The ideal candidate will have strong experience in Java, API development, and publish/subscribe architectures, along with a proven ability to deliver software in IL6 and IL7 environments. Key Responsibilities: Design, develop, and maintain Java-based applications and RESTful APIs. Implement publish/subscribe messaging architectures using technologies such as ActiveMQ or Kafka. Develop software solutions for classified environments (IL6 and IL7). Ensure compliance with cybersecurity requirements, including familiarity with RMF and secure coding practices. Collaborate with cross-functional teams to deliver high-quality, secure software solutions. Participate in code reviews, testing, and integration...

Sigma Defense is seeking a Network Security Engineer III to join our team in San Diego, CA. This position supports the enforcement of DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across CANES environments while leveraging expertise in ACAS, Trellix ESS, NetIQ Sentinel, and Splunk. This role requires hands-on system hardening, vulnerability management, and configuration automation via GitLab, GitHub, and Spork/Spork+. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Essential Job Duties (not all-inclusive): Implement and enforce DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across CANES systems. Design, Develop, implement and troubleshoot...

This posting states its location as Sacramento County rather than a street address. The work is assigned within that county. Excellence in the Business of Government!      Come join a team that creates:  A collaborative team atmosphere founded upon ethics, integrity, and stewardship.  A positive work environment that is open to change and invites its workforce to challenge processes.  An opportunity for individuals to utilize their knowledge, skills, and experience to grow within the department.  Under the direction of the Office Building Manager III, the Chief Engineer II in the Facilities Management Division (FMD) Joe Serna Jr. Building/CalEPA HQ supervises the daily building and engineering operations, maintenance, special projects and repairs of building systems including heating, ventilating, refrigeration, and air-conditioning systems, auxiliary electrical plants and other mechanical and power equipment in...

This posting states its location as San Bernardino County rather than a street address. The work is assigned within that county. Excellence in the Business of Government! Come join a team that creates: A collaborative team atmosphere founded upon ethics, integrity, and stewardship. A positive work environment that is open to change and invites its workforce to challenge processes. An opportunity for individuals to utilize their knowledge, skills, and experience to grow within the department. Under the direction of the Office Building Manager III, the Chief Engineer II in the Facilities Management Division (FMD) San Bernardino supervises the daily building and engineering operations, maintenance, special projects and repairs of building systems including heating, ventilating, refrigeration, and air-conditioning systems, auxiliary electrical plants and other mechanical and power equipment in State-owned and occupied buildings in accordance with FMD...

This posting states its location as Sacramento County rather than a street address. The work is assigned within that county. Excellence in the Business of Government!   Come join a team that creates: A collaborative team atmosphere founded upon ethics, integrity, and stewardship. A positive work environment that is open to change and invites its workforce to challenge processes. An opportunity for individuals to utilize their knowledge, skills, and experience to grow within the department. Under the direction of the Office Building Manager III, the Chief Engineer II in the Facilities Management Division (FMD) Central District Management Unit supervises the daily building and engineering operations, maintenance, special projects and repairs of building systems including heating, ventilating, refrigeration, and air-conditioning systems, auxiliary electrical plants and other mechanical and power equipment in State-owned and occupied buildings...

This posting states its location as Sacramento County rather than a street address. The work is assigned within that county. Excellence in the Business of Government!   Come join a team that creates:  A collaborative team atmosphere founded upon ethics, integrity, and stewardship.  A positive work environment that is open to change and invites its workforce to challenge processes.  An opportunity for individuals to utilize their knowledge, skills, and experience to grow within the department.  Under the direction of the Office Building Manger III, the Chief Engineer II in the Facilities Management Division (FMD) Labor & Workforce Development Agency supervises the daily building and engineering operations, maintenance, special projects and repairs of building systems including heating, ventilating, refrigeration, and air-conditioning systems, auxiliary electrical plants and other mechanical and power equipment in State-owned...

Sigma Defense is seeking a Network Engineer I-III to support the design, implementation, and sustainment of the Navy’s enterprise networks. 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. This includes working on DoD initiatives such as SD-WAN, IPv6 Migration, Zero Trust Networks and Cross-Domain Network solutions. They will work with SMEs in Cybersecurity, Systems Management, Systems Engineering, and Quality Assurance to learn the needs and goals of the system and shape the requirements of the network. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not...

General program information and/or position overview: Leidos’ Undersea Systems Division is seeking a QA/QC Manager in San Diego, CA to join a fast-paced R&D engineering group. This role is a unique opportunity to drive innovation in underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions at Naval Information Warfare Center, Pacific (NIWC PAC). Leidos’ USD is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms. We’re known for achieving “industry firsts” in the most challenging maritime domains. The selected candidate will be part of an elite, top-notch group and will be responsible for establishing, documenting, and enforcing a Quality Management System (QMS) across a multi-disciplinary project that integrates specialized sensor payloads into unmanned systems. This individual will...

APPOINTMENT TYPE:  This position is excluded by the Charter from the competitive Civil Service examination process and shall serve at the discretion of the Appointing Officer. The duration of this appointment shall not exceed 36 months. Applicants who are interested are encouraged to apply as soon as possible since the announcement may close at any time, but will not close any sooner than 5:00 pm on September 29, 2025. San Francisco Public Utilities Commission (SFPUC) Headquartered in San Francisco, we have 2,300 employees working in seven counties with a combined annual operating budget of over $900 million. Our Mission:  To provide our customers with high quality, efficient, and reliable water, power, and wastewater services in a manner that values environmental and community interests and sustains the resources entrusted to our care. Our Vision:  We are an innovative utility leader, recognized for excellent results in...

General Atomics Electromagnetic Systems (GA-EMS) designs and manufactures first-of-a-kind electromagnetic and electric power generation systems for defense, space, and energy applications. Our portfolio includes Aircraft Launch and Recovery Equipment (ALRE) such as the Electromagnetic Aircraft Launch System (EMALS) and Advanced Arresting Gear (AAG), satellite buses and electro-optical payloads, high energy laser (HEL) weapon systems, and advanced nuclear reactor technologies. We have an exciting opportunity for a Mechanical Engineer II to join our multidisciplinary engineering team. Under limited supervision, this position is responsible for the design, analysis, integration, and test of mechanical and electromechanical systems across one or more of the following product areas:  ALRE – electromagnetic launch and recovery hardware, energy storage subsystems, power conversion enclosures, and shipboard mechanical integration Space Systems – satellite bus structures, mechanisms,...

General Atomics Aeronautical Systems, Inc. (GA-ASI), an affiliate of General Atomics, is a world leader in proven, reliable remotely piloted aircraft and tactical reconnaissance radars, as well as advanced high-resolution surveillance systems. With general direction, this position is responsible for the development, administration and implementation of environmental programs in accordance with company and governmental requirements. Recommends and implements modifications to environmental program processes and procedures.  Develops programs to ensure compliance with required federal, state and local agencies.  Ensures records and documents are prepared, maintained and submitted to appropriate agencies.  Represents the company as a spokesperson with external regulators, auditors and government representatives.  This position involves the exercise of independent judgment and discretion about matters of significance. DUTIES AND RESPONSIBILITIES: Handle program...

General Atomics Aeronautical Systems, Inc. (GA-ASI), an affiliate of General Atomics, is a world leader in proven, reliable remotely piloted aircraft and tactical reconnaissance radars, as well as advanced high-resolution surveillance systems. We have an exciting opportunity for a Project Engineer (PE) specializing in RF sensors, antennas, electronically steered arrays (ESAs) and low observable (LO) integration. This PE will join our Agile Mission Systems (AMS) team here in San Diego in support of multiple advanced projects focusing on electromagnetic spectrum dominance. The ideal candidate will be a Project Engineer with experience in Advanced and Special Programs and will execute goals, document artifacts, and complete deliverables to internal and external customers using GA-ASI resources. The successful candidate will work hand-in-hand with Program Management, Chief Engineer, Spectrum Dominance IPT Lead, and other program leadership. Technical performance includes design,...

General Atomics Aeronautical Systems, Inc. (GA-ASI), an affiliate of General Atomics, is a world leader in proven, reliable remotely piloted aircraft and tactical reconnaissance radars, as well as advanced high-resolution surveillance systems. We are seeking a Senior Mission Systems Analyst (Engineer III) to join our Agile Mission Systems (AMS) Engineering team in San Diego, CA. In this role, you’ll support the development and application of simulation tools to explore and validate how advanced unmanned systems perform in complex missions involving military aircraft. You’ll develop custom algorithms and extensions to enhance simulation capabilities and help transform system ideas into tested concepts that support real-world defense goals. DUTIES & RESPONSIBILITIES: Support modeling and simulation efforts for military aircraft projects, analyzing mission effectiveness and system performance Build and run simulations using tools such as AFSIM and Command...