Senior Enterprise Architect – IT/OT

Advanced Resource Managers Ltd; Aberdeen City; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Advanced Resource Managers Ltd is seeking a Senior Enterprise Architect for IT/OT to lead architecture across the Transmission portfolio in a regulated electricity/energy context. The role is a 6-month contract Inside IR35, based in Glasgow or Aberdeen with 1-2 days onsite, requiring senior governance and cross-domain architecture expertise to shape strategies, roadmaps and key artefacts.

You will work with the Architecture Lead, provide assurance on major projects, review third-party designs,

Qualifications

• Extensive senior-level Enterprise Architecture experience.
• Experience with IT/OT architecture.
• Experience providing architecture assurance and governance across large-scale programmes and projects.
• Ability to challenge senior stakeholders and suppliers with credible architectural input.
• Experience working in asset-intensive environments.
• Experience collaborating with business, technology and delivery stakeholders.

Responsibilities

• Provide senior Enterprise Architecture expertise across the Transmission portfolio.
• Collaborate with Architecture Lead to develop and maintain architectural direction.
• Develop strategies, target architectures, roadmaps, capability models and other artefacts.
• Provide architectural assurance across major projects, programmes and BAU initiatives.
• Review solution architecture produced by project teams and third-party suppliers.
• Ensure proposed solutions comply with architectural principles, standards, patterns and guardrails.
• Engage with project/programme teams to understand business requirements and implications.
• Provide senior architectural guidance on complex or strategic initiatives.
• Provide input across IT and OT environments and ensure IT/OT alignment.
• Align architecture activity with Group processes, standards and governance.

Skills

Enterprise Architecture

Solution Architecture

IT/OT Architecture

OT Knowledge

Governance

Stakeholder Engagement

Asset-intensive Environment

Independent Working

Job description

Senior Enterprise Architect - IT/OT

6-Month contract - Inside IR35 - market rate

Glasgow or Aberdeen based - 1-2 days onsite

Electricity/Energy sector

Key Responsibilities

• Provide senior Enterprise Architecture expertise across the Transmission portfolio.
• Work closely with the Architecture Lead to develop and maintain the architectural direction for the function.
• Contribute to the development of strategies, target architectures, roadmaps, capability models and other key architecture artefacts.

Architecture Assurance

• Provide architectural assurance across major projects, programmes and BAU initiatives.
• Review and challenge Solution Architecture produced by project teams, delivery organisations and third-party suppliers.
• Ensure proposed solutions comply with agreed architectural principles, standards, patterns and guardrails.

Project & Programme Engagement

• Work directly with project and programme teams to understand business requirements and architectural implications.
• Provide senior architectural guidance on complex or strategically important initiatives.

IT & OT

• Provide architectural input across both IT and Operational Technology (OT) environments.
• Understand the particular architectural, operational and risk considerations associated with OT environments.
• Work across the IT/OT boundary to ensure appropriate integration and alignment.

Architecture Governance & Alignment

• Work closely with Group Architecture to ensure Transmission architecture activity aligns with Group processes, standards and governance mechanisms.
• Support the consistent application of architecture processes and standards across projects and programmes.

Solution Architecture

While the primary focus of the role is Enterprise Architecture and assurance, the successful candidate will also:

• Apply substantial Solution Architecture experience when reviewing and shaping complex solutions.
• Provide hands‑on architectural input where required for complex BAU or operational requirements.
• Support the Architecture Lead and wider team on particularly complex or strategically significant solution decisions.
• Act as a senior technical and architectural sounding board for other architects.

Experience & Skills

Essential

• Extensive senior-level Enterprise Architecture experience.
• Significant previous experience in Solution Architecture.
• Experience with Operational Technology (OT) and IT/OT architecture.
• A strong technical breadth and understanding of modern technology landscapes.
• Experience providing architecture assurance and governance across large-scale programmes and projects.
• Experience working with senior business, technology and delivery stakeholders.
• Strong understanding of architectural principles, standards, patterns, roadmaps, capability models and governance.
• Experience working in complex, large-scale organisations.
• Experience working in an asset-intensive environment.
• Ability to operate independently and provide credible architectural challenge to senior stakeholders and suppliers.

Highly Desirable

• Experience within the electricity industry, particularly transmission, distribution or generation.
• Wider energy or utilities sector experience.
• Experience working in other large-scale asset-based organisations.
• Experience working from an architecture function within major capital delivery programmes.
• Understanding of large infrastructure or asset investment environments.
• Experience working across domains such as capital projects, asset management, operations or customer.
• Experience with Bizzdesign or comparable Enterprise Architecture repositories.
• Experience working within a federated architecture model alongside a Group or enterprise architecture function.