Mechanical Engineer I
Affiliated Engineers, Inc
Mechanical Engineer IJoin a team where engineering excellence drives opportunity. At Affiliated Engineers, Inc. (AEI), we bring together expertise and innovation to solve the most complex challenges. Since 1978, we've supported mission-driven organizations in designing systems and environments that advance society and improve lives. Today, with more than 900 professionals across 22 offices, we help shape the future of healthcare, science and technology, energy, education, and other vital sectors.From elevating patient care in Mayo Clinic's world-class hospitals to enabling discovery in high-containment laboratories for U.S. agencies and driving environmental progress with Microsoft's renowned Thermal Energy Center, our work enriches the human experience, safeguards the environment, and pushes the boundaries of possibility.At AEI, you'll join a collaborative community where your expertise fuels innovation, your ideas drive progress, and your work helps shape a brighter future.As a Mechanical Engineer I in our Washington, D.C. office, you will help us empower our clients to achieve energy-efficient building solutions, save global environments, and create a better, greener future for all.Why we need you:Within our team framework, you will initially work with and be mentored by experienced engineers and will yourself help to mentor designers. Your initial assignments will include performing load calculations, determining system sizing and layouts, calculating equipment sizes, selecting equipment, completing field surveys, and reviewing equipment shop drawings. As you gain project experience, you will take on a greater role in leading mechanical project teams, writing specifications, participating in project meetings with clients and other consultants, and supporting construction-phase work.Expertise of our most successful Mechanical Engineer I:BSME/BSAE from ABET accredited school.Minimum GPA of 2.5.Non-academic internship.Leadership involvement in extracurricular activities/student organizations preferred.EIT certification (Passed the FE exam) a plus.Internship experience in the MEP consulting engineering field preferred.Effective skills to help you flourish:Strong spoken and written communications skills.Excellent organization and time management skills.Quick technical comprehension and motivation focused on client outcomes.Able to effectively prioritize multiple tasks.Effective working individually and within team environments.When you work here, you can expect:A flexible, collaborative environment where your well-being matters—because your best work happens when you're supported.Real opportunities to grow—through mentorship, professional development programs, and exposure to high-impact projects across disciplines.To collaborate with inspiring teammates who challenge the status quo, foster innovation, and pave the way for future leaders.A benefits package that offers health, dental, vision, and retirement, a performance-based year-end bonus, and thoughtful perks tailored to your needs—whether that's a flexible work environment, wellness resources, or community-focused initiatives, we'll continue to invest in.If this dynamic environment and the chance to contribute to transformative projects resonate with your ambitions, we would love to connect with you. Join us and make an impact!
- Wiley|Wilson, a 100% employee-owned architecture and engineering firm, is looking to add a seasoned Senior Mechanical Engineer with expertise in district utilities to our Alexandria, VA office. This role is ideal for a driven professional eager to help grow our established...SuggestedWork at officeWork from home
$100.02k - $152.81k
...to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead...SuggestedHourly payFull timeLocal areaRemote workWorldwideFlexible hours3 days per week- ...Controls EngineerTransform the everyday with us! Building Automation Engineers serve as a technical leader during pre-construction and early... ...work with an engineer to prepare design documents, including mechanical system layouts, electrical drawings, system integration, bills...SuggestedPermanent employmentContract workFor contractorsWork at officeLocal area
$90k - $125k
...EngineerOur team is growing and we are seeking a Control Systems Engineer to join our federal team supporting the Pentagon in Arlington,... ...and sustainability needs, primarily related to the HVAC Mechanical and HVAC Controls (Building Automation Systems).At Johnson Controls...SuggestedWorldwideMonday to Friday- ...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
$143.14k - $235k
...capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support... ...to life in the field, this is the place for you. Bring your mechanical engineering expertise—and shape the role based on your...Full timeWork at officeLocal areaWorldwide$125.12k - $187.68k
...Tysons, Virginia, and employs more than 7,000 professionals who engineer and deploy automated, secure, and resilient power and... ...required by the customer.ResponsibilitiesWe are seeking a skilled Mechanical Engineer to lead and support design, bid, and execution of mechanical...For contractorsFor subcontractorLocal area- ...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
- ...designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity... ...OverviewWe are seeking a highly skilled and detail-oriented Mechanical Harness Engineer to join our dynamic team working on state-of-...Casual workWork at office
$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$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- ABM is seeking a Building Engineer to support daily operations of building systems at a facility in Arlington, VA. The role covers HVAC, electrical, and plumbing equipment, basic maintenance, troubleshooting, and responding to tenant requests with a focus on safety and...
$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$84.7k - $144.43k
...Senior Mechanical Controls Engineer - Mission CriticalDLR 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 communities...Work at officeLocal area$75k - $105k
...operator on the total building control system. Participates in the release meeting with project field team. Performs value engineering to provide cost effective results while maintaining customer satisfaction. May provide work directions to Systems Design Assistants...Contract workFor contractorsFor subcontractorH1bRemote workVisa sponsorshipWork visa$110k - $140k
Company DescriptionSenior Mechanical Engineer, Energy Systems333 West Washington St, Syracuse, United StatesFull-timeApplicants must be currently authorized to work in the United States on a full-time basis. No sponsorship is available for this position.Inviting Bright...Full timeWork at officeNight shift$80k - $90k
...sweet career we have in store for you.Purpose of the job:The HVAC Engineer is responsible for the design, performance, and reliability of... ...humid environment; in areas of high noise level; and around mechanical, electrical, and pressurized equipment. The work is fast paced...For contractorsH1bFlexible hoursShift work$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$114k - $172k
...get to space — our world class Space Systems team is empowering some of the boldest and most ambitious space missions.SENIOR MECHANICAL ENGINEER IIAs a Senior Mechanical Engineer at Rocket Lab’s Silver Spring, Maryland location, you will lead development of innovative and...Permanent employmentLocal areaFlexible hours- ...put that expertise to work keeping a fast-paced cold-chain manufacturing facility running at peak performance. This is a hands-on engineering maintenance role with real ownership, and direct impact on production reliability.The Reality of the Role: Despite the "Engineer"...For contractors
- ...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
$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$130k - $190k
Job TitleSenior Mechanical EngineerLocationBethesda, MD 20800 US (Primary)CategoryResearch, Development, and EngineeringJob TypeFull-TimeCareer... ...DescriptionPrescient Edge is seeking a Senior Mechanical Engineer to support a federal government client.Benefits & Compensation...- ...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
$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$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$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- ...Principal Mechanical EngineerMission Technologies, a division of HII, is expanding - and we're looking for bold, inventive Principal Mechanical Engineers to join our fast-moving, interdisciplinary teams in our Alexandria, VA. At Mission Technologies, we design and build...Work at office
- ...Mechanical Design EngineerPosition Summary The Mechanical Design Engineer will support the design, development, and implementation of mechanical systems and equipment for a next-generation MOX fuel fabrication facility in the United States. This role will focus on the...For contractors
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