System Administrator supporting a federal client in managing secure cloud - based solutions, focusing on AWS and compliance. Role involves system engineering and support for AWS services.
About the role
- Senior System Administrator responsible for designing and maintaining network infrastructure for Nomad Digital. Leading technical operations across VMware, Azure, and Linux systems.
Responsibilities
- Design, implement, and maintain Nomad's global network and server infrastructure, including data centres, VMware, and Azure cloud environments.
- Automate infrastructure provisioning, configuration, and management using tools such as Ansible or Puppet.
- Configure and manage network security, including FortiGate firewalls, Linux based firewalls, VPNs, and routing protocols like BGP.
- Administer and secure Linux-based systems (Ubuntu/Debian).
- Serve as a 3rd line escalation point for complex infrastructure incidents, performing deep-dive troubleshooting and root cause analysis.
- Develop, maintain, and proactively analyse infrastructure monitoring solutions (e.g., Zabbix) to identify bottlenecks, optimise resource utilisation, and ensure system reliability.
- Manage and support containerised applications using Kubernetes, including cluster administration and lifecycle management.
- Create and maintain comprehensive documentation for infrastructure architecture, standard operating procedures, and disaster recovery plans.
- Collaborate with InfoSec teams to conduct security audits and implement remediation plans based on security best practices (e.g., OWASP Top 10).
- Drive continuous improvement by evaluating, prototyping, and recommending new technologies and automation opportunities to modernise the infrastructure.
- Guide and mentor engineers on technical best practices, contributing to their skill development and the overall capability of the team.
- Translate business requirements into robust technical solutions, effectively communicating the design, risks, and impact to both technical and non-technical stakeholders.
Requirements
- RHCE or equivalent experience
- CCNA or equivalent networking experience
- Kubernetes Certified Administrator or equivalent experience
- 5 years minimum experience configuring and maintaining network infrastructure
- Linux based systems: Ubuntu/Debian
- Automation tools such as Puppet, Ansible etc
- Security knowledge, OWASP top 10, NMAP scanning
- Data center Infrastructure
- Asset management
- Monitoring solutions like Zabbix
- VMWare
- FortiGate Firewalls
- Routing protocols such as BGP
- VPN management and deployment
- Azure infrastructure management
- Good communication, planning and co-ordination skills
- The ability to work as both an independent problem solver and support the wider team
- The ability to adapt to fit the demands of the business
- Ability to learn on the job.
Benefits
- Health Care Cash Plan
- Life Cover & Critical Illness Cover
- Contributory Pension Scheme via Aviva
- 25 Days of Annual Leave with enhanced leave based on tenure
- Option to buy an extra 5 days of annual leave per year
- Employee Referral Scheme / Employee Recognition Schemes
- Company Sick Plan
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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