Engineer, Control Systems I

Mangan, Inc • Concord, CA

8h • Onsite

About The Position

This position is an embedded, on-site role supporting refinery PLC systems. The engineer will work directly with the client’s control systems team and is responsible for maintaining, troubleshooting, and improving PLC-based control systems across the facility.

The role requires strong technical capability, ownership of system reliability, and the ability to operate effectively with minimal direction in a live operating environment.

Requirements

• Strong troubleshooting skills in operating industrial environments
• Able to work safely and effectively in a refinery setting
• Self-directed and proactive; does not rely on constant task assignment
• Comfortable working as part of a client-integrated team
• Strong sense of ownership and accountability for system performance
• Able to interpret and apply facility standards and system philosophies
• PLC programming (Allen Bradley CLX, CompactLogix, SLC, and PLC5 are required)
• HMI programming (PanelView is required)
• Logic Solver programming (Triconex Platform preferred, plus others)
• Familiarity with P&IDs, Logic Diagrams, Cause / Effect matrices, and Functional Narratives
• Cutovers/loop checks
• Startup assistance/troubleshooting

Nice To Haves

• DCS Exposure (preferred)
• Honeywell Experion
• Safety Systems (is a plus):
• Triconex, Safety Manager, or similar logic solvers

Responsibilities

• Maintain and support refinery PLC systems to ensure safe and reliable operation
• Troubleshoot and resolve field issues in real time
• Modify and update PLC logic to support project and operational changes
• Perform firmware upgrades and minor hardware upgrades for legacy systems
• Support MOC processes and ensure compliance with site standards
• Participate in system testing, loop checks, cutovers, and startup activities
• Work closely with operations, maintenance, and client engineering teams
• Identify gaps, inefficiencies, or risks and proactively address them
• Effectively utilize time during low workload periods to improve systems, documentation, or standards.
• Respond to callouts as needed and scheduled.

Benefits

• Competitive salary with a discretionary bonus for hours worked in excess of 80 hours in a two-week pay period
• Benefit Time Off (BTO) that can be used as paid vacation, sick time, holiday funding, or can be taken as cash
• Employee Stock Ownership Plan (ESOP)
• 401(k) Matching
• Company funded health insurance
• Health club sponsorship

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: No Education Listed