Mechanical Engineer

Therma; San Jose (CA); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

401(k) Plan with Company Match

Health & Welfare Benefits

Life and Disability Insurance

Time Off: Flexible vacation

Travel expenses reimbursed

Job summary

Therma, a Legence company, seeks a highly motivated Mechanical Engineer with 3+ years of HVAC design-build experience in California. You will work across design, calculation, and construction administration phases, coordinating with trades and clients to deliver quality outcomes.

The role requires strong communication, multitasking, and proficiency in AutoCAD, Revit, and Bluebeam. A Bachelor’s in Mechanical Engineering is required; EIT/PE in CA is preferred.

Qualifications

• Bachelor’s degree in Mechanical Engineering (or related field).
• Minimum 3 years of engineering experience in HVAC design-build.
• Experience with AutoCAD, Revit and Bluebeam.
• Knowledge of California Building Code and Title 24.
• Experience in Project Management and client relations.
• EIT/PE in CA preferred.
• Proficiency in Microsoft Office.

Responsibilities

• Design heating, cooling, and ventilation load calculations.
• Plumbing system design and calculations.
• Provide design support and engineering expertise to customers.
• Layout of mechanical and plumbing systems using AutoCAD and Revit.
• Field verification of site conditions.
• Coordinate system designs with other trades.
• Attend project meetings as required.
• Identify and resolve design issues and clashes.
• Maintain and develop customer relationships.

Skills

Strong communication

Team player

Multi-project management

Microsoft Office proficiency

Education

Bachelor's degree in Mechanical Engineering (or related field)

EIT / PE in CA preferred

Tools

AutoCAD

Revit

Bluebeam

Job description

Posted Tuesday, August 4, 2026 at 10:00 AM

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.

Therma, a Legence company, is seeking a highly motivated Mechanical Engineer with +3 years of experience in the HVAC industry. The ideal candidate is a self-motivated team player who thrives in a fast-paced collaborative environment. This role is involved in all phases of the design-build project process, from initial design to construction administration support.

Responsibilities

• Design heating, cooling, and ventilation load calculations
• Plumbing system design and calculations
• Provide excellent design support and engineering expertise to internal and external customers
• Layout of mechanical and plumbing systems using AutoCAD and Revit software
• Field verification of site conditions as required
• Coordination of system designs with other trades
• Attend project meetings as required
• Identify and resolve design issues, conflicts, and system clashes as required
• Maintain and develop customer relationships

Requirements

• Strong written and verbal communication skills
• Positive attitude, team player, commitment to achieving a common goal
• Bachelor’s degree in Mechanical Engineering (or related field)
• Minimum 3 years of engineering experience as a Mechanical Engineer, preferably in the HVAC design-build environment
• Ability to manage multiple projects simultaneously
• Engineering in Training (EIT) / Licensed Professional Engineer (PE) in the state of California (preferred)
• Proficiency in Microsoft Office products
• Proficiency in AutoCAD, Revit and Bluebeam
• Knowledge of California Building Code, Title 24, ASHRAE guideline(s) 62.1, 55, 90.1
• Knowledge of various HVAC systems, cooling and heating plants, and MEP design.
• Experience in Project Management, coordination and client relations
• Experience in System Basis of Design (BOD) and Sequence of Operation (SOO) development
• Experience in building heating and cooling load calculations (Trane Trace, HAP, or equal)
• Experience in hydronic and air-side pressure profile calculations

Salary Range: $110k-$140k, depending on experience

We are unable to provide immigration sponsorship for this position.
#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 [e-mail] 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.

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