OT Telemetry Specialist

OT Telemetry Specialist - 6 Month Contract - Inside IR35 - Hybrid in Warwick

Contract Type: Initial 6 month contract (Inside IR35)

Rate: £550 per day Inside IR35

Location: Hybrid in Warrington

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Role Overview:

We are looking for an OT & Telemetry Specialist to join on a 6-month hybrid contract based in Warrington, UK (2-3 days on-site). The role serves as the programme's primary technical authority on outstation communications, telemetry systems, and SCADA integration, leading estate assessment and feasibility workstreams across an active operational technology environment in the utilities sector.

Key Responsibilities:

• Act as technical authority for OT telemetry communications and SCADA integration, leading desktop-based assessment to produce a verified OT & Telemetry Asset Register using asset, GIS, and SCADA data
• Map end-to-end telemetry communication paths including primary, secondary, and fallback routes, and classify sites by operational and regulatory criticality
• Scope and assess Proteus to WITS Modern migration complexity, evaluating replacement telemetry bearer options against SCADA, latency, and protocol requirements
• Lead Ofcom UHF spectrum and licence compliance assessment, engaging with SCADA engineers and field technicians to capture undocumented operational knowledge
• Lead and support lab and live-site proof of concepts, validating SCADA integration, data integrity, and failover, and input into target architecture and migration sequencing

What You Will Ideally Bring:

• 5+ years hands-on OT telemetry experience in regulated utilities or critical national infrastructure environments, with strong operational knowledge of utility SCADA platforms and historian data flows xwzovoh
• Proven expertise in RTU commissioning, configuration, and fault diagnosis, with deep knowledge of telemetry protocols - WITS Modern, Proteus, DNP3, IEC 6 /104, and Modbus TCP/RTU
• Practical understanding of Legacy UHF radio telemetry systems and the risks and complexities associated with migration programmes
• Solid knowledge of Ofcom radio licensing within the UK water sector, with experience in spectrum management and licence transition planning
• Familiarity with IEC 62443 and NCSC CAF applied to telemetry systems, and experience supporting parallel-run migrations with zero service disruption