Senior Infrastructure Engineer

Role: Senior Infrastructure Engineer - NetDevOps(SC Active)

Location : Newcastle (preferred), Manchester, Leeds, Birmingham, Blackpool Peel Park

Type : Hybrid working 3-days a week onsite IR35: inside

Job Description:

Role Overview

We are looking for a Senior Infrastructure Engineer (NetDevOps) to design, build, and evolve large-scale enterprise network platforms, with a strong focus on modern, automated, and cloud-integrated infrastructure.

This role is suited to a hands-on engineer, not an operations or SRE specialist. You will be expected to quickly contribute to design and delivery activities, applying engineering best practice, automation, and network expertise to support critical services.

You will work closely with Architecture, Cloud, and Engineering teams to deliver secure, scalable, and highly available network solutions, balancing immediate delivery needs with longer-term platform improvement.Key Responsibilities

Design, implement, and enhance enterprise network infrastructure across data centre, hybrid, and cloud environments

Engineer and implement network traffic flows to support business-critical services

Build and maintain secure hybrid connectivity across Azure, AWS, and OCI

Implement and manage Palo Alto firewall policies across on-prem and cloud environments, aligned to Zero Trust principles

Design and operate high-availability network services, including routing, segmentation, and resilience

Develop and maintain network automation using tools such as Python, Ansible, and Infrastructure as Code

Collaborate with architecture and platform teams to ensure solutions align with engineering standards and strategic direction

Contribute immediately to delivery work, demonstrating the ability to operate with minimal ramp up

Document designs and changes clearly and consistently, supporting maintainability and knowledge sharingEssential Technical Skills (Priority Criteria)

Candidates must demonstrate strong, hands-on experience in the following areas:

Enterprise Networking Engineeringo Complex OSPF and BGP environments

o Designing and implementing secure, resilient traffic flows

o Strong understanding of typical enterprise and cloud network patterns

Firewall and Security Technologieso Extensive experience with Palo Alto firewalls

o Policy design and implementation across data centre and cloud

o Zero Trust and secure network design principles

Data Centre & Network Architectureo VXLAN / EVPN, VRF segmentation, and multi-site fabrics

o Experience with vendors such as Arista (or equivalent)

o Load balancing technologies (e.g. F5 BIG-IP: LTM / APM / ASM)

Automation & NetDevOps Capability

You will be expected to demonstrate a clear move away from traditional, manual networking, including:

Network automation experience using Python, Ansible, or similar tooling

Infrastructure as Code mindset (e.g. Terraform)

Version control and CI/CD exposure (e.g. GitLab CI/CD)

Applying DevOps-style practices to network and infrastructure engineeringCloud & Hybrid Experience

Strong working experience with at least one major cloud provider (Azure, AWS, or OCI)

Designing and integrating hybrid cloud network solutions

Understanding of cloud-native networking constructs and security modelsExperience & Knowledge

Proven track record as a Network / Infrastructure Engineer in large-scale enterprise environments

Experience delivering engineering solutions, not just supporting operations

Comfortable working across multiple workstreams and priorities

Experience in regulated or complex environments (public sector experience beneficial but not essential)

Active SC Clearance (mandatory)Nice to Have

Aruba Central / ClearPass

SD WAN technologies

SaaS and cloud-delivered WLAN / WiFi solutions

Prior experience modernising legacy network environmentsRandstad Technologies is acting as an Employment Business in relation to this vacancy