• 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 & ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals… more
    Leidos (10/10/25)
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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 Network Systems…

    Saliense Consulting (Arlington, VA)
    …related problems, performance, and capacity as well as work hand-in-hand with the Principal Network Engineer on network infrastructure issues ... preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support… more
    Saliense Consulting (12/30/25)
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  • Senior Principal Security

    Oracle (Richmond, VA)
    …**What are we looking for?** The OCI Core Services organization is looking for a Senior Principal Security Engineer that will be the technical security ... + Deep expertise in one or more areas: hypervisor security , network security (SDN, firewalls,...Prior role as a Principal or Senior Principal Security Engineer at a… more
    Oracle (11/25/25)
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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 ... of customer mission needs. + Maintain, evaluate, test, and apply STIG configurations for network devices. + Respond to security findings and Break Fix events… more
    Northrop Grumman (01/01/26)
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  • Principal Cyber Security

    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 ... systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts + IAT Level II certification (GSEC, … more
    ManTech (12/13/25)
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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 ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment...system security practices, TCP/IP networking, 802.1x, and network security concepts + An active IAT… more
    ManTech (12/13/25)
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  • Principal /Sr. Principal Cyber…

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

    Northrop Grumman (Fairfax, VA)
    …Systems Engineer level. **Basic Qualifications for a Principal Cyber Systems Engineer :** + A security clearance is not required at the time of ... shared mission, we'll support you with expanding your personal network and developing skills, whether you are new to...Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not… 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 ... Engineer ** level. **Basic Qualifications for** ** Principal DevOps Software Engineer ** **:** + Must have a Bachelor's degree in computer science or an… more
    Northrop Grumman (12/04/25)
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