Senior Cloud Systems Administrator

Job summary

Experienced Senior Cloud Systems Administrator to design, manage, and support cloud and network infrastructure across multiple client environments.

Qualifications

• Bachelor's degree in Computer Science, IT or a related discipline, or equivalent experience
• 7+ years of experience in cloud infrastructure, systems administration or infrastructure engineering
• Strong hands-on experience with AWS, Azure and/or GCP; multi-cloud experience is an advantage
• CCNA certification or equivalent hands-on networking experience
• Strong networking knowledge including TCP/IP, VLANs, subnetting/CIDR, NAT, VPNs, firewalls, OSPF and BGP
• Experience with Infrastructure as Code (IaC) using Terraform, CloudFormation, ARM templates or Ansible
• Experience with IAM and PAM solutions
• Scripting and automation skills using Python, Bash and/or PowerShell
• Experience with Docker, Kubernetes, CI/CD and monitoring tools
• Experience working with PSA, RMM or ITSM/ticketing platforms
• Strong troubleshooting skills and ability to manage multiple client environments and SLA priorities

Responsibilities

• Design, deploy and manage cloud infrastructure across AWS, Azure and/or GCP
• Administer network infrastructure including TCP/IP, VLANs, subnetting, BGP, OSPF, VPNs, firewalls and routing
• Manage hybrid cloud connectivity, including site-to-site VPN, Direct Connect and ExpressRoute
• Automate infrastructure provisioning using Terraform, CloudFormation, ARM templates and/or Ansible
• Implement and maintain IAM and Privileged Access Management (PAM) controls
• Monitor infrastructure availability, capacity and performance and resolve incidents within agreed SLAs
• Manage backup, disaster recovery and business continuity processes
• Support cloud security and compliance requirements, including ISO 27001, SOC 2 and PCI-DSS
• Optimise cloud infrastructure performance and costs
• Support CI/CD, Docker and Kubernetes environments
• Participate in client onboarding, infrastructure assessments and cloud migration projects
• Manage incidents and requests through PSA/RMM/ITSM platforms
• Maintain technical documentation, network diagrams and runbooks
• Communicate directly with clients and act as a technical escalation point
• Mentor junior administrators and participate in on-call support

Skills

Certifications

Degrees

Relocation