What are the responsibilities and job description for the Control System Engineer position at Mangan Inc.?
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.
Key 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.
Key Attributes:
- 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
Technical Capabilities:
- PLC / HMI Programming:
- 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
- DCS Exposure (preferred)
- Honeywell Experion
- Safety Systems (is a plus):
- Triconex, Safety Manager, or similar logic solvers
Core Competencies:
Safety: Is proactive in all safety matters and displays an enthusiasm for safety.
Attitude: Exhibits a positive attitude, shows initiative, and accepts direction from qualified sources; demonstrates dependability and commitment to Mangan projects.
Teamwork: Interacts well, cooperates with coworkers on the team, and shows respect for all team members.
Quality: Work meets or exceeds the company quality standard; ability to multi-task.
Knowledge: Displays the ability to perform the challenging technical skills required for the project.
Communication: Effectively and respectfully communicates on all levels, both written and oral, with all clients, vendors, and Mangan staff.
Problem-Solving Skills: Analyzes problems and reaches acceptable and workable solutions
Decision Making: Displays the willingness and judgment to make decisions; take actions upon decisions made with good judgment
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