C

Senior Cloud Network Engineer

CloudLinux • Montenegro
Remote
This Job is No Longer Active This position is no longer accepting applications

CloudLinux is hiring a Senior Cloud Network Engineer to own and evolve the network layer of their hybrid infrastructure. This is a technical ownership role with real architecture ownership, requiring strong BGP and routing fundamentals, IPsec, VPN, and site-to-site connectivity experience, and deep Linux networking knowledge.

Key Highlights
Design and operate reliable cross-DC and hybrid connectivity
Own network changes end to end: design, risk assessment, peer review, rollout, monitoring, validation, rollback, and post-change notes
Debug and resolve production incidents involving Linux networking, BIRD/FRR, strongSwan, Juniper JunOS, firewalls, Cloudflare, DNS, MTU/MSS, asymmetric routing, NAT/conntrack, packet loss, Kubernetes CNI behavior, and provider constraints
Key Responsibilities
Design and operate reliable cross-DC and hybrid connectivity across IPsec, BGP, routing policy, firewalling, DNS, Cloudflare, provider networking, and cloud connectivity
Build highly available network paths across data centers, public cloud providers, OpenNebula, Kubernetes/Talos, and bare-metal infrastructure
Own network changes end to end: design, risk assessment, peer review, rollout, monitoring, validation, rollback, and post-change notes
Replace fragile manual patterns with documented, observable, repeatable services using Git review, automation, scripts, source-of-truth data, and monitoring
Debug and resolve production incidents involving Linux networking, BIRD/FRR, strongSwan, Juniper JunOS, firewalls, Cloudflare, DNS, MTU/MSS, asymmetric routing, NAT/conntrack, packet loss, Kubernetes CNI behavior, and provider constraints
Maintain architecture documents, topology diagrams, HLD/LLD specs, runbooks, disaster recovery procedures, configuration snapshots, IPAM/source-of-truth data, and operational handoff material
Technical Skills Required
BGP Routing fundamentals IPsec VPN Site-to-site connectivity Linux networking TCPdump Nftables/Iptables Conntrack System networking DNS behavior NIC/offload basics MTU/MSS troubleshooting Datacenter networking fundamentals VLANs LACP Switching Firewalls Optics/cabling awareness Maintenance windows Backup/recovery practices Cloud and provider networking experience VPC/VNet-style networks CIDR planning Route tables Security groups/NACLs/firewalls NAT/egress VPN Load balancers DNS Provider limitations Kubernetes networking fundamentals CNI Services Ingress NetworkPolicy Node/pod/service paths Egress control DNS Load balancing Packet-level troubleshooting Network observability and performance mindset Telemetry Flow logs Synthetic checks Bandwidth and latency analysis Packet loss Jitter Saturation Provider or appliance limits Network security operations Segmentation Firewall rule lifecycle Least privilege AAA concepts Secrets handling Safe maintenance-window discipline Infrastructure automation using scripting APIs Ansible Terraform/OpenTofu Git-based reviews Repeatable rollouts Configuration validation
Benefits & Perks
Paid 24 days of vacation per year
10 days of national holidays
Unlimited sick leaves
Compensation for private medical insurance
Co-working and gym/sports reimbursement
Budget for education
The opportunity to receive a reward for the most innovative idea that the company can patent
Nice to Have
Juniper JunOS, QFX/EX/SRX platforms, EVPN/VXLAN, MLAG/MC-LAG, ECMP, or leaf-spine network topologies
BIRD/FRR, anycast routing, RPKI/ROA/ROV validation, IRR, bogon filtering, route-leak mitigation, or public BGP routing operations
Network automation and documentation platforms such as NetBox/Nautobot, Oxidized, GitLab CI/CD, Batfish, containerlab, pyATS, NAPALM, or SuzieQ
Hetzner, Cloudflare Zero Trust/DNS/LB/WAF, AWS Transit Gateway, Direct Connect concepts, PrivateLink/VPC endpoints, or Route 53
Cilium, Calico, MetalLB, Gateway API, service mesh concepts, OpenNebula networking, Ceph/storage networking, IPv6/dual-stack, DDoS-aware design, SLOs, postmortems, or safe firewall governance

Job Description

build Linux, security, and enterprise infrastructure products used by hosting providers, software vendors, and engineering teams around the world. The Infrastructure team runs the platforms behind that work: data centers, public cloud providers, OpenNebula, Kubernetes/Talos, Ceph, CI/CD, observability, identity and access systems, and internal services.We are hiring a hands-on
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