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Mechanical Engineer

Roseville, California - Posted on September 29, 2026
Published By Deborah Wagner

Trillium Professional has a Mechanical Engineer position open in Roseville, CA location.

The company is a 100% employee-owned company and one of the largest and most well-established (35+ years) engineering companies in the United States. This position is responsible for mechanical engineering for our industrial customers.

Job Responsibilities
-Successful candidate will perform engineering functions on projects in various industrial plants. Successful candidates will perform the following.
-Develop P&IDs
-Perform mass and energy balance calculations
-Perform site investigations
-Size and select pumps, pipes, ducts, conveyors, and other material handling equipment, process equipment, utility equipment
-Generate engineering and construction documents, drawings and specifications
-Manage site construction activities including coordinating different construction tasks, supervision of various trade contractors, communication with vendors, contractors, facility owner/operators
-Manage project construction budget and schedule
-Successfully manage startup of process systems and HVAC systems and their commissioning

Annual salary is $125-135k/year. Apply now!

Minimum Requirements
-Successful candidates will have the following minimum qualifications:
-Four-year college degree in engineering with a major in Mechanical, Chemical or similar discipline
-At least four years of engineering experience
-High level of competency with at least one 3D CAD software like Revit, Plant 3D, AutoCAD MEP, Inventor, SolidWorks, MicroStation etc.
-High level of competency with Microsoft Word, Excel, Project software
-Ability to travel to project sites
-Excellent communication skills
-Ability to stay organized in the execution of project work
-Proven ability to work effectively with cross-functional teams, including designers, engineers, clients, contractors, and vendors
-Must have a valid driver’s license and the ability to travel up to 40% to local customer sites. Customers are mostly in the greater Sacramento, CA area but occasional assignments may require travel across the US.

Desired Qualifications
-Candidates with the following qualifications will be given preference.
-Experience working in an engineering capacity in pharmaceutical, biotech, power plant, food and beverage, consumer goods manufacturing, or other industrial manufacturing operation
-Prior experience design HVAC systems.
-Experience working with an engineering design firm or engineering consulting firm
-Prior experience with steam systems, hydronic systems, compressed gas systems etc.
-Familiarity with Pipeflo, AutoPIPE, Carrier HAP, Trane Tracer or other similar software
-EIT certification
-PE license
-Technical publication or poster board presentations at professional conventions
-Familiarity with GMP principles and California building codes, OSHA, FDA and USDA regulations
-Familiarity with ASHRAE, ISPE and ASME code
-Ability to demonstrate high-quality level in document and drawing preparation
-Interest in performing pipe stress analysis.
-Excellent technical writing skills

 


Trillium Technical has been recruiting and placing Engineering professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same: to achieve excellence by providing quality employees with an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of Engineering professionals. Trillium is an Equal Opportunity Employer.

By applying to this job, I agree to receive electronic communications including SMS text and email regarding future opportunities, referral bonus incentives, and other promotions from Trillium. You may opt out at any time from future communications by responding STOP to any electronic communication. You may view our full privacy policy at https://trilliumstaffing.com/jobs/privacy/.

Trillium offers a comprehensive benefit package that includes the ability to participate in health insurance and retirement plans, paid holidays, state required leave, and other leave, if applicable. Trillium’s offerings are dependent on the state in which the assignment is located, length of time worked, and may change depending on assignment. Benefit packages for direct hire placements vary based on the client company.

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