Principal Network Engineer

Location City of London
Discipline: Network
Job type: Permanent
Salary: 85k-95k per annum

​A fantastic opportunity has come up for a Principal Network Engineer. This is a permanent position based in the City of London. As part of the IT Operations team, the Principal Network Engineer is responsible for supporting a multi-vendor network infrastructure analyzing, designing, configuring and optimizing our global network.

You will provide direction, leadership, and recommendations to secure and optimize network traffic. You will provide Tier 3 support and maintenance to their Cisco infrastructure, routers, and switches such as the Cisco Nexus and Catalyst platforms, Cisco ASR 7200/3800 routers, Cisco UCS, Cisco Multilayer Director, Cisco Adaptive Security Appliance, and Cisco 6500 switches amongst others.


  • Minimum of CCNP certification CCIE preferred, Security certifications a plus

  • Proven extensive senior-level networking operational experience, providing day-to-day operational monitoring and technical support for the network infrastructure

  • Experience managing high availability architecture

  • Demonstrated ability to ensure the infrastructure is maintained at the appropriate patch and software levels using change management as defined in the ITIL framework

  • Has managed, led, and executed projects that integrate new technology that scales allowing the environment to meet the growing performance, security, and functionality demands

  • Provides cross-training to team members to strengthen the broader team

  • Experience in workload balancing – A10, WAN Optimization leveraging Riverbed – Steelhead, Network Monitoring using Protocols such as HSRP / VSRP / VRRP / BGP / OSPF / EIGRP MPLS/SDWAN wide area network QoS policy and design IPv6 addressing and routing.

Desired Characteristics:

  • Ability to thrive in a fast-paced environment with multiple high priorities

  • Strong verbal and written communication skills detailing opportunities for improvement, problem management in non-technical terms

  • Thrives when working in a highly diverse environment, able to work with senior management and project managers completing assigned tasks

  • A team player with a positive attitude, detail-oriented with a strong focus for quality


  • Bachelor’s Degree in CS, IS preferred, equivalent experience will be considered


  • Holidays

  • 30 days of annual leave (pro-rated for new joiners depending on date of hire), plus eight statutory public holidays.

Staying Healthy:

  • Healthcare

  • Private Medical Insurance

  • Health Assessments

  • Dental Insurance

  • Eye Care ​


  • Employee Assistance Programme

  • Gym Subsidy

  • Ride to Work Scheme ​

Financial Wellbeing:

  • Group Personal Pension Scheme

  • Disability and Life Assurance

  • Employee Stock Purchase Plan (ESPP)

  • Travel Insurance (Personal and Business)

  • Employee Referral Programme ​

Family Bonding Time:

  • Enhanced Maternity Leave

  • Paternity Leave

  • Shared Parental Leave

Developing and Giving Back:

  • Learning Opportunities

  • Employee Recognition

  • Matching Gift and Community Involvement Program