Senior Control Systems Engineer

TIAG is seeking a Senior Control Systems Engineer to architect and design SCADA systems for the AFHE modernization project at Pituffik Space Force Base, Greenland. You will design system architecture, develop serial polling schemes, configure redundant networks, and provide technical leadership for SCADA/PLC integration.

This position is remote with travel to North Charleston, SC and Pituffik SFB, Greenland, up to 50% of the time. A valid passport and active Secret security clearance is required for consideration.

Duties & Responsibilities

• Design overall SCADA system architecture for the AFHE platform using Aveva/Wonderware
• Develop robust serial polling schemes for RS-485 networks connecting valve actuators, ATGs, and flow computers
• Implement redundant A and B network communications with automatic failover
• Implement peer-to-peer PLC communications for emergency shutdown (ESD) functionality
• Create software logic flow diagrams and polling driver designs
• Migrate field device polling from server-based to PLC-based architecture
• Configure industrial communication protocols (Modbus TCP/IP, Modbus Serial, Ethernet/IP)
• Design Safety Integrity Level 2 (SIL2) safety network architecture
• Implement tag naming conventions and database structures per AFHE specifications
• Configure redundant application engines, historians, and SQL databases within the AFHE application
• Connect devices via a fiber optic network topology and a 1000Base-TX backbone
• Integrate external subsystems, including tank gauging (Enraf 954), valve actuators (Limitorque/Rotork), and flow computers
• Provide technical mentorship to the control systems engineer
• Conduct design reviews and approve technical approaches
• Troubleshoot complex integration issues during PITCO and onsite testing

Qualifications

• BS in Electrical/Computer Engineering, Computer Science, or related field
• 10+ years of experience in SCADA/industrial control systems
• 7+ years with Aveva System Platform (ArchestrA, InTouch, Historian)
• 5+ years architecting complex SCADA systems with redundancy
• Expert knowledge of industrial protocols (Modbus, Ethernet/IP, RS-485)
• Strong PLC programming experience (Modicon M340/580 preferred)
• Experience designing SIL-rated safety systems
• Deep understanding of serial communications, bridging, and polling strategies
• Knowledge of fuel handling systems and bulk storage operations
• US Citizenship required
• Extensive travel to Pituffik SFB, Greenland
• Strong leadership and mentoring abilities
• Excellent problem-solving and troubleshooting skills

Preferred Experience

• DLA-Energy or defense fuel infrastructure experience
• Aveva Certified System Platform Developer
• Enraf/Veeder Root tank gauging integration
• Rotork/Limitorque valve actuator experience

TIAG is an equal opportunity employer and federal contractor or subcontractor. Consequently, the parties agree that, as applicable, they will abide by the requirements of 41 CFR 60-1.4(a), 41 CFR 60-300.5(a), and 41 CFR 60-741.5(a) and employment decisions shall be based solely on merit and without regard disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. TIAG takes proactive steps to employ and advance in employment qualified individuals without regard to disability or protected veteran status. The parties also agree that, as applicable, they will abide by the requirements and may be subject and required to take action pursuant to the following laws and accompanying regulations:

The Vietnam Era Veterans Readjustment Assistance Act of 1974, as amended (and its implementing regulations at 41 C.F.R. 60-300);
Section 503 of the Rehabilitation Act of 1973, as amended (and its implementing regulations at 41 C.F.R 60-741); and
Executive Order 13496 (and its implementing regulations at 29 C.F.R. part 471, Appendix A to Subpart A).