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Montash

Operational Technology Architect/SME

Remote

Scotland, United kingdom

Freelance

02-03-2026

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Skills

Leadership Go Monitoring Test Architecture

Job Specifications

Job Title: Operational Technology Architect / SME

Location: Remote (ad-hoc travel to client site in Edinburgh)

Contract Duration: 9 months (extensions available)

Industry: Utilities

We are seeking a highly experienced OT Subject Matter Expert to oversee delivery of applications & infrastructure projects across a portfolio of platforms & applications.

Key Responsibilities:

OT Application Performance & Resilience:

Provide SME leadership for performance improvement of business-critical OT applications
Improve monitoring, fault detection, and operational management to minimise service disruption
Develop and maintain a Strategic Asset Management Plan

Technical Authority & Design Governance:

Design Authority for changes to existing landscape
Review, challenge, and approve architectural changes to platinum, gold, and silver applications
Work closely with application vendors, internal IT teams, network providers, and operational stakeholders to design, test, and authorise change

Upgrade Approval & Operational Assurance:

Authorise completion of Operational Acceptance Testing
Approve handover into live operational support
Own and approve key go / no-go decisions for upgrades and releases

SME Leadership & Knowledge Development:

Set technical standards and best practices for the application portfolio
Mentor and develop Engineers
Ensure a robust support and project engineering service

Deep Technical Expertise:

Maintain and develop knowledge across platforms
Engage with external technical forums and contribute to internal documentation, standards, and processes

Major Incident & Fault Analysis:

Lead or support root cause analysis for serious incidents
Act as a senior escalation point, working with service providers
Ensure incident resolution aligns with SLAs and operational priorities

Essential Skills:

Expert in enterprise operational technology
Expert in SCADA & ADMS platform architecture (strong preference for GE Vernova PowerOn)
Expert in ODMS architecture (strong preference for AVEVA PI)

About the Company

Since 2004, The Montash Group have worked to scale leading tech teams across the globe. Offering four unique service areas, the Montash Group are your specialists in niche tech requirements. We operate industry agnostic while supporting organizations of all sizes. Montash's core offering is local sourcing and placing freelance and/or permanent specialists for your tech teams. Operating on a remote-first approach, Remobi augments existing or new tech teams nearshore and our in- house solution teams provide consultation and E2... Know more