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7 mechanical design engineer jobs found in Fairfax, VA

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Fairfax mechanical design engineer Virginia
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Full time  (7)
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WR
Dec 23, 2025
Full time
Senior Mechanical Engineer
Whitman, Requardt & Associates, LLP Fairfax, VA, USA
At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for 110 years and we are known for our quality work and developing quality employee careers. We are seeking the very best and most talented to join our team - help us take on challenges, develop vision solutions, and innovate and design the infrastructure of the future that will transform the world! Whitman, Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and sustainable solutions to our clients' most complex challenges. With a history spanning over 100 years, our firm has a strong reputation for excellence in design, engineering, and construction services. We are seeking a talented and experienced Senior Mechanical Engineer to join our team in our Fairfax, VA office. As a Senior Mechanical Engineer at Whitman, Requardt & Associates, LLP, you will play a pivotal role in the...
WR
Dec 23, 2025
Full time
Mechanical Engineer - Mid Level
Whitman, Requardt & Associates, LLP Fairfax, VA, USA
At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for 110 years and we are known for our quality work and quality employees. This is your chance to join our team - help us to design the infrastructure and buildings that improve the world! We are currently seeking an experienced Mechanical Engineer to join our Building Design Group in our Fairfax, VA office. As a Mechanical Project Engineer, you will be a key player in completing the design and construction administration for small to medium-sized projects, as well as collaborating within larger design teams for substantial projects. We are looking for a highly experienced mechanical engineer with in-depth knowledge of various mechanical system designs, including DX packaged systems, hydronic systems, chilled water plants, heating water plants, and plumbing. Responsibilities: Construction Documentation: Develop plans, sections, schedules, details, controls, cost...
St
Dec 23, 2025
Full time
Mechanical Engineer - HVAC, Plumbing, Fire Protection Systems
$107,100 - $160,700 yearly
Stantec Fairfax, VA, USA
Communities everywhere share the need for clean water. And as they work to meet that need, they're facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect our world's most precious resource. Join our team to deliver transformational projects that will benefit future generations. Grow with us, H2O+U. Your Opportunity As a Mechanical Engineer, your role in our professional consulting services team is to work independently on multidisciplinary projects of various complexity as a discipline leader, through all phases of a project lifecycle. You are responsible for leading the design of HVAC, Plumbing, and Fire Protection systems on municipal water treatment plants, pumping stations, wastewater treatment plants, hydroelectric power plants, and private industrial water applications in different...
TS
Dec 21, 2025
Full time
Senior Systems Engineer
Trident Systems, Inc. Fairfax, VA, USA
Position Title: Senior Systems Engineer Requisition ID: [TBD by HR] Position Location: Fairfax, VA OR Concord, NH (onsite) Position Reports To: Senior Principal Systems Engineer Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to drive innovation and solve complex problems. We foster a culture of rigorous engineering and continuous improvement, leveraging the full knowledge of our organization through collaborative product development processes that include design and peer reviews. We combine our expertise in space electronics with right-sized development processes to create innovative, high-performance space-based electronic systems that meet our customers' evolving needs. We are a mission partner supporting DoD, Intelligence Community, and Civil space customers. We develop complex, radiation effects mitigated, designs that balance competing requirements in modern space...
WR
Dec 20, 2025
Full time
Mission Critical Electrical Engineer - Mid-Level
Whitman, Requardt & Associates, LLP Fairfax, VA, USA
At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for 110 years and we are known for our quality work and quality employees. This is your chance to join our team - help us to design the infrastructure and buildings that improve the world! We are seeking a highly skilled Mission Critical Professional Electrical Engineer to join our dynamic team responsible for the design and analysis of high-reliability electrical systems supporting mission critical environments and data centers. The ideal candidate will have a strong background in electrical engineering with a focus on power distribution, redundancy, system resilience, and energy efficiency in mission critical applications. This is an onsite position in our Fairfax, VA office. Responsibilities The engineer shall be able to lead small to medium electrical design projects and direct junior-level engineers. The engineer must excel at collaboration with clients, the...
CE
Dec 18, 2025
Full time
Engineer (48426)
Collins Engineers Inc. Fairfax, VA, USA
Collins is an ENR Top 500 Design Firm. We have opportunities for you. As an Entry Level-Structural Inspection Engineer, in our Fairfax, Virginia, office, you will have the chance to be coached by seasoned engineers. The successful candidate will have a background and interest in structural engineering. This position will provide the opportunity for growth, where continuing development and participation in professional societies will be encouraged and supported. This position includes a combination of structural design and inspection projects. Projects primarily include transportation structures (bridges and ancillary) and waterfront facilities (piers, wharves, and bulkheads). The position is a mix of office and fieldwork with some travel required. Typical Duties and Responsibilities : Perform design and inspection/field work that does not require previous experience. Assist in the completion of inspection and assessment reports. Prepare design computations and...
SI
Dec 15, 2025
Full time
Water Resources Engineer
STV Incorporated Fairfax, VA, USA
STV Inc. is seeking a Water Resources Engineer for our Fairfax, VA location. We have a thriving Mid-Atlantic Transportation practice with a close-knit, team-oriented group that is growing rapidly. Due to our success, we need to continue to add resources to assist with the delivery of our current extensive backlog of work. This backlog includes tasks associated with various infrastructure improvement projects for VDOT, DDOT and MDOT as well as numerous municipal, institutional, and private sector clients. This role offers unlimited opportunities to manage projects, mentor junior staff, interact directly with clients, while promoting the culture of a healthy work-life balance. This role offers the opportunity to function as a key resource in support of our other offices and have a direct impact on the improvement of infrastructure nationally. This position offers excellent potential for career advancement as this individual would assist other senior staff in guiding...
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