Senior Infrastructure Engineer

InvitISE Ltd; Newcastle upon Tyne; Hybrid; GBP 103,735 - 136,114; Full time

Job summary

A public sector technology firm is seeking a Senior Infrastructure Engineer (NetDevOps) for an 11-month contract based in the United Kingdom. The role offers hybrid working, requiring approximately 3 days per week on-site. Candidates must demonstrate expertise in enterprise network design and firewall technologies such as Palo Alto. Responsibilities include designing complex network architectures, implementing network automation, and supporting hybrid cloud connectivity, requiring SC clearance to qualify for the role.

Qualifications

• Proven experience designing complex enterprise network infrastructure.
• Hands-on with firewall technologies and cloud connectivity.
• Ability to pass SC clearance for this role.

Responsibilities

• Contribute quickly to design and delivery work.
• Implement enterprise network infrastructure across various environments.
• Apply network automation with Infrastructure as Code mindset.

Skills

enterprise network design

NetDevOps mindset

Palo Alto firewalls

network automation

CI/CD exposure

Hybrid cloud connectivity

Tools

Python

Ansible

F5 BIG-IP

GitLab

Job description

We're looking for a Senior Infrastructure Engineer (NetDevOps) for our public sector client based in Manchester on an initial 11-month contract paying up to £650 per day inside IR35.

This role offers hybrid working with approximately 3 days per week on-site attendance expected. You may work from Newcastle, Leeds, Birmingham and Blackpool.

The successful Senior Infrastructure Engineer will be a hands‑on engineer with a genuine NetDevOps mindset. You will be expected to contribute to design and delivery work quickly, bringing real engineering depth across enterprise networking, firewall technologies, data centre architecture and automation.

You will need proven experience working with the following:

• Designing and implementing complex enterprise network infrastructure across data centre, hybrid and cloud environments
• OSPF and BGP environments, with strong understanding of enterprise and cloud network patterns
• Palo Alto firewalls across data centre and cloud, including Zero Trust and secure network design principles
• Data centre technologies including VXLAN, EVPN, VRF segmentation and multi‑site fabrics, with experience of vendors such as Arista
• Load balancing technologies including F5 BIG‑IP (LTM, APM, ASM)
• Network automation using Python, Ansible or similar tooling, with an Infrastructure as Code mindset
• CI/CD exposure including GitLab and version control practices applied to network engineering
• Hybrid cloud connectivity across at least one major cloud provider such as Azure, AWS or OCI

Experience with SD‑WAN, Aruba Central or ClearPass, or modernising legacy network environments would be beneficial.

You will need to hold or be able to pass SC clearance for this role.