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Operational Technology OT Architect​/SME

Remote / Online - Candidates ideally in
Edinburgh, City of Edinburgh Area, EH120, Scotland, UK
Listing for: Hays Specialist Recruitment Limited
Contract, Remote/Work from Home position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below

Hiring:
Operational Technology (OT) Engineers / Architects / SMEs

Location:

Edinburgh - Home based with occasional office days Duration:
Initial 9 months (part of a 2-5 year programme) Contract Type:
Inside IR35 (FTE or Umbrella Company only - no PSC) Your new roleWe are seeking experienced Operational Technology (OT) Engineers, Architects, and Subject Matter Experts (SMEs) to play a pivotal role in enhancing and safeguarding business-critical operational applications.

This is a high-impact opportunity to work across Platinum, Gold, and Silver level OT Applications in collaboration with SSE IT, Neos Networks, and key suppliers.What you'll need to succeed

  • OT Application Performance Improvement
  • Drive continual performance enhancement of operational applications.
  • Develop a Strategic Asset Management Plan for OT applications and infrastructure.
  • Design Authority for OT Infrastructure
  • Authorise and oversee developments in OT infrastructure.
  • Collaborate with suppliers and stakeholders to test and approve architectural changes.
  • Operational Application Upgrades
  • Lead Operational Acceptance Testing and approve handover into support.
  • Make critical go/no-go decisions for upgrades.
  • Team Development
  • Mentor and upskill RTS Technical Engineers to deliver robust support and project services.
  • Technical Expertise
  • Maintain and set standards for OT applications such as Power On, PI, and ODMS.
  • Contribute to technical forums, documentation, and standards development.
  • Fault Analysis
  • Investigate and resolve complex operational application issues.
  • Ensure SLA compliance with internal and external service providers.

Skills & ExperienceWe're looking for professionals with hands-on expertise in:

  • GE Vernova Power On - highly desirable / essential
  • ADMS systems
  • SCADA (Supervisory Control and Data Acquisition)
  • AVEVA PI
  • ODMS (Operational Data Management Systems)

What you'll get in return

  • Work on mission-critical OT systems that directly impact customer service.
  • Influence and authorise strategic infrastructure developments.
  • Be part of a long-term programme (2-5 years) with opportunities for growth.
  • Collaborate with leading energy and network organisations
  • Flexible working options available.

What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

If this job isn't quite right for you but you are looking for a new position, please contact us for a confidential discussion on your career.

Hays Talent Solutions is a trading division of Hays Specialist Recruitment Limited and acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at

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