Architecture Lead - IT/OT

Arm; Glasgow; Hybrid; GBP 129,000 - 203,000; Full time

Job summary

Arm is seeking an Architecture Lead - IT/OT for a 6-month contract, based in Glasgow or Aberdeen with 1-2 days onsite. You will lead the Transmission Architecture function, directing the architecture team, setting priorities, and aligning delivery with business goals.

You will provide enterprise architecture across Transmission, shape roadmaps, govern major initiatives, and ensure IT/OT alignment with Group strategy while addressing risk and operational considerations.

Qualifications

• Extensive senior-level Enterprise Architecture experience.
• Proven ability to move between enterprise and solution-level concerns.
• Demonstrated leadership of an architecture function or community.
• Experience in OT environments and IT/OT boundary considerations.
• Strong governance, standards and roadmapping capabilities.

Responsibilities

• Act as interim leader of the Transmission Architecture function, providing day-to-day direction and prioritisation.
• Shape and maintain architectural strategies, principles, target architectures and roadmaps for Transmission.
• Lead architectural assurance for major projects and supplier-led delivery with guardrails.

Skills

Senior Enterprise Architecture

Solution Architecture

Leadership

IT/OT coordination

Stakeholder management

Architecture governance

OT environments

Job description

Architecture Lead - IT/OT

6-Month contract - Inside IR35 - market rate

Glasgow or Aberdeen based - 1-2 days onsite

Electricity/Energy sector

Key Responsibilities

Interim Architecture Leadership

• Act as the effective interim leader of the Transmission Architecture function, providing leadership broadly equivalent to that expected of the permanent Head of Architecture.
• Provide day-to-day direction, prioritisation and coordination for the architecture team.
• Establish clear priorities and ensure the team's effort is focused on the most important business, technology and delivery outcomes.

Enterprise Architecture

• Provide heavyweight Enterprise Architecture leadership across the Transmission organisation.
• Shape and maintain architectural strategies, principles, target architectures and roadmaps.
• Ensure architecture is aligned with wider Group technology and architecture strategy.

Architecture Assurance & Governance

• Lead the architectural assurance of major projects, programmes, technology initiatives and supplier-led delivery.
• Establish appropriate architectural guardrails and ensure they are understood and applied.
• Review and challenge Solution Architecture produced by project teams, suppliers and other delivery organisations.

IT & OT Architecture

• Provide senior architectural leadership across both IT and Operational Technology environments.
• Participate in high-level technology and project discussions across Transmission.
• Understand and account for the specific operational, technical, resilience and risk considerations associated with OT environments.
• Help ensure appropriate architectural alignment across the IT/OT boundary.

Project & Solution Architecture

• Provide senior oversight of Solution Architecture across projects and programmes.
• Work with project teams to shape and assure solutions without becoming primarily responsible for project delivery.

Experience & Skills

Essential

• Extensive experience operating at senior Enterprise Architecture level.
• Strong Solution Architecture experience and the ability to move comfortably between enterprise and solution-level concerns.
• Proven experience leading an architecture team, function or significant architecture community.
• Significant experience working in Operational Technology (OT) environments.
• Experience working across the IT/OT boundary.
• Previous people leadership, team management or equivalent leadership experience.
• Broad technical knowledge across areas such as applications, data, integration, infrastructure, platforms and technology.
• Strong experience of architecture governance, assurance, standards, principles and target architectures.
• Experience working across large, complex transformation and technology portfolios.
• Experience working with senior business, technology and delivery stakeholders.
• Strong communication, influencing and stakeholder management skills.
• Experience working in an asset-intensive organisation or environment.

Highly Desirable

• Direct experience within the electricity industry, particularly transmission, distribution or generation.
• Wider energy or utilities sector experience.
• Experience within large-scale infrastructure or capital investment organisations.
• Experience providing architectural leadership across major transformation programmes.
• Experience working with architecture repositories and modelling tools, particularly Bizzdesign.
• Experience working within a federated architecture model alongside a Group or enterprise architecture function.
• Experience establishing or developing an architecture function within a complex organisation.