Senior Network Engineer

OpticoreIT
London

Opticore IT are currently searching for a Senior Network Engineer to maintain and support the current state multi-vendor network estate and deliver updates and upgrades as they arise. This opportunity is joining an internationtal law firm client based in the office 2 days a week in central London

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more.

What you'll be doing:

  • Deliver on projects against the evolving priorities

  • Hands-on support and maintenance of a multi-vendor estate spanning across:

    • Cisco Catalyst 9300 series and Nexus switching.

    • The firewall estate, primarily FortiGate

    • Palo Alto Prisma Access

    • Cisco Wirelss LAN Controllers

    • VeloCloud SDWAN

What you'll bring:

  • Core networking fundamentals across Layer 2 and Layer 3, including routing protocols BGP and OSPF

  • Cisco Catalyst 9300 series and Nexus switching

  • Palo Alto Prisma Access

  • FortiGate firewalls

  • Cisco Wireless LAN Controllers and VeloCloud SD-WAN

What you’ll gain:

Here at OpticoreIT we believe in investing in our team as we understand that we are only as great as our engineers, so learning and development is a big deal for us. Whether you’re going for a CCNP, CCIE, Hashicorp, Python, Cloud Technology or anything in between Opticore IT has your back with all our training, labs, courses, and shared knowledge and the most important part it’s all free! On top of that, we also give you:

  • Competitive Salary & discretionary bonus

  • 23 days holiday + bank holidays

  • Private healthcare & dental

  • Pension

  • EV car, workplace nursery, tech, and cycle-to-work salary sacrifice schemes

  • Team & Company Social events

  • EMI share scheme

Diversity:

At Opticore IT we embrace diversity and are committed to equal opportunities. We actively recruit for an inclusive and diverse workforce and as such, want to ensure we do everything we can to support your application.

We want you to feel empowered to let us know if you require any adjustments to be made with your application or interview process so please speak to our recruitment team.

#LI-NH1

Posted 2026-07-10

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