Enterprise Platform Architect

About the Role

National Energy System Operator (NESO) is transforming its digital, data and technology landscape to support the delivery of a secure, resilient and net‑zero energy system.

This role is a Senior Manager – Enterprise Business Platforms Architect responsible for leading the strategic architecture, governance and evolution of NESO’s core business platform estate.

The incumbent will own the architecture and technology strategy for enterprise platforms including Salesforce, Microsoft Azure business services, Service Now, customer platforms, workflow automation services, digital engagement platforms and associated business applications.

The role can be based from Warwick or Wokingham and offers hybrid working. Travel to other offices will be required as necessary for stakeholder engagement.

This role is designated as requiring a National Security Vetting (NSV) clearance (SC).

Applicants must be UK residents for the last five years or be willing to meet any residency requirements.

Applicants must have the right to work in the UK by the start of employment.

Visa sponsorship may not be available for this role and will be considered in line with business requirements.

• Key Accountabilities
• Define and maintain the architecture vision, strategy and target state for NESO’s business platform ecosystem.
• Develop platform roadmaps covering Salesforce, Service Now, Microsoft platform services, customer engagement platforms and future strategic capabilities.
• Ensure business platforms support NESO’s strategic, operational, regulatory and customer outcomes.
• Drive platform rationalisation, simplification and technical debt reduction.
• Act as Design Authority for business platform architecture.
• Establish reference architectures, standards, principles and reusable patterns.
• Ensure architectural consistency across customer, corporate and operational platforms.
• Define integration, automation, identity, security and data architecture patterns across the platform estate.
• Define and maintain platform standards, patterns and reference architectures.
• Provide architecture assurance through NESO governance forums.
• Identify and manage cross‑platform risks, dependencies and technical debt.
• Lead architecture for major transformation initiatives impacting enterprise business platforms.
• Drive adoption of cloud‑native capabilities, automation, AI‑enabled services and modern platform engineering practices.
• Identify opportunities to improve business processes through platform capabilities.
• Support procurement, vendor selection and technology investment decisions.
• Ensure platform vendors align with NESO architecture principles and target outcomes.
• Negotiate architectural requirements and future platform direction with suppliers.
• Lead, coach and develop a team of architects and technical specialists.
• Lead and manage Platform Architecture capability, including line management, work allocation and professional development.
• Foster an architecture community of practice focused on reuse, standardisation and innovation.
• Mentor and support architects across Strategy and Architecture to improve architectural consistency and maturity.

About You

Essential

• Significant experience in Enterprise Architecture, Platform Architecture or Digital Transformation leadership roles.
• Proven leadership of enterprise‑scale platforms including Salesforce, Microsoft Azure and Service Now ecosystems.
• Experience defining target‑state architectures, platform strategies and technology roadmaps.
• Strong understanding of enterprise integration, API management, identity, security and data management disciplines.
• Experience leading complex transformation programmes and modernization initiatives whilst striking pragmatic balance between strategic thinking and delivery priorities.
• Experience operating within multi‑supplier and managed service environments.
• Strong stakeholder management and influencing skills at executive level.
• Experience managing and developing architecture teams.

Desirable

• Experience within Critical National Infrastructure (CNI) or highly regulated environments.
• Knowledge of energy industry technologies and operating models.
• Experience with AI‑enabled platform services and automation technologies.
• Understanding of product‑based operating models and platform engineering practices.
• What You’ll Get

Competitive salary of £90,000 - £100,000 (circum, possible flex) dependent on experience and capability.

Benefits allowance, a bonus of up to 20% of your salary for stretch performance, private medical insurance, 28 days annual leave as standard and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%.

• Flexible Bank Holidays & Holiday Trading
• Additional Birthday Day Off
• Cycle to Work Scheme, Retail & Gym Discounts
• Private Medical Insurance, Critical Illness Insurance & Personal Accident Insurance

Benefits & Culture

NESO’s flexible benefits programme provides you with more flexibility around your health, lifestyle and protection benefits.

NESO is committed to building a workforce that represents the communities we serve and creating an inclusive working environment where each individual feels valued, respected, fairly treated and able to reach their full potential.

#J-18808-Ljbffr