Network Security Engineer

We Served; Corsham; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A defense and engineering firm is seeking a Network Security Engineer in Corsham, England. This full-time position involves maintaining network security, implementing cyber security measures, and assisting with internal audits. Key qualifications include Network Security experience and relevant certifications. The role offers a competitive salary with hybrid working arrangements. Candidates must be UK nationals able to obtain necessary security clearances. Excellent benefits and development opportunities are provided.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Access to a Digital GP

Employee share scheme

Holiday Trading benefit

‘Be Kind Day’ for volunteering

Responsibilities

• Develop and enhance network and cyber security baselines.
• Implement cyber security tooling and controls.
• Assist with network configuration and internal audits.
• Perform gap analysis on systems and services.
• Maintain baselines across Linux and Microsoft stacks.

Skills

Network Security experience

ICT systems in complex environments

Configuration Management documentation

Security architecture knowledge

Knowledge of JSP 604

Education

Relevant certificate/qualification

Job description

Job Title: Network Security Engineer

Location: Corsham, Wiltshire + Hybrid Working Arrangements

Compensation: Competitive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF 70427

At Babcock, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Network Security Engineer at our Hawthorn site, near Corsham, Wiltshire.

The Role

As the Network Security Engineer, you will have the opportunity to further develop your knowledge in a wide range of networking technologies.

The Network Security Engineer will be responsible for maintaining the network security baseline and other tasks such as vulnerability management, threat detection and monitoring, incident response and security control implementation.

• Develop and enhance network and cyber security baselines.
• Implement cyber security tooling and controls.
• Assist with network configuration and internal audits.
• Perform gap analysis on systems and services.
• Maintain baselines across Linux and Microsoft technology stacks.

This role is full time, 37 hours per week and provides hybrid working arrangements with up to 3 days onsite and 2 days working from home.

Essential Experience of the Network Security Engineer

• Experience in a Network Security role.
• Experience of ICT systems in complexed environments.
• Experience creating, maintaining, and cataloguing Configuration Management documentation.
• An understanding of security architecture required within compartmented certified environments.
• Knowledge of JSP 604 desirable

Qualifications for the Network Security Engineer

• Preferably supported by a relevant certificate/ qualification.

Security Clearance

The successful candidate must be a sole UK national who is able to achieve and maintain Security Check (SC) security clearance for this role. You may be required to achieve Developed Vetting (DV) security clearance once in post.

Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your eligibility for certain roles may be affected by your place of birth, nationality, current or former citizenship, and any residency you hold or have held. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)

What We Offer

• Generous holiday allowance
• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
• Employee share scheme
• Employee shopping savings portal
• Payment of Professional Fees
• Reservists in the armed forces receive 10-days special paid leave
• Holiday Trading is a benefit that allows UK Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually
• ‘Be Kind Day’ enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing

Babcock International

For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal.

We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email [e-mail] with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.

Closing Date: 26/01/2026

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