Mechanical Engineer

Staff Mechanical Engineer – Power Distribution

Locations:
Burnsville, MN;
Houston, TX;
Charlotte, NC;
Merrimack, NH;
Pointe‑Claire, QC.

$/yr – $/yr

Trystar is a leader in power inverters, distribution equipment and related services at the heart of supporting our electrical infrastructure. Our team members focus on producing the highest quality products in the industry and providing industry‑leading services. Safety and integrity are our guiding principles, and we work together to achieve excellence for our customers every day.

We are looking for a Staff Mechanical Engineer who will lead our design efforts in Power Conversion Solutions to exceed customer expectations & achieve strategic and aspirational growth plans while following our values & guiding principles.

In this role you will design and coordinate large‑scale engineering designs in a rapidly growing and increasingly central portion of Trystar’s enterprise‑wide business strategy. The successful candidate will be able to create new designs and advise on a course of action on preexisting projects. You will act as a trusted teammate to our R&D, internal, and external stakeholders, ensuring that we are on time, adding value beyond what is being requested, all while providing the easiest path to a solution in the industry.

This position is preferably based in Burnsville, MN;
Houston, TX;
Charlotte, NC;
Merrimack, NH; or Pointe‑Claire, QC. It requires in‑person presence in the office. You will be responsible for the design and development of new technology offerings within the Research, Development & Engineering – Power Conversion team.

• Safety – We believe everyone should leave Trystar facilities in the same or better condition than when they arrived.
• Integrity – We’re honest, transparent, and committed to doing what’s right.
• Customer focus – We have relentless focus on our customers and their success.
• Right with speed – We use good judgement, make thoughtful decisions quickly, and execute them with purpose and intensity.
• Play for each other – We’re a team. We show up for each other and we know that through teamwork we achieve greatness.
• Champion change – We know adaptation and improvement are requirements to survive and to thrive.
• Enjoy the journey – We create an environment where our team feels appreciated and has fun along the way.

• Perform complete mechanical design, including layout, part/assembly modeling, drawings, and mechanical requirements definition.
• Support advanced engineering analysis, including system‑level thermal analysis, Finite Element Analysis (FEA), and Computational Fluid Dynamics (CFD) simulations.
• Define, design, prototype, validate, and support mechanical systems for products such as rack‑mounted equipment, modular power devices, UPS’s, rectifiers, inverters, and more.
• Lead mechanical design reviews and provide technical guidance across multiple product lines at Trystar sites.
• Work with hardware design engineers to develop PCB mounting and packaging requirements.
• Develop detailed 3‑D CAD models and drawings, including complex surfaces, routed assemblies, and mechanical enclosures.
• Collaborate with cross‑functional teams (QA, manufacturing, assembly) to improve product designs, documentation, and manufacturability.
• Design and validate assembly and test fixtures; support prototype builds and production launches.
• Manage BOMs, documentation for new and existing parts, using database tools (e.g., Empower, PDM, Epicor).
• Answer vendor questions regarding mechanical parts (change requests, obsolescence, substitution).
• Define and document mechanical requirements and best practices for enclosures of power conversion systems.
• Contribute to efforts to standardize design practices across sites.
• Provide technical mentorship and guidance to design engineers, test technicians, fabrication, and assembly personnel.

• Bachelor’s degree in Mechanical Engineering or an equivalent.
• Minimum seven (7) years of experience as a mechanical design engineer, preferably in power electronics design/packaging.
• Experience with power electronic system design (electrical enclosures, panel layout,…