
Senior Building Mechanical Engineer (HVAC) - Water / Wastewater
Walnut Creek, CA · HybridJob$95–155K/yrSeen 6 days agoSeen in employer's feed 6 days ago
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At a glance
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Job overview
The Senior Building Mechanical (HVAC) Engineer develops and reviews HVAC, plumbing, and fire sprinkler calculations, systems, and specifications for projects, including commercial buildings and wastewater treatment facilities. The role interprets applicable codes and NFPA standards, coordinates with other engineering disciplines, and may mentor less experienced colleagues. Work may be hybrid from a commutable Eastern U.S. office or remote within the Eastern U.S., with travel as needed.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Description Job Description The Senior Building Mechanical (HVAC) Engineering role takes on more complex projects and leads the development of HVAC, plumbing, and fire sprinkler calculations. The role interprets mechanical, plumbing, building, and fire codes, as well as NFPA standards relevant to commercial buildings and wastewater treatment facilities. The role includes sizing ductwork, plumbing, and fire sprinkler distribution systems, and selecting appropriate equipment. The role may draft and model these systems using AutoCAD and Revit software, and develop detailed specifications in Word and Speclink. This position supports work in the Eastern United States. This person can work hybrid from any of our offices in the East if commutable or can work remotely in the Eastern US with a willingness to travel as needed into these offices and nearby clients. Responsibilities 1. Develop comprehensive HVAC, plumbing, and fire sprinkler calculations for different projects. 2. Interpret mechanical, plumbing, building, and fire codes and apply them in work. 3. Understand and interpret NFPA standards and implement them correctly. 4. Effectively size ductwork, plumbing, and fire sprinkler distribution systems for optimal functionality. 5. Utilize relevant software tools to draft and model HVAC, plumbing, and fire sprinkler systems. 6. Use software solutions to create detailed specifications for HVAC, plumbing, and fire sprinkler equipment. 7. Review HVAC, plumbing, and fire sprinkler drawings/specifications for accuracy and consistency. 8. Coordinate with other engineering disciplines to ensure smooth project execution. 9. Flexibility to adapt and execute various additional assignments based on evolving needs. Mentorship 1. May provide mentorship, guidance, support, and knowledge-sharing to help less experienced team members develop their skills and grow within their roles. Skills and Competencies 1. Adept at interpreting and applying mechanical, plumbing, building, and fire codes as well as NFPA standards. 2. Highly proficient in software tools for drafting and modeling HVAC, plumbing and fire sprinkler systems. 3. Skilled in developing HVAC, plumbing and fire sprinkler calculations and specifications. 4. Excellent problem-solving skills for handling routine tasks. 5. Strong ability to review and coordinate HVAC, plumbing, and fire sprinkler drawings/specifications with other engineering disciplines. 6. Strong ability to work independently and provide guidance to less experienced colleagues. Experience 1. Typically requires a minimum of 5 years of building mechanical engineering or related experience. 2. Typically certified in BC's Subject Matter Specialist (SMS) Framework, and progressing through the SMS competencies. Preferred Skills and Experience 1. Prefer 10+ years of overall experience with a focus in Building Mechanical Engineering Design Education 1. A bachelor's degree in mechanical engineering or related field or equivalent experience is required. 2. Has achieved or is working towards achieving professional license. Preferred Education 1. Prefer to have already acquired a PE license Learn more about our work: Climate Change and Resilience - Brown and Caldwell Data Center Water - Brown and Caldwell Emerging Contaminants and PFAS - Brown and Caldwell Digital Solutions - Brown and Caldwell News - Brown and Caldwell Projects - Brown and Caldwell Industrial Water - Brown and Caldwell Salary Range: The anticipated starting pay range for this position is based on the employee's primary work location and may be more or less depending upon skills, experience, and education. These ranges may be modified in the future. Location A: $95,000 - $129,000Location B: $104,000 - $142,000Location C: $114,000 - $155,000 You can view which BC location applies to you here. If you have any q estions, please speak with your Recruiter. Benefits and Other Compensation: We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click here to see our full list of benefits. About Brown and Caldwell Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction services firm with 50 offices and over 2,100 professionals across North America and the Pacific. For more than 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice-to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit www.brownandcaldwell.com This position is subject to a pre-employment background check and a pre-employment drug test. Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Brown and Caldwell is proud to be an EEO/AAP Employer. Brown and Caldwell encourages protected veterans, individuals with disabilities, and applicants from all backgrounds to apply. Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act. #LI-Hybrid#LI-Remote Equal Opportunity Employer/Protected Veterans/Individuals with DisabilitiesThis employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor. Brown and Caldwell is proud to be an EEO/AAP Employer-Minorities/Women/Disabled/Protected Veterans are encouraged to apply.
How this job compares
Set against the 573 open HVAC Engineer jobs on Olive Jobs, counted October 27, 2026.
- Pay
- This posting$95–155K/yr
- California median$100–160K/yr23 salary ranges
- US median$91–152K/yr266 salary ranges
This range's midpoint, $125K, is close to the California median midpoint ($126K) — in the middle half of HVAC Engineer salary ranges in California.
- Openings
- Olive Jobs lists 46 open HVAC Engineer jobs in California and 573 across the US. 4% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 5 years of experience; HVAC Engineer postings that state a minimum ask for 5 years at the median (516 postings).
- Education
- 331 of the 573 open HVAC Engineer jobs (58%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on October 27, 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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