Mechanical Engineer I

Therma, a Legence company

For over 50 years, Therma ( has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service and attention to detail, we balance innovative, facility-specific solutions with a pragmatic, cost-conscious approach. Today, the firm employs more than 1,100 people in 3 regional offices, and its clients represent a diverse range of market sectors, including Biopharmaceutical, Education, Healthcare, Food & Beverage, Commercial, Industrial and Data Center facilities. Our culture is open, innovative, collaborative, and fun – all reflected in recognition of Therma as a #1 Best Place to Work on multiple occasions. We create an environment that empowers & challenges employees, giving them the greatest opportunity to succeed.

Location: San Jose, CA

Full-time, onsite

Position Overview

Therma is seeking a motivated Mechanical Engineer I to join our Engineering team. This position is ideal for a recent Mechanical Engineering graduate or early-career engineer who is interested in HVAC, piping, plumbing, process systems, and design-build project delivery.

As an Engineer I, you will work alongside experienced engineers, project managers, field teams, estimators, and detailers to support the design and construction of complex commercial, industrial, advanced technology, and mission-critical facilities. This role is focused on learning the profession, developing technical skills, and building the foundation for a successful engineering career within Therma.

Responsibilities

• Assist with HVAC, piping, plumbing, and process system design under the direction of senior and principal engineers.

• Perform basic engineering calculations, including airflow, duct sizing, pipe sizing, equipment schedules, and load calculations.

• Support development of engineering drawings, Revit models, schedules, and project documents.

• Incorporate review comments and redlines accurately and in a timely manner.

• Maintain organized project files and documentation.

• Participate in coordination with project management, VDC/detailing, estimating, and field teams.

• Support responses to RFIs, submittals, and engineering questions as assigned.

• Learn applicable codes, standards, and Therma design-build practices.

• Communicate proactively when information is unclear, incomplete, or may impact schedule or deliverables.

Qualifications

Required

• Bachelor's degree in Mechanical Engineering or related engineering discipline.

• Strong interest in building systems, HVAC, piping, plumbing, process systems, or design-build construction.

• Experience with Revit, AutoCAD, SolidWorks, or other Cad software.

• Strong problem-solving and analytical skills.

• Effective verbal and written communication skills.

• Ability to manage multiple assignments and meet deadlines.

• Proficiency with Microsoft Office applications.

Preferred

• Internship, research, laboratory, construction, fabrication, or engineering project experience.

• Engineer-in-Training (EIT) certification or ability to obtain shortly after hire.

• Experience working on team-based engineering or design projects.

• ASHRAE student chapter, AFE, ASME, or similar extracurricular engineering involvement.

What Success Looks Like

Successful Engineer I candidates will:

• Learn Therma's design-build engineering standards and processes.

• Complete assigned tasks reliably and on schedule.

• Apply feedback effectively and continually improve technical skills.

• Demonstrate strong attention to detail and quality.

• Ask thoughtful questions and actively participate in their professional development.

• Contribute positively to project teams while building technical, constructability, and coordination knowledge.

Base salary: $95,000-$110,000 per year.

Notes: Actual compensation will be based on skills, experience, and work location, and may vary from the posted range. This posting reflects compensation at the time of posting and may be updated.

#LI-JS1 #LI-Onsite

About Legence

Legence ( (Nasdaq: LGN) is a leading provider of engineering, consulting, installation, and maintenance services for mission-critical systems in buildings. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems—enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Legence also delivers long-term performance through strategic upgrades and holistic solutions. Serving some of the world’s most technically demanding sectors, Legence counts over 60% of the Nasdaq-100 Index among its clients.

Benefits Overview

401(k) Plan with Company Match: Currently match contributions dollar-for-dollar up to 4% of eligible pay; immediate vesting.

Health & Welfare Benefits: Employer provided medical, dental, vision, prescription drug, Employee Assistance Program and accident & illness coverage.

Life and Disability Insurance: Employer provided basic life insurance and AD&D valued at 50K coverage amount with the option for voluntary buy up for additional coverage.

Time Off: Flexible non-accrual vacation (separate from CA sick leave); company holidays per policy.

Expenses: Business travel and related expenses reimbursed per company policy.

Reasonable Accommodations

If you need assistance or accommodations during the application or interview process, please contact us at View email address on click.appcast.io or your dedicated recruiter with the job title and requisition number.

Employment Eligibility

Candidates must have current work authorization in the U.S.; visa sponsorship is not available for this position.

Third-Party Recruiting Disclaimer

Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.

Pay Disclosure & Considerations

Where pay ranges are indicated, please note that a successful candidate’s exact pay will be determined based relevant job-related factors, including any of the following: candidate’s experience, skills, and qualifications, as well as geographic and market considerations. We are committed to ensuring fair and competitive compensation for all employees and comply with all applicable salary transparency laws.

Equal Employment Opportunity Employer

Legence and its affiliate companies are proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), marital or familial status, national origin, age, disability, genetic information (including family medical history), political affiliation, military service, other non-merit-based factors, and any other characteristic protected under applicable local, state or federal laws and regulations.

EEO is the Law

Job Details

Pay Type Salary

Education Level Bachelor’s Degree

Hiring Min Rate 95,000 USD

Hiring Max Rate 110,000 USD