142 jobs found in Fairfax, VA

Salary : $88,765.46 - $155,339.60 Annually Location : FX. CTY. GOVERNMENT CENTER, 12000 GOVERNMENT CENTER PKWY., FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-01132 Department: Facilities Management Opening Date: 08/01/2026 Closing Date: 9/11/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open to General Public Job Announcement $5,000 Signing Bonus *This position includes a signing bonus for new merit county employees. This position serves as a technical expert overseeing a wide range of architectural design and space management activities. Leads and guides design professionals in planning, designing, and delivering interior retrofit projects for commercial buildings, including producing and stamping architectural drawings. Also supervises a team of 2 or more employees. This position works under the principal architect of the department. Provides professional support across more than 230 county-owned and designated leased facilities...

**On-site position located in Chantilly, VA** INSPIRED.COMMITTED.CONNECTED. These are the qualities of our work-and of the people who do it. If these qualities are part of your life, too, you'll want to explore a career at EKFox. As part of our creative, can-do team, you'll have the chance to realize your full potential through a wide range of challenging engineering assignments. You can take pride in helping us to design for future generations, working to enrich America's security-at home and abroad-and spearheading exciting new directions in sustainability and energy efficiency. EKFox is an experienced team of talented, motivated individuals who share a passion for solving problems and improving the built environment. We continue to strengthen our commitment to provide a work environment and culture that stimulates creativity, values integrity and encourages professional growth. We are looking for a Senior Electrical Engineer to join our future: The Senior Electrical...

Structures Design Engineer- Staff/Senior Position Overview At Aurora Flight Sciences, we design, build, and fly advanced aircraft and enabling technologies from concept to reality. We are searching for a talented and self-motivated Structures Design Engineer- Staff/Senior to help us create the future of flight. Responsibilities will include but not be limited to the following: Responsibilities Technical Leadership: -Provide the first line of technical authority within the design team, with responsibility for approving design concepts and determining technical objectives for projects. -Lead by example, mentoring and guiding junior engineers while working independently for extended periods. Design and Development: -Create airframe structural configuration layouts and detailed designs, including preliminary sizing, joint layouts, and interface boundary definitions for parts and assemblies, working with both metallic and composite materials. -Develop and maintain CAD...

Quick Position Facts! Location: Arlington, VA Work Setting: At our G2 Ops office, with hybrid schedule available based on program requirements Salary Range: $130,000-$175,000 plus comprehensive benefits package. Years of Industry Experience: 7+ years of relevant experience. Security Clearance Requirement: Must be able to obtain and maintain Active DoD Secret Clearance. About the Role . G2 Ops supports mission-critical defense and technology initiatives by solving complex operational and engineering challenges. We are seeking a motivated, collaborative Senior Mechanical Engineer to develop the engineering drawings and Technical Design Packages needed to place complex antenna and radio frequency systems on contract. In this role, you'll contribute to mechanical and electromechanical system design, technical data development, and configuration management while working alongside a team that values innovation, technical excellence, and continuous growth. You will...

If you think your skills, experience and aspirations make you a good match for this position, we encourage you to apply. This role is remote within the U.S., with a preference for candidates located in or near: Arlington, VA; Baltimore, MD; Boston, MA; Buffalo, NY; Chicago, IL; Dallas, TX; Denver, CO; Los Angeles, CA; San Diego, CA; St. Louis, MO; or Pittsburgh, PA. ABOUT THE ROLE You will be a member of our multi-disciplinary team and will perform as a high-level specialist in a lead role for the electrical engineering team. Projects may include new construction and renovation in educational, healthcare, sports, corporate commercial and science and technology. HERE'S WHAT YOU'LL DO Perform electrical engineering systems design for building construction. Initiate project designs and help to develop design goals and systems. Oversee, guide, mentor and provide technical leadership to designers and engineering team. Participate or lead project teamwork planning sessions....

Senior Electrical Engineer Location: Sterling, VA 23220 About Accelevation We build what the future runs on. Accelevation designs, manufactures, and installs the physical infrastructure that powers today's most advanced technologies. We've grown over 440% in the last 18 months because we take ownership, solve hard problems, and build with purpose. Join us to build the future. Your Impact As a Senior Power Electronics Engineer, you will own the electrical design of high-current solid-state switching platforms that power mission-critical environments. Your work will directly influence the reliability, protection strategy, and performance of systems where failure is not an option. You will lead detailed schematic design for SCR/thyristor-based switching architectures, shaping protection strategies, fault response behavior, and thermal performance at the system level. This role blends deep technical expertise with cross-functional leadership, partnering with firmware,...

Alpha Corporation, established in 1979, is a full-service woman-owned firm providing civil and structural engineering, program and construction management, project controls, and technology services for transportation, aviation, buildings, and heavy infrastructure projects. We provide services to a broad spectrum of clients, including federal, state, and local government agencies, as well as private-sector clients. Alpha has been delivering engineering solutions since the firm's inception. Our vision is to be recognized by our clients for responsive, innovative, and quality services in the transportation and infrastructure sectors and to be the employer of choice. Alpha was awarded the ENR Mid-Atlantic Design Firm of the Year and is consistently recognized as a leading engineering and PM/CM firm. Position Summary Alpha Corporation is seeking an experienced Senior Civil Engineer / Project Manager to support the growth and delivery of our aviation practice, with a primary...

Title: UAS Composites Engineer Company: Heven AeroTech Location: Sterling, Virginia FLSA: Exempt About Our Company: At Heven AeroTech (Heven), we don't just believe in the power of people-we build our success on it. As a recognized leader in hydrogen-powered drones, we've earned recognition for creating a workplace where innovation thrives, collaboration is second nature, and every employee feels valued. Our culture is anchored in trust and a shared commitment to excellence. We believe great teams are built on individuals who are humble, hungry, and smart -those who put team success first, take initiative to continuously improve, and demonstrate strong interpersonal awareness. At Heven, your voice matters, your ideas are heard, and your contributions make a tangible impact as you grow through hands-on experience and collaboration across the team. Role Summary: We are seeking a highly skilled UAS Engineer with a focus on composite structures and payload integration to...

Requisition Number: 27766 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $84,285.00 - $224,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is...

Requisition Number: 27790 Required Travel: 0 - 10% Employment Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $121,896.00 - $191,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Meet HII's Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies...

Job Family: Scientific Research & Analysis Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are searching for a Cardiac Catheter Development Engineer with industry-based experience to support the development of minimally invasive, non-surgical cardiac catheter technologies. The selected individual will be supporting cardiovascular intervention research at the National Heart, Lung, and Blood Institute (NHLBI) through the provision of hands-on engineering support for the iterative design, prototyping, manufacturing, and testing of cardiovascular catheter devices and imaging algorithms. This is a full-time onsite role in Bethesda, MD. Support engineering research and development efforts focused on next-generation catheter systems, guidewires, and accessory electronics. Design catheter components (shafts, distal tips, steering and deflection mechanisms, and sensor integration) using advanced materials such as polymers,...

The ocean is the largest undeveloped frontier on earth - and the next chapter of abundant energy will be written at sea. We're building the infrastructure to power it. About Ocean Atomics (OA) Ocean Atomics is an American company designing, licensing, and assembling a standardized nuclear electric power plant and the surrounding support systems for maritime applications. We will install these plants on any vessel built to our nuclear-ready standards, and will provide end-to-end sustainment in our planned nuclear lifecycle dockyard. We will help develop the licensed operators to unlock this new capability for your energy intensive application at sea. To move fast and to lead the creation of this new market, we are leveraging the compact, proven systems enabled by water-cooled reactors. Our mission Scale nuclear energy. Power generations. Our vision A maritime commons thriving with abundant, economical, modern, and safe nuclear-powered activity - built, serviced, and...

Overview: HGA is hiring - Fire Protection Engineer! Washington, DC HGA is expanding our Fire Protection Engineering Department, and we're looking for a talented licensed engineer to join our collaborative, multidisciplinary team. You'll work side-by-side with architects and engineers on projects that span healthcare, corporate headquarters, laboratories, museums, government facilities, higher-education campuses, and major infrastructure improvements. If you're passionate about fire protection, life safety, and designing environments that protect people and property, this is your opportunity to make an impact. In this role you will: Participate in the design and/or review of fire protection and life safety systems on multi-discipline projects. Coordinate with and support other A/E disciplines. Participate in design review meetings and workshops. Assist with preparation of comprehensive fire protection packages including fire suppression, fire alarm, smoke...

Overview About M.C. Dean M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. Why Join Us? Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values, agility, expertise, and trust we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. The Mission...

Overview We are seeking a Mid to Senior level Systems Engineer (SPC 3) in Washington, DC to provide Engineering Support Services to Engineers and Subject Matter Experts in support of the Conventional Prompt Strike (CPS) Program under the Department of Navy, specifically focused on Weapons Systems . The candidate will be supporting multiple engineering disciplines such as the following but not limited to: Mechanical, Electrical, Systems, Information Systems, Navigation, Flight Software, Industrial, Re-entry hardware and Flight Termination Systems. Position is onsite at the Washington Navy Yard with some telework. What will you do? Candidate will also need to be familiar with EIA-649 Configuration Management standards and practices. Additionally, candidate will need to be familiar with Model & Simulation for SPC4 which is performed by SMEs at JHU/APL, SNL, Draper, LM, and warfare centers. SPC3 has the oversight of this work to ensure the MYS results are consistent and...

About the Company The company is a leading provider of integrated facility solutions dedicated to making buildings more energy-efficient, sustainable, and cost-effective. Through innovative HVAC engineering, electrical upgrades, building automation systems, preventative maintenance, and energy optimization, the company helps commercial and institutional clients reduce operating costs while improving building performance and environmental impact. About the Position Our client is seeking an experienced Senior Mechanical Engineer to lead the design and engineering of complex HVAC systems, boiler plants, and chiller plants for commercial and institutional facilities. This is an excellent opportunity for a technically strong engineer who enjoys solving challenging engineering problems, mentoring junior staff, and collaborating with multidisciplinary teams throughout the entire project lifecycle-from conceptual design through construction. The Senior Mechanical Engineer will...

Sol Systems is seeking a Senior High Voltage (HV) Engineer who will provide technical guidance during origination, interconnection, project development, pre-construction, financial closing, construction, and commissioning for high voltage facilities (substations, transmission lines, and interconnection switchyards) that are part of PV and BESS plants. The Sr. HV Engineer will lead the late-stage interconnection process for utility scale PV and BESS projects from the facilities study phase to GIA negotiations, including leading negotiations with the transmission owner, and will lead long-term construction coordination during development and pre-construction. They will also guide internal stakeholders, consultants, and EPC's towards the design and construction of the high voltage facilities. Lastly, the Sr HV Engineer will support the procurement teams with technical guidance towards the specification and purchase of GSU's and HV Breakers. Sol Systems designs and delivers...

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Project Manager/Senior Mechanical Design Engineer (MEP) - National Capital Region (NCR) Interface Engineering Inc. (Relocation will be offered for highly qualified candidates.) At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company...

Senior Electrical PE (Federal / DoD) Company: LRS Federal Location: Corporate / Remote Position Type: Full-Time, Senior Level Position Overview LRS Federal is seeking a high-caliber, licensed Electrical PE with an extensive background in federal and defense sectors to join our corporate engineering team. This is not a purely administrative role; we are looking for a senior technical expert who possesses 15+ years of experience and continues to actively perform physical electrical engineering design work. The successful candidate will lead the design, analysis, and quality control of complex electrical infrastructure projects for the Department of Defense (DoD), Department of Energy (DOE), and civil federal agencies (GSA, VA). Mandatory Qualifications ("Must-Haves") Candidates who do not meet all of the following criteria will not be considered: Licensure: Active Professional Engineer (PE) license in electrical engineering (with the ability to obtain reciprocity in...

Do you want to be a part of the clean energy movement? Are you passionate about improving our environment for this generation and those to follow? Are you ready to take on new challenges and collaborate with a future-focused team leading the way into new markets? Join Nexamp! This is where you can learn from industry leaders and become one yourself. It's fast-paced, mission-based work that challenges the status quo. Be on the team that's changing the world. What we're looking for: Nexamp is looking to hire a Senior Electrical Engineer to join it's Clean Energy Deployment team. You will be responsible for review of solar & storage projects design by providing technical expertise in the interconnection, construction, and assisting in the commissioning of distributed energy resources (DERs). We are accepting candidates across our hub offices of Chicago, Boston, DC, and NY. We are supporting hybrid work. You will report to the Director, Electrical Engineering. What...