2nd / 3rd Line IT Network Support Engineer

Smartsearch Recruitment; United Kingdom; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading Managed Service Provider in the UK is looking for a 2nd/3rd Line IT Network Support Engineer. This position involves supporting a diverse array of clients and requires significant experience with complex LAN/WAN environments and various enterprise networking technologies. Ideal candidates will have solid troubleshooting skills, hands-on experience with network hardware, and proficiency in monitoring tools. The role offers a competitive salary and the flexibility of hybrid working arrangements.

Benefits

Excellent benefits package

Hybrid working model

Qualifications

• Experience supporting and troubleshooting complex multi-site LAN/WAN environments is essential.
• Hands-on experience with enterprise switches, routers, and firewalls (Cisco, Fortinet, Juniper) preferred.
• Strong understanding of network security and routing protocols is critical.

Responsibilities

• Support a diverse customer base in public and private sectors.
• Provide second and third line support as part of the role.
• Work on-call as part of a rota, paid accordingly.

Skills

Supporting and troubleshooting complex multi-site LAN/WAN environments

Configuration and management of enterprise switches, routers, and firewalls

Knowledge of routing protocols (OSPF, BGP, EIGRP)

Network security concepts knowledge

VLAN design and inter-VLAN routing experience

Wireless networking experience

Network monitoring tools proficiency

Network automation and scripting knowledge

Cloud networking familiarity

High-availability solution implementation

DNS, DHCP, NAT experience

Education

Cisco CCNA/CCNP or equivalent certification

CompTIA Network+

Microsoft Certified: Azure Administrator Associate

AWS Certified Solutions Architect Associate

ITIL Foundation

Tools

Wireshark

SolarWinds

PRTG

Job description

2nd/3rd Line IT Network Support Engineer Salary: £40k + excellent benefits package Hybrid: 2 days from home / 3 days from the Caerphilly. There is a requirement to work on-call as part of a rota (paid). SC Clearance required

We have an exciting opportunity for a 2nd/3rd Line IT Network Support Engineer to join a leading and growing Managed Service Provider and Systems Integrator. This role will support a diverse customer base in both the public and private sectors. We are keen to hear from 2nd/3rd Line IT Network Support Engineers with experience in a Managed Service Provider environment. The role offers excellent scope and future growth opportunities for the right candidate.

Network Support Engineer Requirements:

• Significant experience supporting and troubleshooting complex multi-site LAN/WAN environments
• Advanced configuration and management of enterprise switches, routers, and firewalls (e.g., Cisco, Fortinet, Juniper)
• In-depth knowledge of routing protocols (OSPF, BGP, EIGRP) and dynamic routing configuration
• Strong understanding of network security concepts, including firewall rule sets, VPNs (IPSec, SSL), and intrusion prevention systems
• Experience with VLAN design, trunking, inter-VLAN routing, and network segmentation
• Hands-on experience with wireless networking (802.1x authentication, enterprise Wi-Fi deployment, troubleshooting RF issues)
• Proficient in network monitoring, analysis, and troubleshooting using tools such as Wireshark, SolarWinds, PRTG, or similar
• Experience with network automation and scripting (e.g., Python, Ansible, or PowerShell) for configuration management and monitoring
• Familiarity with cloud networking (Azure/AWS VPCs, VPN gateways, ExpressRoute/Direct Connect)
• Proven ability to implement and support high-availability solutions (redundant links, HSRP/VRRP, load balancing)
• Experience with DNS, DHCP, NAT, and network address planning
• Ability to produce and maintain detailed network documentation, diagrams, and change records
• Comfortable working in an ITIL-based service management environment, including incident, problem, and change management processes

Desirable:

• Experience with SD-WAN technologies and deployment
• Knowledge of VoIP systems and network QoS
• Cisco CCNA/CCNP or equivalent certification
• CompTIA Network+
• Microsoft Certified: Azure Administrator Associate
• AWS Certified Solutions Architect Associate
• ITIL Foundation

If this sounds like the role that you are looking for, then please apply attaching your CV.

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