Senior Network Security Engineer

Abingdon, GB, OX14 3YP

Information Technology

Sophos Overview – Cybersecurity Evolved

Sophos evolves to meet every new challenge, protecting more than 400,000 organizations of all sizes in more than 150 countries from today’s most advanced cyberthreats. Powered by SophosLabs, our cloud-native and AI-enhanced solutions are able to adapt and evolve to secure endpoints and networks against never-before-seen cybercriminal tactics and techniques. Managed through our award-winning, cloud-based platform, Sophos Central, our best-of-breed products work together through our unique Synchronized Security system to share threat intelligence and respond to evolving threats. The Sophos suite of products secures networks and endpoints against automated and active-adversary breaches, ransomware, malware, exploits, data exfiltration, phishing, and more.



We are recruiting a Senior Network Security Engineer with a strong firewall knowledge, to join a technically challenging role within the IT Enterprise Application Access team, reporting to the Network Manager.  We are looking for candidates who have experience of both firewalls and networks, focusing primarily on the firewalls, providing best practice implementation and management, ensuring the latest features are configured correctly, working closely with automation and networking teams. This role will suit a candidate who would like to work on a global network infrastructure in a key role, with continual learning opportunities within a supportive and diverse environment. This role is key to maintaining the ongoing security of our network. You will be able to understand and take the best course of action when a critical production system has an acute problem and manage priority and high value tasks as part of an agile team.


As a Network Security Engineer, you will join a team responsible for;

  • Lead operational projects, Designing and implementing new secure environments.
  • Supporting Sophos’ network security infrastructure with a focus on Firewalls (Sophos UTM and XG).
  • Escalation point for complex technical issues, bringing problems to a resolution within a timely manner
  • Leading continuous improvement initiatives to drive efficiency and automate processes with Firewall Operations.
  • Providing continued compliance and assist with security audits and assist in remediate of any security related issues.

Additional responsibilities:

  • Ensure firewall services and systems are always available and reliable.
  • Report, pursue, communicate, and when needed escalate any breaches in information security or policies
  • Adhere to established change, incident and problem management processes
  • Create detailed documentation and drawings ( Visio ) to support the network environment
  • Able to communicate effectively with the business, peers and senior management utilizing multiple collaboration tools.

People who thrive in our environment, are self-motivated, organised and want to naturally share knowledge and contribute to technical discussions and learn. With excellent communication skills, you’ll be customer-focussed and want to create and deliver value.

To be considered for this role the skill-set required are the following:

  • Advanced Knowledge of Sophos products
  • Strong Network Firewall knowledge and skills
  • A good understanding of Linux, Cloud networking and Software Define Networks
  • A strong understanding of network protocols (TCP/IP, UDP, HTTP, HTTPS)
  • Experience of Routing, Switching and SDWAN solutions
  • Strong experience with automating against firewalls and network infrastructure
  • Strong experience of Cloud Infrastructure such as AWS/Azure
  • Cisco certified network engineer advantageous
  • Nice to haves: Load Balancers, Understanding of DevOps technologies (Python Scripting, Ansible)


Equal Opportunities


Sophos is committed to equality opportunity in all areas of its work. All qualified applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation.



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At Sophos, we want every organization to be protected by innovative, next-generation IT security, even those who don't have a huge IT staff. We protect organizations of all sizes, all around the world by making enterprise-grade security that is simple to deploy, manage, and use. It is our passion, and something we are truly proud of.

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