• 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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  • 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 the **Chantilly, VA.** ... documents (as needed), engineering documents, change management documents, system security plans, and accreditation documents + Deliver a comprehensive Splunk… more
    ManTech (10/24/25)
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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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  • 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 / Sr Principal Vehicle…

    Northrop Grumman (Dulles, VA)
    …will be coordinated through program Security . **Basic Qualifications** **:** + ** Principal Engineer ** - Bachelor's degree or higher in Aerospace Engineering ... a master's degree and 6 years of applicable experience. + **Sr. Principal Engineer ** - Bachelor's degree or higher in Aerospace Engineering or related technical… more
    Northrop Grumman (10/31/25)
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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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  • 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 Mechanical Engineer

    Amazon (Herndon, VA)
    …trade-offs, and managing technical risks across complex mechanical systems. As a principal engineer , you will influence and mentor engineering teams while ... connected to the innovation they depend on. As a Principal Mechanical Engineer , you will be a...our mechanical solutions meet the highest standards for safety, security , and cost-effectiveness at unprecedented scale. This role requires… more
    Amazon (10/29/25)
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  • Principal Cyber Software Engineer

    Northrop Grumman (Mclean, VA)
    …of history, they're making history. Northrop Grumman Defense Systems has an opening for a Principal Cyber Software Engineer . We are looking for you to join our ... team as a Principal Cyber Software Engineer based out of...This role offers an exciting opportunity to influence the security posture of our software systems while working on… more
    Northrop Grumman (10/26/25)
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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 /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 /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 /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 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, l_ **_ead, and design complex...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 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...Must also possess a solid knowledge of process technology ** Security Clearance Requirement:** None This position is part of… more
    Parsons Corporation (10/30/25)
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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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