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Senior Principal Full Stack Engineer
DigiCert
Sterling, VA
- $179,000 to $215,000 USD / year
Develop and optimize systems to support high-throughput, low-latency workloads (10%). Work with cloud-based infrastructure to deploy, monitor, and operate services in production…
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SAP SCM Software Test Engineer
CACI
Remote, United States
…integration. We're looking for an accomplished Software Test Engineer to execute hands-on manual testing for this large-scale SAP implementation. Your expertise in test execution and SAP…
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Senior Construction Manager
AtkinsRealis USA Inc.
United States
- $150,000 to $180,000 USD / year
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
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Project Assistant
AtkinsRealis USA Inc.
United States
- $20 to $26 USD / hour
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
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Project Controller
AtkinsRealis USA Inc.
United States
- $80,000 to $100,000 USD / year
Must have good to excellent competency with MS Office (especially Excel), large business accounting systems, and support systems.
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Instrumentation & Controls Engineer II
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United States
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
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Mechanical Engineer - Pipe Stress Engineering
AtkinsRealis USA Inc.
United States
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United States
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Roadway Civil Engineering Intern - Summer 2027
AtkinsRealis USA Inc.
United States
…technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project…
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Industrial Engineer
Defense Logistics Agency
Robins AFB, GA
- $89,508 to $116,362 USD / year
Serves as an Industrial Engineer with responsibility to participate in the study, design and planning of the layout and processes for major integrated systems of people, materials, and…
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SUPERVISORY GENERAL ENGINEER
U.S. Pacific Fleet
Everett, WA
- $151,499 to $196,954 USD / year
…monitor, and review the planning and administration of engineering support for contracts related to the repair/overhaul/conversion of ships, dry docks, and service craft assigned to PSNS…
Added 1 min ago
Director, Component Engineering
Kairos Power
Alameda, CA
…VIII requirements and company quality procedures, including support for the development of User Design Specifications and preparation of required design…
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PMU Hardware Electrical Design Engineer
Apple
Cupertino, CA
…products launched this year. We are looking for a hardworking engineer that is enthusiastic about embedded hardware design. You can work closely with a diverse and creative team to craft…
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Staff Machine Learning Engineer - Commerce & Growth Intelligence
Apple
Cupertino, CA · San Francisco, CA
The Commerce & Growth Intelligence team is looking for a Staff Machine Learning Engineer to build the systems that bring ML capabilities into customer-facing products.
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Module System Engineer
Apple
Cupertino, CA
We're looking for a Module System Engineer to design and deploy the test instruments that validate our camera and battery modules, from prototype through high-volume manufacturing. You'll…
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Site Reliability Engineer - Fleet Command & Control
Etched
San Jose, CA
…command-and-control layer for our fleet of frontier inference systems: the alerting, automated recovery and fleet data that keep clusters serving, and the routing that gets each problem to…
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Senior Structural and Dynamics CAE Engineer
PACCAR
Mount Vernon, WA
- $119,100 to $186,300 USD / year
Support development of next-generation vehicle technologies: battery electric vehicles (BEVs), autonomous driving systems, alternative fuel powertrains, and advanced suspension…
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L3 Cloud Services Engineer
Align Communications
TX · Phoenix, AZ · Salt Lake City, UT
Align is seeking a skilled and motivated L3 Cloud Services Engineer to join our expanding Managed Services team. The ideal candidate will bring 5 to 8+ years of relevant experience,…
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Supplier Quality Management Development Engineer
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Auburn Hills, MI, MI · Wooster, OH, OH
Support supplier portfolio management, including recommendations for sourcing councils based on quality, technology performance, and supplier potential.
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Quality Engineer--QAQAA11
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BMT Aerospace is a well-established and growing aerospace manufacturing machining company seeking experienced Quality Engineer. We offer competitive wages and benefits (includes BCBSM PPO).…
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Manufacturing Engineer
Access Laser Company
Everett, WA
Summary of role: The Manufacturing Engineer works cross-functionally with the production department, design/project engineers and quality team to integrate new products into the production…
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Cyber Security Consultant
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…62443, and we have growing expertise in NIS2 and CRA and also support…
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Java Backend Software Engineer III
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Chicago, IL
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Group Lead Energy Center Maintenance - Columbus, OH
Abbott Laboratories
Columbus, OH
- $29.55 to $59.05 USD / hour
Safely operate, monitor, maintain, and troubleshoot Energy Center equipment and utility systems supporting continuous site operations.
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Landfill Engineer Trainee
WM
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As part of a formal 12-month training program, the Landfill Engineer Trainee will begin a professional journey under the mentorship of experienced technical staff and managers. The program…

RFA Engineering

PLC/HMI Controls Software Engineer

Saint Paul, MN, United States
Eden Prairie, MN, United States

Pay Range: $90,000-$140,000 Commensurate with experience

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Job details

Pay: Pay Range: $90,000-$140,000 Commensurate with experience
Posting language: English
Posted: Nov 4, 2026

Original job description

RFA Engineering (www.rfamec.com) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking experienced controls and automation engineers to join our engineering team. For this position RFA will be working in many functional areas supporting industrial automation, automated equipment, machine controls, material handling systems, and other complex engineered equipment across a variety of industries.

PLC/HMI Controls Software Engineer

PLC/HMI Controls Software Engineer will support the development, integration, testing, and commissioning of automated machinery and industrial control systems. This role will work on custom equipment including material handling systems, cranes, gantries, robotics, motion-control systems, and specialized automation equipment used in demanding industrial environments.

Responsibilities

Develop PLC and HMI software for industrial machinery and automated equipment.
Create machine sequences, operating modes, interlocks, alarms, diagnostics, and recovery functions.
Program PLCs using Structured Text, Siemens SCL, ladder logic, or similar languages.
Configure and integrate industrial networks, controllers, drives, sensors, and actuators.
Develop and troubleshoot motion-control systems including VFDs, servo drives, motors, and encoders.
Support robotics, machine vision, and advanced automation technologies as required.
Perform software integration, machine checkout, troubleshooting, startup, and commissioning activities.
Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).
Participate in controls design reviews and software verification activities.
Collaborate with electrical, mechanical, manufacturing, and project engineering teams.
Create and maintain software documentation, test procedures, and as-built records.

Requirements

Bachelor’s degree in Electrical Engineering, Controls Engineering, Computer Engineering, Electrical Engineering Technology, or a related field.
Experience with PLC programming, machine controls, or industrial automation.
Experience developing PLC-based control systems.
Ability to read and interpret electrical schematics and technical documentation.
Strong troubleshooting, analytical, and problem-solving skills.
Effective written and verbal communication skills.
Ability to work in a multidisciplinary engineering environment.

Preferred Qualifications

3+ years of industrial controls or automation experience.
Experience with Siemens PLCs, TIA Portal, and Structured Text.
Experience with Rockwell PLCs and FactoryTalk products.
Experience developing HMI applications using Ignition, FactoryTalk View, WinCC, or similar tools.
Experience with industrial networking and distributed control systems.
Experience with servo systems, motion control, robotics, and machine vision.
Experience commissioning automated equipment and supporting FAT/SAT activities.
Familiarity with machine safety, functional safety, and SIL-rated systems.
Experience with cranes, gantries, automated material handling systems, or custom machinery.
Knowledge of industrial cybersecurity concepts.
Experience supporting projects in highly regulated industries such as nuclear, energy, aerospace, or defense.

Visa sponsorship is NOT available for this position.

Pay Range: $90,000-$140,000 Commensurate with experience

About RFA Engineering

RFA Engineering has provided product development and engineering services to industry leading customers since 1943. Our primary focus is the development of off highway equipment including agricultural, construction, mining, recreational, industrial, and special machines. Our work includes concept development, product design, documentation, problem-solving, simulation, optimization, and testing of components, systems and complete machines. Our engineering staff is located at our Engineering Center in Minneapolis, branch office in Dubuque, IA, and at numerous customer sites throughout the U.S.

Competitive Benefits

Health and Dental Insurance
TelaDoc Healthiest You
Supplemental Vision Insurance
Company Paid Life Insurance
Company Paid Long-Term Disability
Short-term Disability
Retirement Savings Account (Traditional 401k & Roth 401k)
Flexible Spending Plan Dependent Care
HSA for Medical Expenses
Bonus Plan (Exempt Employees Only)
Paid Time Off (PTO)
Paid Holidays
Bereavement Leave
Employee Assistance Programs (EAP)
Education Assistance

Equal Opportunity and Veteran Friendly

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