Senior OT Cyber Engineer
Sword Group · Aberdeen, Scotland, United Kingdom · On-site
Posted Sep 22, 2026
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Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, driving transformational change within our clients. We use proven technology, specialist teams and domain expertise to build solid technical foundations across platforms, data, and business applications. We have a passion for using technology to solve business problems, working in partnership with our clients to help in achieving their goals.
About the role:
As a Senior OT Engineer, you will play a key role in the delivery of cyber security solutions across complex Operational Technology (OT) environments.
Working as part of a multidisciplinary delivery team, you will be involved across the lifecycle of OT security activities, from understanding existing environments and assessing potential risks through to the design, implementation, testing and assurance of technical security controls.
This is a hands-on technical role suited to someone who understands the operational considerations of securing industrial environments and can work effectively across engineering, cyber security, architecture and operational teams.
Candidates will be required to successfully complete BPSS screening
As a Senior OT Engineer, you will:
Review OT environments, architectures and technical designs from a cyber security perspective
Assess OT networks, connectivity, system interactions and data flows to identify potential security risks
Carry out threat and vulnerability assessments across operational environments
Support the design and implementation of appropriate technical security controls
Configure and test security controls within OT environments
Support firewall, network segmentation, secure configuration and monitoring activities
Review technical solutions and provide security assurance throughout the delivery lifecycle
Produce clear technical documentation, risk assessments and security assurance evidence
Support technical solutions through governance, implementation and transition into operational use
Work closely with engineering, architecture, cyber security and operational teams to resolve technical challenges
Engage with stakeholders to understand requirements and ensure security considerations are incorporated into technical solutions
Contribute to the continuous improvement of OT cyber security practices and ways of working.
Requirements
Practical experience working with OT, ICS, control systems or other industrial technology environments
A good understanding of OT cyber security principles and the challenges associated with securing operational environments
Strong networking knowledge, including network architecture, connectivity, segmentation and data flows
Experience implementing, configuring or assuring technical security controls
Understanding of firewalls, secure configuration and security monitoring within operational environments
Knowledge of common cyber security threats, vulnerabilities and risk…