• Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (01/09/26)
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  • Principal or Senior Principal

    Northrop Grumman (Fairfax, VA)
    …Systems is looking to add a ** Principal or Senior Principal Network and Communications Field Service Engineer ** to our team at **RAAF Base Edinburgh** ... for operations and maintenance support of the MQ-4C Triton network and communications systems at a Forward Operating Base...location. _This position can be filled at either the Principal Field Service Engineer OR Senior … more
    Northrop Grumman (12/04/25)
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  • Principal Cloud Network

    EchoStar (Herndon, VA)
    …needs of the changing world. **Job Duties and Responsibilities** The DISH Wireless Principal Cloud Network Architect will be the technology lead for internal ... the future of connectivity. We're developing and enhancing a unique hybrid network model-combining our advanced, cloud-native 5G core with the nationwide reach of… more
    EchoStar (01/02/26)
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  • Sr Principal Cybersecurity Analyst/…

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

    The MITRE Corporation (Chantilly, VA)
    …world. Roles & Responsibilities: + MITRE's Space Intelligence Systems is looking for a Principal Network Engineer role that will be supporting multiple ... with us. The MITRE Space Intelligence Systems Department is looking for a Network Engineering Subject Matter Expert (SME) who wants to drive innovative solutions,… more
    The MITRE Corporation (12/20/25)
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  • RF Engineer Ongoing Talent Pipeline

    V2X (Reston, VA)
    Engineer Senior-Level (7+ Years Experience) + Senior RF Engineer + RF Network Architect + Principal RF Systems Engineer + Director of RF Engineering ... Overview RF Engineer Ongoing Talent Pipeline | Always Hiring! Location:...mission-critical operations, we encourage you to join our RF Engineer Talent Pipeline today! This position description is subject… more
    V2X (11/27/25)
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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 ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...contractors/offices. This requisition may be filled at either a Principal Cyber Systems Engineer or Sr. … more
    Northrop Grumman (11/21/25)
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  • Principal / Sr. Principal DevOps…

    Northrop Grumman (Chantilly, VA)
    …architecture & mission operations This requisition may be filled at either the ** Principal DevOps Software Engineer ** or **Senior Principal DevOps Software ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to... Engineer ** level. **Basic Qualifications for** ** Principal DevOps Software Engineer ** **:** + Must… more
    Northrop Grumman (12/04/25)
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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 ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to...requisition may be filled at either the **Systems** **Test Engineer ** or ** Principal ** **Systems** **Test Engineer more
    Northrop Grumman (10/23/25)
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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 Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the ... Comply-to-Connect (C2C) mission by engineering and sustaining secure network infrastructures across classified and unclassified environments. You will work alongside… more
    ManTech (12/13/25)
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  • Principal Systems Engineer

    Northrop Grumman (Chantilly, VA)
    …+ Participate in test events This requisition will be filled at the ** Principal Systems Engineer ** level. **Basic Qualifications for Principal Systems ... those missions. By joining in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to the field, or an… more
    Northrop Grumman (12/19/25)
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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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  • Senior Principal Azure Cloud…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and experienced **Senior Principal Azure Cloud Engineer ** to join our team in **Chantilly, VA.** In this role, you will support ... maintaining automation scripts in PowerShell, Python, or Azure CLI + Configuring network security groups (NSGs) and application gateways to protect resources +… more
    ManTech (12/16/25)
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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 a program ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to...Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be… more
    Northrop Grumman (10/21/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Fairfax, VA)
    …support from Northrop Grumman Responsible Engineering/Development/Test Engineering teams. **Sr. Principal System Test Engineer responsibilities include:** + ... Grumman Aeronautics Systems has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join our team of qualified,… more
    Northrop Grumman (11/16/25)
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  • CCSS Principal Systems Engineer

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

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a Principal Integration and Test Engineer to serve in a key role ... and classified systems. They will be responsible for implementing compute, network , and storage deployments that comply with customer security policies and… more
    Nightwing (01/09/26)
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  • Principal Infrastructure Lead…

    RTX Corporation (Dulles, VA)
    …of a rapidly evolving global market. We have an immediate need for an ** Principal ** **Infrastructure Lead Engineer - Classified System** to lead and guide a ... lead needs a wide background to include modern IT infrastructure systems (compute, network , storage). The lead is also responsible for functioning as a Subject… more
    RTX Corporation (11/04/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …you interested in defining possible? **Northrop Grumman Mission Systems** is seeking a ** Principal Software Engineer (T03)** to join our team! This position will ... By joining in our shared mission, we'll support yours of expanding your personal network and developing skills, whether you are new to the field, or an industry… more
    Northrop Grumman (12/23/25)
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