OT Enterprise Solutions Engineer

Vallum Associates; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Vallum Associates in London seeks an OT Enterprise Solutions Engineer to own the future-state OT architecture and drive end-to-end delivery.

You will translate complex requirements into architecture decisions and collaborate across OT, IT, security, and real estate services to ensure availability, safety and resilience while aligning with strategic goals.

Qualifications

• Experience leading enterprise OT architecture initiatives.
• Strong collaboration across OT, IT, security and real estate services.
• Hands-on delivery capability translating complex requirements into designs.

Responsibilities

• Own the OT architecture vision and future-state alignment.
• Define cross-domain operational and security requirements for OT.
• Translate complex stakeholder needs into architecture decisions and patterns.
• Ensure deliverables meet availability, safety, resilience and governance requirements.

Skills

OT architecture leadership

Stakeholder management

Cross-domain collaboration

Technical writing

Job description

Role Purpose :

The OT Enterprise Solutions Engineer will own the consolidation, development, articulation and ongoing evolution of the organisation’s future-state Operational Technology architecture.

The role will act as the lead OT architecture subject-matter expert, working within the existing established architecture governance and Technical Design Authority processes. It will bring together requirements and expertise from security, network, infrastructure, real estate services, engineering, technology operations and other relevant domains into a coherent, practical and deliverable enterprise architecture.

This is a hands-on delivery role. The successful candidate will be expected to rapidly translate complex requirements, competing stakeholder perspectives and industry standards into clearly documented architecture decisions, principles, patterns and designs. The individual will be the named accountable architecture lead for the OT domain. Other architecture and engineering disciplines will provide specialist input, but this role will retain end-to-end ownership for ensuring that the overall OT architecture is complete, integrated, realistic and aligned to our strategic and operational requirements.

The role will be supported by a Programme Delivery Lead who will coordinate planning, governance, milestones and dependencies. The Enterprise Solutions Engineer will remain accountable for the quality, completeness and delivery of the architecture outputs.

In this role, you will:

Enterprise OT Architecture Ownership

• Partner with Real Estate Services on the enterprise OT architecture vision, strategy and future-state architecture.
• Establish a common architectural direction across OT, IT and cyber-physical environments.
• Define how OT systems, networks, platforms, applications, devices, data and supporting services should operate together.
• Ensure that architectural decisions consider operational availability, safety, resilience, security, maintainability and business requirements.
• Act as the primary architecture authority for OT-related initiatives, designs and technology decisions.
• Ensure that local, regional or domain-specific solutions align with the agreed enterprise direction while recognising legitimate operational differences.