Senior Security Engineer

Salary: £29,000 - 69,000 per year

Requirements:

• We ideally want experience operating in a Cyber Security, network engineering, maintenance, or operational role, with experience in critical national infrastructure highly desirable.
• We want knowledge of network security technologies and processes, including current and emerging security threats and methods to counter them.
• We want experience designing and implementing security zones and conduits in line with IEC 62443.
• We want hands-on knowledge of firewalls, including enterprise and industrial firewalls.
• We want the ability to read and interpret network diagrams, IP addressing schemes, and VLAN and routing tables.
• We want strong interpersonal skills and the ability to build and manage relationships with colleagues, senior management, and external stakeholders.
• We want strong oral and written communication skills, including creating and delivering reports, procedures, and presentations.
• We want the ability to interpret and understand complex analytical data to support effective decision-making.

Responsibilities:

• We will have you support security engineering compliance, including NIS compliance and governance.
• We will have you deliver the strategic Security Engineering programme across our FlexGen estate, including Hydro and BESS assets.
• We will have you deliver innovation and strategic maintenance initiatives tailored to security requirements across cyber, physical, and market economics.
• We will have you travel to sites across our FlexGen portfolio throughout the UK.
• We will have you deliver the Hydro-focused NIS Enhanced Profile plan, including drafting technical policy and general documentation.
• We will have you assist our FlexGen engineering teams with identifying, remediating, and avoiding network-based attacks from internal and external sources.
• We will have you use processes and technologies to detect and prevent malicious attacks to our FlexGen networks, and respond to security events from detection and analysis through to closure.
• We will have you help ensure our network architecture supports confidentiality, integrity, and availability through proactive monitoring, resilient technical design, effective capacity planning, and vulnerability remediation.
• We will have you maintain documentation of proposed and deployed infrastructure and contribute to Business Continuity Planning and Crisis Management.

Technologies:

• Support
• Network
• Security

More:

We are Drax, a team of practical doers, future thinkers, and business champions generating dispatchable, renewable power and creating stable energy in an uncertain world. Based in Glasgow with a hybrid working pattern, this permanent full-time Senior Security Engineer role sits within our Operations & Project Delivery function and supports our FlexGen estate across the UK. We offer a discretionary bonus, private healthcare, SAYE sharesave, personal accident cover, a group personal pension plan with up to 10% company contribution, 25 days of holiday plus bank holidays, and reimbursement of one relevant professional body membership. We are committed to inclusion, fair processes, and creating an environment where everyone feels valued and respected as we work together to enable a zero-carbon, lower-cost energy future.

last updated 30 week of 2026