Senior Process Design Engineer
Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Jun 12, 2026.
San Jose, CA (on site), Full-time
Therma, a Legence company, is seeking a highly motivated Senior Process Design Engineer with +8 years of experience in the process piping industry. The ideal candidate is a proactive leader who excels in mentoring engineers, overseeing projects, and engaging directly with clients to deliver high-quality solutions. This role encompasses every phase of the design-build project process, from initial design to fabrication support. As an integral member of our engineering team, you will oversee the entire design process - from conceptualization to the finalization of detailed design and construction documents. Additionally, you will coordinate efforts across multiple disciplines - including mechanical, electrical, piping, structural, controls, and ownership groups – contributing to efficient and timely project progress in a fast-paced environment.
Responsibilities:• Process mechanical and piping system designs• Practical knowledge and understanding of fluid dynamics, thermodynamics, and energy load calculations • Conduct design reviews and provide feedback to engineers, project managers, and project executives to improve product quality, efficiency and performance• Oversee and manage multiple projects, ensuring timely delivery, quality assurance, and budget adherence• Develop cost estimates for new projects and provide project budgetary and financial oversight• Interface with clients and project stakeholders to develop innovative and sustainable process designs• Generate, review and approve technical drawings, submittals, and specifications as required to ensure compliance with project goals• Evaluate project submittals, shop drawings, and RFIs to determine conformance with contract documents and design requirements• Research and analyze customer project requirements, specifications, and data to assess feasibility, program application, and maintenance requirements• Oversight and development of factory acceptance testing (FAT) documentation, provide support during customer site acceptance testing (SAT), generation of final turnover package (TOP) documentation for assigned projects • Collaborate with cross-functional teams to resolve problems, implement solutions, and optimize project outcomes• Stay updated on industry trends and advancements in mechanical engineering and energy-efficient building solutions• Providing technical guidance and professional development support to the team
Requirements:• BS or MS degree in a related Engineering field (i.e. Mechanical, Chemical, or equivalent) • Minimum 8 years of engineering experience as a Mechanical Engineer, preferably with process equipment design and fabrication• Developing and interpreting P&ID’s• Proficiency with professional drawing packages (i.e.Solidworks, AutoCAD, Revit and Bluebeam)• Document Technical Review & Quality Control• Project cost estimation and budgetary management• Expertise in Project Coordination and Project Management • Experience in client relations and relationship management • Positive attitude, team player, commitment to achieving a common goal • Engineering Team Development, Mentoring, and Leadership• Licensed Professional Engineer (PE) in the state of California would be a plus.• Knowledge of various types of process instrumentation, process automation and controls systems
Base salary: $150k-$180k per yearNotes: 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.
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