• Senior Security Systems Engineer

    Cydecor, Inc. (Crystal City, TX)
    …and complete OS/Computer Environment (CE) training within six (6) months of hire. Security Clearance : + Active Top Secret or higher required (SCI eligibility ... what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems engineering for US Naval warfare… more
    Cydecor, Inc. (12/21/25)
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  • Principal Laser Engineer

    RTX Corporation (Mckinney, TX)
    …a security clearance ** Security Clearance :** DoD Clearance : Secret Principal Optical Engineer The Optics and Lasers Technology Development (OLTD) ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is...tactical advantage for our customers. The qualified Principal Optical Engineer will be responsible for applying their knowledge and… more
    RTX Corporation (10/29/25)
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  • PSAB: Project Mechanical Engineer (Secret…

    KBR (Houston, TX)
    …6 blank visa/stamp pages remaining + Must have and maintain a valid U. S. SECRET Security Clearance + Must be able to read, write, speak and understand English ... Title: PSAB: Project Mechanical Engineer (Secret Clearance ) Belong, Connect, Grow, with KBR! KBR Government Solutions delivers full life cycle professional and… more
    KBR (12/24/25)
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  • THAAD Field Engineer (OCONUS…

    NANA Regional Corporation (El Paso, TX)
    …+ US citizenship. + Able to obtain US Passport. + Must possess an active security clearance SECRET level or higher. + CompTIA Security + certification or ... The successful candidate will function as a Field Engineer with the Terminal High Altitude Area Defense (THAAD) Missile Defense System out of the Kingdom of Saudi… more
    NANA Regional Corporation (11/21/25)
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  • Cloud Security Engineer (Level 3…

    Northrop Grumman (San Antonio, TX)
    …SCI eligibility + Ability to obtain and maintain Special Access Program (SAP) clearance + In-depth knowledge of security standards and government policies (eg, ... seeking a highly skilled and motivated Principal Cyber Systems Engineer to join our dynamic engineering team. This role...Ability to obtain and maintain Special Access Program (SAP) clearance + In-depth knowledge of security standards… more
    Northrop Grumman (11/12/25)
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  • Cyber Security Engineer Staff…

    Lockheed Martin (Grand Prairie, TX)
    **Description:** You will be a Cyber Security Engineer in the Program Protection Organization\. Our organization oversees all aspects of Anti\-Tamper and ... Business\. **What You Will Be Doing** As the Cyber Security Engineer You will be responsible for...\*Must be able to obtain an Interim DoD Secret Security Clearance prior to beginning employment, and… more
    Lockheed Martin (12/10/25)
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  • Cyber Systems Security Engineer

    Lockheed Martin (Grand Prairie, TX)
    **Description:** You will be a Cyber Systems Security Engineer in the Program Protection Organization\. Our organization oversees all aspects of Anti\-Tamper and ... **What You Will Be Doing** As the Cyber Systems Security Engineer you will be responsible for...SP 800\-53 Security Controls on DoD systems ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (11/07/25)
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  • Associate Director, CDS WAN Service Lead (Top…

    RTX Corporation (Mckinney, TX)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...SD-WAN Design - ENSDD, Palo Alto Networks Certified Network Security Engineer - PCNSE) + ITIL Foundations… more
    RTX Corporation (12/25/25)
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  • Network Security Engineer - Palo…

    System One (Dallas, TX)
    Network Security Engineer - Palo Alto Contract to Hire Per federal contract requirements must be a US citizen Clearance : Successful completion of a Public ... Trust background investigation and/or a Public Trust clearance is required Location: On-site Arlington, VA / Dallas,...$105,000 to $110,00 range annually, plus benefits The Network Security Engineer role requires extensive Palo Alto… more
    System One (12/26/25)
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  • Cyber Systems Security Engineer

    Lockheed Martin (Fort Worth, TX)
    …data volumes Knowledge of implementing STIGs and addressing cyber vulnerabilities\. A Secret security clearance or higher with investigation within the last 6 ... right munitions to accomplish their missions\. Seeking well\-rounded experienced engineer with strong background in real\-time and heterogeneous laboratory...years ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (12/11/25)
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