Tria

OT Architect (Operational Technology Architect) Contract 750 per day Inside IR35 London 3 Days Onsite per Week An experienced OT Architect is required for a leading organisation embarking on a large-scale Operational Technology and industrial network transformation programme. This is an excellent opportunity for an experienced OT Architect to play a key role in designing and securing critical operational environments across manufacturing, utilities, transport, energy, or other industrial sectors. Working closely with engineering, infrastructure, cyber security, and operational teams, you will define and deliver OT architecture strategies, standards, and roadmaps while ensuring alignment with both business and regulatory requirements. Essential Experience Proven experience as an OT Architect, ICS Architect, Industrial Network Architect, or similar role. Strong knowledge of Operational Technology (OT), Industrial Control Systems (ICS), and SCADA environments. Experience designing secure industrial networks and segmented architectures. Strong understanding of: SCADA PLCs DCS environments Industrial Ethernet Network segmentation Firewalls Remote access solutions Zero Trust principles Knowledge of industrial protocols such as: Modbus DNP3 OPC-UA Profinet EtherNet/IP Experience with OT cyber security frameworks and standards including: IEC 62443 NIST NIS2 ISO 27001 Experience working within highly regulated environments. Desirable Skills Cloud connectivity within OT environments (Azure or AWS). Industrial IoT (IIoT) technologies. Experience with OT monitoring and threat detection platforms. Relevant certifications such as: GICSP CISSP TOGAF ISA/IEC 62443 certifications Azure Security certifications IR35 Status: Inside IR35 If you are an experienced OT Architect with a strong background in industrial networks, cyber security, and critical infrastructure environments, we'd be keen to hear from you

Contracts Manager: Location: Thame, Oxfordshire Job type: Full-time, permanent You'll be the commercial and operational lead on your contracts, balancing client relationships, site oversight and tender work. That means overseeing delivery of live projects, developing new opportunities with key accounts, and shaping accurate scopes, programmes and pricing. The balance between site and office shifts with the demands of the workload. The role You'll take projects from first site visit through to pricing, programme and delivery, split between site and office. Manage key accounts and act as the main point of contact You will be pricing and offering advice so somoene with an Arb background would be a bonus Carry out site visits to assess access, ground conditions, trees, services and safety risks Understand client requirements and draft scopes of work and tenders Estimate project duration, plant and manpower needs Oversee live contracts to keep them safe, on programme and on budget About you Proven experience in contracts management or estimating in groundworks, civils, landscaping or arboriculture Strong pricing skills and attention to detail Confident dealing with clients Good knowledge of construction health and safety Full UK driving licence Contracts Manager: Groundworks & Tree Services Location: Thame, Oxfordshire Job type: Full-time, permanent