Controls Technician

Council Bluffs, IA  •  Building Automation & HVAC Controls

Since 1970, Rasmussen Mechanical Services has been a family-owned mechanical contractor working across the Midwest and Rocky Mountains. We've grown to over 200 people across seven locations, but we've kept the small-shop feeling that's made people stay with us for 20, 30, even 37 years.

We're hiring a Controls Technician to install, commission, and service building automation and HVAC control systems for our commercial, institutional, and industrial customers. If you've got a few years of BAS or DDC work under your belt and you'd rather be in the field solving real problems than stuck behind a desk — this is your seat.

The Work

You'll be installing and commissioning new systems, servicing and troubleshooting existing ones, and writing the code that makes it all run. A typical week might include:

• Programming and commissioning Building Automation Systems (BAS), PLCs, and Direct Digital Controls (DDC)
• Integrating thermostats, HVAC units, dampers, sensors, and other equipment into centralized systems
• Writing and tuning control sequences and algorithms to improve performance and energy efficiency
• Troubleshooting programming and field issues on existing systems — getting customers back up quickly
• Running system audits, reviewing data logs, and making the adjustments that actually move the needle
• Reading and interpreting electrical schematics, control diagrams, and submittals
• Working alongside engineers, HVAC techs, and our mechanical construction crews on integration
• Training facility teams on how to run and troubleshoot what we hand off

Most of your work will be local across the Council Bluffs / Omaha metro and surrounding area. Some travel and after-hours service comes with the territory, with paid overtime when it does.

Why Techs Stay at RMS

• Family-owned, and it shows. The Rasmussens are still here. The office knows the field. Techs who do good work get backed up, not second-guessed.
• Real variety. With ten specialized departments under one roof — HVAC, boilers, mechanical construction, reliability, and more — controls work touches every part of the business. You'll see more system types in a year here than in five somewhere else.
• Modern tools and ongoing training. Niagara, BACnet, leading PLC platforms, and continued investment in the certs and training that keep you sharp.
• Career path if you want one. Senior tech, lead, controls supervisor, project engineer — most of the people in those roles came up through the field.
• Industry-leading pay and benefits, paid overtime, and a culture that takes care of its people.
• A genuinely good place to work. "Family" and "fun" are two of our core values, and we mean them.

What You Bring

• 3+ years of experience with building automation, HVAC controls, or temperature control programming
• Hands-on experience with PLCs (Allen-Bradley, Siemens, or similar) and Building Management Systems (BMS)
• Working knowledge of Ladder Logic, Structured Text, or BACnet protocols
• Solid understanding of HVAC systems, sensor calibration, and feedback loops
• Comfortable reading and working from electrical schematics and control diagrams
• Associate's or Bachelor's degree in Automation, Electrical, HVAC Technology, or related field — or equivalent experience in the trade
• Strong troubleshooter who works well independently and as part of a crew
• Valid driver's license; able to pass a pre-employment drug screen

Bonus points for: Niagara N4, Certified Building Automation Specialist (CBAS), EPA 608, NATE, or OSHA 10/30 certifications. Industrial or commercial controls experience a plus.

Working Conditions

Mix of office, shop, and field work. You'll occasionally lift up to 50 lbs, work in mechanical rooms, at heights, in confined spaces, and across varied environments (industrial, commercial, institutional). Standard PPE required and provided where applicable.

How to Apply

Rasmussen Mechanical Services is an equal opportunity employer.