Linux Security Specialist

4 weeks ago


London, Greater London, United Kingdom National Grid Full time
About the Role

The National Energy System Operator (ESO) is seeking a Cyber Security Consultant (Integration) to join our team. As a key member of our security function, you will work closely with the Head of Security Business Enablement and IT projects to translate goals and policies into business deliverables and provide vital business insights.

This role can be based from Wokingham or Warwick, and we offer hybrid working from office and home.

Key Accountabilities

  • Day-to-day engagement with Project & IT Teams to advise and consult on security matters
  • Act as a trusted advisor to innovation projects for security-related matters
  • Coordination of technical design/review activities with various segments within the security team
  • Responsible for ensuring that key risks and issues are identified, addressed, and resolved in a manner that satisfies the business

About You

  • Solid understanding of IT services across both cloud and on-premises gained through experience or knowledge
  • Solid understanding of security principles gained through experience or knowledge and how to apply them in an IT context
  • Understanding of:
    • Security services across the administrative and technical suite
    • Malware defences
    • Network security services - Firewalls, IDS, IPS, Proxy, VPN etc.
    • Techniques used to harden operating environments including Windows, Linux, and Oracle
    • Risk management techniques
  • Experience in integrating IT Services with Security services e.g. Vulnerability scanning, SIEM
  • Knowledge of the Networks and Information Systems Regulations 2018 (NIS-R)
  • Strong written and spoken communication
  • Prepared to challenge and have the difficult conversations where needed in the interests of ESO
  • Able to operate as efficiently as an independent worker and as part of a team
  • Preferably somebody who has done hands-on IT in the past and understands the pragmatic approach sometimes required
  • Prior Critical National Infrastructure (CNI) or utilities industry experience an advantage but not essential
  • IT based higher education an advantage but not essential
  • IT and or security certifications an advantage but not essential

What You'll Get

A competitive salary between £52,000 - £65,000 dependent on experience and capability.

As well as your base salary, you will receive a bonus based on company performance, 26 days annual leave as standard and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%.

You will also have access to a comprehensive benefits package tailored to support your well-being and professional success. From a competitive salary to flexible work arrangements, we promote your work-life balance. Enjoy fit for purpose wellbeing and lifestyle offerings, ongoing skill development aligned to our Purpose and Values, and be part of a supportive community that values your individuality and where you can belong.

We're committed to building a workforce that represents the communities we serve, and a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential. In the meantime, you'll still see National Grid branding.



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