Job Title: Senior DevOps Systems Administrator

Location: Guildford

Working Pattern: Hybrid

Contract Type: Full Time - Permanent

Company

Our client is an award-winning, privately owned value-added reseller and systems integrator, established in 1984 and headquartered in Guildford, Surrey. They partner with leading technology providers, including 8x8, BT, Calabrio, Five9, Fortinet, Microsoft, Mitel, and Zoom, delivering advanced technology that supports their vision of a connected and sustainable future.

More than just a reseller, our client differentiates themselves through in-house software development, strong professional services capability, and a consultative engagement model. Their teams specialise in business communications and collaboration, contact centre and unified communications solutions networking, AI, automation, and systems integration.

They focus on creating value, mitigating risk, and establishing long-term, trust-based customer partnerships.

Role Description

Our client is seeking an experienced and proactive DevOps professional who is looking to take ownership of infrastructure and cloud platforms within a growing technology environment.

Reporting to the Infrastructure and Operations leadership, the Senior DevOps Systems Administrator will play a key role in designing, deploying, automating, and supporting Britannic’s hybrid cloud infrastructure. This is a hands-on role that combines technical leadership, automation, reliability, and security, with the opportunity to influence how systems are built and operated across the business.

Role Responsibilities

• Design, deploy, and support scalable infrastructure across AWS and private cloud environments

• Architect and maintain robust hybrid cloud solutions that support business growth and high availability

• Automate infrastructure provisioning and configuration using Infrastructure-as-Code tools such as Terraform and Ansible

• Build, maintain, and improve CI/CD pipelines using GitHub Actions (or similar tooling) to enable safe and efficient deployments

• Implement and maintain observability and monitoring solutions, including Grafana, Prometheus, and AWS CloudWatch

• Manage and secure cloud and network environments, including IAM, firewalls, VPNs, and hybrid networking

• Participate in an on-call rota and respond to incidents, ensuring timely resolution and system resilience

• Collaborate with development and engineering teams to improve system reliability, security, and performance

• Produce and maintain clear technical documentation to support best practices and knowledge sharing

Essential Skills & Experience

• Proven experience in a DevOps or Systems Administration role

• Strong hands-on experience with AWS in production environments

• Experience working with hybrid cloud or private cloud platforms such as VMware or Proxmox

• Strong Linux administration skills (Ubuntu-based systems preferred)

• Infrastructure automation using Terraform and Ansible

• CI/CD pipeline development and management (e.g. GitHub Actions or similar)

• Containerisation and orchestration technologies, including Docker and Kubernetes (e.g. EKS)

• Scripting experience using Bash, Python, or Go

• Networking and cloud security fundamentals, including IAM, firewalls, and VPNs

• Excellent written and verbal communication skills, with the ability to work effectively across technical and non-technical teams

Additionally: Excellent written and verbal communications skills, both when dealing with technical and non-technical audiences, are also essential for this role. 

Desirable Skills & Experience

 Knowledge/experience of the following would prove advantageous for this role: 

• AWS certifications

• Security scanning and vulnerability tools such as Trivy

• Advanced Kubernetes management and GitOps tools (e.g. ArgoCD)

• Experience supporting high-availability or mission-critical systems