Cyber Security Analyst jobs in United Kingdom

As the Principal Network Engineer, you will lead the design, implementation, and maintenance of our network infrastructure. This is a leadership role responsible for managing the network engineering team, setting priorities, and delivering carrier-grade network solutions.

You will enforce adherence to approved network designs, drive best practices, and ensure the network is robust, scalable, and high-performing.

Network Availability

• Ensure stable and reliable network services.

• Monitor daily network performance.

• Troubleshoot and resolve network and hardware issues.

• Generate and respond to trouble tickets; handle carrier escalations.

• Deploy and maintain network monitoring and analysis tools.

• Collaborate with Network Operations and Architecture teams.

Network Management

• Provide network support across operations and change management.

• Apply configuration changes using change control processes.

• Create HLD (High-Level Design) and LLD (Low-Level Design) documentation.

• Install and upgrade network hardware and software.

• Maintain patches, OS tuning, and configuration management.

• Engage with vendors and industry partners on behalf of the business.

Continuous Improvement

• Implement new technologies to enhance network services.

• Optimize capacity and improve network reliability.

• Develop and maintain strong network security practices.

General Duties

• Support core, distribution, and access networks.

• Deliver sustainable solutions for complex networking challenges.

• Collaborate with network architects, engineers, and security teams.

• Roll out innovative programs to reduce network issues.

Technical Skills

• Strong understanding of IPv4, IPv6, BGP, ISIS, MPLS, LDP, Segment Routing.

• Experience with BNG for IPoE and PPPoE, Zero Touch Provisioning, DHCP, RADIUS.

• Knowledge of uRPF/BCP38, CGNAT, and highly available (N+1) network architectures.

• Experience with PON access networks.

• Proficient in scripting languages such as Python, Perl, or Go.

• Solid Linux command-line and administration skills.

Required Experience

• Experience in an ISP/carrier environment, large NOC, or network engineering team.

Preferred Qualifications

• CCNP or equivalent vendor certification (or relevant practical experience).