• Principal Cybersecurity

    Leidos (Linthicum Heights, MD)
    …Program? Well, look no further! Leidos is currently looking to add a Sr. Systems Engineer to an Information Assurance Program near Ft. Meade, MD. The ... integration, and testing of specific components of complex hardware/software systems to include requirements elicitation, analysis and functional allocation,… more
    Leidos (01/13/26)
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  • Principal Systems Engineer

    V2X (Suitland, MD)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to ... the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/15/25)
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  • Information Systems Security…

    Amentum (Fort Meade, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer ** to join our team of ... processes. **Responsibilities:** The **Senior Information Systems Security Engineer (ISSE)** shall deliver and lead threat-informed cybersecurity...* 15 years of experience as a Cyber Security Engineer or Systems Engineer *… more
    Amentum (10/23/25)
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  • CCSS Principal Systems

    RTX Corporation (Springfield, VA)
    …a safer, more secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated ... in Washington, DC and involves supporting the WHCA Secure Voice Network (WHSVN) C2 systems and acquisition projects. These efforts are in support of the Command and… more
    RTX Corporation (11/13/25)
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  • UC Engineer - Principal

    Amentum (Fort Meade, MD)
    …new products and processes. **Responsibilities:** The duties and responsibilities of the UC Engineer Principal include, but are not limited to, the following: * ... Intel space? If so, look no further. Amentum is seeking an Unified Capabilities (UC) Engineer to join our team of passionate individuals in Ft. Meade, MD. In this… more
    Amentum (12/09/25)
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  • Principal Network Engineer

    Leidos (Odenton, MD)
    **Description** Leidos is seeking a ** Principal ** **Network Engineer ** to join our Defense Enclave Services (DES) team at **Ft. Meade, MD.** This is an exciting ... your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA) migration to the Department of Defense's Fourth Estate… more
    Leidos (01/15/26)
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  • Principal System Engineer /Program…

    KBR (Chevy Chase, MD)
    Title: Principal System Engineer /Program Portfolio Manager Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (12/20/25)
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  • Principal Software Engineer - SIGINT…

    Lockheed Martin (Hanover, MD)
    …going to provide life\-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection\. * You will modernize and sustain capabilities ... providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale...that keeps modern life moving\. Here, you'll work with cybersecurity experts on the forefront of threat protection and… more
    Lockheed Martin (01/08/26)
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  • Principal Security Engineer

    Oracle (Washington, DC)
    …security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would ... Identity Governance etc. + Expertise in Encryption, Key management, Cybersecurity fundamentals (eg, access controls, common software vulnerabilities, and security… more
    Oracle (11/25/25)
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  • Principal Sensor Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... Summary: MITRE's Sensors, Electromagnetics and EW Department-within MITRE Labs' Electronic Systems and Technologies Innovation Center is a broad and experienced team… more
    The MITRE Corporation (12/05/25)
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  • Principal Information Assurance Subject…

    DCCA (Fort Meade, MD)
    Principal Information Assurance Subject Matter Expert Location Fort Meade, MD Job Code 2494 # of Openings 1 Apply Now ... competitive compensation and benefits package. Visit our website at: www.dcca.com Principal Information Assurance Subject Matter Expert Candidate must have an active… more
    DCCA (12/21/25)
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  • Principal Solution Architect Generalist

    IT Concepts (Mclean, VA)
    …least 5 years in senior technical leadership roles such as Solution Architect, Chief Engineer , or Systems Engineer . + Enterprise Implementation Success - ... spark innovation, and achieve extraordinary milestones. Kentro is seeking a Principal Solution Architect Generalist who bridges strategy and execution, an enterprise… more
    IT Concepts (11/06/25)
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  • Endpoint Detection and Response (EDR) Cyber…

    General Dynamics Information Technology (Washington, DC)
    …NEED TO SUCCEED: Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Principal must have: o Experience: 5+ years of ... cybersecurity operations and enterprise endpoint protection. The EDR Engineer is responsible for engineering, deploying, integrating, and sustaining endpoint… more
    General Dynamics Information Technology (01/14/26)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …adjust security strategies and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk ... agency. The team provides Information Systems Security Officer (ISSO), Information Systems Security Engineer (ISSE), and Information Systems Security… more
    TekSynap (12/24/25)
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  • Information System Security Engineer (ISSE)…

    TekSynap (Washington, DC)
    …adjust security strategies and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk ... agency. The team provides Information Systems Security Officer (ISSO), Information Systems Security Engineer (ISSE), and Information Systems Security… more
    TekSynap (11/30/25)
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  • Senior Software Engineer - Multiple Levels

    Huntington Ingalls Industries (Columbia, MD)
    …with a range of professional experience. Below are the salary ranges: + Senior Software Engineer : $134,852 - $211,910 + Principal Software Engineer : ... Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...travel between 10-20 % of the time. Minimum Qualifications Principal Software Engineer (Software Engineer more
    Huntington Ingalls Industries (12/17/25)
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  • Information Systems Security…

    Koniag Government Services (Washington, DC)
    Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to support ... adjust security strategies and ensure sustained compliance. + Serve as a principal technical advisor on cybersecurity , bringing subject-matter expertise to risk… more
    Koniag Government Services (12/10/25)
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  • Information Systems Security…

    TekSynap (Washington, DC)
    …for role. + Mustmaintainrequired technical and security trainingrelativeto cybersecurity duties,in accordance withDoD instruction 8510.01, Risk Management Framework ... for DoD Systems , NIST Special Publication 800-53, Recommended Security Controls for...personnel, and Government security representatives. + Serve as a principal advisor to the Government and service laneleads on… more
    TekSynap (11/06/25)
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  • RF / DSP Software Engineer level 5

    Lockheed Martin (Hanover, MD)
    …We support our employees, so they can support our mission\. **THE WORK** As a Principal Software Engineer , my typical day is filled with excitement and energy as ... **Description:** **WHAT WE'RE DOING** Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step...that keeps modern life moving\. Here, you'll work with cybersecurity experts on the forefront of threat protection and… more
    Lockheed Martin (01/09/26)
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  • Air & Space Forces Center Chief Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... needed. The Air & Space Forces Center (A&SFC) Chief Engineer (CE) is a deep technical leader with a...leaders, and be able, as needed, to supervise senior principal technical staff as a work leader or direct… more
    The MITRE Corporation (01/06/26)
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