SierraThermal was founded in 1992 as SierraTherm. We are known for quality, and have relationships with customers that have lasted decades. Our engineering expertise results in design excellence and flexibility to meet customer demands.

Our success is built on the experience and professionalism of our people.  Our engineering team are dedicated technical experts each with many years of furnace design skill.  Dedicated project managers ensure on-time execution of projects that meet customer expectations.  Experienced field service technicians approach problem solving with tenacity and consistency.  Working together we provide reliable value to our customers. 



Environmental Emphasis

A large portion of SierraThermal’s business is derived from the renewable energy sector.  Our engineers consider how to save energy and limit the environmental footprint of every furnace they design.  The result is highly efficient equipment that is used to make environmentally responsible products, something we are very proud of.

Our approach to solving your thermal processing challenge starts with bold ideas from enthusiastic employees who passionately give their best every day – many who have worked here for 20 years or more.

We are convinced that diversity enriches great ideas. The exchange between generations, departments, cultures, and the individual employees promotes inventiveness and creates space for new perspectives. Together we develop efficient solutions and offer a variety of products for a range of industries.

Careers at SierraThermal

At SierraThermal, we provide state-of-the-art thermal processing equipment to energy, electronics, and other customers worldwide. In 2022, we were recognized by World Market Research as being a “Top Key Player” in the thin-film solar cell market.

Our family oriented, privately held company offers competitive benefits and opportunities for growth in a diverse and creative working environment.  We employ a variety of professionals but just to name a few- these teams include Engineers, Accountants, IT, Buyers, Sales, or even Manufacturing Assemblers and Warehouse personnel. Our team works hard every day to expand and improve our efforts to serve customers in Europe, Asia, North America, and other parts of the world.  If this sounds interesting, then we would love to hear from you.

Why Work at SierraThermal?

SierraThermal, Inc. is in Watsonville, CA and has been around for more than 25 years.  We currently have a few employees that have been working here since its inception, and we are proud to acknowledge multiple 10-20-year anniversaries. This isn’t just a job to go to, but a place you can call your second home!

We offer the following employee benefits:

Health Benefits

  • Medical Benefits – we offer 6 different plans for Californians and two are at no cost to the employee
  • Dental – we have the best Dental Plan that most dentists believe it’s unheard of because of the unlimited deductible.
  • Vision
  • Short Term/Long Term Disability Insurance
  • Life Insurance $50,000 is paid by company
  • Accidental Disability & Death Insurance

Financial & Retirement

  • 401k Plan
  • Flexible Spending Account
  • Health Savings Account

Paid Days Off

  • Paid Time Off – increased accrual time is based on anniversaries, but starts counting upon hire
  • Holiday Pay – we recognize 12 Holidays per calendar year
  • Sick Pay – 3 to 6 Days per year depending on full-time or part-time status
  • Bereavement Pay

Other Reasons We Pay You

  • Service Award Program – receive monetary incentive on your anniversary after reaching different benchmarks starting with year 1
  • Employee Referral Bonus Program – earn $250 for every new hire that stays on after 90 days

Perks & Discounts

  • Educational – tuition reimbursement program
  • Employee Assistant Fund – employees facing financial hardship could receive up to a $1,500 grant after applying
  • Costco Membership to all employees
  • Annual Department Lunches
  • Weekly stocked breakrooms with drinks and snacks
  • Occasional company BBQs depending on Quarterly Safety standards

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If you have any technical difficulties applying or submitting your resume, please contact our Human Resources Department directly at:
HR@s-thermal.com