IIoT Systems Architect

Cadent; Coventry; On-site; GBP 90,000 - 125,000; Full time

Job summary

Cadent Gas Ltd in the United Kingdom is seeking an IIoT Architect to lead the convergence of OT and IT, shaping the target-state architecture for IIoT across the gas distribution network. You will drive edge-to-cloud strategies, secure platforms, and regulatory alignment within Cadent’s transformation programme.

You will influence senior stakeholders, define roadmaps, and mentor architectural teams to enable a safer, smarter energy network aligned with net-zero goals.

Qualifications

• Proven experience in enterprise or domain architecture within industrial environments.
• Deep OT/IIoT knowledge: SCADA, PLCs, RTUs, telemetry data.
• Experience with edge-to-cloud architectures and edge analytics.
• Familiarity with MQTT, OPC UA, Modbus, DNP3 protocols.
• Understanding connectivity tech: LoRaWAN, NB-IoT, 5G.
• Experience aligning architecture with security/regulatory standards.

Skills

Architecture background

IIoT expertise

Edge-to-cloud

Industrial protocols

Connectivity tech

Regulatory knowledge

Job description

Cadent Gas Ltd

Lead the convergence of OT and IT to power a smarter, safer gas network As an IIoT Architect at Cadent, you’ll play a pivotal role in shaping how digital technology transforms the UK’s gas distribution network. Sitting within our Enterprise Architecture and Transformation function, this role is all about defining the target‑state architecture for Industrial Internet of Things (IIoT) and ensuring operational technology (OT) and information technology (IT) work seamlessly together.

This is a strategic, influential position at the heart of our Securing Operations transformation programme. You’ll work with senior leaders across the business to align technology investment, digital transformation and operational priorities, helping Cadent deliver against its net zero ambitions, regulatory obligations and long‑term sustainability goals.

From edge devices in the field through to enterprise and cloud platforms, you’ll shape how data is generated, secured, integrated and exploited across the organisation – enabling a more connected, insight‑driven network.

Why you'll love this role

• Strategic Influence – Shape enterprise‑wide IIoT and OT/IT convergence strategy, advising senior stakeholders on priorities and investments.
• End‑to‑End Architecture Ownership – Define capability models, reference architectures and roadmaps that guide delivery across short, medium and long‑term horizons.
• Modern, Connected Technology Landscape – Lead architectural thinking across edge computing, IIoT platforms, cloud integration and data architecture.
• Security & Resilience at the Core – Embed cyber resilience and regulatory compliance into IIoT design, supporting Critical National Infrastructure requirements.
• Thought Leadership – Influence Cadent’s Industry 4.0 and OT digitalisation journey, evaluating emerging technologies and setting future direction.
• Collaboration & Mentorship – Work closely with enterprise, domain and solution architects, while mentoring teams and building architectural capability.

What you'll bring

• Strong Architecture Background - Proven experience in enterprise or domain architecture roles within complex industrial or operational environments.
• IIoT & OT Expertise - Deep understanding of OT and IIoT systems including SCADA, PLCs, RTUs, telemetry systems and data historians.
• Experience with edge‑to‑cloud architectures, edge computing and edge analytics.
• Technical & Regulatory Knowledge - Knowledge of industrial protocols such as MQTT, OPC UA, Modbus and DNP3.
• Understanding of connectivity technologies including LoRaWAN, NB‑IoT and 5G.
• Experience aligning architecture to NIS regulations, NCSC CAF, IEC 62443 and ISO 27001.
• Data & Integration Focus - Strong grasp of data platform architecture, integration patterns, standardisation and contextualisation.
• Influence & Communication - Ability to translate complex technical concepts into clear, meaningful insight for senior decision‑makers