• Network Engineer / Secret

    Lockheed Martin (Huntsville, AL)
    …Lockheed Martin Enterprise Operations \(EO\) is actively seeking an experienced network engineering professional to support our Space business area classified ... securing, hardening, remediating, troubleshooting, testing, upgrading and decommissioning of network switches, routers, firewalls, IDS/IPS, encryptors, physical cabling, protected… more
    Lockheed Martin (12/05/25)
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  • Network Engineer , Sr…

    Lockheed Martin (Fort Worth, TX)
    **Description:** This position is to join the Classified Network Operations Team Supporting LM Aeronautics in Fort Worth, Texas\. This position will support ... classified network infrastructure covering maintenance, troubleshooting and daily operations supporting...with customers, key stakeholders, clearly communicating requirements\. \- Active Secret Clearance \(with ability to obtain Top Secret more
    Lockheed Martin (11/26/25)
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  • Principal Network Engineer

    RTX Corporation (Tewksbury, MA)
    …develop new capabilities, and improve existing capabilities. We are looking for a network engineer who can support this vital mission. The RTX Classified ... Concord - Building 3, Tewksbury, MA, 01876 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and… more
    RTX Corporation (11/04/25)
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  • Network Engineer , Staff…

    Lockheed Martin (Courtland, AL)
    …performed on\-site, including some off\-shift hours, weekends, and occasional travel\. This network engineer will be responsible for the following: \- Enterprise ... **Description:** We are seeking a Network Administrator to work on the Theater Strike...\-Implementation, analysis, support and troubleshooting of closed environments \-Active Secret clearance required \-Must be a self\-starter who can… more
    Lockheed Martin (12/04/25)
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  • IT Systems Engineer , Sr / Top…

    Lockheed Martin (King Of Prussia, PA)
    …expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in providing support for these complex ... remediating, testing, upgrading and decommissioning of data center equipment, network switches, virtual servers, physical servers, client workstations and … more
    Lockheed Martin (11/07/25)
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  • Network Engineer , Principal…

    RTX Corporation (El Segundo, CA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current ** Network Engineer , Principal Specialist** **Raytheon ... Digital Technology** **Classified Infrastructure Services** **El Segundo, CA Onsite position - Top Secret Clearance Required**...Corporation Raytheon is looking an experienced Network Engineer with a US DoD Top- Secret clearance… more
    RTX Corporation (11/28/25)
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  • Senior Network Engineer - Top…

    General Dynamics Information Technology (Arlington, VA)
    …Aruba Networks (HPE), CompTIA Security+ CE | CompTIA - CompTIA, Brocade Certified Network Engineer (BCNE) | Broadcom - Broadcom, Juniper Networks Certified ... Required:** Yes **Job Description:** **Transform technology into opportunity as a Senior Network Engineer at GDIT. Shape what's next for mission-critical… more
    General Dynamics Information Technology (11/11/25)
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  • Secure Infrastructure Design Developer (Senior/…

    RTX Corporation (Richardson, TX)
    …**This position is 100% onsite in Richardson, TX, and requires a DoD Secret clearance. Top Secret Preferred. Occasional travel (up to 10%) may be required ... E Renner Rd , Richardson, TX, 75082-2402 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable… more
    RTX Corporation (11/12/25)
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  • Network Engineer ( Onsite )

    RTX Corporation (Cedar Rapids, IA)
    …**Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Sr. Network Engineer to join their team! The Senior Network Engineer ... This position involves hands-on administration, implementation, and troubleshooting of enterprise network systems. **_** This position is based onsite in… more
    RTX Corporation (11/13/25)
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  • Network Engineer (Tactical Networks…

    General Dynamics Information Technology (San Diego, CA)
    …Required:** Yes **Job Description:** Transform networks into operational edge as a ** Network Engineer ** with GDIT. You'll architect, integrate, and sustain ... artifacts. **WHAT YOU'LL NEED TO SUCCEED (Required):** + **Security Clearance:** Active Secret clearance. + **Experience:** + 2+ years network engineering… more
    General Dynamics Information Technology (09/28/25)
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  • Engineer Associate (Tactical Network

    General Dynamics Information Technology (San Diego, CA)
    …Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** Professional Engineering **Skills:** ... Launch your engineering career on the Navy's front lines as an ** Engineer Associate** with GDIT. You'll support Naval Information Warfare Center Pacific (NIWC… more
    General Dynamics Information Technology (09/28/25)
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  • Senior. Principal. Network Engineer

    RTX Corporation (Aurora, CO)
    …tough, meaningful problems that create a safer, more secure world. The **Senior. Principal Network Engineer ** will Lead a small team of Network engineers, ... Building S75, Aurora, CO, 80011 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...associated security practices. We are seeking a **Senior. Principal Network Engineer ** to work in our Aurora,… more
    RTX Corporation (11/21/25)
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  • Hardware Engineer (Tactical Network

    General Dynamics Information Technology (San Diego, CA)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations ... Yes **Job Description:** Transform technology into opportunity as a **Hardware Engineer ** with GDIT. A career in Tactical Networks hardware engineering means… more
    General Dynamics Information Technology (09/28/25)
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  • Engineer (Tactical Network - CANES)…

    General Dynamics Information Technology (San Diego, CA)
    …**WHAT YOU'LL NEED TO SUCCEED (Required):** + **Security Clearance:** Active Secret clearance. + **Experience:** 2+ years in systems/ network engineering ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** Professional Engineering **Skills:**… more
    General Dynamics Information Technology (09/28/25)
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  • Principal Radar Processing and Network

    RTX Corporation (Tewksbury, MA)
    …Assabet - Building 1, Tewksbury, MA, 01876 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (11/15/25)
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  • Information Systems Security Officer (ISSO)…

    Lockheed Martin (Orlando, FL)
    …foster collaborative team environments\. * Active U\.S\. government security clearance \( Secret or higher\) with eligibility for classified or sensitive projects\. ... Experience in SAP/SCI/Collateral environments and knowledge of government contractor network interconnectivity arrangements\. * Comfortable presenting to large audiences… more
    Lockheed Martin (10/25/25)
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  • Systems Engineer - Interface…

    Lockheed Martin (Colorado Springs, CO)
    …Security, and enhancing critical missile defense technologies\. **The Work** The Interface Engineer will lead in authoring the development of ICDs and IDDs\. This ... sensors, and other Command and Control Systems\. The Interface Engineer will ensure the ICDs and IDDs created are...processing rules; message formatting \(e\.g\. XML, VMF, et al\); physical/ network specifications and models, to include the ISO OSI… more
    Lockheed Martin (09/17/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …career that's built for you\. Lockheed Martin Space is seeking a **Senior Staff RF Engineer ** to join our team in **Littleton, CO** \! Come join the Lockheed Martin ... Missile Defense, and more\. As a Senior Staff RF Engineer within Lockheed Martin Space, you will perform the...Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates… more
    Lockheed Martin (11/09/25)
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  • Project Engineer III ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …enhancing leading\-edge missile defense technologies\. **The Work** The project engineer will plan, execute, and coordinate complex, multi‑disciplinary engineering ... \(https://www\.lockheedmartin\.com/en\-us/products/command\-control\-battle\-management\-communications\-c2bmc\.html\) **Who You Are** You are a results‑driven Project Engineer with experience delivering multi‑disciplinary projects, fluent in Agile… more
    Lockheed Martin (11/26/25)
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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …Flight and Interplanetary Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the following: * Support ... Citizen\. * Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates will be required… more
    Lockheed Martin (10/22/25)
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