Senior Network Engineer

Company: Oscar Technology
Apply for the Senior Network Engineer
Location: Leicester
Job Description:

Senior Network / Infrastructure Engineer Leicester Hybrid £50,000-£60,000

We’re partnering with a highly reputable organisation near Leicester to recruit a Senior Network / Infrastructure Engineer.

This is a hybrid role with 2 days working from home after probation, offering the opportunity to work within a large-scale enterprise environment supporting 7,000+ endpoints, 1,600+ Cisco LAN devices and 220+ WAN links across the UK.

The Role

You’ll act as a senior escalation point, providing technical leadership while designing, implementing, maintaining and optimising critical network and infrastructure services.

Key Skills & Experience

  • Advanced hands‑on Cisco networking experience.
  • Strong LAN/WLAN/WAN troubleshooting across multiple sites.
  • Advanced routing: BGP, EIGRP & OSPF.
  • Network design, implementation and optimisation.
  • Strong understanding of network security.
  • CCNA, CCNP or equivalent experience.
  • Experience with Cisco Catalyst and Wireless.
  • Knowledge of Cisco Firepower FMC, ISE and ISE-PIC highly desirable.
  • Experience with Azure / hybrid environments.
  • Strong troubleshooting skills and ability to handle complex escalations.
  • Previous experience providing technical leadership or mentoring.

Why Apply?

A fantastic opportunity to join a technically advanced enterprise environment where you’ll influence network design, resolve complex issues and become a key technical escalation point.

Location: Leicester Hybrid: 2 days WFH after probation Salary: £50,000-£60,000

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Posted: September 12th, 2026