Senior Instrumentation Engineer – Lead EPC Projects

Nexus Engineering Group; Maumee (OH); On-site; USD 120,000 - 160,000; Full time

Job summary

Nexus Engineering Group, a distinguished EPCm firm, seeks a Senior Instrumentation Engineer to lead instrumentation design for client EPC projects. You will interface with clients, develop instrument data sheets, P&IDs, and control system interfaces, and support field activities including startup and commissioning.

The role requires strong ownership of technical quality, project schedules, and budgets, with hands-on experience in instrumentation sizing, calibration, and vendor coordination.

Qualifications

• 8+ years of engineering experience in oil & gas, petrochemical, refining, or heavy industrial facilities.
• Working knowledge of industry standards (ISA, PSM, etc.).
• Excellent verbal and written communication skills and ability to present to clients.
• Ability to lead projects, develop schedules, budgets and forecasts and manage deliverables.
• Field work and client interfacing experience may be required.

Responsibilities

• Lead detailed instrumentation design for EPC projects.
• Create P&IDs and instrument data sheets, sizing and calibration drawings.
• Develop instrument datasheets for flow, level, pressure, temperature, analyzers; maintain I/O lists for DCS/PLC/SIS.
• Specify measurement technologies based on process needs (DP, Coriolis, ultrasonic, radar).
• Develop wiring infrastructure and control system interfaces; read motor schematics.
• Review vendor drawings and assist in field work and startup/commissioning activities.
• Support control system architecture design and FAT/SAT activities.
• Coordinate with process, mechanical, electrical, and piping disciplines.
• Provide MTOs to estimating department and assist procurement.

Skills

Instrumentation engineering

Verbal and written communication

Team collaboration

Engineering calculations

Microsoft Office

Education

BS in Chemical/Electrical/Mechanical Engineering

Advanced degree or PE certification

SIS certification (plus)

Professional organizations involvement (plus)

Tools

AutoCAD

3-D CAD

Microsoft Office (suite)

Job description

Nexus Engineering Group, a distinguished EPCm firm, seeks a Senior Instrumentation Engineer to lead instrumentation design for client EPC projects. You will interface with clients, develop instrument data sheets, P&IDs, and control system interfaces, and support field activities including startup and commissioning.

The role requires strong ownership of technical quality, project schedules, and budgets, with hands-on experience in instrumentation sizing, calibration, and vendor coordination.