Cyber Security Operational Technology Specialist

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
Bath
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Cyber Security
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Operational Technology Security Incident Response Security Information and Event Management (SIEM) Threat Analysis Risk Management MITRE ATT&CK Framework Endpoint Detection and Response (EDR) Network Detection and Response (NDR)

FULL DESCRIPTION

Cyber Security Operational Technology Specialist

Company: [Employer hidden — sign up to reveal]

Location: Bath (Hybrid)

Job Type: Permanent

Salary: Dependent on experience

Closing Date: May 17 2026

Job Description

We are seeking a Cyber Security Operational Technology Specialist to perform essential cyber security activities defending [Employer hidden — sign up to reveal]'s OT environment. This is a hybrid role based in our Bath head office.

What you'll do

  • Develop, deliver, and maintain secure standards and practices tailored to the unique requirements of the OT environment
  • Improve visibility of assets and advanced incident detection and develop the means to contain and respond to security threats
  • Conduct cyber and security incident response
  • Maintain and develop cyber security expertise
  • Maintain the organisation's situational awareness
  • Manage and maintain security tools and sensors
  • Represent the Security Coordination Centre (SCC)
  • Support operational planning, reporting and compliance
  • Deliver and maintain secure standards and practices
  • Drive security improvements across the environment
  • Guide and support cyber security across the business

What you'll need

  • Very strong ability to respond and adapt in a fast-changing environment, be initiative-taking, work well under pressure and be confident in engaging with Stakeholders at all levels of the organisation
  • The ability to use, manage and maintain various cyber security tooling, including EDRs, NDRs and SIEM platforms
  • Strong understanding of important security concepts and security best practices
  • Strong experience analysing events, incidents and threats
  • An enthusiasm for cyber security and keen to promote security awareness
  • Very strong written communication skills, with experience of documenting policies, procedures, security requirements and reporting
  • Very strong verbal communication and relationship building skills
  • The ability to collaborate with multiple teams at different technical levels
  • Strong knowledge of security protocols, technologies and best practices
  • An understanding and passion to improve network defence, incident response, analytical skills, computer skills, and communication skills
  • Risk management and cyber technical skills
  • Knowledge of common cyber security threats and application of countermeasures
  • Great knowledge of Tactics, Techniques and Procedures (TTP) e.g., MITRE Att&ck Framework
  • Knowledge and experience to analyse and investigate Microsoft Windows (desktop and server), Unix and Linux operating system alerts

Desirables

  • ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • ISA/IEC 62443 Cybersecurity Design Specialist
  • ISA/IEC 62443 Cybersecurity Risk Assessment Specialist
  • ISA/IEC 62443 Cybersecurity Maintenance Specialist
  • Certified Ethical Hacker (CEH)
  • CompTIA Security +
  • GICSP (Global Industrial Cyber Security Professional)
  • Other OT Security Certification
  • EC-Council Incident Handler
  • EC-Council Network Defender

What you'll receive

  • A combined pension contribution of up to 20%.
  • Career progression and professional development opportunities.
  • 25 days' holiday rising to 28 with length of service.
  • The opportunity to sell up to five days of holiday every year.
  • The opportunity to buy up to ten days of holiday each year (subject to conditions).
  • A healthcare package that allows you to claim back healthcare costs.
  • Life assurance of up to eight times your salary.
  • The opportunity to lease a new electric car through salary sacrifice (subject to conditions).
  • Cashback and discounts from more than 3,000 retailers.
  • One paid volunteering day each year.
  • Enhanced family leave and pay arrangements.
  • Access to an interactive health and wellbeing platform.
  • Support from trained mental health first aiders.
  • A £1,000 referral fee if you recommend someone who is successfully recruited by us.

Who we are

[Employer hidden — sign up to reveal] is part of the international YTL Group based in Kuala Lumpur. The UK companies include: [Employer hidden — sign up to reveal] – one of the top-performing water and sewerage companies in England and Wales, serving 2.9 million people across the South West; [Employer hidden — sign up to reveal]; [Employer hidden — sign up to reveal]; [Employer hidden — sign up to reveal]; plus a number of other retail, environmental and specialist businesses.

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