Operational Technology Engineer

Responsibilities:

Our client is seeking an enthusiastic, hands‑on Operational Technology (OT) / Manufacturing Technology Engineer to support technology integration, automation enhancements, and digital transformation initiatives across their production environment.

This person will play a key role in deploying new technologies, supporting plant operations, and improving the reliability and efficiency of manufacturing systems.

This role is ideal for someone who is technically curious, collaborative, and excited about working closely with production, engineering, and IT teams.

The client is open on experience level—ranging from entry‑level candidates eager to learn, to more seasoned engineers seeking a long‑term home.

This is a contract to hire opportunity located onsite in Bensenville, IL.

Responsibilities:

• Introduce, integrate, and deploy new technology solutions within the manufacturing facility
• Identify opportunities to enhance automation, efficiency, and digital transformation across production operations
• Partner with Production, Inventory, Engineering, Maintenance, IT, Quality, and other functional groups to understand operational needs
• Conduct regular maintenance and troubleshooting on OT systems to minimize production downtime
• Collaborate with cross‑functional teams to optimize and integrate OT systems, including PLCs, SCADA, and automation technologies
• Diagnose and resolve hardware, software, and operating system issues
  
  
• Evaluate, propose, and support technology solutions in coordination with technology and maintenance teams
• Document system configurations, procedures, and technical workflows
  
  
• Lead and support end‑to‑end IT/OT implementation and ongoing management
  
  
• Ensure OT systems integrate effectively with the corporate IT network
  
  
• Participate in future capital and technology projects to ensure planning aligns with OT requirements
  
  
• Stay current on emerging technologies related to Industrial IoT, OT cybersecurity, automation, and data standardization
  
  
• Perform related duties and project work as assigned

• Bachelor’s degree in Engineering, Electronics, Information Technology, or related discipline
• Strong English communication skills, both written and verbal
• Ability to explain technical concepts to non‑technical users and stakeholders
• Quick learner with strong problem‑solving and analytical abilities
• Ability to troubleshoot industrial control systems and automation technology
• Familiarity with industrial communication protocols (Modbus, Profibus, OPC UA)
• Knowledge of Siemens S7 and TIA Portal, as well as Allen‑Bradley Studio 5000/FactoryTalk
• Understanding of IT/OT technologies, automation, and data acquisition concepts
• Basic project management capabilities (planning, budgeting, scheduling, progress tracking, risk management)
• Familiarity with cybersecurity best practices within manufacturing environments
• Working knowledge of PLC programming, HMI, and SCADA systems
• Understanding of wiring diagrams, industrial controls, and electrical basics
• Experience working with network switches
• CCNA certification preferred
• Experience with Linux, PowerShell, and SQL is a plus
• Must demonstrate a “can-do” attitude
• Legally authorized to work in the US without sponsorship
• Must demonstrate a “can-do” attitude

We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.

Compensation Range:

$70-000-$100-000

What you get:

We offer weekly competitive pay, medical, dental, vision, 401K and more.

MOTIVATED…..make IT happen!

Sentinel Technologies, Inc. has been rated a top workplace every year since 2012!

About Us:

Sentinel delivers solutions that can efficiently address a range of IT needs – from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today’s global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Lansing, and Grand Rapids, MI; Milwaukee, WI; and Denver, CO.

If you are MOTIVATED… you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!

If you share our passion about what technology can do and want to be part of a top workplace environment – we’d like to have you join our team. Learn more at

As part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.

Sentinel is proud to be an equal opportunity employer including disability and veterans. In accordance with Title VII and state regulations, all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, marital status, pregnancy, genetics, disability, military, veteran status or any other basis protected by law.

If you are an individual with a disability and need assistance in applying for a position, please contact [email protected].

The “Know Your Rights” Poster is available here

Sentinel EEO Policy Statement is available here.

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