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# Operational Technology Cybersecurity Engineer

- **Company:** SIEMENS ENERGY LIMITED
- **Location:** North Hykeham, UK (Remote available)
- **Experience:** Expert
- **Salary:** £55,125.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Software Applications, Systems Engineering, Cyber Security, Databases, Human-Computer Interaction, Control Logix PLC, Infrastructure Automation Frameworks, Information Technology, HMI Screens, Process Control Systems, Network Server, PCS 7, Allen-Bradley Factory Automation Equipment
- **Published:** October 2, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5905580630

## About the Role

* 3+ years of experience with industrial controls system applications such as Rockwell/Allen Bradley Control Logix, Siemens PCS7 Control Systems, AVEVA Intouch, and/or FactoryTalk Optix
 * A degree (or equivalent professional accreditation/recognition) in an engineering discipline, ideally Computer Science, Control Systems, or Cybersecurity
 * Familiarity with industrial networks and cyber security standards, frameworks, and regulations including IEC-62443, NIST 800, and NIS Regulations.
 * Working knowledge of change/configuration management tools and processes, plus experience with IT tools for business analytics and project management
 * A systems engineering approach to product improvement (highly desirable)

## Description

Join Siemens Energy Gas and Power Services in Lincoln as a Senior HMI PC and Cyber Security Engineer, and take a leading role in modernising and upgrading Siemens Energy Small Gas Turbines. You'll build, develop, and support industrial Human Machine Interface (HMI) systems-both hardware and software-installing and testing standardised builds across Windows endpoints, servers, and clients. You'll work hands-on with engineering platforms like AVEVA Intouch, FactoryTalk Optix, Simatic PCS7, and WinCC, while strengthening system protection through Windows hardening, endpoint security, whitelisting, and secure backups. Your work helps raise quality, improve on-time delivery, and support safe commissioning in the field.

 * You will install, configure, and test standardised HMI builds on Windows endpoints, servers, and clients using AVEVA Intouch, FactoryTalk Optix, Simatic PCS7, and WinCC
 * You will apply cyber security measures including Windows hardening, endpoint security, whitelisting, and secure backups
 * You will configure, develop, and test industrial networking components such as industrial firewalls and managed switches
 * You will develop and maintain work instruction documentation for build configurations, and create/maintain information database(s)
 * You will collaborate with Project Execution to improve quality and on-time delivery, and support Field Service during commissioning by resolving software/hardware issues found in testing, You'll join the Engineering team within Siemens Energy Gas and Power Services in Lincoln. The team is responsible for the build, development, and support of industrial HMI systems (hardware and software) used in the modernisation and upgrade of Siemens Energy Small Gas Turbines. You'll work closely with the Project Execution team to enhance quality and strengthen on-time delivery. You'll also support Field Service during commissioning by helping troubleshoot and fix issues found during testing. The wider business supports customers worldwide with services that improve the reliability and performance of rotating power equipment across wind, utility, oil & gas, and industrial processing industries.


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