Senior OT Networks Engineer – Mission Critical / Automation
Location: Hybrid / Field-Based (Europe)
Employment Status: Full Time | Direct Hire
Compensation: Competitive + Bonus
Travel: Up to 50% (project dependent)
On Call: No
Who We Are
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
The Opportunity
The OT Networks Engineer is responsible for the design, development, delivery and continuous improvement of OT devices and network infrastructure or complex control system solutions across mission‑critical projects. This role plays a key part in executing high-quality engineering deliverables while supporting project teams through design, integration, and commissioning phases.
Operating across multiple projects, you will take ownership of key technical deliverables, contribute to system architecture decisions, and support less experienced engineers to ensure consistency and quality across the team.
What You’ll Do
Core Responsibilities:
- Design, develop, and continuously improve OT network infrastructure and server architecture for mission‑critical projects.
- Produce, review, and maintain network architecture diagrams, server configurations, and associated technical documentation.
- Execute engineering tasks across multiple projects, ensuring delivery to agreed schedule, scope, and quality.
- Support system integration, Factory Acceptance Testing (FAT), and Site Acceptance Testing (SAT) for OT network infrastructure.
- Assist with commissioning activities including system validation, troubleshooting, performance optimisation, and issue resolution.
- Interpret network schematics, control narratives, and system architecture documents to ensure accurate implementation.
- Identify and resolve network‑ and server‑related issues across OT infrastructure, software, hardware, and system interfaces.
- Coordinate with IT teams, control system vendors, and commissioning stakeholders to ensure aligned and secure OT network integration.
- Support value engineering initiatives to optimise cost, performance, resilience, and maintainability.
- Contribute to the development and continuous improvement of engineering standards, tools, and delivery processes.
- Provide technical input to Business Development teams for proposals, tenders, and bid support as required.
- Coordinate with cross‑functional teams to align scope, schedule, and deliverables.
- Communicate clearly and proactively with internal teams, customers, and partners.
- Act as a technical interface between Engineering, Integration, and Operations teams.
- Support project leadership in identifying risks, resolving issues, and maintaining delivery alignment.
- Identify and elevate technical risks, constraints, or scope changes early.
Quality, Safety & Process
- Adhere to company policies, QMS requirements, and established safety standards
- Support and enhance the company’s Quality Management System (QMS)
- Ensure engineering deliverables meet high standards of accuracy, completeness, and consistency
- Promote structured engineering and documentation practices across all projects
- Identify opportunities for process improvement and drive continuous improvement initiatives
What We’re Looking For
Education & Experience
- Bachelor’s degree in Electrical Engineering, Control Systems, Computer Engineering, Network Engineering, IT, or similar – and with industrial automation or OT cybersecurity (IEC 62443 awareness)
- 5+ years’ experience in OT network engineering, industrial networking, or control system infrastructure.
- Industry experience and/or qualification with Cisco (CCNA / CCNP – or equivalent), virtualization platforms (VMware, Hyper‑V) and with industrial automation or OT cybersecurity (IEC 62443 awareness)??????
Skills & Qualifications
- Equivalent technical qualification with substantial OT networking experience may be accepted
- Experience in OT network architecture design, server deployment, and network infrastructure integration and troubleshooting
- Strong understanding of network engineering principles and OT infrastructure design for centralized and distributed systems
- Ability to read and interpret network architecture designs and network‑related control engineering documentation
- Experience supporting OT network FAT, SAT, and commissioning activities
- Ability to work independently on complex engineering tasks and take ownership of deliverables
- Strong troubleshooting, problem‑solving, and decision‑making skills with attention to detail
- Experience coordinating with IT teams and vendors to support IT/OT integrated environments
- Effective communication and teamwork skills across multidisciplinary project teams
- Ability to manage priorities, meet deadlines, and work across multiple projects
- Commitment to quality, safety, accountability, and engineering best practices
What You’ll Get
- Competitive salary and annual performance bonuses
- Pension plan
- Paid time off (PTO) and company holidays
- Relocation or living stipend (based on assignment)
- In‑house and factory training + tuition reimbursement
- Casual, team‑oriented culture with regular events, free lunches, and company swag
Work Environment & Physical Requirements
Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
Equal Employment Opportunity
Thermo Systems provides equal employment opportunities (EEO) to all employees and applicants regardless of race, color, religion, sex, national origin, age, disability, or genetics.
Disclaimer
This job description outlines the general nature and level of work expected. Duties and responsibilities may change at any time based on business needs.
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