Senior Network Security Engineer

Salary: £75,000 - 75,000 per year

Requirements

• Strong hands-on experience with network infrastructure and security
• Experience with segmentation, firewalls, endpoint security, XDR, and access control
• Experience securing Cloud (Azure and/or AWS) and on-premise environments
• Knowledge of frameworks such as NIST, ISO 27001, CIS, GDPR preferred
• A proactive, accountable approach with a focus on owning outcomes
• Confidence in working with both technical and non-technical stakeholders

Responsibilities

• Lead the security of complex enterprise networks across cloud and on-prem environments
• Configure and optimize security tooling such as segmentation platforms, Sophos, Mimecast, XDR solutions, and vulnerability scanners
• Manage firewalls, VPNs, secure remote access, and segmentation controls
• Improve detection and response workflows alongside SIEM/SOC teams
• Ensure critical logging, monitoring, and compliance standards are met
• Automate deployments and controls using PowerShell, Python, Terraform or similar tools
• Support vulnerability assessments and drive remediation across the estate
• Contribute to secure design reviews for applications, infrastructure, and cloud services
• (Incident response experience is desirable but not essential)

Technologies

• AWS
• Azure
• Cloud
• Support
• Network
• PowerShell
• Python
• Security
• Terraform

More

We are seeking a Senior Network Security Engineer to join our growing security team in Central Bristol, offering various hybrid working arrangements. With a competitive salary between £65,000 to £75,000 plus bonuses, we provide 25 days of holiday and a good contributory pension. This role is not just about security engineering; it is an opportunity to take ownership of a modern security tooling ecosystem, influence architectural decisions, and drive significant improvements across our tech environment. We pride ourselves on fostering a supportive and forward-thinking team culture where everyone is valued.

last updated 32 week of 2026