
Senior Mechanical Engineer
Jacksonville, FL · HybridFull-time$76–136K/yrSeen 3w agoSeen in employer's feed 1w ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
The Senior Mechanical Engineer designs equipment and systems for data center and industrial cooling solutions. The role leads engineering teams, develops concepts for new and improved products, and solves technical problems through production of sustainable products. Work is onsite Monday through Thursday, with employees choosing their work location on Fridays based on work needs.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Be a part of our mission! As a world leader in creating comfortable, sustainable, and efficient climate solutions for buildings, homes and transportation, it's our responsibility to put the planet first. For us at Trane Technologies (https://www.tranetechnologies.com/) , and through our businesses including Trane® (http://www.trane.com/index.html) and Thermo King (http://www.thermoking.com/na/en.html) , sustainability is not just how we do business—it is our business. Do you dare to look at the world's challenges and see impactful possibilities? Do you want to contribute to making a better future? If the answer is yes, we invite you to consider joining us in boldly challenging what's possible for a sustainable world.
Learn about our benefits (http://careers.tranetechnologies.com/global/en/benefits) designed for you to Thrive at work and at home.
We boldly go.
Where is the work:
Monday to Thursday, work onsite with your colleagues. Fridays, choose your work location, balancing what your work requires.
Stellar Energy is a trusted provider of turnkey liquid-to-chip cooling solutions for the world’s leading data center and industrial manufacturing customers. As computing demand and industrial processes continue to grow, modern facilities require cooling infrastructure that can scale quickly, efficiently, and reliably.
Our modular approach enables high-volume production while maintaining the flexibility to customize each solution. From Central Utility Plants to Coolant Distribution Units, Stellar Energy delivers scalable cooling infrastructure designed to support the rapid expansion of data centers and mission-critical industrial operations.
Backed by deep engineering expertise and large-scale manufacturing capability, Stellar Energy helps customers deploy critical infrastructure faster and with confidence.
What's in it for you:
As a Senior Mechanical Engineer, you will be responsible for designing the equipment and systems that support these goals. You will lead engineering teams, develop concepts for new & improved data center products and solve complex technical problems, leading to production of sustainable new products.
What you will do:
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Develop product designs to meet performance, regulatory, quality and cost requirements.
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Review and understand the technical feasibility of product and internal requirements.
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Understand and apply applicable regulatory codes such as UL.
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Participate in product improvement activities to identify opportunities to improve product performance and reduce cost. Lead projects to implement subsequent product design changes.
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Design and select robust and cost-effective components and develop engineering specifications.
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Complete system integration tasks including engineering design, engineering specifications, support creation of layouts and design reviews.
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Provide leadership to engineering teams including engineers, designers, lab technicians
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Develop laboratory test plans and analyze test data to ensure product performance and quality.
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Manage project schedules and teams for assigned projects.
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Perform process improvement projects to improve team productivity.
What you will bring:
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Bachelor’s Degree in Arts/Sciences (BA/BS) in an Engineering discipline.
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5+ years experience leading technical aspects of product design projects, validation testing, and root cause analysis.
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Deliver and lead technical designs to meet project and product requirements.
Annual Base Salary Range or Hourly Base Pay Range:
$75,700.00 - $135,834.99
Compensation Type:
Salary
Incentive Eligible:
No
Sales Commission Eligible:
No
Disclaimer : We strive to provide competitive compensation for this position, tailored to a variety of factors. The actual compensation will depend on elements such as seniority, merit, geographic location, education, experience, travel requirements, and union designation. Our compensation range is generally based on the national average for the country. Additionally, benefits may vary depending on the region, business alignment, union involvement, and employee status.
Thrive at work and at home:
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Benefits kick in on DAY ONE for you and your family, including health insurance and holistic wellness programs that include generous incentives – WE DARE TO CARE!
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Family building benefits include fertility coverage and adoption/surrogacy assistance.
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Paid time off includes up to 15 vacation days, paid holidays, sick leave, and additional options to support volunteer and parental leave.
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401K match up, educational and training opportunities through company programs along with tuition assistance and student debt support.
Disclaimer: Benefit offerings may vary by site as well as Collective Bargaining Agreements and local/state regulations
Safety Sensitive Role:
No
The company designates certain roles as Safety Sensitive. Safety Sensitive roles may require that you pass additional drug screening.
We offer competitive compensation and comprehensive benefits and programs. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, age, marital status, disability, status as a protected veteran, or any legally protected status.
How this job compares
Set against the 7,598 open Mechanical Engineer jobs on Olive Jobs, counted November 3, 2026.
- Pay
- This posting$76–136K/yr
- Florida median$91–158K/yr102 salary ranges
- US median$106–160K/yr4,543 salary ranges
This range's midpoint, $106K, is 16% below the Florida median midpoint ($126K) — in the middle half of Mechanical Engineer salary ranges in Florida.
- Openings
- Olive Jobs lists 242 open Mechanical Engineer jobs in Florida and 7,598 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in Florida
- Jacobs25 open
- Lockheed Martin20 open
- Siemens Energy20 open
- 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 (6,305 postings).
- Education
- This posting asks for a bachelor's degree; 5,232 of the 7,598 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 3, 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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