Tech & Digital

3rd Line Network Support Engineer

  • Location


  • Sector:

    Cloud, Infrastructure & Support

  • Job type:


  • Salary:

    £0.00 - £56000.00 per annum

  • Contact:

    Harleen Barmi

  • Contact email:

  • Job ref:


iO Associates seeks an 3rd Line Network Support Engineer to work with our client in Basingstoke Area. They are a prominent global entity in the information and communications technology solutions and services sector.

Your responsibilities will include collaborating with the team to maintain on-premise networks supporting business-as-usual (BAU) activities.

Job Title: 3rd Line Network Support Engineer

Location: Basingstoke, UK

Job Type: Permanent

Salary: Up to £56k per annum

This position would be office based.

Active Security Clearance/ Clearable required.


  • Solid understanding and practical knowledge of core routing and switching at CCNP level (minimum).
  • Proficient in IP routing (BGP, OSPF, static routing, HSRP, VRF, tunneling protocols).
  • Sound understanding of Layer 2 technologies (VLANs, port-security, 802.1X, spanning-tree).
  • Familiarity with firewalls, including Cisco Firepower, Cisco ASA, and related features (ASDM, ACLs, IPSEC VPNs).
  • Experience with Cisco Catalyst switches, Cisco Nexus switches, Cisco ISR and ASR routers, and Cisco ISE.
  • Strong experience with Juniper leaves, spines, and switches.


  • Perform network configuration changes, upgrades, and engage with third parties, internal teams, and end customers.
  • Contribute to project-based work closely with the project delivery team.
  • Provide technical direction and mentorship to the 2nd line network team.


  • 25 days of annual leave along with public holidays (3 flexible)
  • Double matching contributions up to 10% for pension
  • Flexible benefits, including options for increased holidays, travel, dental coverage, critical illness, and more.

This is the position for you if you want to work for a global company that values its employees' work life balance and invests in talent in terms of training. Please apply to the link below or get in touch with Harleen Barmi at +447897069565 if you need more information on the role.