Senior Network Engineer

Radius; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

Radius is seeking a Senior Network Engineer for a global organisation based in London. You will primarily work with Juniper networks and firewalls, with potential transfer from Cisco. The role is 35% project/design and 65% BAU, and you will produce basic network designs.

You will support all internal networks across UK sites and European offices, maintain routers and switches, deliver and support customer connections, assist with security and DR planning.

Qualifications

• Degree (or equivalent) in a computer related subject.
• Strong experience with Juniper Networks and firewalls.
• Experience across UK and European networks.
• Ability to produce basic network designs.
• Knowledge of TCP/IP, routing, DNS, DHCP and VPN.
• Security monitoring and backups / DR planning.

Responsibilities

• Support all internal networks across UK sites and European offices, reporting to the Head of Networks.
• Contribute to IT network project delivery, including design, build and stakeholder communication.
• Maintain and configure all routers, switches, and related network equipment.
• Deliver and support customer connections, including server sockets, VLANs and similar services.
• Assist with the configuration of internal and external switches.
• Support telephony systems, including ISDN and SIP services.
• Assist in maintaining backups, redundancies and disaster recovery processes.
• Support network security through monitoring, audits, baselining and working with assessors.

Skills

Juniper Networks

Firewalls

BGP

TCP/IP

LAN/WAN

VLANs

Network design

Windows server/AD

Education

Degree (or equivalent) in a computer related subject

Tools

Juniper Networks

Job description

Radius is seeking a Senior Network Engineer for a global organisation based in London.

Ideally you will have strong experience with Juniper Networks and firewalls and be happy to predominately work with these Technologies or transfer from Cisco to Juniper.

35% Project and design work and 65% BAU

Be able to produce basic Network designs

• Support all internal networks across UK sites and European offices, reporting to the Head of Networks.
• Work with and provide cover for the Customer Networks and Product Development Manager.
• Contribute to IT network project delivery, including design, build and stakeholder communication. .
• Maintain and configure all routers, switches, and related network equipment.
• Deliver and support customer connections, including server sockets, VLANs and similar services.
• Assist with the configuration of internal and external switches.
• Provide technical support for service‑network cabling, including planning and deploying cabinet cabling.
• Support firmware and software updates for routers and switches.
• Assist with EOL management and ensure timely planning and budgeting for replacements.
• Support telephony systems, including ISDN and SIP services.
• Assist in maintaining backups, redundancies and disaster recovery processes for all network services.
• Support network security through monitoring, audits, baselining and working with internal and external assessors.
• Support security and monitoring systems such as Systems Observer and FireEye.
• Support assigned projects, including procurement meetings, budgeting and security assessments.
• Degree (or equivalent ) in a computer related subject
• Must have knowledge of the following: windows 2003 and above, exchange server, LANs, WANs, virtualisation, TCP/IP, Routing, SANs, network design, firewalls, Active Directory, encryption technologies, system monitoring and management
• Ability to maintain an up-to-date knowledge of IT, LAN, PCs, Voice, Data and all associated software, fault isolation and problem resolutions.
• Proven and demonstrable experience in supporting IT infrastructure including networks, security hardware. Deep experience of one major network equipment provider is essential.
• Evidence of implementing IT security tools and techniques
• Practical experience on the management of change
• Good working knowledge of Information Governance and its application within IT
• Must be able to demonstrate commitment to customer facing service
• Ability to demonstrate significant experience of managing / motivating staff and developing staff
• Understanding of core Internet protocols (e.g., TCP/IP, UDP, DNS, SMTP, HTTP, BGP, etc.)