Senior Linux Engineer: Network Security & Firewall

Lancesoft Philippines; Metro Manila; On-site; PHP 900,000 - 1,200,000; Full time

Job summary

Lancesoft Philippines is seeking an experienced Linux Engineer to join our team in Metro Manila. You will lead Linux administration, network security, and firewall management, with hands-on work on RHEL/Linux systems and enterprise firewall technologies.

You will collaborate with Network, Security, DevOps, and Infrastructure teams in a complex enterprise environment to implement robust security and network solutions.

Qualifications

• Strong hands-on experience with Linux administration, including installation, configuration, patching, hardening, troubleshooting, and production support.
• Extensive experience with nftables & iptables, including firewall rules, packet filtering, NAT, and network troubleshooting.
• Strong knowledge of L2 Networking, routing, switching, VLANs, bridging, and Linux network configurations.
• Hands-on implementation experience with enterprise Firewall Technologies.
• Experience with modern infrastructure and network security technologies such as NixOS, GUIX/Immutable OS, Cilium, Suricata, and Zeek is highly preferred.
• Strong understanding of Network Security, Packet Analysis, Incident Troubleshooting, and Root Cause Analysis (RCA).
• Ability to collaborate effectively with Network, Security, DevOps, and Infrastructure teams in complex enterprise environments.

Skills

Linux administration

Networking

Network security

Incident troubleshooting

Root cause analysis

Team collaboration

Education

Bachelor's degree in a relevant field

Tools

nftables

iptables

NixOS

GUIX/Immutable OS

Cilium

Suricata

Zeek

Job description

Lancesoft Philippines is seeking an experienced Linux Engineer to join our team in Metro Manila. You will lead Linux administration, network security, and firewall management, with hands-on work on RHEL/Linux systems and enterprise firewall technologies.

You will collaborate with Network, Security, DevOps, and Infrastructure teams in a complex enterprise environment to implement robust security and network solutions.