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OT Solutions Architect
OT Solutions Architect
at Sword
We are a leading provider of business technology solutions for the Energy, Public and Finance Sectors, driving transformational change for our clients. By combining proven technology, specialist expertise and deep domain knowledge, we help build strong technical foundations for platforms, data and business applications. Our mission is to solve business problems through technology while working in close partnership with clients to achieve their goals.
About The Role
As an OT Solutions Architect, you will play a critical role in designing and delivering secure, scalable Operational Technology (OT) solutions for some of the UK’s most significant critical national infrastructure programmes.
Based within our Industrial Automation & Control Systems practice, you’ll collaborate with engineering, cybersecurity and client teams to define end-to-end solutions across security, infrastructure, networking, hybrid hosting and IT/OT convergence.
Senior, client-facing responsibilities include:
- Working across multiple programmes
- Engaging with business stakeholders, technical specialists and delivery teams
- Translating operational requirements into technical solutions
- Balancing strategic architecture with practical delivery
- Ensuring solutions are secure, resilient and enterprise-aligned, while meeting operational demands of live environments.
Key Responsibilities
- Lead end-to-end OT solution architecture across complex programmes and projects.
- Partner with business teams to Understand needs and Translate into technical designs.
- Design secure architectures covering:
- Institutional infrastructure
- Networking frameworks
- Hybrid hosting
- IT/OT integration
- Produce high-quality architecture diagrams, design documentation and technical briefs (for both technical and non-technical audiences).
- Align solutions with enterprise standards and regulatory requirements (e.g., operational resilience).
- Chair technical design reviews, providing architectural guidance to delivery teams.
- Evaluate technologies/platforms and assess supplier capabilities to support programme objectives.
- Support procurement activities by defining technical requirements and reviewing supplier proposals.
- Collaborate with engineering and cybersecurity teams to resolve design and implementation challenges.
- Contribute to architecture governance, industry standards and Sword’s solution patterns.
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Your Profile & Experience
Essential Requirements
- Proven experience in OT/IACS solution architecture (e.g., SCADA, control systems, industrial networking).
- In-depth knowledge of Operational Technology, including:
- SCADA
- Industrial automation
- Distributed control systems
- Remote operational environments
- Experience designing and delivering secure, scalable, resilient OT architectures.
- Hands-on understanding of:
- Networking (real-time systems, redundancy)
- Infrastructure (virtualisation, cloud support)
- Converged models (IT/OT integration)
- Familiarity with cloud environments (e.g., Azure, AWS).
- Ability to work across both high-level wargaming and granular technical specifications.
- Strong communication skills for:
- Stakeholder engagement
- Clarifying complex concepts
- Producing accessible designs for non-technical audiences.
Desirable (but not essential)
- Technical experience in energy, utilities, renewables, oil & gas or similar critical infrastructure sectors.
- Knowledge of security technologies:
- Identity & Access Management (IAM)
- SIEM
- Remote access solutions
- Awareness of frameworks such as:
- IEC 62443
- NCSC Cyber Assessment Framework
- NIS/NIS2 Regulations
- Experience with architecture modelling tools (Bizzdesign, Archi).
- TOGAF certification or equivalent methodology understanding.
- Consultancy experience including agile and waterfall delivery methodologies.
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Benefits Package
We’re committed to creating a supportive environment where your career aspirations and personal well-being are prioritised.
Professional Growth
- Personalised development plans, tailored to your strengths and aspirations
- A diverse range of training and mentorship opportunities
Work-Life Flexibility
- Discuss flexible work arrangements to support your individual needs (where practical), fostering a sustainable balance between professional and personal life.
Comprehensive Benefits
- Generous annual leave (varying by role, exceeding statutory requirements)
- Enhanced family support policies (including maternity/paternity options)
- A competitive contributed pension scheme
- Private health insurance, wellness programmes and mental health support
- Relocation assistance (if applicable)
Company Culture
- Equal opportunities commitment: We are an employer that ensures fair assessment regardless of gaps in requirements. Transferable skills and personal motivation count just as much as a perfect match for listed competencies.
- Diversity & inclusivity: We champion a workplace environment that values all individuals, celebrating:
- Age
- Disability or neurodiversity
- Gender identity or reassignment
- Marital/civil partnerships
- Pregnancy/maternity status
- Race, ethnicity or religion
- Sexual orientation
A trusted perspective or diverse experience can make a real difference in OT solutions – we’re invested in people who bring passion, creativity and forward-thinking expertise.
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