Senior Network Designer with Infrastructure as Code (IaC)

Randstad Technologies Recruitment; Birmingham; On-site; GBP 80,000 - 100,000; Part time

Job summary

Randstad Technologies Recruitment seeks a Senior Network Designer with Infrastructure-as-Code (IaC) to drive automated network changes for Cisco data centres across Bristol, Birmingham and London. This 6‑month contract is hybrid, with 3 days per week in the office, translating designs into production automation and building robust CI/CD pipelines.

Role requires Cisco NX-OS, IaC, Python, Ansible, and GitOps experience, plus governance in regulated environments (FCA/PRA).

Qualifications

• Must have deep Cisco NX-OS and VXLAN BGP-EVPN experience.
• Hands-on IaC and automation experience.
• Proficient in Python for REST APIs and data modeling.
• Experience with YAML/JSON and Ansible Automation Platform (AAP).
• CI/CD and testing using GitHub/GitLab, pyATS, Genie.
• Governance in regulated environments with detailed LLD documentation (FCA / PRA).

Responsibilities

• Build and optimize CI/CD pipelines for automated network changes and migrations.
• Champion GitOps with gates and automated rollbacks.
• Integrate automation across enterprise platforms including NDFC, NetBox, ServiceNow, and Red Hat Ansible Automation Platform.

Skills

Cisco NX-OS

VXLAN BGP-EVPN

vPC

NDFC

Infrastructure as Code

Python

YAML/JSON

Ansible

CI/CD workflows

GitHub/GitLab

Tools

pyATS

Genie

Red Hat Ansible Automation Platform

NetBox

Job description

Role: Senior Network Designer with Infrastructure as Code (IaC)

Type: Contract (6 Months)

Location: Bristol, Birmingham & London, UK

Working Model: Hybrid (3 days per week in office)

The Role

We are seeking a highly hands‑on Senior Network Automation Engineer to eliminate manual network configurations and drive Infrastructure-as-Code (IaC). You will translate low‑level designs into production‑grade automation workflows, building robust CI/CD pipelines for mission‑critical Cisco data centres.

What You'll Do

• Build and optimize CI/CD pipelines for automated network changes and migrations.
• Champion GitOps principles, treating Git as the ultimate source of truth with strict pipeline gates and automated rollbacks.
• Integrate automation seamlessly across enterprise platforms including NDFC, NetBox, ServiceNow, and Red Hat Ansible Automation Platform.

Must-Have Skills

• Networking: Deep expertise in Cisco NX-OS, VXLAN BGP-EVPN, vPC, and Cisco NDFC.
• Infrastructure as Code (IaC)
• Automation: Python (REST APIs, data modeling), YAML, JSON, and Red Hat Ansible Automation Platform (AAP).
• CI/CD & Testing: GitHub/GitLab workflows, pyATS, and Genie for pre- and post-change validation.
• Governance: Experience working in strictly regulated environments requiring detailed LLD documentation (FCA / PRA standards).