Instrumentation & Controls Engineer — PLC/SIS Specialist

Trinity Consultants Engineering & EHS Workforce Solutions; Philadelphia (Philadelphia County); On-site; USD 85,000 - 110,000; Full time

Job summary

Applicants should have a Bachelor’s degree in Engineering and 3+ years of relevant experience, with expertise in PLCs, SIS, Triconex, and control systems. Strong communication and teamwork are essential for success in a fast-paced plant setting.

Qualifications

• Bachelor's degree in Engineering (required).
• 3+ years of Electrical/Instrumentation experience in a chemical, petrochemical, refinery, or oil & gas facility.
• Experience with PLCs, SIS, Triconex, relay logic, and control systems.
• Knowledge of instrumentation design, sizing, and process controls.
• Strong troubleshooting, problem-solving, and root cause analysis skills.
• Excellent communication and teamwork abilities.
• Ability to manage multiple priorities in a fast-paced plant environment.
• Willing to provide technical support during off-hours when needed.

Responsibilities

• Support instrumentation, controls, PLC, and SIS systems
• Troubleshoot equipment and lead root cause investigations
• Improve reliability and process performance
• Support capital projects and system upgrades
• Review designs and specify instrumentation equipment
• Assist with plant startups, testing, and commissioning
• Manage instrument documentation and records
• Support Management of Change (MOC) activities

Skills

Electrical/Instrumentation experience

PLCs/SIS/Triconex

Education

Bachelor's degree in Engineering

Tools

Triconex

PLCs

Job description

Applicants should have a Bachelor’s degree in Engineering and 3+ years of relevant experience, with expertise in PLCs, SIS, Triconex, and control systems. Strong communication and teamwork are essential for success in a fast-paced plant setting.