Senior Network Engineer (Linux)

Location: Copenhagen, Denmark; hybrid working model

Company

hirify.global provides an immutable, historical data archive and backup platform for services including Microsoft 365, Google Workspace, Salesforce, Entra ID, Dynamics 365, and Zendesk.

What you will do

• Own and evolve the data-center network architecture, including routing, switching, segmentation, and network topology.
• Design and operate load balancing, ingress, and traffic-management systems for high-volume data delivery.
• Define network reliability standards, runbooks, and change-management practices.
• Build network automation and observability using infrastructure-as-code and visibility into network paths.
• Manage VPN connectivity for management access to remote regions.
• Collaborate with SRE, Development, Operations, and Security teams to identify and resolve bottlenecks before incidents occur.

Requirements

• 5+ years of experience in Network Engineering, Network Reliability, or Infrastructure Engineering.
• Hands-on experience with routing and switching at scale, including BGP, OSPF, VLANs, and VXLAN/EVPN.
• Strong Linux networking fundamentals, including the kernel network stack, iptables/nftables, and tc.
• Experience with load balancing and reverse proxies such as Nginx or HAProxy.
• Proactive problem-solving skills and the ability to communicate network decisions clearly to engineers.
• English is the primary working language; CV submission in English is required.

Nice to have

• Network automation experience with Ansible, Terraform, or vendor APIs.
• Kubernetes networking experience, including CNI, service mesh, or ingress controllers.
• Network observability and flow-analysis experience with sFlow, NetFlow, or eBPF-based tools.
• Experience with DDoS mitigation, firewalling, perimeter security, multi-data-center networks, or hybrid cloud environments.

Culture & Benefits

• Hybrid work model with a flexible work-life balance.
• Competitive salary based on experience and skill set.
• Pension scheme.
• Global work environment with regular team-building activities.
• Professional development and career advancement opportunities.