Network Administrator

• Own and operate the full network estate (~25 devices) across a primary datacenter, DR colocation site, and hybrid cloud (Hetzner), including BGP routing for a /24 IPv4 block with dual ISPs.
• Configure, maintain, and secure Juniper, Cisco, Fortinet, and OPNsense platforms to meet strict availability, performance, and security SLAs.
• Manage firewall policies, oversee ISP-managed IDS, and ensure ongoing PCI-DSS compliance with full audit documentation.
• Maintain and enhance monitoring (LibreNMS, Prometheus, Loki or similar), proactively detect issues, and respond rapidly to incidents, including participation in a compensated on-call rotation.
• Mentor a junior network administrator and coordinate with ISPs, datacenters, vendors, and international internal teams.

Minimal requirements:

• 4–7 years of hands-on experience as a Network Administrator.
• Strong experience with Juniper, Cisco, Fortinet, and/or OPNsense.
• Solid understanding of BGP, routing, and WAN connectivity.
• Proven firewall and network security experience.
• Experience with VPN, IPSec, and secure tunneling.
• Familiarity with monitoring stacks (LibreNMS, Prometheus, Loki, or similar).
• Experience with load balancing (HAProxy or similar).
• Excellent troubleshooting, judgment, and ownership mindset.
• Fluency in Lithuanian and professional proficiency in English.

Nice to have qualifications:

• Experience with PCI-DSS or similar regulatory frameworks.
• Background in financial services or regulated industries.
• Experience supporting multi-datacenter environments.
• Exposure to network automation (Ansible, Terraform).
• Experience mentoring or training junior engineers.

• Hybrid work setup.
• Additional health insurance.
• Global team – daily collaboration with talented colleagues from several countries and cultures.
• On-site perks – modern workspace featuring standing desks, modern computers and an equipped gym.
• Low-bureaucracy culture – a collaborative, people-first environment where support beats red tape.