Network Support Engineer

JR United Kingdom; Basingstoke; On-site; GBP 40,000 - 70,000; Full time

Job summary

An established industry player is seeking a talented 3rd Line Support Network Engineer to join their expanding Infrastructure team in Basingstoke. This role offers a fantastic opportunity to work on mission-critical systems that support national infrastructure projects. You will be part of a dedicated team, collaborating on high-visibility projects while developing your skills in a dynamic environment. With a focus on maintaining secure network environments, you will troubleshoot complex incidents and configure devices from leading vendors. This position promises structured career development and exposure to innovative technologies.

Benefits

Medical coverage

5% annual performance bonus

10% DV Bonus upon clearance

Structured career development

Qualifications

• Strong hands-on experience with Cisco and Fortinet devices.
• Solid understanding of OSPF, BGP, and NAT.
• Ideally holding CCNA certification.

Responsibilities

• Investigating and resolving complex 3rd line network incidents.
• Configuring and troubleshooting network devices.
• Supporting critical operations environments.

Skills

3rd Line Support

Network Troubleshooting

Cisco Technologies

Fortinet Firewalls

OSPF

EIGRP

BGP

NAT

Subnetting

CCNA Certification

Tools

Cisco

Juniper

Fortinet

Job description

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Onsite Requirements: Full-time (5 days per week in the office)

Clearance Requirements: Active SC Clearance, DV clearable

The Opportunity:

This is a fantastic chance to join a highly regarded, secure organisation delivering cutting-edge IT solutions to critical national infrastructure projects. You'll be part of a dedicated team working on high-visibility, mission-critical systems that make a real difference. This role sits within a well-established Shared Services Centre, providing the opportunity to work with experienced professionals, develop your skills in a dynamic environment, and gain exposure to a variety of innovative technologies.

The Role:

We are seeking a talented 3rd Line Support Network Engineer to join our expanding Infrastructure team based in Basingstoke. Reporting to the 3rd Line Support Manager, you will play a pivotal role in supporting and maintaining secure network environments, with a focus on high service uptime and resilience.

You will be responsible for:

• Investigating, diagnosing, and resolving complex 3rd line network incidents

• Acting as the primary point of contact for escalated network issues

• Configuring, installing, and troubleshooting network devices (Cisco, Juniper, Fortinet)

• Supporting critical operations environments, including military and high-security projects

• Collaborating with a growing team of Infrastructure Engineers

• Strong, hands-on experience with Fortinet FortiGate firewalls and Cisco routing/switching technologies

• Solid understanding of OSPF, EIGRP, BGP, along with NAT, GRE Tunnelling, DMVPN, Subnetting, and Supernetting

• Experience configuring and troubleshooting Cisco, Juniper, and Fortinet devices

• Ideally holding CCNA certification

• Bonus: 5% annual performance bonus

• Clearance Bonus: Additional 10% DV Bonus once clearance is obtained (or if held upon joining)

• Medical coverage included

• Opportunity to work on critical, high-impact projects

• Structured career development within a stable, supportive environment

If you are interested, please apply below or contact me directly