• Sallie Mae (Sterling, VA)
    …plan for their future for the better. **What You'll Contribute** The Senior Principal Engineer will be responsible for shaping long-term engineering direction ... Preferred education, skills, and experience. + 10+ years of hands-on software engineering experience, with a consistent record of technical leadership at… more
    DirectEmployers Association (11/11/25)
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  • Principal Software Engineer

    RTX Corporation (Sterling, VA)
    …for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Software Engineer ** **- Training System Software (Onsite)** ... **Role Description: ** We are searching for a Principal Software Engineer to join...for the design, implementation, and testing of complex multi-platform training device software and their associated user… more
    RTX Corporation (11/19/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Chantilly, VA)
    …best work of your career. We are looking for you to join our team as a ** Principal ** **Cyber Software Test Engineer ** and **Sr. Principal ** **Cyber ... to management in a timely manner and make recommendations **Basic Qualifications for a Principal Cyber Software Test Engineer :** + **Candidate must currently… more
    Northrop Grumman (11/01/25)
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  • Principal Software Engineer

    Corcentric (Bethesda, MD)
    As a Principal Software Engineer at Corcentric, you will join a driven, innovative team within an ambitious, entrepreneurial global organization. You will ... plenty of opportunity. We look forward to adding you into the mix! As a Principal Software Engineer , you will: + Design and implement .NET-based… more
    Corcentric (09/26/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... more. **Join us and make a difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity to build… more
    Leidos (11/19/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** ** Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... **Join us and make a difference in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and… more
    Leidos (11/07/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …work of your career. **Northrop Grumman Mission Systems** is seeking an experienced **Senior Principal Cyber Software Engineer ** to join our team supporting ... Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team,...Paid Time Off and Additional Benefits including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and… more
    Northrop Grumman (10/21/25)
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  • Principal Software Systems…

    RTX Corporation (Sterling, VA)
    …security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a ... and military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer -… more
    RTX Corporation (10/29/25)
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  • Principal Cobol/ Pega Software

    CareFirst (Reston, VA)
    …and adheres to the plan. Leads stakeholder and product owner meetings to define software requirements and creates highly complex systems. Acts as a mentor to junior ... of existing applications. Compile, assess, and report data results from software testing and analysis. Experience building cloud ready applications. Design and… more
    CareFirst (10/22/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …the 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 level ... meetings with external contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems… more
    Northrop Grumman (08/22/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Washington, DC)
    …Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team ... of Comms and Networks equipment to include radio terminals, software loads, switches, routers, and firewalls required to support...location. _This position can be filled at either the Principal Field Service Engineer - Network and… more
    Northrop Grumman (09/17/25)
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  • Principal Systems Engineer - active…

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

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal ... impact as a Senior Principal Systems Engineer with GDIT. A career...to a fast-paced environment that offers extensive options for training , certification, and career advancement. When we succeed, you… more
    General Dynamics Information Technology (11/08/25)
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  • Systems Test Engineer / Principal

    Northrop Grumman (Chantilly, VA)
    …**Northrop Grumman Mission Systems** is seeking a candidate to fill a **Systems Test Engineer / Principal Systems Test Engineer ** position. This position ... test kits. This requisition may be filled at either the **Systems** **Test Engineer ** or ** Principal ** **Systems** **Test Engineer ** level. **Basic… more
    Northrop Grumman (10/23/25)
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  • Principal Network Systems Engineer

    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 our ... be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible...work processes. + Attends and participates in team meetings, training sessions, and company sponsored programs as required. Required… more
    Saliense Consulting (10/01/25)
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  • Principal Sales Engineer

    Rocket Software (Washington, DC)
    …relationships, as well as direct business to grow revenue opportunities. Rocket Software Principal Sales Engineers are experienced technical professionals with ... where people truly BELIEVE in what they're doing!** **Job Description Summary:** The Principal Sales Engineer role will support Account Executives in new and… more
    Rocket Software (11/07/25)
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  • Principal Cyber Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. ** 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 (09/12/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (09/12/25)
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  • Quality Engineer IT Principal

    Prime Therapeutics (Washington, DC)
    …career? Come build the future of pharmacy with us. **Job Posting Title** Quality Engineer IT Principal - Client Implementation - Remote **Job Description** The ... Quality Engineer IT Principal plays a pivotal role...to enable quality plans, and participates in ongoing internal training , provides consulting services, and supports staffing tasks. In… more
    Prime Therapeutics (11/19/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... Continuous Delivery Pipeline within a commercial cloud environment. Flexible cross- training to also provide systems engineering, software development,… more
    Leidos (10/31/25)
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