Senior Network Engineer

Arcus Search; London; On-site; GBP 125,000 - 150,000; Full time

Job summary

A skilled Network Engineer is sought at a leading company to support critical network initiatives within a financial services environment. The role focuses on automation-first network infrastructure design and offers exposure to advanced network technologies. Candidates should be CCNP-certified with experience in enterprise networking and network automation tools.

Qualifications

• Deep expertise in BGP and routing design.
• Experience in service provider environments is advantageous.
• Familiarity with network automation for Day-1/Day-2 operations.

Responsibilities

• Support high-performance network initiatives in a fast-paced environment.
• Deliver strategic upgrades to core network services.
• Drive scalable and secure architectures using infrastructure-as-code.

Skills

CCNP-certified

BGP and routing design

Network automation

Python

Ansible

CI/CD

SDLC workflows

Tools

Cisco IOS-XR

Cisco NX-OS

Arista EOS

Job description

Direct message the job poster from Arcus Search

Data, Cloud and Technology at Arcus Search

up to £1000 per day - based on experience

A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments.

You’ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures.

The requirements are as follows:

• CCNP-certified with strong hands-on experience across enterprise networking
• Deep expertise in BGP and routing design, ideally supported by CCDP or equivalent
• Proficiency with Cisco IOS-XR, Cisco NX-OS, and/or Arista EOS
• Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms
• Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations)
• Understanding of CI/CD, SDLC workflows, and secure-by-design principles
• Exposure to low-latency or trading networks is highly desirable
• Experience in service provider environments is advantageous

This is a high-impact role supporting a critical infrastructure uplift across a global estate—offering exposure to advanced network technologies and performance-driven design.

If interested, please apply accordingly for CV review.

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

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