OT Solutions Architect

Location: Hybrid in Glasgow or Aberdeen, Scotland, United Kingdom

Company

Sword provides business technology solutions for the energy, public, and finance sectors, helping clients build technical foundations across platforms, data, and business applications.

What you will do

• Lead end-to-end solution architecture across multiple OT programmes and projects.
• Translate stakeholder requirements into secure, scalable solutions covering infrastructure, networking, hybrid hosting, security, and IT/OT integration.
• Produce solution designs, architecture diagrams, technical specifications, and documentation for technical and non-technical audiences.
• Lead technical design reviews, provide architectural guidance during delivery, and resolve implementation challenges with engineering, infrastructure, and cyber security teams.
• Evaluate technologies, platforms, and suppliers; define procurement requirements and assess supplier proposals.
• Contribute to architecture governance, technical standards, solution patterns, and long-term OT capability across the IACS practice.

Requirements

• Proven experience delivering solution architecture across OT, ICS, or industrial environments.
• Strong understanding of Operational Technology, including SCADA, control systems, industrial networking, and remote operational environments.
• Experience designing secure, resilient, and scalable OT solutions across multiple technology domains.
• Strong knowledge of networking, infrastructure, virtualisation, and real-time systems.
• Practical understanding of IT/OT convergence and hybrid architectures.
• Experience with cloud platforms such as Azure or AWS.
• Ability to operate at both strategic and detailed technical design levels.
• Experience producing architecture documentation, technical specifications, and design artefacts.
• Strong stakeholder engagement and communication skills, including engagement with business stakeholders, technical specialists, and delivery teams.
• Experience working across both Agile and Waterfall delivery environments.

Nice to have

• Experience in energy, utilities, renewables, oil and gas, or other critical infrastructure sectors.
• Knowledge of security technologies including Identity and Access Management, remote access solutions, SIEM, software-defined networking, or data integration platforms.
• Awareness of IEC 62443, the NCSC Cyber Assessment Framework, NIS/NIS2, and related frameworks.
• Experience with architecture modelling tools such as Bizzdesign or similar.
• TOGAF or an equivalent architecture methodology.
• Consultancy experience in multi-client delivery environments.

Culture & Benefits

• Personalised career development plans and learning opportunities.
• Flexible working arrangements supporting work-life balance.
• Generous annual leave and enhanced family-friendly benefits.
• Pension scheme and access to private health, wellbeing, and insurance schemes.
• Inclusive workplace with equal-opportunity employment practices.