Senior Mechanical Engineer - Data Centers
Olsson
Listing collected from Olsson's career site. NextChapter is independent of Olsson.
Irvine, CA · $132k–$180k a year · Posted September 3, 2026
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Where Irvine, CA ranks
Where Irvine, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #6Cities with the most jobs that do not need a four-year degree in the West Coast124 jobs · of 47
- #10Best cities for legal pay after cost of living$129k · of 20
- #10Best cities for life sciences and biotech pay after cost of living$120k · of 10
- #10Best cities for software and engineering jobs in the West Coast586 openings · of 60
- #11Best all-round cities for new graduates in the West Coast55 / 100 · of 39
- #13Best cities for manufacturing and industrial pay after cost of living$136k · of 35
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing pays about $156,000 a year. Across 80 open senior mechanical engineer listings that state pay, the middle half runs $150,000 to $173,000 and the median is $164,000. That is inside the middle half of those listings, 5% below the median.
Listed pay is what employers advertise, not what people are paid.
Senior Mechanical Engineer salaries by state · Check your own pay
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Company Description
We are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to always be responsive, transparent, and focused on results – for our people, our clients, and our company.
We’re a people-centric firm, so it’s no surprise our greatest asset is our people. The impact this creates is an environment that encourages our people to grow and be creative with their talents. This approach builds a culture that is uniquely Olsson. It allows us to grow our people as we grow our business. This, in turn, creates a lasting impact on the world around us.
Job Description
As a Senior Mechanical Engineer, you will work directly with some of the world’s largest technology companies and other mission-critical clients. You will serve as a mechanical engineer on projects, design calculations, write technical reports, and prepare documents. Experience in the Data Center industry is preferred. You will also coordinate with other Olsson teams, professional staff, technical staff, and clients.
Qualifications
You are passionate about:
Working collaboratively with others.
Having ownership in the work you do.
Using your talents to positively affect communities.
You bring to the team:
Strong communication skills
Project Management experience preferred
Ability to contribute and work well on a team
Bachelor's degree in mechanical engineering
10 - 15+ years of mechanical engineering experience
Revit experience preferred
Central utility experience preferred
Data Center experience preferred
Licensed PE
Ability to be a self-starter to take on a variety of tasks to best serve the client and their project work
Investigation and troubleshooting of problems to find solutions
#LI-DNP
Actual compensation will vary based on factors such as experience, qualifications, geographic location, skills, education, and internal equity.
California Pay Range $132,000 — $180,000 USD
Additional Information
Olsson specializes in engineering and design, client advisory services, planning, field services, and environmental. Improving the world has been our mindset from the very beginning, back when Olsson first opened for business in 1956. And it will be our mindset for years to come.
As an Olsson employee, you will:
Receive a competitive 401(k) match
Be empowered to build your career with tailored development paths
Have the possibility for flexible work arrangements
Engage in work that has a positive impact on communities
Participate in a wellness program promoting balanced lifestyles
In addition, full-time employees will receive our traditional benefits package (health care, vision, dental, paid time off, etc.) and the opportunity to participate in a bonus system that rewards performance.
Olsson is an Equal Opportunity Employer. We encourage qualified minority, female, veteran, and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment or any employee because of race, color, religion, national origin, sex, sexual orientation, gender identity, gender, disability, age, military status, or other protected status.
Olsson understands the importance of privacy and is committed to protecting job applicants’ personal information. Pursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the “CCPA”), this notice explains Olsson’s practices regarding the collection, use, and disclosure of personal information for job applicants residing in California. Please read this Notice carefully to understand our privacy practices.
For more information about the types of information we collect and how we use it in connection with your general access and use of our website, please review our general California Privacy Notice here .