World Wide Technology
OT Architect
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World Wide Technology Holding (WWT) OT Architect Opportunity
World Wide Technology Holding (WWT) has an opportunity for an OT Architect to shape and own the future-state Operational Technology architecture for a large financial organisation.
About the Role
Acting as the lead architecture authority for the OT domain, you'll turn competing requirements from security, networking, engineering, real estate and operations into a single, coherent architecture direction working hands-on through design, governance, and into delivery, not just producing theory on a page.
Key Responsibilities
- Produce current-state, future-state, and transition architecture documentation.
- Set boundaries and integration points across IT, OT, and cyber-physical systems.
- Define and own the enterprise-wide OT architecture direction and roadmap.
- Embed IEC 62443 principles into reference patterns and design decisions.
- Chair and contribute to architecture governance and design authority forums.
- Reconcile conflicting stakeholder requirements into a single coherent design.
- Track architecture risks, dependencies, and decisions through to resolution.
- Stay involved from concept through implementation and service transition.
- Assess vendor and supplier proposals against the agreed architecture.
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What We're Looking For
Essential:
- Strong architectural expertise across OT and ICS environments, with a proven track record supporting complex industrial or critical infrastructure estates.
- Track record as lead architect or technical design authority for OT programmes.
- Strong grasp of IT/OT convergence and integration risk.
- Expert knowledge of IEC 62443, including zone/conduit modelling.
- Working knowledge of industrial protocols (Modbus, DNP3, OPC-UA, Profinet).
- Experience setting reference architectures and standards at scale.
- Ability to translate risk assessments into architectural mitigations.
- Experience governing integrators, OEMs, and engineering partners.
Desirable:
- Experience in large, regulated, or systemically important organisations.
- Knowledge of BMS, access control, CCTV, or fire/life-safety systems.
- Familiarity with OT asset visibility or security monitoring platforms.
- Knowledge of TOGAF, SABSA, or similar frameworks.
- Awareness of NIST CSF, NIST SP 800-82, ISO 27001, or NIS2.
- Relevant architecture, security, or IEC 62443 qualifications.
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Contract Details
- Role: OT Architect
- Contract Type: Contract Role & Inside IR35
- Contract Duration: 6 months
- Location: Hybrid, 2 days onsite per week (London, Birmingham or Sheffield)
Note
Candidates will be required to go through background checks before commencing contract. Must be eligible to live and work in the specified work location. Only successful candidates will be contacted.
Equal Opportunities
World Wide Technology is committed to equal opportunities and actively seeks applications from all sectors of the community irrespective of sex, race, color, nationality, ethnic or national origin, disability, marital status, sexual orientation, having responsibility for dependents, age, religion/beliefs, or any other reason which cannot be shown to be justified.
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