NewPrincipal Software Developer Leidos Holdings Inc.Principal Software DeveloperGaithersburg, MD$131,300–$237,350 / yearThis work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments. Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.
NewPrincipal Elasticsearch Systems Engineer Leidos Holdings Inc.Principal Elasticsearch Systems EngineerBethesda, MD$131,300–$237,350 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Principal Quality Engineer, Supplier QA ElectraPrincipal Quality Engineer, Supplier QAManassas, VAYou'll support the build-out of a 14 CFR 21.137-compliant Quality Management System, including First Article Inspection, and help stand up the supplier quality infrastructure - audits, documentation review, and an Approved Supplier List - that Electra needs as we scale from Manassas, VA to our future manufacturing site in Springfield, OH. Support development, documentation, implementation, and maintenance of a compliant 14 CFR 21.137 Quality Management System, including First Article Inspections (FAI), and help prevent non-conforming parts, articles, and defects while maintaining a safety- and quality-first presence at all times.
NewPrincipal FPGA Engineer Trident Systems IncPrincipal FPGA EngineerFairfax, VA$116,000–$216,000 / yearWork within a multi-discipline team of engineers designing advanced multi-function RF, processing, networking, and/or data storage solutions for space applications utilizing the latest Xilinx (AMD) technologies (e.g., Zynq Ultrascale+ MPSoC, Zynq Ultrascale+ RFSoC, and Versal ACAP). However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
Principal Systems Test Engineer ElectraPrincipal Systems Test EngineerManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. This is a hands-on leadership role - you'll mentor junior engineers, own the architecture of our simulation labs, and build the data management and automated test processes that engineering depends on to move the EL9 toward certification.
Principal Electrical Engineer ElectraPrincipal Electrical EngineerManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. Electra is actively recruiting a Principal Electrical Engineer to lead the design and development of high-voltage and low-voltage electrical systems for our 9-passenger eSTOL (electric short takeoff and landing), hybrid-electric aircraft.
Senior / Principal Engineer – Electromechanical Actuation ElectraSenior / Principal Engineer – Electromechanical ActuationManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. A global company, headquartered in Manassas, VA, Electra is backed by Lockheed Martin, Honeywell, and Safran, has filed for FAA Part 23 type certification, and carries 2,000+ intent to purchase from operators worldwide.
Principal Flight Controls Engineer ElectraPrincipal Flight Controls EngineerManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. Electra.aero is seeking a Principal Flight Controls Engineer to serve as a senior technical authority and flight controls certification subject-matter expert for the EL9 Ultra Short Takeoff and Landing aircraft.
NewPrincipal Systems Architect - C5isr TOMORROW HIREPrincipal Systems Architect - C5isrMcLean, VA$200,000–$230,000 / yearOur client, a federal contractor supporting U.S. defense and homeland security missions, is seeking a hands-on Principal Systems Architect – C5ISR to lead the architecture, integration, testing, and technical execution of advanced C4ISR/C5ISR, border/perimeter surveillance, and Counter-UAS systems. The ideal candidate will translate customer mission needs into scalable system architectures and top-level designs integrating technologies such as sensors, communications, command-and-control, networking, AI/ML, cybersecurity, and edge computing.
NewISR Principal Modeling/Simulation Engineer Space Systems IntegrationISR Principal Modeling/Simulation EngineerChantilly, VA$160,000–$200,000 / yearThe qualified applicant will provide local support to the Space Warfighting Analysis Center (SWAC), Multi-Domain Sensing Program (MDSP), Space-based Intelligence Surveillance Reconnaissance and Targeting (ISRT) Division with expertise in ISR systems/processes and modeling and simulation (M&S). Efforts include (but not limited to): Developing space-based ISR models, executing space-based ISR models, analyzing and assessing modeling and simulation results from analysis partners across all classification levels.
NewPrincipal Electrical Engineer Trident Systems LLCPrincipal Electrical EngineerFairfax, VA$114,000–$211,000 / yearThe Principal Electrical Engineer partners closely with cross-functional engineering teams, program leadership, and customers to solve complex technical challenges, support program execution and business development efforts, and shape the long-term technology roadmap for the organization. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information.
SY 26-27 Principal Girls Global AcademySY 26-27 PrincipalWashington, DCFull timePosition Title: Principal Reports To: Executive Director Classification: Exempt (Full-Time, Salaried) School Type: Small Public Charter High School for Girls, Washington, D.C. Approximately 250 students Program: International Baccalaureate Career Program (IBCP) POSITION OVERVIEW Girls Global Academy (GGA) is a small, mission-driven public charter high school committed to empowering young women in Washington, D.C. through a college-preparatory, globally focused education grounded in the International Baccalaureate Career Program (IBCP). CORE COMPETENCIES & ATTRIBUTES The Executive Director will screen for evidence of the following competencies in all candidates: Competency What We Look For Instructional Expertise Can articulate and model high-quality, differentiated instruction; strong track record of improving teacher practice through coaching.
Special Projects Group Principal Geotechnical Engineer - Transportation ECS LtdSpecial Projects Group Principal Geotechnical Engineer - TransportationHanover, Maryland$125,000–$200,000 / yearECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). Primary responsibilities include pursuit and execution of geotechnical projects in the transportation sector in the northern Mid-Atlantic region , including highway, bridge, and rai l .
Senior Principal Information Engineer ASRC Federal Holding CompanySenior Principal Information EngineerReston, VAThe ideal candidate brings deep expertise in directory services, authentication systems, access governance, vault and secrets management, cloud identity integration, and PKI, along with a strong understanding of compliance frameworks such as CMMC L2/3 and NIST SP 800-63/171/172. Provide architectural guidance, design reviews, and technical leadership with respect to IAM.Participate and contribute to change management, documentation, and governance processes using ITSM tools.
Principal SignificancePrincipalFt. Belvoir, VirginiaWe are an E-Verify Employer https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster.pdf https://www.e-verify.gov/sites/default/files/everify/posters/IER_RighttoWorkPoster.pdf As a woman-owned consulting firm supporting federal civilian and Department of Defense customers, we bring together talented professionals who are passionate about solving complex challenges and making a meaningful impact.
Sr Principal SAP BTP Engineer Vets HiredSr Principal SAP BTP EngineerWashington, WashingtonThis role provides technical leadership for software development, cloud architecture, SAP integrations, automation, analytics, and modernization initiatives while ensuring scalable, secure, and high-performing enterprise applications. The Senior Principal SAP BTP Engineer designs, develops, and supports enterprise software solutions using SAP Business Technology Platform (BTP).
Assistant Principal / School Administrator – Special Education The Chimes, IncAssistant Principal / School Administrator – Special EducationBaltimore, MDPart timeBuild a meaningful leadership career where your work directly impacts students and families. Master’s degree in School Administration, Educational Leadership, or a related field.
Principal Engineer, Geostructural - Mi-Tech Services, Inc. Michels CorporationPrincipal Engineer, Geostructural - Mi-Tech Services, Inc.Baltimore, MD$132,000–$198,000 / yearA Principal Engineer is a leadership role that focuses on overseeing and driving the technical direction of projects for specific geographical regions or scopes of engineering services. Currently holding a Structural Engineer (SE) license or having passed the NCEES 16-hour structural engineering exam with which to obtain an SE license via comity without additional testing needed.
Principal Analyst - Enterprise CX Transformation Forrester Research, Inc.Principal Analyst - Enterprise CX TransformationWashington, DC$141,000–$229,000 / yearYou'll conduct visionary original research that helps senior CX executives across industries build the experiences and CX programs of the future - and you'll advise these leaders on how to customize and implement your findings. In this role, you'll examine how senior CX leaders build and operate cutting-edge CX programs and drive enterprisewide customer-led innovation amid the rise of AI and volatility.
Principal Architect Scale AIPrincipal ArchitectWashington, DC$257,000–$321,000 / yearOur products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training.