Endpoint Security Engineer

About us

At National Grid, we keep people connected and society moving. But it’s so much more than that. National Grid supplies us with the environment to make it happen. As we generate momentum in the energy transition for all, we don’t plan on leaving any of our customers in the dark. So, join us as a Network Security Engineer, and find your superpower. We need you!

We want to find an innovative, adaptable, and results-oriented Endpoint Security Engineer. This positions home office will be Warwick - we offer a flexible hybrid working policy.

If you yearn to be innovative, contribute new ideas, and play a critical part in our Security organization, we want to hear from you!

Job Purpose

As an Endpoint Security Engineer, you'll manage and enhance security for desktops, laptops, servers, and field devices in the enterprise and other critical infrastructures. Key responsibilities include the following: 

What you'll do

• Implement and manage endpoint protection solutions across IT and OT environments (e.g., EDR, Antivirus, Device Control, Application Control, Host-Based Firewall).
• Harden endpoints and enforce secure baselines for Windows, Linux, and mobile devices.
• Develop and maintain endpoint security policies, procedures, and documentation.
• Provide expertise during incident response, root cause analysis, and recovery for endpoint compromises.
• Liaise with vendors and internal stakeholders to evaluate, test, and implement new endpoint security features, deploy new tools/perform version upgrades.
• Maintain management servers, perform daily health checks, apply updates, and ensure system integrity and performance.

About you

• Strong experience in endpoint security, especially in critical infrastructure
• Proficiency with endpoint security platforms such as Microsoft Defender for Endpoint, SentinelOne, Trellix, or other any other EDR products.
• Familiarity with SIEM tools and Frameworks (NIST, MITRE ATT&CK)
• Familiarity with NERC CIP, CIS Benchmarks, NIST SP 800-82, or similar standards.
• Scripting and automation skills (PowerShell, Python, Bash).
• Understanding of energy/utility sector cyber threats.
• Experience in regulated environments with compliance-driven security programs.

What you'll get

A competitive salary between £50,000 - £60,000 dependent on capability

As well as your base salary, you will receive a bonus based on personal and company performance 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 number of flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.

More Information

The closing date for this vacancy is 21st May. However, we encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.

 

DE & I statement 

At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office.
Our goal is to drive, develop and operate our business in a way that results in a more inclusive culture. All employment is decided on the basis of qualifications, the innovation from diverse teams & perspectives and business need. We are committed to building a workforce so we can represent the communities we serve and have a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.

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