Senior Infrastructure Engineer

Role: Senior Infrastructure Engineer

Contract Length: 9 MONTHS

Location: Hybrid - 40% any client office - possibly rising to 60% from September

Client locations : London, Birmingham, Glasgow, Manchester, Liverpool, Edinburgh, Leeds

Minimum Requirement:

Looking for a Senior Infrastructure Engineer with extensive experience with AWS cloud, F5 load balancers and Firewall platforms (Palo Alto, CheckPoint).

Must have AWS, pipeline skillset.

Job Summary

We are seeking an experienced Senior Engineer with deep expertise in network appliances to join our growing infrastructure and DevOps team. The ideal candidate will play a key role in designing, implementing, migrating and maintaining secure, scalable, and high-performance infrastructure, with a particular focus on network and cloud environments. This role requires advanced hands-on experience with F5, Palo Alto, CheckPoint firewalls, Zscalar and AWS, alongside fluency in modern DevOps tools and practices.

Key Responsibilities

Design, implementation, and administration of F5 appliances in AWS.

Converge multiple solutions of network patterns and create a self service, single pattern for the service.

Configure and manage network security appliances, particularly Palo Alto and CheckPoint firewalls in enterprise environments.

Design, deploy, and manage AWS cloud infrastructure, ensuring high availability, security, and performance.

Implement and maintain CI/CD pipelines using tools like Jenkins, GitLab CI.

Automate infrastructure provisioning using IaC/CaC tools such as Terraform, Ansible.

Monitor, troubleshoot, and optimize systems, networks, and application performance across hybrid environments.

Collaborate with security, development, and operations teams to enforce DevSecOps best practices.

Participate in incident response, root cause analysis, and implement long-term fixes.

Maintain and document configurations, processes, and network topologies.

Required Qualifications

Extensive hands-on experience with F5 load balancers expertise.

Strong experience with firewall platforms: Palo Alto Networks and CheckPoint.

Strong experience in Zscalar is preferrable

Solid understanding of networking protocols and concepts (TCP/IP, DNS, SSL/TLS, routing, etc.).

Proficient with AWS services including EC2, ELB, VPC, IAM, CloudWatch, S3,VPC Lattice, Transit Gateway, VPN and more.

Practical knowledge of DevOps tools: Git, Jenkins, Docker, Ansible, Terraform.

Strong scripting skills (Bash, Python, or equivalent).

Experience in managing production systems, preferably in regulated or high-availability environments.

Experience in grooming junior members of the team