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Building Mechanical Engineer

Jacobs

Tempe, AZJobSeen 3 days agoSeen in employer's feed 3 days ago

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At a glance

Compensation
No compensation found
Location
Tempe, AZ
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Professional Engineer License Or Obtain Within One Year, requiredBachelor's degree, required

Job overview

Jacobs seeks a Building Mechanical Engineer to support infrastructure projects, particularly for water and wastewater clients. The engineer will design HVAC, plumbing, fire protection, and related building systems, prepare calculations and technical deliverables, and coordinate with project teams and clients. The role also includes project delivery responsibilities such as managing quality, schedules, budgets, and construction-phase support.

Skills & qualifications

RequiredNice to have

Skills

HVAC System Design, nice to haveHVAC Controls Design, nice to haveSCADA Integration, nice to haveBuilding Management Systems, nice to havePlumbing System Design, nice to haveFire Protection Design, nice to haveHVAC Load Calculations, nice to haveDuct and Pipe Sizing, nice to haveLifecycle Cost Analysis, nice to haveEnergy Analysis, nice to haveRESCHECK, nice to haveCOMCHECK, nice to haveWater and Drainage Flow Calculations, nice to haveWater Heater Sizing, nice to havePump Sizing and Selection, nice to haveTechnical Drawing Preparation, nice to haveSpecification Writing, nice to haveField Evaluation, nice to haveAs-Built Drawing Development, nice to haveProject Coordination, nice to haveClient Communication, nice to haveBudget Management, nice to haveConstruction Support, nice to haveData Analysis, requiredTechnical Problem Solving, requiredOrganization, requiredMultitasking, requiredMicrosoft Office Suite, required

Qualifications

Bachelor's in Mechanical Engineering or Related, requiredProfessional Engineer License or Obtain Within One Year, required5+ Years Building Mechanical Engineering Experience, required

Full job description

We are looking for a driven Building Mechanical engineer to join our team for some of the most exciting infrastructure projects in the West Central region. You will join a core group of mechanical engineers and designers to deliver innovative solutions to challenging technical problems that our water and wastewater clients face by planning, designing and focusing on HVAC, plumbing, and fire sprinkler systems. These projects typically feature process treatment buildings, administration/operations buildings, laboratories and maintenance buildings, and occasional assignments for other business units, including federal, industrial, and institutional projects.

You will design building mechanical systems in areas of potable and non-potable water distribution, building and roof drainage systems, HVAC systems, fire protection and odor control assets; central hydronic plant design (boilers, chillers, cooling towers); and designing central utilities and process exhaust systems for manufacturing, lab, and office spaces. You will be part of our Infrastructure Design Department to provide the following services:

  • Design complete HVAC systems, including package type and central plants, using building codes and standards including ASHRAE, NFPA, SMACNA, IBC, IECC, etc.

  • Design HVAC control systems with integration to SCADA and building management systems.

  • Design plumbing systems, including utility and potable distribution systems, drainage systems, and miscellaneous systems such as compressed air and natural gas.

  • Design fire protection systems using a performance system approach.

  • Perform calculations for HVAC loads, duct and pipe sizing, lifecycle costs, and energy analyses, including energy compliance using RESCHECK and COMCHECK software.

  • Prepare calculations for plumbing systems, including water and drainage flows, water heater sizing and pump sizing and selection.

  • Prepare detailed design drawings and specifications, basis of design reports and technical memoranda, including equipment selection and vendor coordination.

  • Conduct field evaluations and develop as-built drawings.

  • Manage and coordinate work with architects, engineers and technicians, including mentoring junior engineers.

  • Lead meetings and communicate with clients, vendors, and other project stakeholders to establish project needs and discuss design issues.

  • Manage quality and schedule of work and interface with clients and contractors.

  • Manage project budgets, including estimating efforts to complete deliverables.

  • Support field staff during construction phase of projects, including performing site work, responding to submittal reviews and requests for information.

#LI-KS6

  • Bachelor’s degree in mechanical engineering, or related engineering discipline.

  • Professional Engineer (PE) license, or ability to obtain within a year.

  • A minimum of 5 years of progressive building mechanical engineering and project delivery experience.

  • Motivation, strong data analysis skills, technical problem-solving ability, organizational skills, and the ability to effectively multitask in a fast-paced environment.

  • Proficient skills with MS Office Suite (Word, Excel, PowerPoint).

Jacobs is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Learn more about your rights under Federal EEO laws and supplemental language.

How this job compares

Set against the 7,418 open Mechanical Engineer jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This postingNot listed
  • Arizona median$98–160K/yr75 salary ranges
  • US median$45–58/hr389 hourly ranges
Openings
Olive Jobs lists 143 open Mechanical Engineer jobs in Arizona and 7,418 across the US. 3% of them nationwide are listed as remote or flexible.
Hiring the most in Arizona
Experience
This posting asks for at least 5 years of experience; Mechanical Engineer postings that state a minimum ask for 5 years at the median (6,190 postings).
Education
This posting asks for a bachelor's degree; 5,102 of the 7,418 open Mechanical Engineer jobs (69%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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