Network Security Engineer

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

Job summary

A leading security solutions provider in the UK is looking for a Network Security Engineer to enhance their security operations. This full-time position offers hybrid working arrangements, with responsibilities including maintaining network security, threat detection, and incident response. The ideal candidate will have relevant qualifications in network security and must achieve Security Check clearance. Employees enjoy a generous benefits package, including holiday allowances and development opportunities.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Access to a Digital GP

Employee share scheme

Payment of Professional Fees

10-days paid leave for reservists

‘Be Kind Day’ for volunteering

Excellent development opportunities

Qualifications

• Understanding of security architecture in certified environments.
• Knowledge of JSP 604, 440 and relevant BS EN standards.
• Experience in a Network Security role.
• Familiarity with ICT systems in complex environments.
• Experience with Configuration Management documentation.

Responsibilities

• Develop and enhance Network and Cyber Security baselines.
• Implement Cyber Security tooling.
• Assist with network configuration for business-as-usual.
• Perform gap analysis on systems and services.
• Maintain baselines of endpoints and servers.

Skills

Network Security

Incident Response

Vulnerability Management

Threat Detection

Configuration Management

Education

Relevant certificate/qualification in Network Security

Job description

Job Title: Network Security Engineer

Location: Corsham, Wiltshire + Hybrid Working Arrangements

Compensation: Competitive Salary + Benefits

Role Type: Full time / Permanent

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

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.

• Developing and enhancing Network and Cyber Security baselines
• Implementing Cyber Security tooling
• Assisting with business‑as‑usual network configuration
• Performing gap analysis on systems and services
• Maintaining baselines of endpoints and servers
• Working 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

• An understanding of security architecture required within compartmented certified environments.
• Knowledge of JSP 604, 440 and relevant BS EN standards.
• Experience in a Network Security role.
• Experience of ICT systems in complex environments.
• Experience creating, maintaining, and cataloguing Configuration Management documentation.

Qualifications for the Network Security Engineer

• Experience with Network Security 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 well‑being

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: 07/01/2026