Mechanical Engineer
HDR
DescriptionAt HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?Watch Our Story:' ' We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high-performance data centers driving the future of AI to dynamic commercial environments, your work will directly support technological advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy efficiency, integrating resilient systems, or engineering the backbone of next-generation facilities, your contributions will help define the future of the built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of excellence.Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world. In the role of Mechanical Engineer, we'll count on you to: Coordinate the work of the mechanical design team through the schematic design development and contract document phase of a projectBe responsible for the design of mechanical systems across a variety of building typologies.Coordinate the work of the mechanical design team through the schematic design development and contract document phase of a projectEstablish meetings and participate in reviews with various governing agencies for code complianceCoordinate workload to complete the document on scheduleConduct work sessions at the project site in conjunction with the Project Manager and other disciplinesReview mechanical documents for areas of conflict with all disciplinesWrite and edit mechanical specifications, selects equipment, mechanical systems and devicesCoordinate with and assist affected disciplines with addenda, RFIs, CPRs and change orders, and take responsibility to incorporate agreed-upon changes into the project documentsProvide construction contract administration as neededConduct QA/QC on the work of other Mechanical Project Engineers, Mechanical Project Coordinators or Mechanical CAD Technicians as neededPerform other duties as needed Preferred Qualifications Master's degree in Architectural Engineering with Mechanical emphasisA minimum of 3 years experience in mechanical system design of commercial, institutional, or federal buildingsExperience with the design of healthcare, laboratory, data center, aerospace, and/or federal/DOD facilities.Experience and/or interest in sustainable design/LEED desired but not required. Preference given to candidates currently residing in the Mid-Atlantic (VA, MD, DC) Area*LI-MJ1QualificationsRequired Qualifications Bachelor's degree in Mechanical Engineering Previous experience in mechanical system design of commercial or institutional buildings Requires professional engineering license recognized by the licensing board for the location of the position offered. Example: Professional Engineer (PE or P.Eng) license.Experience in commercial or institutional facilities Computer experience using MS Office, Trane TRACE or similar software, manufacturer selection software Previous experience with an architectural/engineering or engineering consulting firmAn attitude and commitment to being an active participant of our employee-owned culture is a must What We BelieveHDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.Our CommitmentAs employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.Job Field: Building EngineeringSchedule: Full-timeEmployee Status: Regular
$112k - $190k
TSC is seeking a highly motivated and skilled Mechanical Design Engineer to support our customer in Washington, DC. The ideal candidate will be a hands-on engineer with a strong background in mechanical systems and equipment, assemblies and product development. This role...SuggestedFull timeContract workFor contractorsWork experience placementFor subcontractorLocal areaRelocation packageFlexible hours$90k - $125k
...Our team is growing and we are seeking a Control Systems Engineer to join our federal team supporting the Pentagon in Arlington,... ...efficiency and sustainability needs, primarily related to the HVAC Mechanical and HVAC Controls (Building Automation Systems). At Johnson...SuggestedWorldwideMonday to Friday- ...efficient, sustainable, and cost-effective. Through innovative HVAC engineering, electrical upgrades, building automation systems,... ...About the Position Our client is seeking an experienced Senior Mechanical Engineer to lead the design and engineering of complex HVAC systems...SuggestedFull timeFor contractors
- ...our impact on the world?Watch Our Story:' We believe building engineering is more than systems and structures, it’s about powering... ...advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to...SuggestedContract work
$86.8k - $198k
Mechanical EngineerThe Opportunity:Provide mechanical engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects...SuggestedFull timeContract workPart timeFor contractorsWork at officeLocal areaRemote work- ...Management, Compliance, Business Process, IT Effectiveness, Engineering, Environmental, Sustainability, and Human Capital. We help forward... ...About ProSidian Consulting at DescriptionProSidian Seeks a Mechanical Engineer | Technical Due Diligence & Engineering Validation...Full timeContract workTemporary workFor contractorsWork at officeRemote workFlexible hours
$107.3k - $155.5k
...the world’s leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists,... ....Your OpportunityOur Buildings team is looking for a Project Mechanical Engineer with a focus in HVAC design. You will work with direct...Full timeTemporary workPart timeFor contractorsFor subcontractorCasual workWork at officeLocal areaFlexible hours$103.8k - $218.1k
Job Title: Mechanical EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee... ...team supporting National Security Initiatives as a Mechanical Engineer. Come grow your career at CACI, your potential is limitless....Contract workFor contractorsWork experience placementLocal areaFlexible hours$120.58k
...This is an Excepted Service position and does not require or confer Civil Service Competitive StatusWork type: Permanent, Full TimeRelocation: FalsePosition ID: CPP-2026-106Document ID: 863228900Grade: GS 13Job category: Mechanical Engineering (0830)Hiring path: publicPermanent employment$110k - $175k
...Our Community of Food People!The Senior Refrigeration Systems Engineer is responsible for the design, optimization, reliability, and... ...continuous improvement of infrastructure, automation, controls, mechanical, electrical, and facility support systems.The Senior...Minimum wageFull timeTemporary workFor contractorsWork at officeLocal areaRemote workFlexible hoursNight shift$126.4k - $189.6k
...the world’s leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists,... ...place with Stantec.Your OpportunityWe are seeking a Senior Mechanical Engineer to help lead exciting and complex projects to join our...Full timeContract workTemporary workPart timeFor contractorsCasual workWork at officeLocal areaFlexible hours$123.6k - $170k
...every location. We're looking for a high-energy, Senior HVAC Engineer with extensive experience in dust collection systems to help deliver... ...Advanced Manufacturing clients. You will lead our Building Mechanical team members on projects, perform field investigations,...Full timeWork at officeRemote work$120k - $148k
ARA is seeking a Senior Mechanical Engineer to support the design of equipment, tooling, and equipment interfaces for energetics chemical manufacturing systems and unmanned systems (UxS) programs supporting U.S. Government customers. This role spans a broad range of mechanical...Full time- ...to learn how you could help make great things possible not only in your community, but around the world.In the role of Senior Mechanical Engineer (Pipe Stress), we'll count on you to:Perform pipe stress analysis and piping design for projects and prepare reports on the...Contract workWork at office
$115.2k - $150k
This OpportunityWSP is currently initiating a search for a Sr. Mechanical Engineer to work at Fort George G. Meade Army Base at Fort Meade, MD. Be involved in projects with our WSP USA Solutions Inc. Team and be a part of a growing organization that meets our clients’ objectives...For subcontractorWork at officeLocal areaFlexible hours$84.7k - $144.43k
...Senior Mechanical Controls Engineer - Mission Critical DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work we do around the world and inspires our mission to improve the lives of our clients, our...Work at officeLocal area$90k - $120k
Start designing tomorrow’s future! Buro Happold has an exciting opportunity for a talented Senior Mechanical Engineer to join our hybrid team in Washington, DC! As a Senior Mechanical Engineer you will have the opportunity to lead design for mechanical engineering across...Permanent employmentContract workSummer workImmediate startFlexible hours$140k - $150k
TITLE: Sr. Mechanical EngineerENVIRONMENT: EngineeringLOCATION: Washington D.C., Illinois or TexasCOMPENSATIONRANGE: $140,000.00 - $150... ...sponsorshipPOSITIONSUMMARY: We are seeking a Senior Mechanical Engineer with 8+ years of HVAC and Plumbing design experience to join...Work at officeLocal area- ...become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction... ...DescriptionAECOM is seeking a creative and highly talented Senior Mechanical Engineer for immediate employment in our Dallas, TX office....Contract workFor contractorsWork at officeLocal areaImmediate startRemote workWorldwideFlexible hours
$120k - $150k
...Job Description We are seeking an HVAC Mechanical Engineer / Project Developer to join our federal team that specializes in supporting U.S. military and other U.S. federal government sites, primarily within our Mid-Atlantic / National Capital Region (VA/MD/DC area...For subcontractorLocal areaRemote workWork from homeWorldwide$168k - $205k
At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our...Temporary workFor contractorsWork at officeLocal area3 days per week$120k - $150k
...Job Title: Mechanical EngineerJob Description This role focuses on the mechanical design of large commercial buildings, with a strong emphasis on data centers. The mechanical engineer performs load calculations, selects HVAC equipment, and develops HVAC and plumbing...Permanent employmentTemporary workFor subcontractorWork at officeFlexible hours- ...Job Title: Mechanical EngineerJob Description This Mechanical Engineer role focuses on facility and building HVAC and plumbing design for new construction and renovation projects across a variety of sectors. The position offers the opportunity to take ownership of...Contract workTemporary workWork at officeLocal areaFlexible hours
$105.7k - $158.7k
...Step into an exciting opportunity as a Senior Mechanical Engineer at Romac. In this senior-level role, youll design, develop new products, improve existing ones by applying advanced engineering principles and creative problem-solving. Youll define technical approaches...Temporary workLocal areaFlexible hours- ...schedules, and ensure compliant delivery on federal contracts of $150M or greater. This role requires 8+ years in MEP PM, a BS in engineering, and PMIS proficiency (Procore, eBuilder, Kahua). Onsite work is required with the ability to obtain HSPD-12 clearance. #J-18808-...
- ...Mechanical Engineer Job Location: Washington, DC Eligibility/Clearance: Secret or Interim Secret Responsibilities Review, verify, and update mechanical infrastructure data within SMS Builder, including HVAC equipment, piping systems, plumbing components, pumps...Interim role
- ...Mechanical Design Engineer III Working under limited supervision, the Mechanical Design Engineer III will design, develop, test, implement, and perform analysis of technical products and systems associated with Thermal Protection Systems (TPS), related textile (softgoods...Permanent employmentFull time
- ...renovations, minor construction, and major equipment repairs; engineering, construction, and operations support; custodial and grounds... ...operations; and physical and technical security services. As the Mechanical Engineer , you will be designing, analyzing, and...Contract work
$80k - $125k
...cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.Your impactWe’re seeking a Mechanical Engineer to join our team in Arlington, VA. As part of our team, you’ll have the chance to work on projects that bring innovative...Civilian ContractorFull timeRemote workWorldwide- Management Systems International (MSI), a Tetra Tech Company, needs a Mechanical Engineer in Bangkok, Thailand for construction of New US Embassy Office Annex and Embassy Upgrade with State Dept. Bureau of Overseas Buildings Operations (OBO). Requires a US Govt. Secret...For contractorsWork at officeLocal areaWorldwideOverseas
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