Are you a specialist in real time systems and operational communications for high‑voltage networks? Do you want to play a key role in designing the SCADA and communications infrastructure that enables safe, reliable operation of substations across the DNO network?
Department: OCU Design
Location: Ruislip
Key Responsibilities
RTS & SCADA Design
- Lead the development of real time systems designs, including SCADA architectures, RTU solutions, substation LANs, and communications topologies.
- Produce and review RTS design deliverables such as system architecture diagrams, communications topologies, LAN layouts, IED integration diagrams, and RTS design specifications.
- Define RTS requirements during early project stages and support feasibility and option selection.
Standards & Compliance
- Ensure all RTS designs comply with DNO policies, RTS standards, cyber and operational requirements, and project specifications.
- Interface with the DNO design authority to achieve timely approvals across all RTS submissions.
- Apply a consistent, auditable approach to design assurance and technical governance.
Communications & OTN Interfaces
- Design and coordinate RTS interfaces with operational telecommunications networks, including fibre, IP‑based communications, and OTN interfaces where applicable.
- Define requirements for data, protection, and control communications, ensuring resilience, redundancy, and operational security.
- Coordinate with telecoms and OT specialists to ensure end‑to‑end connectivity is achieved and documented.
RTUs, Panels & Integration
- Specify and integrate RTUs, control panels, communications equipment, DC supplies, and associated interfaces.
- Define I/O requirements, data mappings, and integration principles to support SCADA monitoring and control.
- Review and support configuration strategies to ensure consistency between design intent and deployed systems.
Multi‑Disciplinary Coordination
- Work collaboratively with primary electrical, protection, civil, and construction teams to deliver fully integrated substation designs.
- Provide RTS input to construction sequencing and commissioning strategies.
- Support technical queries during delivery and resolve RTS‑related design issues.
Construction, Testing & Commissioning Support
- Provide technical support during installation, testing, and commissioning of RTS equipment.
- Review test documentation, commissioning results, and as‑built information for RTS systems.
- Support system integration and handover to ensure RTS operates as intended within the wider network.
Technical Leadership
- Provide mentorship and technical guidance to junior RTS engineers.
- Review third‑party RTS designs and deliverables produced by sub‑consultants.
- Contribute to continuous improvement of RTS design processes, standards, and templates.
Skills, Knowledge & Expertise
- Degree (or equivalent) in Electrical Engineering, Control Systems, Communications, or a related discipline.
- Strong experience delivering RTS / SCADA designs for HV and EHV substations within a DNO or ICP environment.
- Proven background in substation communications, RTUs, SCADA integration, and operational networks.
- Experience working through full project lifecycles, from feasibility and detailed design to commissioning and handover.
- In‑depth understanding of Real Time Systems architectures in electrical substations.
- Strong knowledge of SCADA systems, RTUs, substation LANs, IP networking, and OTN interfaces.
- Ability to interpret and apply DNO RTS and telecommunications standards.
- Clear, confident communicator able to explain technically complex systems to non‑specialists.
- Strong attention to detail in producing and checking RTS drawings, specifications, and documentation.
- Able to work independently while contributing effectively within a multi‑disciplinary team.
- Well‑organised, with the ability to manage multiple projects and priorities in a delivery‑focused environment.
To ensure that everyone has a fair opportunity to join our team, please inform us if you require any reasonable adjustments to our recruitment and interview process by emailing recruitment@ocugroup.com.
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