Mechanical Engineer; Level III- Sr Maintenance of Line; MOL

Mechanical Engineer (Level III
- Sr.) – Maintenance of Line (MOL)

Join to apply for the Mechanical Engineer (Level III
- Sr.) – Maintenance of Line (MOL) role at Industrial Electric Mfg. (IEM).

Industrial Electric Mfg. (IEM) is the largest independent full-line manufacturer of custom power distribution systems in North America. Founded more than 75 years ago in Fremont, California, IEM grew alongside Silicon Valley and today operates over 1.7 million square feet of manufacturing capacity. With $1B+ in annual sales and 10,000+ commissioned projects across technology, data centers, commercial, energy, utilities, healthcare, industrial, and infrastructure markets, IEM continues to deliver exceptional product quality, dependable service, and the flexibility to meet complex technical requirements at scale.

The Mechanical Engineer – Maintenance of Line (MOL) supports and sustains the accuracy, manufacturability, and production readiness of IEM’s active medium voltage power distribution product designs across all facilities. This role supports ongoing health of active designs, resolves complex mechanical issues, maintains engineering standards, and drives continuous improvement across all manufacturing facilities. The MOL Engineer works cross‑functionally with production, quality, electrical engineering, and manufacturing engineering to ensure reliable, repeatable, and high‑quality product output.

• Mechanical & Production Support
  Diagnose mechanical and assembly issues; perform detailed root cause analysis; implement corrective and preventive actions.
  Serve as a technical point of contact for production, quality, and electrical engineering teams.
  Provide technical leadership and act as escalation point for high‑impact mechanical or systemic issues (Senior‑level responsibility).
• Design & Documentation
  Develop and approve 3D models and 2D fabrication/coordination drawings.
  Maintain, update, and improve mechanical design standards, material specifications, SOPs, and work instructions.
  Review, approve, and govern critical standards and procedures (Senior‑level responsibility).
• Continuous Improvement & Risk Mitigation
  Identify recurring issues and drive continuous improvement initiatives.
  Lead high‑risk root cause investigations, eliminate systemic deficiencies, and institutionalize lessons learned.
• Technical Mentorship
  Provide guidance and mentorship to junior engineers (Engineer III and Senior).
  Lead cross‑functional technical discussions and serve as SME for complex mechanical systems (Senior).
• Project Leadership & Cross‑Functional Collaboration
  Lead MOL engineering projects with varying complexity depending on level.
  Collaborate with project managers, customers, and cross‑functional teams to meet quality, specification, and timeline requirements.
  Lead complex ECNs, major field updates, and systemic improvement initiatives (Senior‑level).

• Advanced understanding of mechanical systems, tolerances, fasteners, alignment, and structural components.
• Strong analytical and problem‑solving capability.
• Proficiency in Solid Works and AutoCAD; FEA experience preferred.
• Strong verbal and written communication.
• Experience with root cause analysis and continuous improvement methodologies (Lean, CI, Six Sigma).
• Experience with medium‑voltage switch gear or power distribution equipment (preferred).
• Knowledge of UL, CSA, and NEMA standards (UL 891 / UL 1558).

• BSME or equivalent required for all levels.
• Engineer III: 3–7 years of experience leading MOL or mechanical design projects.
• Senior Mechanical Engineer: 5–7+ years of experience, serving as technical Lead or SME.
• EIT certification or progression toward PE licensure preferred.

• Mechanical Engineer III: $115,900 – $158,600
• Senior Mechanical Engineer: $146,400 – $222,040

At IEM, you’ll join a team that powers some of the world’s most ambitious projects. We’re engineers, makers, and problem‑solvers who thrive on tackling complex challenges and delivering solutions that keep industries moving forward. If you’re driven, collaborative, and ready to make an impact, we’d love to hear from you. Your…