- Deltek, Inc. (Herndon, VA)
- …software can be when designed for AI from day one. As a principal engineer , you'll solve the hardest technical problems, create reference implementations ... 05-Dec-2025 Principal AI Applications Engineer US Remote...implementation feasibility and development best practices Mentor and develop senior engineers, elevating implementation capabilities across the engineering organization… more
- Deltek, Inc. (Herndon, VA)
- 19-Nov-2025 Principal Software Engineer US Remote 10550BR Company Summary As the recognized global standard for project-based businesses, Deltek delivers ... C# Software Engineer to join our dynamic team. In this senior role, the developer will be responsible for leading complex software development projects,… more
- TYLin (Fairfax, VA)
- …and complexity. Together, we enhance conventional designs with smarter, more resilient systems . We provide people with better mobility. We steward precious resources ... on projects that move people and shape communities? TYLin is seeking a Principal Project Manager with a passion for delivering high-quality Rail + Transit design… more
- Fairfax County Government (Fairfax, VA)
- …Works under the guidance and general direction of the Project Coordinator ( Principal Engineer ) and/or Division Director of Design, Engineering and Construction. ... schedules and budgets for commercial building electrical, generator and life safety systems and/or components. As licensed Professional Electrical Engineer signs… more
- Fairfax County Government (Fairfax, VA)
- …Works under the guidance and general direction of the Project Coordinator ( Principal Engineer ) and/or Division Director of Design, Engineering and Construction. ... Job Announcement $5,000 Signing Bonus* This position provides senior level leadership and is responsible for the...building mechanical, plumbing systems , and building automation systems . As licensed professional mechanical engineer signs… more
- LMI Consulting, LLC (Tysons Corner, VA)
- …missions and drive lasting value. We are actively seeking a highly skilled Principal Engineer , Solutions Architect to join our innovative team in developing ... deep expertise in software development, a strong understanding of RFID or IoT systems , experience dealing with complex DoD cyber accreditation issues, and a passion… more
- Washington Metropolitan Area Transit Authority (Alexandria, VA)
- …diplomaorGEDandadditionalfour(4)years ofexperiencein progressively responsible and diversified information systems , communication systems management and ... Five (5) years ofexperience in progressively responsible and diversified information systems , communication systems management and technical experience in a… more
- General Dynamics Information Technology (Washington, DC)
- …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Systems Engineer - Messaging - Active Top Secret ... Required** Seize your opportunity to make a personal impact as a ** Principal Systems Engineer - Messaging** with GDIT. We're seeking a highly skilled … more
- General Dynamics Information Technology (Washington, DC)
- …15 + 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 in systems engineering means designing and implementing the … more
- Oracle (Washington, DC)
- …virtualization platforms and kernel subsystems. You will collaborate with architects, systems engineers, and DevOps teams to design and implement robust, ... high-performance solutions that scale across large, distributed systems . Responsibilities + Develop infrastructure software and tools for large-scale AI, LLM, and… more
- Northrop Grumman (Fairfax, VA)
- …demos, and training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance is not ... 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 … more
- V2X (Suitland, MD)
- …clearance and the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a diverse, ... challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our… more
- Northrop Grumman (Chantilly, VA)
- …but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an ... team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate… more
- General Dynamics Information Technology (Washington, DC)
- …17 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Principal Systems Engineer - Exchange Messaging ... When we succeed, you succeed and together our best becomes better. **How a Senior Principal Systems Engineer will make an Impact:** + SME level… more
- Oracle (Washington, DC)
- …other areas related to the development of cloud-based Interactive Media or Social Networking systems . Senior Principal Engineer is an individual ... hubs: Seattle, WA or Santa Clara, CA As a Senior Principal Engineer inside the...lead the design, development, and delivery of scalable, real-time systems enabling intelligent content delivery, dynamic interactivity, and monetization-all… more
- 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 ... implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage… more
- SAIC (Chantilly, VA)
- …efforts as part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) ... in acquisition and execution of mission critical systems . The Acquisition Systems Engineer is part of a team of high-performing subject matter experts (SMEs)… more
- Oracle (Washington, DC)
- **Job Description** As a Senior Principal Systems Engineer , you are a guru, with strong expertise across the stack & tiers (application and system), ... on complex HCM implementations, integrations, and production support activities. **Responsibilities** As a ** Senior Principal Systems Engineer ** , you… more
- BAE Systems (Rockville, MD)
- …US Navy s Strategic Systems Programs (SSP), BAE Systems is seeking a full-time Senior Principal Systems Engineer to be a part of our electrical ... 100,000 people in more than 40 countries. We develop, engineer , manufacture, and support products and systems ...develop, engineer , manufacture, and support products and systems to protect national security and keep people safe.… more
- Northrop Grumman (Fairfax, VA)
- …making history. Northrop Grumman Aeronautics Systems is looking to add a ** Principal or Senior Principal Network and Communications Field Service ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...filled at either the Principal Field Service Engineer OR Senior Principal Field… more
