System and Networks Administrator

Based in either our London or Reading office, the System and Networks Administrator will support global IT infrastructure, including cloud deployments. This hands-on role covers IT support, network administration, and security management to ensure optimal system performance. Occasional travel to Japan, the US, and other offices may be required., IT Support & User Management

• Provide first-line IT support and maintain user accounts and software licences.

Network & Infrastructure

• Maintain, upgrade, and monitor on-premises and cloud networks.
• Configure and manage VPNs, VLANs, and firewalls.

Security & Compliance

• Ensure systems meet Cyber Essentials and internal security standards.
• Maintain documentation, asset registers, and IT procedures.

• Certifications: CCNP or JNCIP; RHCE; Red Hat Certified Specialist in Security.
• Experience: 3+ years in a similar role, ideally in ISP or telecom environments.
• Strong background in Linux server administration (on-prem and cloud), including RHEL, OpenShift, VMware, and Azure.
• Proficiency with Cisco, Juniper, Fortinet, and open-source tools such as FRR.
• Skilled in VPN, VLAN, firewall configuration, and network monitoring.
• Experience deploying services such as LDAP, DNS, SFTP, and Mail on Linux/Windows.
• Competent with scripting (Bash, Python, Ansible) and intrusion detection tools.
• Solid troubleshooting across routing, switching, and storage management (MPLS, BGP, OSPF, VLANs, VXLAN, LVM, XFS)., * Excellent written and verbal communication skills.
• Strong stakeholder engagement in fast-paced environments.
• Expertise in IP routing, VPNs, firewalls, and network troubleshooting.
• Skilled in installation, configuration, patching, and system hardening., * Azure, AWS, or GCP certification.
• Cybersecurity or ISO27001 training.
• Experience with Grafana, Prometheus, ElasticSearch, and authentication (AD, LDAP).