Senior Field Service Engineer - Roselle, IL

Mission Hires is seeking a Senior Field Service Engineer to serve as the technical lead at customer sites and a process builder back at our Addison, IL facility. You’ll install, commission, calibrate, troubleshoot, and repair custom industrial test equipment across electrical, controls, mechanical, hydraulic, and pneumatic systems—while also building SOPs, digitizing records, updating manuals, and laying the foundation for a scalable service organization.

This role blends customer-facing leadership with operational rigor and offers a path to supervisory responsibility as the team grows. Travel ~70% domestic with occasional international.

• Travel to customer sites to install, commission, calibrate, troubleshoot, and repair custom-built testing and industrial equipment
• Diagnose and resolve issues across electrical, controls, mechanical, hydraulic, and pneumatic systems
• Provide hands‑on training to customer personnel on operation, maintenance, and safety procedures
• Serve as primary customer point of contact, building strong, long‑term relationships
• Develop SOPs and convert paper‑based service records into digital formats
• Update and maintain technical documentation and manuals
• Identify and communicate upsell opportunities (service agreements, calibration plans, PM programs)
• Relay field insights and customer feedback to internal teams for product/service improvements
• Assist with in‑house assembly and equipment testing during non‑travel periods
• Model Mission Hires values of Innovation, Passion, Impact, and Growth in all interactions

• 5+ years of hands‑on field service or industrial maintenance experience with capital or electro‑mechanical equipment
• Strong electronics and controls background; comfortable performing electrical work
• Working knowledge of hydraulics, pneumatics, and mechanical systems
• Ability to read schematics and use diagnostic tools and meters confidently
• BS, AAS, or technical certifications in electronics, engineering, or related field preferred (equivalent experience considered)
• Polished, professional communication with a consultative, customer‑first approach
• Comfortable identifying and discussing service opportunities directly with clients
• Highly organized and self‑directed; able to manage a full schedule with minimal oversight
• Willingness to travel approximately 70% domestically, with occasional international trips
• Valid driver’s license and passport, or ability to obtain both

• BCBS
• 401K match
• All travel expenses covered, including flights, hotels, meals, and mileage
• Year‑end bonus tied to company performance
• Predictable schedule with weekends consistently at home
• Small, collaborative team where your work is visible and your contributions matter