Mechanical Engineer
$88.55k - $143.75kHDR
HDR, a fully employee‑owned engineering firm, is seeking a Mechanical Engineer to join our Building Engineering Services Business Group in either the Walnut Creek or Folsom, CA offices. The role focuses on mechanical (HVAC and plumbing) design across a diverse set of markets including technology, education, healthcare, water/wastewater, municipal, industrial, power, and federal projects. Responsibilities Assume the mechanical lead and serve as the Mechanical and/or Plumbing Designer of Record (DOR) on small to mid‑sized data center, federal, and water/wastewater projects. Coordinate the mechanical design team through schematic design development and contract document phases. Establish client relations and participate in marketing, design, and production meetings regarding mechanical systems. Coordinate with governing agencies to ensure code compliance. Schedule workload to deliver documents on time. Conduct site work sessions with the Project Manager and other disciplines. Review mechanical and plumbing drawings for conflicts with other disciplines. Write and edit mechanical and plumbing specifications; select equipment, systems, and devices. Assist affected disciplines with addenda, RFIs, CPRs, and change orders, incorporating agreed‑upon changes. Provide construction contract administration as needed. Conduct QA/QC on the work of other engineers and technicians. Give direction to clerical and technical personnel as required. Perform other duties as assigned. Preferred Qualifications California Mechanical Licensed Professional Engineer (PE). Master’s degree in Mechanical Engineering. Minimum four (4) years’ experience designing mechanical and plumbing systems for federal, commercial, and/or institutional facilities. Experience with data center facility design and/or construction. Experience with water/wastewater, science and technology, hospitality, or finance facilities. Proficiency in MS Office, AutoCAD, Revit, IESVE, Trane Trace3D, or similar software. Experience in sustainable design/LEED desired but not required. Project Management experience. Preference given to local candidates; in‑person office culture required. Required Qualifications Bachelor’s degree in Mechanical Engineering. Prior experience designing mechanical systems for commercial or institutional buildings. Professional Engineering license recognized by the state where the position is offered (PE or P.Eng). Experience with commercial or institutional facilities. Computer skills using MS Office, Trane TRACE, and manufacturer selection software. Prior experience with an architectural/engineering or engineering consulting firm. Commitment to active participation in an employee‑owned, inclusive culture. Benefits Medical, dental, vision, short‑term and long‑term disability, and life insurance. Employee assistance program, paid time off, parental leave, paid holidays. Retirement savings plan with employer match. Employee referral bonus and tuition reimbursement. Competitive salary range: $88,550.00 – $143,750.00 annually, based on experience, education, and location. Location United States – California – Folsom or Walnut Creek. Schedule Full‑time, regular employee status, Building Mechanical business class. Employment Equity Statement HDR is an affirmative action and equal opportunity employer. We consider all qualified applicants, regardless of criminal histories, arrest, and conviction records. #J-18808-Ljbffr HDR
$110k - $130k
...Mechanical Design Engineer II (R&D) Location: Benicia, CA Job Type: Full time Requisition ID: JR100078 RIX Industries is a technology-focused company specializing in the design, development and manufacturing of gas generation systems, precision compressor...SuggestedFull timeWork at officeRemote workWorldwideShift work- ...in your community, but around the world. We believe building engineering is more than systems and structures, it’s about powering progress... ..., sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to...SuggestedContract workLocal area
$83.13k - $114.31k
...communication networks sold to businesses, governments and individuals for their own use. Scope of Position: Provides advanced mechanical engineering support to plant manufacturing operations, with responsibility for improving equipment reliability, process performance,...SuggestedFull timeFor contractors$79.73k - $148.08k
...further to learn how you could help make great things possible not only in your community, but around the world. HDR Engineering is currently seeking a Mechanical/Senior Mechanical Engineer to join one of the largest, fastest growing, and comprehensive TMT (Tech, Media and...SuggestedFull timeContract workTemporary workPart timeFor contractors$75k - $90k
CMTA, a Legence Company CMTA is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable... ...CMTA, a Legence company, is looking for an entry-level Mechanical Engineer to help in our Energy Solutions offices in the...SuggestedContract workLocal areaImmediate startFlexible hours$125k - $145k
## Mechanical EngineerApplylocations: Concord, CAtime type: Full timeposted on: Posted Todayjob requisition id: 2026-000710# What You... ...all aspects for complete designs of small and large mechanical engineering assignments using theoretical knowledge and practical design...- ...through the summer with flexible dates to fit the school calendar. The role focuses on mechanical/HVAC design and energy-efficient measures in MEP projects, taught by experienced engineers. You will gain hands-on training and collaborate with a design team on challenging...Full timeSummer workFlexible hours
$25 - $28 per hour
...position provides a unique opportunity for hands-on training in mechanical/HVAC/Energy design. The ideal candidate will possess excellent... ...and be able to work well with a team, and independently.Our engineers will teach the student co-op how we design and implement mechanical...Hourly payFull timeSummer workInternshipWork at officeFlexible hours- ...026 through the summer. You will gain hands-on experience in mechanical/HVAC/energy design while contributing to real project work. The... ...pursuing a Bachelor’s in Mechanical or Architectural Engineering (sophomore or junior preferred), with strong interpersonal skills...Full timeSummer workInternship
$150k - $190k
...CMTA, a Legence company CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in... ...opportunities. CMTA | Lafayette, CA (Onsite) Are you a mechanical engineering leader who thrives at the intersection of technical...Contract workFor contractorsWork at officeLocal areaImmediate startRemote workFlexible hours- ...Job Description Job Description Project Engineer position with a medium sized Heavy Highway contractor working on construction projects throughout the greater San Francisco Bay Area. Position will work with the project management team to perform multiple functions...For contractors
- ...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, we'll count on you to:Assume the mechanical lead and be the Mechanical and Plumbing Engineer of Record (EOR) on many...Contract workWork at officeLocal area
- CMTA, a Legence company, is seeking an entry-level Mechanical Engineer to support the Energy Solutions offices across multiple regions, including CA. The role emphasizes HVAC design, commissioning, and performance contracting, with opportunities to lead project phases from...
- ...Mechanical Senior Project ManagerMechanical Senior Project Manager needed ASAP for a well-respected, growing mechanical contractor in California! Come work for a company that has many years of proven excellence, great compensation and benefits that shows no signs of slowing...For contractorsImmediate start
- ...Commercial Mechanical Project Managers – Lead Successful Commercial ProjectsWe are looking for an experienced Commercial Mechanical Project Manager to oversee mechanical construction projects from planning through completion. This role offers the opportunity to work with...For contractorsFor subcontractor
$60 - $70 per hour
...Job Title: Mechanical Test Engineer Job Description The Mechanical Test Engineer designs, develops, and validates complex mechanical test beds and environments that accurately simulate real-world operating conditions for advanced battery energy storage systems. This role...Contract workTemporary work$120k - $170k
OverviewSr. Electrical Engineer - Walnut Creek, CA (Remote/Hybrid - preference is for candidates to be located in California)At NV5, we recognize the increasing demands on the U.S. electrical grid and the challenges in modernizing power delivery infrastructure. Our team...Full timePart timeWork at officeLocal areaRemote workFlexible hours- ...Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active Overview Design, regulate, and oversee the Navy's nuclear propulsion program, including reactor design, fleet operations, and eventual defueling and decommissioning of...ApprenticeshipWork at office
- Terranova in Berkeley is seeking a Mechanical Engineer to own the mechanical design of large-scale robotic systems. You will work across mechanical, electrical, and controls disciplines, owning problems end-to-end, moving fast, and building machines for real-world field...
$20 - $28 per hour
A climate-focused robotics company in Berkeley is seeking a Mechanical Engineer Intern who will take ownership of mechanical design for large-scale systems. Responsibilities include engineering calculations, prototype builds, and collaboration with cross-functional teams...Hourly payInternshipRelocation package$32.92 per hour
...encourages diverse perspectives, develops our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery, you can expect to become familiar with industry codes and best practices, build critical thinking...Hourly payFull timeSummer workInternshipLocal areaVisa sponsorshipWork visa$120k - $184k
...developing innovative solutions for the consulting, architecture, engineering, project controls, procurement, construction management, and... ...life sciences industry.We are looking for a talented Senior Mechanical Engineer to join our team based inEmeryville, California.In...For contractors$18.75 - $53.41 per hour
...Harbors Benicia, CA is looking for a Second Shift Lead Diesel Mechanic to join their safety conscious team! The Lead Diesel Mechanics... ...does it take to work for Clean Harbors? ~5-7 years of diesel engine experience. ~1+ years DOT inspection experience required. ~...Full timeImmediate startAfternoon shift$159.43k
...shop drawings, specifications, RFIs, and technical reports for compliance with Federal and client specific standards. • Apply engineering principles and relevant codes across planning, investigation, design review, construction administration, , and assessment of engineering...Contract workFor contractorsWork experience placementH1bImmediate startOverseasFlexible hours- ...Job Description Job Description Position Description Mechanical Engineer – Water Systems Advanced Light Source Upgrade (ALS-U) Position Summary The Water Systems Engineer is responsible for the design, operation, maintenance, reliability, and continuous...For contractorsWork at office
- Oleo Sustainable Palm Oil Solutions in Berkeley is seeking a Mechanical Engineer to design and build the custom microwave applicator housing and biomass slurry delivery system for industrial throughput. You will lead design, prototyping, fabrication oversight, and commissioning...Contract work
- HDR Engineering seeks a Mechanical/Senior Mechanical Engineer to join our growing TMT practice, focusing on data center and mission-critical facilities. You will lead the mechanical design from start to finish, coordinating with clients, project managers, electrical teams...
- Your Opportunity Stantec's growing Water practice is seeking a highly motivated Civil/Process Engineer to join our highly successful water team in Walnut Creek, California. The role of a Civil/Process Engineer is to work independently on smaller projects and as a team...Contract workFor contractors
$88.55k - $143.75k
An employee-owned engineering firm is seeking a Mechanical Engineer to join their team in Walnut Creek or Folsom, CA. This position focuses on HVAC and plumbing design across various markets like technology and healthcare. The role requires a Bachelor's degree in Mechanical...$110k
...received investment from Gener8tor, Safar Partners, Alpine Social Ventures, Collab Fund, and G-Force. Role Description As the Mechanical Engineer, you will design and build the custom microwave applicator housing and biomass slurry delivery system required to operate at...Contract workVisa sponsorship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer. Be the first to apply!





