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20 network engineer sr secret onsite jobs found

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Lockheed Martin
Apr 21, 2026
Network Engineer, Sr / Secret / Onsite: Kings Bay, GA
Lockheed Martin Kings Bay Base, GA
Description: This position requires an active Secret clearance with the ability to obtain Top Secret clearance. This Lockheed Martin Information Systems Analyst position will support military Space Programs. This position receives day-to-day operations guidance from program staff and will report to the LM IS SWFLANT IT OPS Manager. This is an onsite role, working a 9x80 schedule (every other Friday off!!!). We are looking for a passionate and dedicated individual who is well-versed in Network Engineering and Windows System Administration - including a strong understanding of network, server, and storage environments. Responsibilities include: • Designing, implementing, and maintaining our server infrastructure, including hardware, software, and network components • Ensuring the security, integrity, and availability of our servers and data • Providing technical leadership and guidance to junior team members • Collaborating with other IT teams to ensure seamless integration...
Lockheed Martin
Apr 17, 2026
Dev Sec Ops Network Engineer, Sr / Secret / Onsite: GA or TX
Lockheed Martin Fort Worth, TX
Description: Join the Classified Network Operations Team supporting DevSecOps initiatives across Lockheed Martin Aeronautics’ high-impact programs. This position is integral to the secure deployment, maintenance, and automation of classified network infrastructure, ensuring compliance, resilience, and agility within a fast-paced, mission-critical environment. You will work hands-on to integrate security into every phase of the network lifecycle—from design and development to operations and monitoring—supporting Lockheed Martin’s strategic platforms including Advanced Development Programs (ADP), F-22, and JSF. • Serve as a DevSecOps engineer with a focus on secure network infrastructure, automating provisioning, compliance checks, and incident response across classified environments. • Maintain and secure network hardware, including Cisco switches, Palo Alto and Juniper firewalls, and Type 1 encryption devices. • Implement infrastructure as code (IaC) where applicable, and...
Lockheed Martin
Apr 16, 2026
Network Engineer Sr / Secret / Onsite: GA or TX
Lockheed Martin Fort Worth, TX
Description: This position is to join the Classified Network Operations Team Supporting LM Aeronautics in Fort Worth, Texas or Marietta, Georgia. This position will support classified network infrastructure covering maintenance, troubleshooting and daily operations supporting a single program within Lockheed Martin Aeronautics Advanced Development Program. The candidate selected will need to be a self-starter, able to work in fast paced environment and display strong communication skills as well as administer and maintain network infrastructure across multiple platforms. They will support day to day maintenance of hardware appliances such as Cisco Switches, Palo Alto and Juniper Firewalls and type 1 encryption. Candidate will support networking tools such as Cisco ISE, Cisco DNA Center and Cisco Call Manager. Also will be responsible for planned infrastructure upgrades, installation and cabling of network equipment. “In light of current internal business pressures,...
Lockheed Martin
Apr 16, 2026
Network Engineer, Sr / Secret / Onsite: TX or GA
Lockheed Martin Fort Worth, TX
Description: This position is to join the Classified Network Operations Team Supporting LM Aeronautics in either Fort Worth, TX or Marietta, GA. This position will support classified network infrastructure covering maintenance, troubleshooting and daily operations supporting all lines of business at Lockheed Martin Aeronautics, including ADP, IFG and the Joint Strike Fighter Program (JSF). The candidate selected will need to be a self-starter, able to work in fast paced environment and display strong communication skills as well as administer and maintain network infrastructure across multiple platforms. They will support day to day maintenance of hardware appliances such as Cisco Switches, Palo Alto and Juniper Firewalls and type 1 encryption devices with a heavy focus on Collaboration components. Candidate will support networking tools such as Cisco ISE, Cisco DNA Center and Cisco Call Manager. Also will be responsible for planned infrastructure upgrades, installation...
Lockheed Martin
Apr 21, 2026
Cyber System Security Engineer Sr
Lockheed Martin Fort Worth, TX
Description: Company Overview : At Lockheed Martin, we unite passionate individuals to drive purposeful innovation, ensuring safety and solving the world's most complex challenges. Our team comprises some of the brightest minds in the industry, making Lockheed Martin an exceptional place to work. We prioritize our employees by offering diverse career opportunities that promote development and agility. With flexible schedules, competitive pay, and comprehensive benefits, we empower our employees to lead healthy, fulfilling lives both at work and beyond. At Lockheed Martin, we emphasize innovation, integrity, and corporate responsibility. Your mission is ours. Key Responsibilities : The Cyber Systems Security Engineer Sr will be responsible for working with the team of fellow engineers in the designing, assembly, integration, and maintenance of a like family of different Command and Control (C2) System of Systems. This includes network planning, hardware installation, software...
General Dynamics Mission Systems, Inc
Apr 13, 2026
Advanced DevOps Specialist with Linux/RedHat
General Dynamics Mission Systems, Inc Dedham, MA
Basic Qualifications Education Requirements: Bachelor’s degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. Clearance Requirements: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position At General Dynamics Mission Systems, we create the technologies, products and services that help our nation’s heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of what’s possible. Here you’ll work with the best and your talent will be...
Lockheed Martin
Apr 07, 2026
Full Stack Engineer Sr Staff - Skunk Works© - Level 5
Lockheed Martin Fort Worth, TX
Description: We are Lockheed Martin You will be the Full Stack Engineer Sr Staff - Skunk Works© - Level 5 for the Aeronautics Ground Systems team which is responsible for delivering secure, high‑performance cloud and hybrid platforms that enable the nation’s most ambitious aeronautical missions. What You Will Be Doing As the Full Stack Engineer Stf - Skunk Works© - Level 5 you will be responsible for building resilient infrastructure, turning code into launch‑ready pipelines, and ensuring DoD‑mandated security at every layer. - Design, develop, and maintain secure CI/CD pipelines for platform deployment (RKE2, Rancher, etc.) - Implement Infrastructure‑as‑Code (IaC) using Terraform, Pulumi, CloudFormation, or PowerShell to automate and standardize environments - Enforce security standards across all code and infrastructure artifacts, ensuring continuous compliance - Manage multi‑network, hybrid‑cloud environments spanning AWS, Azure, and on‑premise resources - Support...
Lockheed Martin
Apr 01, 2026
Linux/Windows Systems Administrator
Lockheed Martin Manassas, VA
Description: WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we are inspired by innovation and integrity. We believe that by applying the highest standards of business ethics and creative thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training and education. Come and experience your future! THE WORK The Manassas Systems Administrator team is seeking to hire a full time Sr. Linux/Windows Systems Administrator. Responsibilities encompass: installing and uninstalling hardware and software (both COTS and bespoke applications), identifying and isolating faults, conducting volume backups, overseeing system monitoring and maintenance, providing user support, and resolving issues with internal and external network interfaces. WHO WE ARE Our customers are world-wide and so is our reputation for creating original solutions with the latest technologies. Our products keep our customers safe...
Lockheed Martin
Mar 13, 2026
Systems Engineer Sr
Lockheed Martin Mount Laurel Township, NJ
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary Mission Systems (RMS) in Mount Laurel, NJ is seeking a full time Sr. Systems Engineer. In this role, you will perform analysis, design, integration and test on mission critical software and hardware The successful candidate will have experience and/or knowledge of the Linux Operating System, troubleshooting product and system level issues. Candidate will be considered a product owner or scrum master or a Baseline Delivery Lead. This position is located at the facility that requires special access. Position requires a government security clearance. U.S. Citizenship required. Who We Are Lockheed Martin is a global aerospace, defense, and security company...
SAIC
Mar 11, 2026
Senior Desktop SCCM Engineer
SAIC VA
Description SAIC is seeking a Sr. Desktop Engineer (SCCM) for a new/exciting program out of Quantico, VA. (Must possess an active TS/SCI and Sec+ Certification.) Pending assigned duties/responsibilities, it is possible to work remote one (1) day a week. Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA). The Air Force and Combatant Commands Business Group of SAIC is seeking a Senior Desktop Engineer (SCCM) to support a transformational infrastructure program for DCSA. SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000...
Lockheed Martin
Feb 24, 2026
DevSecOps Systems Engineer Sr
Lockheed Martin Mount Laurel Township, NJ
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary Mission Systems (RMS) in Mount Laurel, NJ is seeking a full time Sr. DevOps Systems Engineer. In this role, you will perform analysis, design, integration and test on mission critical software and hardware The successful candidate will have experience and/or knowledge of the Linux Operating System, troubleshooting product and system level issues. Candidate will be considered a product owner or scrum master or a Baseline Delivery Lead. This position is located at the facility that requires special access. Position requires a government security clearance. U.S. Citizenship required. Who We Are Lockheed Martin is a global aerospace, defense, and security...
Lockheed Martin
Apr 08, 2026
Sr Software Engineer / Embedded HWIL / C++ / Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. As a Software Engineer Sr at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies on both existing and new development platforms. You will be helping us solve the world’s most difficult challenges supporting such wide-ranging domain areas such as aircraft flight command and control, air traffic...
Lockheed Martin
Apr 08, 2026
Software Engineer Senior - Embedded, Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. As a Software Engineer at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies on both...
Lockheed Martin
Apr 03, 2026
Europa Software Engineer - Senior / Embedded / C++ / Orlando, FL
Lockheed Martin Orlando, FL
Description: You will be a Sr. Software Engineer on our team at Lockheed Martin. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. What You Will Be Doing As a Sr. Software Engineer, your responsibilities...
Lockheed Martin
Mar 25, 2026
Software Engineer / Embedded HWIL / C++ / Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. As a Software Engineer Sr at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies on both existing and new development platforms. You will be helping us solve the world’s most difficult challenges supporting such wide-ranging domain areas such as aircraft flight command and control, air traffic...
Lockheed Martin
Mar 06, 2026
Sr Software Engineer / Embedded HWIL / C++ / Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. As a Software Engineer Sr at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies on both existing and new development platforms. You will be helping us solve the world’s most difficult challenges supporting such wide-ranging domain areas such as aircraft flight command and control, air traffic...
Lockheed Martin
Mar 06, 2026
Software Engineer Senior - Embedded, Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. As a Software Engineer at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies on both...
Lockheed Martin
Mar 03, 2026
Software Engineer / Embedded, Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of...
Lockheed Martin
Mar 03, 2026
Software Engineer / Embedded, Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of...
Lockheed Martin
Jan 23, 2026
EOTS Software Engineer - Senior / Embedded / C++ - Orlando, FL
Lockheed Martin Orlando, FL
Description: You will be a Senior Software Engineer on our EOTS team at Lockheed Martin. The Electro-Optical Targeting System (EOTS) is the world’s first sensor that combines forward-looking infrared (FLIR) and infrared search and track (IRST) functionality. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and...
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