1,511 Results for

Principal Jobs in Springfield, VA

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Senior Principal Software Developer (Active TS Clearance/SCI w/CI Poly Required) A&M Technologies, Inc.

Springfield, VA

$170,000–$215,000 / year

Our comprehensive offerings include systems integration, IT security, continuity of business operations support, IT infrastructure planning, enterprise resource planning (ERP) systems support, business process automation, cloud migration, software engineering, systems engineering, and IT project management. Architect, code, and test front-end and back-end solutions for integrated systems, utilizing languages such as HTML, CSS, C++, C#, Java, and JavaScript.

11 days ago

Principal Digital Solutions Technologist (part-time) HNTB Corporation

Arlington, Virginia

$173,075.17–$276,470.74 / year

Leads business development and planning efforts, including calculation of cost, risk, and scope, and support local offices in preparation of responses to RFPs, RFIs and RFQs by providing expertise on specialized technologies and/or practices. Works with clients and technology office staff to identify, analyze, design, develop and implement fully integrated solutions of moderate to high complexity that support HNTB’s products, service and/or business processes.

6 days ago

Principal Biostatistician Worldwide Clinical Trials

Triangle, VA

$96,500–$191,500 / year

Use independent judgment and technical expertise to assist in designing studies; preparing statistical analysis plans; analyzing data from pharmacokinetic, clinical, and pre‑clinical studies; interpreting statistical results from pharmacokinetic, clinical, and related analyses; and generating randomization schedules for clinical studies. Understands and applies Good Laboratory Practice (GLP) guidelines and U.S. Food and Drug Administration (FDA) guidance documents pertinent to statistical analysis, pharmacokinetic studies, pharmacokinetic analyses, and reports.

3 days ago

Principal RF Electrical Engineer HawkEye 360

Herndon, Virginia

Design digital, analog, and power electronics for satellite flight hardware while overseeing team execution of schematic capture, PCB layout, RF chain design, and power subsystem development to ensure technical accuracy and on‑schedule delivery. You will lead electrical and RF design of our space platforms, with emphasis on digital, analog, and power electronics design as well as RF payloads including Software Defined Radios (SDRs), RF front ends, and antenna systems.

4 days ago

Principal Digital Solutions Technologist (Part-Time) HNTB Corporation

Arlington, VA

$173,075.17–$276,470.74 / year

7 days ago

Principal Project Mgr - Alternate Delivery Methods- 90360099 - Washington National Railroad Passenger Corp

Washington, DC

$113,200–$146,664 / year

Our values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak. In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions.

5 days ago

Sr. Principal Mission Engineer Clarity Innovations

Columbia, Maryland

$100,000–$330,000 / year

Kubernetes & Workload Integration: Troubleshoot and maintain localized Kubernetes clusters (managed or CAPI-provisioned), ensuring proper integration with ingress API gateways, Cilium network fabrics, and local container registries. Clarity Innovations is a trusted national security partner, dedicated to safeguarding our nation’s interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world.

3 days ago

Principal Mission Solution Architect CACI International Inc

Herndon, VA

$137,400–$302,300 / year

Recognized expertise or mastery across multiple technical or mission areas (intelligence analysis or operations; systems or mission engineering; offensive or defensive cyber and cyber mission operations; mission operations support; UXS/C-UXS, ISR platforms, autonomy, or emerging mission systems), combined with sound business acumen and the ability to develop holistic solutions. The Opportunity: As a Principal Mission Solution Architect supporting CACI's Mission & Engineering Support (M&ES) portfolio, you will lead compelling, executable, and scorable solutions for CACI's largest, most complex, and strategically important DoD, Intelligence Community, and interagency opportunities.

5 days ago

Principal AI Engineer - Blue Ring Blue Origin Enterprises LP

Reston, VA

$230,773–$323,081.85 / year

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.

5 days ago

Principal Tester/Automation - Specialty Geico Insurance

Bethesda, MD

$100,450–$157,850 / year

This is a leadership role at the center of our shift from primarily manual testing toward scalable, automation-first practices - someone who has run testing teams before and can point to real automation tools they've deployed in production environments, not just studied. Success in this role depends on hands-on fluency with automation tooling combined with the judgment to mentor others, prioritize competing initiatives, and represent testing quality to product and engineering stakeholders.

8 days ago

Principal Linux Engineer Meso Scale Discovery

Rockville, MD

$116,600–$177,800 / year

The role additionally supports the Debian-based Linux operating system (Debian 13 "trixie" on ARM hardware) that ships embedded in certain company products, partnering with Product Engineering and R&D on OS image build, hardening, patching, and field escalations. This position manages the Linux support queue and on-call rotation, mentors junior and mid-level engineers, and partners with Security, Network, Database, Applications, and Quality teams to sustain systems available, secure, compliant, and audit-ready in a 24x7x365 environment.

Manassas, VA

$149,000–$186,000 / year

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. This role works in close partnership with the Flight Controls System IPT Lead, providing deep expertise in certification, safety, and verification to support system development from detailed design through certification and entry into service.

9 days ago

Principal Proposal Manager ICF

Reston, Virginia

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. The Work : ICF is seeking a Principal Proposal Manager to lead the development of high-quality, compelling, and compliant federal proposals focused on technology and experience-driven solutions within the Digital Modernization and Experience (DMX) Group.

7 days ago

Principal RF Electrical Engineer HawkEye 360 Inc

Herndon, VA

$170,000–$200,000 / year

Your main responsibilities will be: Design digital, analog, and power electronics for satellite flight hardware while overseeing team execution of schematic capture, PCB layout, RF chain design, and power subsystem development to ensure technical accuracy and on‑schedule delivery. You will lead electrical and RF design of our space platforms, with emphasis on digital, analog, and power electronics design as well as RF payloads including Software Defined Radios (SDRs), RF front ends, and antenna systems.

7 days ago

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Principal Jobs in Springfield, VA

Senior Principal Software Developer (Active TS Clearance/SCI w/CI Poly Required) A&M Technologies, Inc.

Principal Digital Solutions Technologist (part-time) HNTB Corporation

Principal Biostatistician Worldwide Clinical Trials

Principal RF Electrical Engineer HawkEye 360

Principal Digital Solutions Technologist (Part-Time) HNTB Corporation

Principal Project Mgr - Alternate Delivery Methods- 90360099 - Washington National Railroad Passenger Corp

Sr. Principal Mission Engineer Clarity Innovations

Principal Mission Solution Architect CACI International Inc

Principal AI Engineer - Blue Ring Blue Origin Enterprises LP

Principal Tester/Automation - Specialty Geico Insurance

Principal Linux Engineer Meso Scale Discovery

Principal AI Engineer - Blue Ring Blue Origin

Senior/Principal Airframe Stress Engineer Electra Aero Inc

Principal Electrical Engineer Electra Aero Inc

Senior / Principal Engineer - Electric Engine Lead Electra Aero Inc

Senior / Principal Engineer - Electromechanical Actuation Electra Aero Inc

Senior / Principal Multidisciplinary Test & Simulation Engineer Electra Aero Inc

Principal Flight Controls Engineer Electra Aero Inc

Principal Proposal Manager ICF

Principal RF Electrical Engineer HawkEye 360 Inc

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