• Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …demos, and training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not ... best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems Engineer more
    Northrop Grumman (11/21/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an ... team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate… more
    Northrop Grumman (01/01/26)
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  • Principal Network Systems

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of ... implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage… more
    Saliense Consulting (01/06/26)
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  • Acquisition Systems Engineer

    SAIC (Chantilly, VA)
    …efforts as part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) ... in acquisition and execution of mission critical systems . The Acquisition Systems Engineer is part of a team of high-performing subject matter experts (SMEs)… more
    SAIC (11/21/25)
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  • Principal or Senior Principal

    Northrop Grumman (Fairfax, VA)
    …making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal or Senior Principal Network and Communications Field Service ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...filled at either the Principal Field Service Engineer OR Senior Principal Field… more
    Northrop Grumman (12/04/25)
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  • Senior Principal Software…

    Mastercard (Arlington, VA)
    …data-driven strategies and decisions. All About You: * Proven experience as a Senior Principal Engineer or equivalent in enterprise data architecture, ... people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer , Data Architecture Overview:… more
    Mastercard (10/17/25)
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  • Senior Principal Cyber…

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. **Sr. Principal Cyber Engineer ** Nightwing provides technically advanced full-spectrum ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer ** Cyber Offense and Defense Experts (CODEX) is… more
    Nightwing (01/09/26)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir,...their best work every day. From entry-level employees to senior leaders, we believe there's always room to learn.… more
    Chenega Corporation (12/14/25)
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  • Engineer Professionals- Ongoing Talent…

    V2X (Reston, VA)
    Engineer Senior -Level (7+ Years Experience) + Senior Systems Engineer + Engineering Manager + Principal Electrical Engineer + Chief Mechanical ... engineering positions, including but not limited to: Entry-Level (0-3 Years Experience) + Systems Engineer + Mechanical Engineer + Electrical Engineer +… more
    V2X (11/27/25)
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  • Principal / Sr. Principal DevOps…

    Northrop Grumman (Chantilly, VA)
    …This requisition may be filled at either the ** Principal DevOps Software Engineer ** or ** Senior Principal DevOps Software Engineer ** level. ... application of technical standards, theories, concepts, and techniques **Basic Qualifications for** ** Senior Principal DevOps Software Engineer ** **:** +… more
    Northrop Grumman (12/04/25)
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  • Principal Engineer (Project…

    Fairfax County Sheriff's Office (Fairfax, VA)
    …+ Proven track record of 3+ years of experience in a Leadership role as a senior Professional Engineer or Principal leading and managing teams of mechanical, ... Principal Engineer (Project Coordinator) Print (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5171712)...least 3 years in a leadership role as a Senior Engineer or Principle in Leading commercial… more
    Fairfax County Sheriff's Office (01/03/26)
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  • Principal /Sr Principal GNC…

    Northrop Grumman (Dulles, VA)
    Systems is seeking a motivated candidate that will fill the position of Principal / Senior Principal Engineer within our Spacecraft Guidance, ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/09/25)
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  • Principal Process Engineer

    Parsons Corporation (Centreville, VA)
    …your full potential. Unleash your talent and redefine what's possible. **Job Description:** ** Principal Process Engineer - Wastewater Systems - Los Angeles, ... CA** **OPPORTUNITY** : The **Wastewater Principal Process Engineer ** provides technical leadership and...other advanced water and wastewater treatment processes.** + The senior project/process engineer is expected to be… more
    Parsons Corporation (10/30/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...worldwide to install, maintain and upgrade complex electronic mission systems , security systems and antennas. You will… more
    CACI International (10/31/25)
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  • Unified Communications Engineer

    Amentum (Warrenton, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in ... for transformative change. **Responsibilities:** The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited… more
    Amentum (12/11/25)
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  • Principal Engineer , Amazon…

    Amazon (Arlington, VA)
    … Engineers are both visionary leaders and hands-on builders. As Amazon's most senior individual contributors, Principal Engineers work on our hardest problems, ... to work on a wide range of technologies and systems which are on device (high volume consumer devices,...and advance our technology. Key job responsibilities As a Principal Software Engineer , you will: Serve as… more
    Amazon (11/14/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …team and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team… more
    MPR Associates (12/26/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    …the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of Network Engineering and ... **Position Summary ** **What you'll do ** As a Principal Engineer , you will play an important...Bachelor's degree in computer science, computer engineering, computer information systems , software engineering, or related area and 5 years'… more
    Walmart (12/31/25)
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  • Sr. Principal Cyber Software…

    Northrop Grumman (Chantilly, VA)
    …of your career. **Northrop Grumman Mission Systems ** is seeking an experienced ** Senior Principal Cyber Software Engineer ** to join our team supporting ... at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for the design,… more
    Northrop Grumman (10/21/25)
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