OT SCADA Engineer in Exeter

We are seeking an experienced OT SCADA Engineer to support the safe, secure and efficient operation of critical operational assets. This is a highly technical, hands‑on role focused on the design, configuration, delivery and ongoing support of SCADA, PLC, telemetry and wider Operational Technology (OT) systems that underpin essential operational services. Working across the full SCADA lifecycle, you will play a key role in system design, commissioning, fault diagnosis, optimisation and continuous improvement. You will ensure OT systems are robust, resilient and consistently available, complying with regulatory, health & safety and cyber‑security requirements, while aligning with established OT standards and governance.

Key Responsibilities

• Design, configure, commission and support SCADA systems, including alarms, data handling, trending, archiving and visualisation across both new and legacy platforms.
• Integrate PLCs, RTUs and field instrumentation with SCADA systems using standard industrial protocols (e.g. Modbus, OPC, Ethernet/IP).
• Configure, commission and support telemetry and point‑to‑point communications, including radio, cellular and satellite solutions for remote and unmanned sites.
• Deliver high‑quality HMI configuration and commissioning, ensuring consistency with standards and effective operator interaction.
• Design, configure and support OT network infrastructure (Ethernet, serial, fieldbus), undertaking fault diagnostics using industry‑recognised tools.
• Support SCADA platform and server infrastructure across Windows and Linux environments, including system build, configuration, hardening and lifecycle support.
• Deliver OT projects in line with scope, timescales, budgets and change governance.
• Provide reactive operational support, including fault diagnosis, root cause analysis and follow‑up actions, and take part in a 24 x 7 x 365 standby rota (role‑dependent).
• Apply OT technical standards, cyber‑security controls and health & safety requirements consistently, contributing to continuous improvement and best practice.
• Design, develop and commission PLC software for new assets, and provide expert fault‑finding support to frontline operational teams (role‑dependent).

Essential Experience

• Experience working in operational or industrial technology environments within a medium to large organisation.
• Demonstrable experience across multiple OT disciplines, including:

• SCADA system configuration and support
• PLC diagnostics and code modification
• Telemetry and RTU configuration
• Industrial communications and OT networking

Essential Qualifications

• Minimum 5 GCSEs (or equivalent) including Mathematics, English and a Science subject.
• Relevant industrial control, automation or engineering qualification (ONC/HNC or equivalent).
• Relevant SCADA, PLC or industrial automation training.
• Full UK driving licence.
• Ability to successfully obtain UK Government Security Clearance (SC).

Desirable Qualifications

• Industrial control or automation apprenticeship, or equivalent industry experience.
• Project management qualification (e.g. PRINCE2).
• Degree or equivalent qualification in a relevant discipline.
• Vendor‑specific or specialist training in SCADA, PLCs, telemetry, networking or cyber security.

Benefits

• Competitive Salary – Based on experience and skills
• Annual Bonus Scheme – Recognising company performance
• Pension Scheme – Helping you plan for your future
• Flexible Working Options – We value work‑life balance and offer flexible hours and hybrid working where possible
• Healthcare Benefits – Access to employee assistance programs
• Employee Discounts – On various products and services
• Annual Leave – Take time to recharge with our holiday entitlement

Security Clearance Requirements

This role requires you to be a sole UK national and achieve security clearance without any caveats. It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant undergo, achieve and maintain security clearance prior to commencing employment. Please visit the UKSV website for further guidance United Kingdom Security Vetting - GOV.UK To be eligible for full SC, you generally need to have resided in the UK for the last five years. In some circumstances, a minimum of three years residence in the UK over the last five years may be accepted with additional overseas checks. For further details of the evidence required to apply for baseline and security clearance please refer to the National security vetting agency.

Equality, Diversity and Inclusion

Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.