Preventative Maintenance Technician

About L. L. Blue Engineering

L.L. Blue Engineering is an industrial automation and control systems engineering firm dedicated to engineering the world of tomorrow. We design, integrate, secure, and support mission-critical industrial systems that keep essential infrastructure operating safely and reliably.

Our team specializes in industrial automation, control system modernization, digital plant transformation, ICS/OT cybersecurity, commissioning, startup support, and ongoing technical services. We serve clients across utilities, manufacturing, transportation, water and wastewater, and other critical infrastructure industries.

At L.L. Blue Engineering, employees have the opportunity to work on meaningful projects, collaborate with experienced professionals, develop technical expertise, and build rewarding careers supporting some of the nation's most important industrial systems.

We're Growing. We're Looking for I&C Talent Ready to Contribute.

L.L. Blue Engineering is expanding our Instrumentation & Controls (I&C) team, and we're looking for experienced, hands-on technical professionals ready to contribute to real projects.

We're hiring at both Junior and Senior levels. Whether you're developing your I&C career or you're an experienced technician ready for greater responsibility, we're interested in professionals who know the work, enjoy troubleshooting, and take pride in getting systems operating correctly.

Required Experience

Candidates must have

and experience in several of the following:

• PLC, HMI, and SCADA systems

• Instrument calibration and testing

• 4–20 mA instrumentation

• Electrical and controls troubleshooting

• Transmitters, sensors, control valves, and actuators

• Loop checks and I/O verification

• P&IDs, loop drawings, wiring diagrams, and schematics

• Industrial automation and process control

• Startup, testing, and commissioning

Which Level Fits You?

Junior Level:

You have hands-on I&C experience and a solid technical foundation but are still developing your ability to independently execute more complex field assignments.

Senior Level:

You bring significant hands-on I&C experience and can independently troubleshoot systems, perform calibration and testing, support or lead commissioning activities, work directly with clients, and help guide developing technicians.

Technical degrees, trade-school education, military technical training, apprenticeships, and industry certifications are valued, but

Before You Apply

Hands-on I&C experience is a requirement for this position.

We're looking for candidates who have worked directly with instrumentation and control systems in industrial, utility, manufacturing, or similar environments and are prepared to apply that experience on client projects.

We're looking for professionals who are

A valid driver's license and the ability to travel to client sites are required.

Why L.L. Blue Engineering?

We're growing, and we're building the technical team needed for where we're headed next.

At L.L. Blue, you'll have the opportunity to work on challenging industrial systems, expand your technical capabilities, take on increasing responsibility, and grow your career as our organization grows.

If you have the experience, technical ability, and drive to contribute,

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