195 Results for

Principal Jobs in Reston, VA

Jobs

Reston, VA30+ days ago

Full-time

This role sits at the intersection of advanced modeling, system architecture, and real-world network performance , with MATLAB as a core tool in shaping next-generation solutions. At TeleWorld Solutions , we design, optimize, and deliver high-performance wireless networks for leading operators and technology partners.

Falls Church, VA13 days ago

We are looking for an experienced Principal Software Engineer who will be responsible for developing and maintaining our flagship product assets. • Secure our software by addressing any vulnerabilities and by writing high-performing, scalable, and secure software to meet customer demands.

Washington DC, DC9 days ago

Mentor and Scale Field Teams: Act as a thought leader within the organization, mentoring Solutions Consultants and Forward Deployed Engineers and helping to evolve and refine our AI solution delivery best practices. • Influence Product and GTM Strategy: Collaborate closely with product and engineering teams to relay field insights, identify gaps in our prebuilt agent inventory, and influence the product roadmap based on strategic customer needs.

New!

Gaithersburg, MD6 days ago

$131,300–$237,350

As part of a large-scale Scaled Agile (SAFe) software development organization, you will serve as a technical leader and strategic architect, shaping enterprise data solutions that bridge mission needs, systems engineering rigor, and modern Agile delivery. This role is ideal for a highly experienced architect who can operate at both strategic and hands-on levels, influence across teams and programs, and drive the evolution of scalable, secure, and resilient data ecosystems.

New!

Washington, DC2 days ago

Remote

This role will involve designing and developing wiring harness systems, including schematic creation, harness architecture, panel layout, developing specifications, selecting key components, and transitioning design to manufacturing. We are seeking a highly experienced and innovative Principal Controls Engineer to lead the development, optimization and implementation of advanced control systems across critical infrastructure products and automation platforms.

New!

Washington, DC2 days ago

Remote

We are seeking a highly skilled, technically proficient and detail-oriented Principal Mechanical Engineer with expertise in metal structures, frame design, pipes and fabrication to support the development of power and cooling infrastructure for data centers. Design and develop mechanical frames, enclosures, and support structures for data center power and cooling products (UPS systems, battery racks, CRAC units, containment systems, LVS, MVS).

Washington, DC30+ days ago

With supervision from the Senior Directors, Chief Academic Officer and other members of the Home Office Academic Team, Principals and their leadership teams build unique and close-knit communities at each school site focused on the twin elements of rigorous academics and character education. The Academic Assistant Principal works as a key member of the campus leadership team in partnership with other leadership team members and teachers to ensure that all students are making academic and social progress at DC Prep.

Washington, DC30+ days ago

With supervision from the Senior Directors, Chief Academic Officer and other members of the Home Office Academic Team, Principals and their leadership teams build unique and close-knit communities at each school site focused on the twin elements of rigorous academics and character education. The Early Childhood Assistant Principal works as a key member of the campus leadership team in partnership with other leadership team members and teachers to ensure that all students are making academic and social progress at DC Prep.

Washington, DC30+ days ago

With supervision from the Senior Directors, Chief Academic Officer and other members of the Home Office Academic Team, Principals and their leadership teams build unique and close-knit communities at each school site focused on the twin elements of rigorous academics and character education. Set vision for family partnership and lead programming including but not limited to facilitating individual student conferences to support student and family transitions to school, coordinating family orientations, setting vision and direction for Parent Action Team, managing centralized communication including weekly prep pack systems, coordinating other community events.

New!

Washington, DC6 days ago

Full-time

Our work is grounded in five pillars–Academic Excellence, Joy & Sense of Belonging, Highly Effective Teachers and Leaders, Safe, Structured, and Nurturing Learning Environments, and Commitment to College Readiness–which ensure every student is equipped with the knowledge, skills, and confidence to pursue success in college, careers, and beyond. The Assistant Principal of Operations (APO) serves as a strategic partner to the Principal and a key member of the school leadership team at one of KIPP DC’s Early Childhood, Elementary or Middle schools.

Manassas, VA30+ days ago

Share by Email Share on LinkedIn Share on X (http://www.x.com/intent/post?url=https%3A%2F%2Fcareers.learningcaregroup.com%2Fsearch%2Fjobdetails%2Fx%2F3f975df4-f8fc-49af-b445-5971ca220efa%3Futm_campaign%3Dss_x) The Principal is responsible for all aspects of effective school operations, ensuring the safety of the children, supervising the school staff, and managing delivery of quality early education programming.

Washington, DC30+ days ago

You will hone or learn new skills including research, presentation, writing, professional etiquette, You will gain meaningful experience that enhances both your professional skills and sense of purpose; You will advance and boost your professional career by helping you to make professional connections and giving you real-world experience at the intersection between climate and emerging technologies; and. Strong analytical and research skills including critical thinking, organizational and problem-solving skills; Effective interpersonal and communication skills; Ability to work well within a team and individually; Seeking a complementary range of specialisms (charity, commercial, corporate, contract, employment, litigation, and others).

New!

Washington, DC5 days ago

Full-time

Position Title:PrincipalReports To:Executive DirectorClassification: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 OVERVIEWGirls 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 & ATTRIBUTESThe Executive Director will screen for evidence of the following competencies in all candidates: CompetencyWhat We Look ForInstructional ExpertiseCan articulate and model high-quality, differentiated instruction; strong track record of improving teacher practice through coaching.

Washington, District of Columbia30+ days ago

The Resident Principal program is designed to build leadership capacity and readiness for future Principal opportunities within Friendship Public Charter School; however, successful completion of the residency does not guarantee placement into a Principal role. The Resident Principal role is a minimum 18-month leadership development program designed to prepare high-potential school leaders for future Principal roles within Friendship Public Charter School.

Washington, DC30+ days ago

Full-time

Empowering Others: Actively listen to other school community members; seeks to understand others’ views and needs, intentionally builds trust within and across teams of people to promote collaboration and opportunities for shared ownership, consistently demonstrates respect and appreciation for others by empathizing, valuing their time and contributions, and being available and responsive to their needs. QualificationsKIPP DC is looking for vice principal candidates who are committed to KIPP DC’s mission that all students can learn and achieve at high levels, have a strong teaching background, a commitment to creating identity-affirming learning experiences, and are looking to develop the leadership skills necessary to lead great schools.

New!

Columbia, MD1 day ago

Providing legal support to these programs will require the Principal Counsel to oversee the structure of grant programs – some of which are aimed at commercializing university research; negotiate and close grant agreements; participate in Commission meetings; help evaluate annual grant applications; and stay informed about emerging developments in regenerative medicine. The OAG also protects the public by civil enforcement of antitrust, civil rights, consumer protection, and securities laws and regulations and by the prosecution of organized crime, Medicaid fraud, environmental crimes, insurance fraud, state tax evasion, and other statutorily assigned matters.

McLean, VA30+ days ago

$91,200–$136,800 Per Year

Bachelor’s degree from an accredited university with 8 years in Contracts, Subcontracts, or Procurement Administration, or related professional experience - OR - a Master's degree with 6 years in Contracts, Subcontracts, or Procurement Administration, or related professional experience: In lieu of degree High school diploma or equivalent with 12 years of relevant experience required. + Bachelor’s degree from an accredited university with 5 years in Contracts, Subcontracts, or Procurement Administration, or related professional experience - OR - a Master's degree with 3 years in Contracts, Subcontracts, or Procurement Administration, or related professional experience: In lieu of degree High school diploma or equivalent with 9 years of relevant experience required.

SE Washington, DC12 days ago

Full-time

Compare dates for ship building, including dates associated with delivery of vendor-supplied GFE (required delivery dates, estimated delivery dates, and shipyard need dates) to anticipate impacts to schedule or risks associated with potential delivery issues. • Coordinate with government program offices, engineering teams, original equipment manufacturers, shipbuilders/shipyards, and support organizations to align delivery schedules and prevent production delays.

Washington, DC30+ days ago

Full-time

Manassas, VA30+ days ago

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. At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility by making air travel more efficient, quieter, and environmentally friendly.

Manassas, VA17 days ago

Our 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. As our Principal Manufacturing Engineer – Primary Structures, you'll take on one of the most consequential roles in the EL9 build: owning manufacturability and integration for major load-bearing structures - fuselage, wing, empennage, and primary structural assemblies.

Manassas, VA17 days ago

Embedded in our Integrated Product Development Team (IPDT), your focus will be on electrical and avionics systems installation, applying DFM and DFA principles to enable efficient, scalable final assembly operations - and ensuring production test processes are built in from day one. Our 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.

Manassas, VA30+ days ago

This role will be responsible for the aircraftelectrical systems - including power distribution, energy storage, conversion, and system safety protections - ensuring reliable, certifiable, and high-performance operation across the full aircraft lifecycle. At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly.

Manassas, VA17 days ago

Our 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.

New!

Reston, VA5 days ago

$200,000–$275,000 Per Year

We are partnering with our client, Galaxia Technologies, to hire a Principal Data Engineer – Mission Data Pipelines (Reston, VA) to play a key role in advancing the Department of the Air Force’s Integrated Fires Command and Control (DIFC2) Program. Galaxia Technologies is seeking a Principal Data Engineer – Mission Data Pipelines to design, implement, and sustain robust mission data pipelines supporting the Department of the Air Force’s DIFC2 program and the Horizon initiative.

Silver Spring, MD30+ days ago

Remote

Contractor

This role supports the planning, development, acquisition, operation, and life-cycle sustainment of NOAA marine, aviation, and associated mission systems by translating operational requirements and engineering designs into effective, compliant, and sustainable logistics and support solutions. The Principal Logistician ensures logistics considerations are fully integrated into system design and program execution, maintains quality across the project life cycle, and provides leadership and oversight to logistics and logistics analysis personnel.

Silver Spring, MD30+ days ago

Remote

Contractor

The Principal Systems Analyst ensures analytical rigor, quality, and compliance across the project life cycle and provides leadership and oversight for systems analysis activities performed in support of complex, mission-critical programs. This role is responsible for translating operational and user needs into functional requirements and integrated solutions that support the planning, development, acquisition, operation, and life-cycle management of NOAA marine, aviation, and associated mission systems.

Germantown, MD30+ days ago

Job Summary: We are looking for a Principal Electrical Engineer with 12+ years’ experience in design and development of Application Specific Integrated Circuits (ASIC) and micro-controller based embedded systems, specifically for battery powered medical devices. Building system architecture for sensor interface and connectivity to wearable and mobile devices using technologies such as near field communication (NFC) and Bluetooth.

Herndon, VA30+ days ago

For Senior Principal level: A Bachelor's degree with 9+ years of relevant experience; OR a Master's degree with 7+ years of relevant experience; OR a PhD with 4+ years of relevant experience an additional 4 years of experience may be considered in lieu of a degree requirement. For Staff level: A Bachelor's degree with 14+ years of relevant experience; OR a Master's degree with 12+ years of relevant experience; OR a PhD with 9+ years of relevant experience an additional 4 years of experience may be considered in lieu of a degree requirement.

Herndon, VA30+ days ago

Candidate will perform test-driven software engineering and development activities associated with designing, developing, maintaining, and enhancing analytic systems using an Agile DevSecOps model. Experienced front-end software engineer to develop services using modern techniques such as REST, JSON, Python, JavaScript Web UI frameworks (e.g., JQuery, Angular, React), and Docker.

Herndon, VA30+ days ago

A Bachelor's degree and 9 years of relevant experience OR a Master's degree with 7 years of relevant experience OR a PhD with 4 years of relevant experience; An additional 4 years of experience may be considered in lieu of the degree requirement . o Help write and maintain scripts for process improvements (ex: stage/unstage builds, branch tag automation, automating variance corrections across networks).

Herndon, VA30+ days ago

Washington, DC15 days ago

$167,500–$212,700 Per Year

As a Principal Consultant Project Manager, you will be responsible for managing most aspects of various client engagements – including communicating with clients on project scope project updates, working within budgets, delegating work to colleagues, and ensuring all deliverables are client-ready and free from any errors. Since 2002, Concentric has built a national reputation for excellence in ratemaking and utility regulation, litigation support, market strategy, and financial advisory services, working with investor-owned utilities, regulators, and other industry participants on complex, high-stakes matters.

Washington, DC15 days ago

$168,000–$297,000 Per Year

Since 2002, Concentric has built a national reputation for excellence in ratemaking and utility regulation, litigation support, market strategy, and financial advisory services, working with investor-owned utilities, regulators, and other industry participants on complex, high-stakes matters. This role is designed for an experienced professional who has personally led cost-of-service analyses, defended positions in contested proceedings, and provided expert testimony before FERC, including on prudence and cost recovery issues.

Arlington, VA13 days ago

$220,000–$250,000 Per Year

VT-ARC is seeking a Principal Enterprise Network Engineer to serve as a senior technical authority for enterprise network architecture, implementation, sustainment, and modernization supporting mission-critical programs within TS/SCI environments. The position is not limited to a single vendor stack or a narrow WAN/SD-WAN scope; it includes holistic network engineering across LAN, WAN, campus, data center, classified, air-gapped, multi-enclave, and mission communications environments.

Washington, DC23 days ago

Remote

The Senior Solutions Architect is the senior technical authority responsible for the design, integration, automation, and operational success of AppGate's Zero Trust Network Access (ZTNA) platform across U.S. Federal and DoD environments. Integrate Appgate ZTNA with third party systems and sources of trust or risk telemetry, including identity providers such as SAML, OIDC, RADIUS, LDAP, NGFWs, entitlement automation systems, SIEM, SOAR, ITSM, and others.

Washington, District of Columbia30+ days ago

Collaborate with the leadership team to assess, refine, and adjust schoolwide strategies, making informed instructional, cultural, and operational decisions in complex and evolving environments to advance student outcomes. Foster a positive, achievement-oriented school culture by modeling continuous learning, setting high expectations for adults and students, and aligning instructional and cultural practices to the school’s mission and guiding principles.

Rockville, MD14 days ago

$165,000–$220,000 Per Year

7+ years of experience in the design, analysis, build, and test of space-rated metallic pressure vessels and related propulsion hardware, including: Familiarity with ANSI/AIAA S-080A, launch vehicle interfaces, and range safety requirements. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies.

Fairfax, VA30+ days ago

This individual will provide systems engineering leadership across R&D and product development programs, play a key role in shaping technology and product roadmaps, and contribute to high-impact strategic business opportunities. We are seeking a talented, self-driven, and technically exceptional Principal Systems Engineer to lead multidisciplinary engineering teams in the development of complex electronic systems for space applications.

Washington, DC30+ days ago

$150,000–$200,000 Per Year

Leveraging our executive team's military experience and private and public sector consulting expertise, Blue Water Thinking takes an integrated "one-team" approach and brings to bear best-fit solutions, thought leadership, and grit to meet our client's transformational needs. Fueled by our values of integrity, respect, professionalism, stewardship and customer service, the Blue Water Thinking team understands the power of the human connection, collaboration, humility and loyalty to one another, our clients and industry partners.

New!

Columbia, MD1 day ago

Full-time

We are seeking an innovative and analytical Systems Engineer to join our research and development team focused on the future of cloud-native architectures, specifically Content Delivery Networks (CDNs). We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

New!

Columbia, MD1 day ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Terraform Expertise: Proven, hands-on experience writing, deploying, and managing production-grade infrastructure using Terraform, including deep knowledge of state management and modularity.

New!

Laurel, MD1 day ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.

New!

Laurel, MD1 day ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. You will be responsible for designing and delivering custom applications, providing data visualization, workflow automation, and mission cognizance for mission critical activities.

Fairfax, VA30+ days ago

Full-time

The ideal candidate will bring a deep expertise in federal healthcare operations, particularly within VHA, and a strong track record of leading cross-functional teams to deliver strategic solutions. This candidate will work closely with internal teams and federal healthcare clients to develop integrated program solutions and oversee project execution across multiple capability areas.

Laurel, MD30+ days ago

Full-time

Perform technical analysis of malicious binaries through controlled execution and/or static analysis of assembly code, overcoming techniques designed to defeat analysis, in order to ascertain functionality, capability, call-backs, assist with attribution to adversary infrastructure, and identification of indications or compromise. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

Columbia, Maryland30+ days ago

$170,000–$190,000 Per Year

Understanding customer requirements, demonstrating the capability to customers and stakeholders, and potentially leading a team of engineers and software developers to design and develop these simulation solutions. Twenty (20) years of experience in the design of, or analysis of sensor systems, seekers, electronic warfare systems, or weapon systems.

Arlington, VA15 days ago

Experience coordinating with senior government stakeholders and operational leadership, paired with demonstrated expertise in advanced analytics and modeling (statistical analysis, predictive modeling, machine learning, and AI) applied to large-scale financial or tax datasets. The ideal candidate combines strong program leadership experience with advanced analytics expertise and the ability to coordinate across technical teams and government stakeholders in a fast-paced, mission-driven environment.

Chantilly, Virginia30+ days ago

Bachelor's degree with 8 years of relevant experience, a Master’s degree with 6 years of relevant experience, a PhD with 4 years of relevant experience, or 12 years of relevant experience in lieu of a degree. Bachelor's degree with 5 years of relevant experience, a Master’s degree with 3 years of relevant experience, a PhD with 1 year of relevant experience, or 9 years of relevant experience in lieu of a degree.

Chantilly, Virginia30+ days ago

ECS 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). Bachelor and/or Master of Science in Civil Engineering, Environmental Engineering, or other Engineering degree applicable to Environmental Consulting, Natural or Environmental Science, Geology, or other degree relevant to the practice of Environmental Consulting.

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Principal Jobs in Reston, VA

Jobs

Principal Engineer - System Design & SimulationTeleWorld Solutions

Principal Software EngineerKastle Systems

Principal AI Field ArchitectBoomi

Principal Data ArchitectLeidos

Principal Electrical Controls Engineer - Data Center InfrastructureJABIL CIRCUIT, INC

Principal Mechanical Integration Engineer – DCI Pipes, Frames and Structures (REMOTE)JABIL CIRCUIT, INC

SY26-27 Academic Assistant PrincipalDC Prep

SY26-27 Early Childhood Assistant Principal (prek3/prek4)DC Prep

SY26-27 Community Assistant PrincipalDC Prep

Assistant Principal of OperationsKIPP DC

Preschool PrincipalLearning Care Group

UNPAID VOLUNTEER - Principal / Senior / Legal Advisors / Assistants (US-based)Blockchain & Climate Institute/ BCI America Inc.

SY 26-27 PrincipalGirls Global Academy

Resident PrincipalFriendship Public Charter School

High School Vice Principal (SY26 - 27)KIPP DC

Principal Counsel, TEDCOOffice of the Attorney General

Principal Contract Administrator / Sr Prncpl Contract AdministratorNorthrop Grumman

Principal Acquisition AnalystELS, Inc.

Elementary Vice Principal (SY26 - 27)KIPP DC

Principal Flight Controls System EngineerElectra

Principal Manufacturing Engineer - Primary StructuresElectra

Principal Manufacturing Engineer – Systems InstallationElectra

Principal Electrical Engineer (Aviation)Electra

Principal Systems Test EngineerElectra

Principal Data Engineer – Mission Data PipelinesBOOST LLC

Principal LogisticianThink Tank, Inc.

Principal Systems AnalystThink Tank, Inc.

Principal Electrical EngineerRussell Solutions Group

Senior Principal/Staff Cyber Software Engineer (TS/SCI)SHLD, Inc.

Principal Cyber Software Engineer (Front End/UI-Focused) CI PolySHLD, Inc.

Senior Principal Cyber Systems Engineer (DevOps Engineer) TS/SCI with CI PolySHLD, Inc.

Senior Principal/Staff Cyber Software Engineer CI PolySHLD, Inc.

Principal Consultant Project Manager - Utility Return on Equity & Cost of CapitalConcentric Energy Advisors, Inc.

Principal Consultant/Lead Expert Witness - FERC Ratemaking & Regulatory Expert Electric & Gas PipelinesConcentric Energy Advisors, Inc.

Principal Enterprise Network EngineerVirginia Tech Applied Research Corporation

Principal Federal Solution ArchitectGormat

PrincipalFriendship Public Charter School

Principal/Senior Engineer, PropulsionProtingent

Principal Systems EngineerIntrepidus Talent Solutions

Principal Program Manager - InformaticsBlue Water Thinking

Principal Cloud Systems EngineerGliaCell Technologies

Principal DevOps EngineerGliaCell Technologies

Principal Software Engineer (AI - Assisted Developer Tooling)GliaCell Technologies

Principal Full Stack Software EngineerGliaCell Technologies

Principal (Federal Health)Prometheus Federal Services

Principal Reverse EngineerGliaCell Technologies

Radar Modeling Engineer - Principal /SMEAstrion

Principal Analytics ManagerElder Research

Principal Cyber Software Test EngineerVTG

Environmental Senior Project Manager - PrincipalECS Ltd

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