• Fannie Mae (Reston, VA)
    …maintaining hardware, technology, and/or processes. *THE IMPACT YOU WILL MAKE* The * Principal Engineer (Director IC), Exchange Platform (APIs, Files, AI ... or equivalent * Deep understanding of API lifecycle: design, versioning, security , throttling, analytics. * Experience with API management platforms (Preferably… more
    DirectEmployers Association (10/17/25)
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  • Fannie Mae (Reston, VA)
    …platforms, software, and applications. *THE IMPACT YOU WILL MAKE* The Platform Engineering, Principal Engineer (Director IC) role will offer you the flexibility ... * Deep understanding of platform architecture, scalability, reliability, and security . * Experience designing and building Internal Developer Platforms that… more
    DirectEmployers Association (08/22/25)
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  • Principal Security Engineer

    AIG (Reston, VA)
    …AIG, we are reimagining the way we help customers to manage risk. Join us as a Principal Security Engineer to play your part in that transformation. It's an ... IT drives innovation across the organization. How you will create an impact The Principal Security Engineer will report directly to the Head of Security more
    AIG (10/21/25)
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  • Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career-oriented ** Principal Cyber Security Engineer ** to join our dynamic team in **Chantilly, VA** . In this role, you ... upgrades and patches across Linux and Windows platforms. + Design, engineer , and deploy Privileged Access Management (PAM) and Multi-Factor Authentication (MFA)… more
    ManTech (10/21/25)
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  • Principal Security Engineer

    Navy Federal Credit Union (Vienna, VA)
    …skills. Desired Qualifications + Industry certifications such as CISSP, CEH, or Azure Security Engineer Associate. + Experience with SPL (Splunk) and/or SQL ... Overview We are seeking a highly skilled and experienced Principal Cybersecurity Engineer to lead the design,...lead the design, implementation, and optimization of our web security infrastructure. This role will focus on advanced Bot… more
    Navy Federal Credit Union (10/21/25)
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  • Cybersecurity Engineer - Principal

    General Dynamics Information Technology (Falls Church, VA)
    …System Security **Experience:** 10 + years of related experience **Job Description:** ** Security Engineer - Principal ** Own your career as a ... Security Engineer - Principal at GDIT. Here, you'll...Security Engineer - Principal at GDIT. Here, you'll have the opportunity to...tomorrow. At GDIT, people are our differentiator. As a Security Engineer - Principal you… more
    General Dynamics Information Technology (10/21/25)
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  • Information Systems Security

    Amentum (Chantilly, VA)
    Security , & Intel space? If so, look no further. Amentum is seeking a ** Principal Information System Security Engineer ** to join our team of passionate ... intelligence mission. We are seeking a highly skilled and experienced Principal Information System Security Engineer to join our team. The successful… more
    Amentum (08/19/25)
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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 ... groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not required at the time of application. Employment… more
    Northrop Grumman (08/22/25)
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  • Principal Cyber Engineer

    Nightwing (Sterling, VA)
    …team that supports challenging, meaningful work that is vital to our national security , apply today! ** Principal Cyber Engineer ** Cyber Offense and ... in the intelligence community, defense, civil, and commercial markets. ** Principal Cyber Engineer ** Nightwing provides technically advanced full-spectrum… more
    Nightwing (09/12/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (10/10/25)
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  • Cybersecurity Engineer Principal

    General Dynamics Information Technology (Herndon, VA)
    …**Job Description:** Deliver simple solutions to complex problems as a **Cybersecurity Engineer Principal ** at GDIT. Here, you'll tailor cutting-edge solutions ... At GDIT, people are our differentiator. As a **Cybersecurity Engineer Principal ** you will help ensure today...and identity services. + Support Azure-based applications, ensuring proper security measures are in place, such as RBAC (Role-Based… more
    General Dynamics Information Technology (09/21/25)
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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 considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations… more
    Saliense Consulting (10/01/25)
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  • Cyber Software Test Engineer

    Northrop Grumman (Chantilly, VA)
    …**Northrop Grumman Mission Systems** is seeking a candidate to fill a **Software Test Engineer / Principal Software Test Engineer ** position. This position ... mission operations This requisition may be filled at either the **Software** **Test Engineer ** or ** Principal ** **Software** **Test Engineer ** level. **Basic… more
    Northrop Grumman (09/25/25)
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  • Senior Principal Software Engineer

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

    Northrop Grumman (Dulles, VA)
    …technical briefings to customers and mission partners **\#NOVASPACE** **Basic Qualifications:** + ** Principal Engineer Level (T3)** - BS in STEM - Science, ... work in a technical lead role for the Space Security business area. This position offers the opportunity to...related area and 3 years of experience. + **Senior Principal Engineer Level (T4)** - BS in… more
    Northrop Grumman (10/17/25)
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  • Principal Hardware Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    ** Principal Hardware Engineer - Ashburn, VA** We have a great opportunity for a **_Principal_** **_Hardware Engineer to_** join our team Defense Solutions ... Group CW is looking for an experienced **_Principal_** **_Hardware Engineer who_** _will plan, lead, and design complex electrical...to peer tears. + US Citizenship required; Active DoD Security Clearance is preferred **Who We Are** Our Values… more
    Curtiss-Wright Corporation (10/05/25)
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  • Principal /Sr. Principal Electronics…

    Northrop Grumman (Chantilly, VA)
    …Signals Intelligence Mission Solutions (SMS) Department. This role can be filled as a Principal or Sr. Principal Electrical Engineer . ** Principal ... in basic Surface Mount Technology (SMT) soldering and assembly skills. **Senior Principal Electronics Engineer ** **Basic Qualifications:** + Must be a US… more
    Northrop Grumman (10/16/25)
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  • Principal /Sr Principal Fault…

    Northrop Grumman (Dulles, VA)
    …Northrop Grumman is hiring a qualified Principal /Sr. Principal Systems Engineer to support a National Security Space (NSS) Program in the Tactical ... to either technical or nontechnical audiences is required. **Basic Qualifications:** + ** Principal Systems Engineer ** - Bachelors of Science degree in technical… more
    Northrop Grumman (09/19/25)
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  • Principal Civil Roadway & Highway…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** **Join Parsons Corporation as a Principal -Level Roadway & Highway Design Engineer ** Are you an experienced ... and seasoned professional to join our team as a Principal -Level Roadway & Highway Design Engineer . This...the next step in your career with Parsons Corporation!** ** Security Clearance Requirement:** None This position is part of… more
    Parsons Corporation (09/12/25)
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  • Principal Electrical Engineer

    CACI International (Springfield, VA)
    Principal Electrical Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...to install, maintain and upgrade complex electronic mission systems, security systems and antennas. You will be directly Supporting… more
    CACI International (08/02/25)
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