OT Cyber Security Architect

prosource.it; Perth; Hybrid; GBP 65,000 - 110,000; Part time

Benefits offered by this job

Competitive salary

Job summary

prosource.it is recruiting two experienced OT Cyber Security Architects to design and deliver a major OT cyber security programme in regulated environments. Hybrid UK locations include Glasgow, Perth, Aberdeen or Inverness, with flexible contract or permanent options.

You will shape target-state architectures, produce HLDs/LLDs, provide governance, and collaborate with vendors and internal teams across project lifecycles from planning to BAU transition.

Qualifications

• Experience leading architecture and delivery activities in regulated environments.
• Proven ability to develop target-state architectures and solution designs.
• Strong governance, design review and assurance skills.

Responsibilities

• Develop target-state architectures and solution designs.
• Produce High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Provide solution architecture leadership and technical assurance.
• Design security, network and infrastructure architectures.
• Engage with technology vendors and third-party partners.
• Participate in Technical Design Authority (TDA) and governance forums.
• Support implementation, integration and validation activities.
• Contribute to test planning and architectural assurance.
• Support operational readiness and transition into BAU.

Skills

OT Architecture

Security Architecture

Infrastructure Architecture

HLD & LLD

Governance & Assurance

Stakeholder Management

Vendor Engagement

Tools

VMware

Hyper-V

Windows Server

SCADA

Check Point

Cisco

Job description

2841 – OT Cyber Security Architects / Solution Architects (x2)

Join a people-centred technology team that thrives on innovation, collaboration and delivering meaningful outcomes. We’re seeking two experienced Architects to support the design, delivery and implementation of a major Operational Technology (OT) Cyber Security Programme. Working across multiple workstreams, you will help shape architecture strategy, produce technical designs and provide governance and assurance throughout the project lifecycle, from early-stage planning through to operational readiness and service transition.

This is an excellent opportunity for experienced Solution, Infrastructure, Security or OT Architects looking to contribute to a business-critical cyber and technology transformation programme within a complex, highly regulated environment.

Location: Glasgow, Perth, Aberdeen or Inverness (Hybrid working 50%)

Contract Type: Contract or Permanent considered

What you’ll do

You will be involved in a broad range of architecture and delivery activities, including:

• Supporting project definition, planning and business case development
• Developing target-state architectures and solution designs
• Producing High-Level Designs (HLDs) and Low-Level Designs (LLDs)
• Providing solution architecture leadership and technical assurance
• Designing and reviewing security, network and infrastructure architectures
• Engaging with technology vendors and third-party partners
• Participating in Technical Design Authority (TDA) and governance forums
• Supporting implementation, integration and technical validation activities
• Contributing to test planning, architectural assurance and design reviews
• Supporting operational readiness and transition into BAU support
• Managing stakeholders across business, technology and supplier teams
• Supporting project closure and handover activities

What to bring

We are particularly interested in candidates with experience in one or more of the following areas:

• Infrastructure Architecture, particularly within on-premises environments
• Operational Technology (OT) Architecture
• OT Cyber Security Architecture and secure network segmentation within industrial environments
• Security controls, cyber security frameworks and compliance requirements within regulated environments
• Technical governance, architecture assurance and design review processes
• Experience producing and reviewing HLDs and LLDs
• Experience working within utilities, energy, manufacturing, industrial or other critical infrastructure environments
• Broad technical knowledge with the ability to quickly understand complex technology landscapes
• Eligibility for, or current, BS7858 security vetting

The following experience would be advantageous:

• SC Security Clearance
• VMware and/or Hyper-V
• Windows Server and Active Directory
• Microsoft management technologies including SCCM and SCOM
• Linux platforms and administration
• SCADA and industrial control systems
• CyberArk
• HPE infrastructure technologies, including servers, storage and networking
• Cisco networking technologies
• Check Point firewall technologies

About You

You are a collaborative and experienced Architect with strong technical expertise and stakeholder management skills. You are comfortable operating across strategy, design, governance and delivery activities, and have experience working within complex environments where security, resilience and operational continuity are fundamental.

If you're looking to support a high-profile OT Cyber Security programme and have experience in critical infrastructure, operational technology or regulated environments, we'd love to hear from you.

Why prosource.it?

Technology is constantly evolving, and so are we.

Since our beginnings as a managed IT services provider, prosource.it has grown alongside the organisations we support, adapting to changing technologies and business needs. Today, we deliver a broad range of technology and business services that help clients plan, implement and embrace change successfully.

While technology is at the heart of what we do, we know that delivering lasting value takes more than technical expertise alone. By combining innovative thinking with practical experience and strong client partnerships, we help organisations realise the full potential of their technology investments. From adopting emerging technologies and delivering complex transformation programmes to improving day-to-day operations, we focus on achieving outcomes that make a measurable difference. As technology continues to evolve, we're committed to staying at the forefront of change, helping our clients embrace new opportunities and shape what's next.

We've built our reputation on being knowledgeable, approachable and easy to work with. Our people bring a wealth of skills and experience, united by a shared commitment to doing the right thing for our customers. With a culture built on teamwork, accountability and trust, our people are empowered to work in a way that makes a meaningful impact.

If you're looking for a role where you can make a difference, develop professionally and be part of a team that's helping organisations navigate an ever-changing technology landscape, we'd love to hear from you.

What You’ll Get in Return

Our people are central to our success, and we're committed to creating an environment where they can thrive. As a business with a broad and varied client base, we can offer opportunities to gain experience across multiple industries, take on new challenges and continue developing your skills. Whether you're looking to deepen your expertise or broaden your experience, we'll support you in building a rewarding career.

We're also committed to helping our people continue to learn and progress. For those pursuing professional qualifications, we'll fund approved self-study materials and exam fees, and reward successful exam passes with an incentive bonus.

• Competitive salary
• Company Pension Scheme
• Private Medical and Dental Insurance
• Group Income Protection
• Group Life Assurance
• Salary sacrifice schemes for both Cycle to Work and Electric Vehicles

prosource.it. Building careers, not just jobs.

We’re committed to creating an inclusive and accessible recruitment process. If you have any access needs or require adjustments at any stage of the application or assessment process, please let us know — we’re happy to support you.

All offers of employment will be subject to background checks and confirmation of the right to work in the UK.

Due to the high volume of applications we receive, we are unable to respond to every applicant individually. If you have not heard from us within 4 weeks of submitting your application, please assume that your application has not been successful on this occasion. We thank you for your interest in prosource.it and encourage you to apply for future opportunities that match your skills and experience.