Job Description

Job Title: Senior Infrastructure Engineer
Location: Hybrid (2-3 days/week onsite) – Choice of locations: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London

Contract Duration: 9 Months

Daily Rate: £650/day (Umbrella – Maximum)
IR35 Status: Inside IR35

Security Clearance: Must be eligible for SC

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 developing junior members of the team 

Disability Confident

As a member of the disability confident scheme, CLIENT guarantees to interview all candidates who have a disability and who meet all the essential criteria for the vacancy. In cases where we have a high volume of candidates who have a disability who meet all the essential criteria, we will interview the best candidates from within that group.

Armed Forces Covenant   

CLIENT is proud to support the Armed Forces Covenant and as such, we guarantee to interview all veterans or spouses / partners of military personnel who meet all the essential criteria for the vacancy. In cases where we have a high volume of ex-military candidates / military spouses or partners, who meet all of the essential criteria, we will interview the best candidates from within that group.

If you qualify for the above, please notify us on 0121 794 8181.

We will be in touch to discuss your suitability and arrange your Guaranteed Interview.

Should you require reasonable adjustments at any point during the recruitment process or if there is a more accessible way for us to communicate, please do let me know.

To apply for this role please submit your latest CV or contact Aspect Resources on 0121 794 8181