Key Takeaways
- Controls techs earn $30-68/hr, making this the highest-paying hourly maintenance trade in food processing
- Allen-Bradley (Rockwell) PLCs dominate US food processing — Studio 5000 and ladder logic are the core skills
- Most controls techs start as electricians or instrumentation techs and cross-train into PLC programming
- Demand significantly exceeds supply — there are far more facilities with Rockwell systems than there are techs who can troubleshoot them
What Controls and Automation Technicians Do
Controls and automation technicians are the people who program the PLCs that sequence a packaging line, troubleshoot the HMI that stopped responding at 3 AM, and commission the SCADA system that monitors temperatures across an entire cold storage facility. It is a blend of electrical knowledge, software skills, and mechanical understanding — and it pays accordingly.
The core of the work is PLC programming. In US food processing, Allen-Bradley (Rockwell Automation) hardware dominates — ControlLogix and CompactLogix platforms running in Studio 5000 Logix Designer. Ladder logic is still the primary programming language in food manufacturing, though structured text and function block diagram are increasingly common on newer installations. Siemens S7 PLCs are found in some segments, particularly at international-owned operations.
Beyond PLCs, the role covers:
HMIs (Human-Machine Interfaces): Allen-Bradley PanelView, Wonderware, and FactoryTalk View are the common platforms. Controls techs design screens, configure alarms, and troubleshoot operator interface issues.
SCADA systems: Supervisory control and data acquisition systems that aggregate data across a facility or campus. Historian data, alarm management, trending, and integration with ERP systems.
Instrumentation: Temperature sensors, pressure transmitters, flow meters, and level sensors. The physical devices that feed data into the control system. Calibration, wiring, and signal troubleshooting (4-20mA, HART protocol).
Industrial networking: EtherNet/IP, DeviceNet, Profibus, and increasingly OPC-UA for data connectivity. Controls techs need to understand how devices communicate with each other and with the PLC.
In cold storage and refrigeration facilities, controls techs often work on the systems that manage compressor sequencing, defrost timing, and evaporator fan staging. The intersection of mechanical refrigeration and digital control is one of the most technically demanding areas in the industry — and one of the best-compensated.
What It Pays
Controls and automation is the highest-paying hourly maintenance trade in food processing. Here is the full range based on our network data across 89,000 maintenance technicians.
| Level | Hourly Range | Annual Equivalent |
|---|---|---|
| Entry (0-2 yrs) | $30-38/hr | $62,400-79,040 |
| Mid (3-5 yrs) | $38-48/hr | $79,040-99,840 |
| Senior (6-10 yrs) | $48-58/hr | $99,840-120,640 |
| Lead / Specialist (10+ yrs) | $55-68/hr | $114,400-141,440 |
For comparison, here is how controls tech pay stacks up against other maintenance trades at the senior level:
| Trade | Senior Hourly Range |
|---|---|
| Controls & Automation | $48-58/hr |
| Ammonia Refrigeration | $45-55/hr |
| Industrial Electrician | $42-52/hr |
| Millwright | $42-52/hr |
| Multi-Craft Technician | $40-50/hr |
| Industrial Maintenance | $36-44/hr |
The pay premium is real and structural. There are simply far more food processing facilities running Allen-Bradley or Siemens control systems than there are technicians who can troubleshoot them under production pressure. That supply-demand imbalance is not going away.
The Skills That Matter Most
Must-Have Skills
Allen-Bradley Studio 5000 / RSLogix 5000: This is the single most important skill for a controls tech in US food processing. You need to be able to read, modify, and troubleshoot ladder logic programs in real time while a production line is faulting. Download the free trial from Rockwell Automation and start practicing.
Ladder logic programming: Still the dominant programming language in food manufacturing. Understanding timer and counter instructions, compare and math instructions, sequencer operations, and how to trace logic through a running program is the daily work.
VFD configuration and troubleshooting: Allen-Bradley PowerFlex drives are everywhere. Setting parameters, interpreting fault codes, configuring communication to the PLC, and resolving drive faults under production pressure is expected knowledge.
Electrical fundamentals: Controls work builds on electrical — you need to understand 480V 3-phase power, motor circuits, control transformers, and wiring practices. Most controls techs came from electrical backgrounds.
Systematic troubleshooting: The ability to read a PLC program in real time, correlate what the logic expects with what the instruments are reporting, and trace through the physical wiring to find the discrepancy. This is the skill that separates average controls techs from the ones earning $55+/hr.
Valuable Additional Skills
HMI development: Building and modifying operator screens in FactoryTalk View, PanelView, or Wonderware. Creating effective alarm management displays, trending pages, and diagnostic screens.
SCADA and historian systems: Working with plant-wide data systems, building reports, managing alarm databases, and integrating operational data with business systems.
Networking (EtherNet/IP, managed switches): As control systems move to Ethernet-based communication, understanding industrial networking — VLANs, managed switches, IP addressing, firewall rules between OT and IT — becomes increasingly important.
Siemens TIA Portal / S7 PLCs: Siemens market share is growing in US food processing, particularly at European-headquartered companies operating domestic plants. Knowing both Rockwell and Siemens makes you versatile.
Machine safety (Safety PLCs, safety relays): OSHA enforcement of machine guarding and safety system requirements is increasing. Controls techs who can design, program, and verify safety logic have an additional premium skill.
Certifications That Help
Rockwell Automation Certified Technician (RACAT): The most widely recognized vendor certification for controls techs in US food processing. Validates proficiency with Allen-Bradley hardware and Studio 5000 programming. Covers ControlLogix, CompactLogix, PanelView HMI, and FactoryTalk software.
ISA CCST (Certified Control Systems Technician): Vendor-neutral certification covering instrumentation, control systems, calibration, and safety systems. Three levels representing increasing depth. Respected by employers who run multi-vendor environments. Level I is achievable early in your career.
Siemens Certified Automation Technician: Validates proficiency with Siemens S7 PLCs and TIA Portal. More relevant at international food manufacturers and growing in value as Siemens market share increases.
NFPA 70E — Electrical Safety in the Workplace: Required in food processing for any work near energized panels. Controls techs routinely work inside MCC rooms and panel enclosures. This is a non-negotiable baseline, not an advanced credential. Renewal every 3 years.
How to Get Into Controls Work
The most common path into controls is through electrical or instrumentation work. Facilities hire entry-level electricians and instrumentation techs; they rarely hire entry-level PLC programmers. Here is the practical path.
Step 1: Learn Allen-Bradley Studio 5000
Rockwell Automation dominates US food processing. Download the free trial of Studio 5000 Logix Designer from Rockwell's website and work through their online training modules (also free). Get comfortable writing and modifying ladder logic. This is the single most targeted skill you can build before your first controls interview.
Step 2: Build a Demo PLC Project
A cheap Allen-Bradley Micro820 starter kit ($300-400 on eBay) plus a PC running Connected Components Workbench lets you build a real working demo — a simulated conveyor sequence, a temperature control loop, anything that shows you have actually written logic that runs on real hardware. Every hiring manager who reviews a controls candidate without this is wondering whether the claimed programming skills are real.
Step 3: Start in Electrical or Instrumentation and Cross-Train
Get hired as an industrial electrician or instrumentation tech at a food processing facility. The I/O wiring, sensor installation, and panel work give you the physical foundation that makes PLC programming make sense. Once you are inside a facility, volunteer for controls-related work — troubleshoot PLC faults, assist with HMI changes, shadow the controls tech during commissioning projects.
Step 4: Get Your ISA CCST Level I and NFPA 70E
The CCST Level I validates your instrumentation and control systems fundamentals without requiring years of experience. Combined with NFPA 70E, it signals to employers that you understand both the safety context and the technical baseline. These two credentials together make a strong entry-level controls candidate.
Step 5: Target System Integrators for Your First 2-3 Years
Systems integrators — companies that design, build, and commission automation systems for food manufacturers — hire junior controls techs and teach them on the job. You will commission systems at 5-10 different facilities in your first year, see far more hardware and software than you would ever see at a single plant, and build the breadth that food manufacturers pay premiums for when they hire you direct.
Companies like Stellar, Burns & McDonnell, and Gray Construction, plus the OEM service teams at Rockwell Automation and Emerson, all hire junior controls technicians.
The Career Path from Here
Controls and automation opens career paths that general maintenance does not.
Stay technical as a specialist ($55-68/hr): Deep expertise in a specific platform or application area. The go-to person at a large facility for all controls work. Many experienced controls techs prefer this because the pay rivals management without the administrative burden.
Move into controls engineering: Bridge the gap between technician and engineer. Lead automation projects, design control system modifications, specify hardware, and manage system integrator relationships. This is where the work shifts from troubleshooting existing systems to designing new ones.
Move into reliability engineering ($35-90/hr salary equivalent): The data skills from controls work — trending, alarm analysis, performance monitoring — translate directly into reliability engineering, one of the fastest-growing technical disciplines in manufacturing.
Move into management ($50-85/hr salary equivalent): Controls knowledge combined with leadership skills is a strong foundation for maintenance manager, plant engineer, or director of engineering roles.
Who Is Hiring
Large food and beverage manufacturers: Tyson Foods, Cargill, Conagra Brands, General Mills, Nestle USA — every major food processor has controls techs on staff.
Cold storage and distribution: Americold Logistics, Lineage Logistics, US Cold Storage — refrigeration control systems are a core need.
System integrators: Stellar, Rockwell Automation (services), Emerson Automation Solutions, Burns & McDonnell, Gray Construction.
Automation OEMs: Rockwell Automation, Siemens Industry, Honeywell Process Solutions, Beckhoff Automation, Schneider Electric.
Dairy, beverage, and ingredients: Leprino Foods, Saputo, Keurig Dr Pepper, Ingredion, Kerry Group.
Browse controls and automation jobs on NH3 Jobs or talk to Jennifer about your next step in this career path.