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Plc Controls Engineer Jobs in Seattle, WA (NOW HIRING)

AAON, Inc.

Controls Engineer

Redmond, WA · On-site

$77.79 - $105.24/hr

HVAC Controls Engineer Serves a critical role within the organization in creating PLC based controls programs for production orders for HVAC equipment and troubleshooting controls issues with HVAC ...

AST

Controls Engineer

Tacoma, WA · On-site

$70K - $120K/yr

Controls Engineer At AST, we enhance the efficiency, productivity, and safety of flexible aseptic ... Skilled with computer software - Allen-Bradley PLC Platform, AutoCAD, MS Office (Word, -Excel ...

Automated Systems of Tacoma

Controls Engineer

Tacoma, WA · On-site

$70 - $120/hr

Controls Engineer At AST, we enhance the efficiency, productivity, and safety of flexible aseptic ... Skilled with computer software - Allen-Bradley PLC Platform, AutoCAD, MS Office (Word, -Excel ...

New

AST

Controls Engineer

Tacoma, WA · On-site

$70K - $120K/yr

Controls Engineer At AST, we enhance the efficiency, productivity, and safety of flexible aseptic ... Skilled with computer software - Allen-Bradley PLC Platform, AutoCAD, MS Office (Word, -Excel ...

Terex

Controls Engineer

Redmond, WA

$80K - $108K/yr

Support, troubleshoot, and resolve issues with industrial controls associated with manufacturing equipment and processes including PLC and HMI programming. * Provide hands-on support for field wiring ...

Terex Corporation

Controls Engineer

Redmond, WA · On-site

$80K - $108K/yr

Support, troubleshoot, and resolve issues with industrial controls associated with manufacturing equipment and processes including PLC and HMI programming. * Provide hands-on support for field wiring ...

Terex Corporation

Controls Engineer

Redmond, WA · On-site

$80K - $108K/yr

Support, troubleshoot, and resolve issues with industrial controls associated with manufacturing equipment and processes including PLC and HMI programming. * Provide hands-on support for field wiring ...

Barry Wehmiller Group

Controls Engineer

Seattle, WA · On-site

$95K - $122K/yr

Experience in creating and designing automation controls systems (PLC, SCADA) * A solid ... A solid understanding of engineering documentation (P&IDs, process flow diagram, standard operating ...

Paper Converting Machine

Controls Engineer

Seattle, WA · On-site

$95K - $122K/yr

Experience in creating and designing automation controls systems (PLC, SCADA) * A solid ... A solid understanding of engineering documentation (P&IDs, process flow diagram, standard operating ...

Barry Wehmiller Group

Controls Engineer

Seattle, WA

$95K - $122K/yr

Experience in creating and designing automation controls systems (PLC, SCADA) * A solid ... A solid understanding of engineering documentation (P&IDs, process flow diagram, standard operating ...

Paper Converting Machine

Controls Engineer

Seattle, WA

$95K - $122K/yr

Experience in creating and designing automation controls systems (PLC, SCADA) * A solid ... A solid understanding of engineering documentation (P&IDs, process flow diagram, standard operating ...

Cowboy Space Corp.

Controls Engineer

Seattle, WA · On-site

$160 - $200/hr

About the Role You will design and develop motor controls, automation sequences, and embedded ... Experience with PLC/PAC programming or custom sequencing engines for ground support equipment.

New

NW Recruiting Partners

Controls Engineer

Seattle, WA

$95K - $122K/yr

Controls Engineer Seattle, WA Work for a leading mechanical design-build contractor with a rooted presence in the Pacific Northwest. This firm has a strong reputation in the industry with over 1,500 ...

3MD Inc.

Controls Engineer II

Redmond, WA · On-site

$100K - $120K/yr

The Controls Engineer II performs design and programming work on control systems, including PLC logic, HMI screens, instrumentation, and networked devices. This role is responsible for executing ...

Aetherflux

Controls Engineer

Seattle, WA · On-site

$160K - $200K/yr

You will design and develop motor controls, automation sequences, and embedded control systems for ... Experience with PLC/PAC programming or custom sequencing engines for ground support equipment.

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All JobsPlc Controls Engineer JobsPlc Controls Engineer Jobs in Seattle, WA

Plc Controls Engineer information

See Seattle, WA salary details

$63.2K

$104.7K

$141.1K

How much do plc controls engineer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for plc controls engineer in Seattle, WA is $104,730.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,800.00 and $113,800.00 per year, depending on experience, location, and employer.

What is a PLC controls engineer?

PLC Controls Engineers are professionals who design, program, and maintain programmable logic controllers (PLCs) used to automate industrial processes. They develop control systems that allow machinery and production lines to operate efficiently and safely. Their responsibilities also include troubleshooting issues, upgrading systems, and ensuring compliance with industry standards. PLC Controls Engineers often work closely with other engineers and technicians to optimize manufacturing operations.

What does a PLC controls engineer do?

As a PLC controls engineer, your primary responsibilities include the setup, programming, testing, and implementation of computer control systems used for production automation and industrial equipment design. Your duties are to implement programs on programmable logic controllers and test whether industrial computers process information and function correctly. You debug issues and troubleshoot problems that have non-standard solutions. In this role, you also assess the functionality of electrical, mechanical, and pneumatic systems and may work in numerous fields, including aviation, robotics, energy production, and manufacturing.

What are the key skills and qualifications needed to thrive as a PLC controls engineer, and why are they important?

To thrive as a PLC Controls Engineer, you need strong knowledge of electrical engineering, automation systems, and proficiency in programming PLCs, typically supported by a relevant engineering degree. Familiarity with PLC platforms (such as Allen-Bradley, Siemens, or Schneider), HMI/SCADA systems, and industrial networking is essential, and certifications like Siemens S7 or Rockwell Automation can be advantageous. Analytical thinking, problem-solving skills, and effective communication set outstanding professionals apart in this field. These skills are critical for designing, troubleshooting, and optimizing automated processes to ensure efficiency and reliability in industrial environments.

What are some typical challenges a PLC controls engineer might face when working on a new automation project?

PLC Controls Engineers often encounter challenges such as integrating new automation systems with existing machinery, troubleshooting unexpected equipment behavior, and ensuring minimal downtime during installation or upgrades. Communication with cross-functional teams—including electricians, mechanical engineers, and production managers—is essential to align project goals and resolve issues efficiently. Additionally, adapting to rapidly changing project requirements and keeping up with the latest PLC programming standards are common aspects of the role.

What is the difference between Plc Controls Engineer vs Automation Technician?

AspectPlc Controls EngineerAutomation Technician
CredentialsBachelor's in Electrical/Automation Engineering, PLC certificationsTechnical diploma or associate degree, PLC training
Work EnvironmentDesign, programming, and troubleshooting PLC systems in industrial settingsInstallation, maintenance, and repair of automation equipment
Industry UsageManufacturing, process control, automation firmsFactory floors, maintenance departments

The Plc Controls Engineer focuses on designing and programming PLC systems, requiring engineering credentials. In contrast, the Automation Technician handles installation and troubleshooting, often with technical diplomas. Both roles are vital in industrial automation but differ in scope and responsibilities.

Are Plc Controls Engineers in demand?

Plc Controls Engineers are in high demand due to the ongoing need for automation in manufacturing, processing, and industrial facilities. They typically require knowledge of PLC programming, electrical systems, and control hardware, and job opportunities are expected to grow as industries continue to automate processes.

How much does a Plc Controls Engineer make?

A PLC Controls Engineer's average salary typically ranges from $70,000 to $110,000 annually, depending on experience, location, and industry. Professionals with certifications in PLC programming and automation may earn higher wages, especially in specialized or high-demand sectors.
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Plc Controls Engineer jobs near you
Infographic showing various Plc Controls Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $104,730 per year, or $50.4 per hour.

Controls Engineer

AAON, Inc.

Redmond, WA • On-site

$77.79 - $105.24/hr

Other

Medical, Retirement

Re-posted 15 days ago

AAON rating

8.0

Company rating: 8.0 out of 10

Based on 24 frontline employees who took The Breakroom Quiz

179th of 491 rated machine equipment manufacturers

Job description

HVAC Controls Engineer

Serves a critical role within the organization in creating PLC based controls programs for production orders for HVAC equipment and troubleshooting controls issues with HVAC equipment that has been recently installed in the field.

Responsibilities
  • In-House
    • Remotely diagnose programming and controls issues with field service technicians
    • Participate in after‑hours remote support rotation
    • Assist with programming of PLCs and DDC controllers and diagnose issues within PLC programs
    • Work with sales engineers to design low‑voltage DDC/PLC control systems for customer HVAC equipment—including creation of PI&D drawings, points lists, sequence of operation, etc.
    • Provide final project documentation such as as‑builts, installation operation & maintenance manuals and system parameters
    • Assist with commissioning & testing of equipment on the manufacturing floor
    • Assist with R&D projects and systems validations
  • Field Equipment
    • Travel throughout continental United States (estimated 20% annually)
    • Onsite diagnosis of programming and controls issues with field service technicians
    • Communicate well with customers and technicians in the field through email and phone
    • Read and translate electrical schematics for troubleshooting purposes
    • Document work performed and follow‑up action plans with customers and co‑workers
Qualifications
  • Ability to program, commission and troubleshoot PLC‑based controls
  • Working knowledge of mechanical, HVAC, and building automation (preferred)
  • Two years of previous experience or a combination of education and experience in programming and controls
  • Ability to perform each essential duty satisfactorily
Education
  • Knowledge of HVAC system concepts, equipment, and terminologies
  • Experience with any DDC/PLC programming
  • AutoCAD platform proficiency
  • Programming experience in one form of DDC/PLC programming language(s)
  • Training will be provided for product lines used within the Company
Essential Mental Functions
  • Communicates effectively in written and spoken form
  • Possesses excellent interpersonal relationship skills
  • Exhibits good decision‑making and analytical problem‑solving abilities
  • Demonstrates strong multi‑tasking capabilities and organizational skills
  • Works effectively in a team environment
  • Works effectively in a fast‑paced, high‑pressure environment
Physical Requirements
  • Lift up to 50 lb
  • Sit or stand for up to 95% of work hours
  • Periodic visits to manufacturing facility with seasonal hot and cold temperatures, dust, and some chemical fume exposure

Disclaimer: This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. The employee may be required to perform additional functions. The company reserves the right to revise this job description at any time. The employee must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of the job, absent undue hardship.

Benefits and Compensation
  • Tuition reimbursement
  • Paid time‑off
  • Paid holidays
  • Healthcare insurance & Health Savings Accounts
  • Profit sharing or Annual Incentive Plan
  • Bonus
  • Premium 401(k) plan

Pay Range: $77,789.00 – $105,244.00

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