topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP/IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise environments - must have Hands-on experience managing NAS systems and local storage solutions More ❯
topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP/IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise environments - must have Hands-on experience managing NAS systems and local storage solutions More ❯
topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP/IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise environments - must have Hands-on experience managing NAS systems and local storage solutions More ❯
london (city of london), south east england, united kingdom
Humanoid
topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP/IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise environments - must have Hands-on experience managing NAS systems and local storage solutions More ❯
London, England, United Kingdom Hybrid / WFH Options
Humanoid
topologies, procedures, and hardware assets. Expertise Proven experience in network engineering, including Wi-Fi setup, switching, routing, and network troubleshooting (TCP/IP, DNS, DHCP, VLANs, VPNs, PHY basics, iptables). Experience administering Linux-based local servers, file systems, and hardware configurations in lab or enterprise environments - must have Hands-on experience managing NAS systems and local storage solutions More ❯
and configuration management tools (Git, Subversion, Puppet, Ansible, etc.) to build efficient CI/CD pipelines. Set up and manage network services (Apache, NGINX, BIND, HAProxy, sendmail/postfix, iptables) and optimize them for performance and security. Leverage centralized logging solutions (ELK, etc.) for real-time monitoring, data analysis, and troubleshooting. Collaborate with cross-functional teams (including software engineers More ❯
RHEL). Apply patches, updates, and kernel upgrades, including iDRAC firmware updates. Implement security hardening measures to protect Linux systems against threats. Deploy and configure network interfaces, firewalls (e.g., iptables, firewalld), and VPNs. Administer storage solutions such as RAID configurations, LVM, and NFS. Set up backup and recovery systems using tools like Veeam. Perform server rack-and-stack installations. More ❯
issues Monitoring, maintenance, and administration of production systems Manage servers running Debian Linux and containerized workloads (Docker Swarm) Oversee replicated databases (MySQL) and volume management (LVM, ZFS) Configure firewalls (iptables/nftables) and routing protocols (BGP, OSPF) Participate in on-call support and resolve production outages Training will be provided on specific technologies used in our stack. Apply now More ❯
London, England, United Kingdom Hybrid / WFH Options
The Perl Programming Language
administration of our production stack: • Dell R630/R640 servers running Debian Linux and containerised workloads (Docker Swarm) • Replicated databases (MySQL) and volume management using LVM and ZFS • Firewall (iptables/nftables) and dynamic routing protocols (BGP, OSPF) • Participation in on-call rotation, and providing third line support with overall responsibility for resolving production outages. On-the-job training More ❯
You are experienced in the Linux network/server administration field in general, good knowledge of Debian system is a plus You possess good knowledge and experience of firewalls (iptables/pf/Juniper/Fortigate), VPN (OpenVPN/IPSec) and network layer 2/3 with HP/Juniper You are comfortable with at least one configuration management More ❯
to complete tasks independently and handle frequent context switches Scripting experience in bash and python preferred; SQL and Perl are a plus Knowledge of cybersecurity tools such as 2FA, iptables, Malwarebytes, fail2ban, etc. Ability to lift and move equipment weighing up to 50lbs Experience in a small-shop environment with varied responsibilities Comfortable with hands-on tasks like racking More ❯
Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail and you will be More ❯
Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail and you will be More ❯
London About Five Rings Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offices in New York, Boca Raton, London and Amsterdam, Five Rings More ❯
