Controls Engineer III

Location & Employment Details

Onsite in Mansfield, TX or Duquesne, PA. Full‑time direct‑hire position. Compensation: $90,000 – $120,000 per year plus annual bonus eligibility. Travel: field‑based role with up to 60 % travel, including overnight stays as project assignments require. May participate in on‑call rotation based on location and project requirements.

Company Overview

Thermo Systems is a global, full‑service control systems integration partner delivering premier automation solutions across the Energy, Life Sciences, and Mission Critical markets. Guided by “The Thermo Way,” the company emphasizes employee success, customer success, and financial strength, believing that strong teams, trusted partnerships, and technical excellence drive sustainable success.

The Opportunity

The Controls Engineer III supports the design, integration, and delivery of automation and control system projects in industrial and mission‑critical environments. The role leads individual project tasks or small‑to‑mid‑sized projects, providing engineering expertise across design, implementation, testing, and commissioning phases while collaborating with project managers, engineers, and commissioning teams.

Core Responsibilities

• Lead and support start‑up and commissioning of control systems.
• Lead and perform Factory Acceptance Tests (FAT) for automation systems.
• Interpret piping and instrumentation diagrams (P&IDs) and electrical wiring diagrams; provide feedback on field conditions.
• Develop and implement HMI and PLC‑based automation solutions.
• Contribute to design and implementation of complex control systems.
• Provide instrumentation specifications for automation and control system designs.
• Review technical documentation generated by project team members for accuracy and quality.
• Deliver assigned engineering tasks accurately, on schedule, and within project scope.
• Identify potential technical challenges and proactively develop solutions.

Collaboration & Communication

• Coordinate with project managers, engineers, subcontractors, and commissioning teams to ensure successful project execution.
• Communicate clearly and proactively with customers and trade partners throughout project lifecycles.
• Serve as the primary customer contact for assigned projects or tasks.
• Provide updates on project progress, risks, and technical challenges to project leadership.
• Develop and maintain strong working relationships with customers and project stakeholders.

Quality, Safety & Process

• Follow Thermo Systems Quality Management System (QMS) processes and standards.
• Maintain strong attention to detail in engineering documentation and system configuration.
• Ensure automation designs align with project specifications and customer requirements.
• Apply a solid understanding of industrial networking, IT infrastructure, and system integration practices.
• Support continuous improvement in engineering workflows and project delivery processes.

People Leadership

• Provide technical guidance to junior engineers and project team members when assigned.
• Support field teams and commissioning personnel during system installation and testing.
• Promote a collaborative team culture aligned with The Thermo Way.

Education & Experience

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Computer Science, or a related technical discipline.
• Typically 4 + years of experience in industrial automation, controls engineering, or system integration environments.
• Demonstrated experience leading engineering tasks or small project scopes.

Skills & Qualifications

• Strong understanding of PLC programming and HMI development.
• Ability to interpret P&IDs, electrical schematics, and control system documentation.
• Experience supporting system integration, testing, and commissioning activities.
• Knowledge of industrial networking and IT systems related to control system integration.
• Strong analytical and troubleshooting capabilities.
• Effective communication and collaboration skills.
• Ability to manage priorities and meet deadlines across multiple projects.
• Commitment to quality, safety, and accountability.
• Willingness to travel and support field‑based project assignments.

Compensation & Benefits

• Salary range: $90,000 – $120,000 per year.
• Annual bonus opportunity.
• 401(k) with company match.
• Comprehensive medical, dental, and vision coverage with low‑cost options.
• Paid time off and sick leave.
• Tuition reimbursement and professional credential support.
• In‑house and external technical training opportunities.
• Exposure to complex, high‑impact automation projects.
• A collaborative culture built on integrity, accountability, and teamwork.