Senior DevOps Engineer (Platform Engineer) at MOD

Senior DevOps Engineer focusing on Azure and AWS within an AGILE/SCRUM environment; Infrastructure as Code at core. Developed Helm charts for tooling deployed to AKS with ArgoCD; created GitLab CI/CD pipelines on AKS. Built complex Terraform modules to stand up Azure and AWS infrastructure and crafted Ansible roles to standardise VM deployments. Implemented a Python integration to pull IP address space from IPAM, calculate free IP space and assign addressing for automated pipelines. Established a self-hosted Netbird mesh network at scale on AKS, with customer nodes provisioned via a Terraform module generating policies and keys via the Netbird API. Leveraged extensive networking knowledge (BGP) to design a Cross-Cloud Landing Zone between Azure and AWS. Part of an MOD speciality team troubleshooting DNS problems across the MOD estate.

Senior Infrastructure Analyst at Principality Building Society

Architected and implemented components for a multi-million transformation programme, focusing on virtualization and network modernization. Utilised VMware and NSX within an AGILE/SCRUM framework. Managed Linux CI/CD build machines for deployments to Azure DevOps Pipelines. Designed and deployed AVI/VMware Advanced Load Balancer with Infrastructure as Code, migrating services from F5 to AVI using Ansible. Implemented multi-zone NSX network topology (OSPF/BGP) and developed self-curated PowerShell for automation. Designed and implemented a multi-tier Distributed Firewall policy inside NSX, using PowerCLI/PowerNSX to programmatically configure networking and DFW. Set up network infrastructure to support migration to Azure and hybrid cloud capabilities.

Senior Network Security Engineer at Airbus Defence & Space

Lead Network Engineer on a 3rd line team handling escalated fault calls and delivering technical designs. Owned networks serving multiple government organisations with around 10,000 users. Planned and deployed Linux VMs to manage infrastructure and networking space, including IPAM and monitoring tools. Created and maintained comprehensive systems and application documentation.

Senior Network Security Engineer at CGI

Senior member on a 3rd line team clearing escalated fault calls, changes and project designs. Planned and upgraded the estate of 20 CheckPoint firewall pairs. Produced and implemented high- and low-level design documents based on project specifications. Troubleshot network performance, created impact analyses and solutions. Administered and maintained multiple firewalls including Cisco ASA, Checkpoint, Fortigate, Fortinet, Juniper SRX and McAfee Sidewinders.

Senior Network Security Engineer - Consultant at SecureNet Communications

Projects team across a variety of vendors and implementations. Designed and built a multi-tier DMZ for proxy egress for Airbus D&S. Produced and implemented high- and low-level design documents. Helped customers solve troublesome, highly complex issues.