Senior Control Systems Engineer; Preconstruction

What sets us apart is our unique culture. We thrive on teamwork, consistently surpass customer expectations, and celebrate both personal and professional success.

If you believe Thermo Systems is the right fit for you, explore our open positions below.

Location: Remote in UK, Ireland, Netherlands, Denmark or Finland | Project Site Based or Remote w/Travel (as applicable)
Employment Status
:
Full Time | Direct Hire
Compensation
:
Competitive + Bonus
Travel
:
Up to 20% (as needed per project requirements)
On Call
:
No

Thermo Systems is a global, full-service control systems integration partner delivering premier class automation solutions across the Energy, Life Sciences, and Mission Critical markets. Guided by The Thermo Way
, we are unified, dynamic, and committed to delivering excellence. Our culture is grounded in three core principles:

• Employee Success – investing in our people and their growth
• Customer Success – delivering reliable, high-quality solutions
• Financial Strength – operating with discipline and long-term focus

We believe strong teams, trusted partnerships, and technical excellence drive sustainable success.

The Senior Controls Design Engineer (Preconstruction) is responsible for the design, development and delivery of complex control system solutions while supporting preconstruction and design assurance activities across mission-critical projects. Working across BMS, PMS, SCADA and OT systems, you will deliver key engineering scope while working with Technical Sales to review new bids, validate technical requirements, and identify scope gaps, risks and opportunities before projects transition into delivery.

Across active projects, you will support design reviews and IFC page-turns, maintain high standards for engineering submittals, and work with Design Managers to support effective design governance and change management.

You will remain actively involved in control system design, software development, integration and commissioning while contributing lessons learned and improvements to engineering standards and ways of working.

This role is ideal for an experienced Controls Engineer looking to combine technical project delivery with increased involvement in preconstruction, design assurance and continuous improvement.

• Work with Sales and Estimating on new bids to review and validate BMS, PMS, SCADA and OT scope
• Review specifications, Basis of Design, drawings, equipment counts, panel requirements and other bid documentation to identify scope gaps, risks and opportunities
• Support technical scope development, assumptions and clarifications through bid and preconstruction phases
• Support the transition of awarded projects from Sales into Design Engineering
• Lead IFC Draft and IFC Final page-turns, ensuring actions and design comments are tracked through closure
• Support identification and tracking of design changes that may impact project scope, cost or programme
• Develop and review control system architectures, software, control narratives, points lists, network architecture and technical documentation
• Support control panel, instrumentation and equipment interface design
• Perform technical reviews and provide engineering support through design, integration and construction
• Troubleshoot complex controls, communications and system integration issues
• Configure and develop PLC and associated controls platforms including Rockwell, Siemens and Schneider
• Support FAT, SAT, commissioning and system integration activities
• Coordinate with cross-functional teams to align scope, schedule, and deliverables.
• Communicate clearly and…