Senior Instrumentation & Controls Engineer — Corvallis

Seneca Resources; Corvallis (OR); On-site; USD 80,000 - 113,000; Full time

Job summary

Seneca Resources is seeking a career-level Instrumentation and Controls Engineer for an on-site, contract-to-hire opportunity supporting advanced industrial projects. You will design, program, and integrate PLC/SCADA/HMI systems, develop SOOs, and work with multidisciplinary teams to deliver reliable automation in dynamic manufacturing environments.

The role emphasizes field work in active construction settings, collaboration with client owners, and delivering high-quality control solutions for

Qualifications

• Bachelor’s degree in Electrical, Mechanical, or Chemical Engineering from an ABET-accredited institution.
• At least 6 years of instrumentation and controls engineering experience.
• Active Professional Engineer (PE) licensure required.
• Experience with instrumentation and control systems for industrial facilities.
• Understanding of NFPA and UL 508A standards.
• Experience in pharmaceutical/manufacturing/data center environments is a plus.
• Strong communication and multitasking abilities.
• Experience developing or programming PLC, SCADA, and HMI systems.

Responsibilities

• Develop proposals, budgets, and schedules for process-specific engineering work.
• Design and implement instrumentation and controls for manufacturing equipment and safety systems.
• Provide in-process controls support within manufacturing environments.
• Design facility control systems and SCADA projects.
• Develop P&IDs, loop drawings, control panels, and wiring diagrams.
• Document Sequences of Operation (SOOs).
• Support PLC, SCADA, and HMI programming and system integration.
• Collaborate with owners, engineers, and construction teams; present to clients and teams.
• Lead or support small design teams and contribute innovative engineering practices.
• Perform field work in active construction environments.

Skills

Verbal and Written Communication

Collaboration

Analytical Thinking

Multitasking

Problem Solving

Education

ABET-accredited Engineering Degree (Electrical/Mechanical/Chemical)

Tools

PLC

SCADA

HMI

AutoCAD

Revit

Navisworks

Job description

Seneca Resources is seeking a career-level Instrumentation and Controls Engineer for an on-site, contract-to-hire opportunity supporting advanced industrial projects. You will design, program, and integrate PLC/SCADA/HMI systems, develop SOOs, and work with multidisciplinary teams to deliver reliable automation in dynamic manufacturing environments.

The role emphasizes field work in active construction settings, collaboration with client owners, and delivering high-quality control solutions for