Networking Subject Matter Expert (OpenShift Virtualization)

Job Title-: Networking Subject Matter Expert (OpenShift Virtualization)
Location-: Remote
Duration-: 2 Months (~4 weeks of onboarding expected)

Description:
Cisco Network Programmability Design and Implementation Specialist Senior Consultant

Position Requirements
Background check, which includes fingerprinting for US candidates 

Key Qualifications
Networking Fundamentals

• Hands-on L2/L3 network engineering: VLANs, routing, physical switch integration
• Routing protocols: BGP, OSPF, static routing, route redistribution
• Expert Linux networking — bridges, bonds (LACP/active-backup), namespaces, iptables/nftables, policy-based routing
• Packet-path troubleshooting via tcpdump, Wireshark, OVS flow tracing
• SR-IOV / hardware offload: VF/PF config, IOMMU, BIOS/firmware prerequisites for NIC passthrough
• Network security design: firewall zones, east-west/north-south policy, micro-segmentation
• Spine-leaf / Clos fabric design principles
• VXLAN overlay networking
• Data center interconnect (DCI) — stretching L2/L3 across sites
• Top-of-Rack (ToR) / End-of-Row (EoR) switch architecture

OpenShift & Kubernetes Networking (including Virtualization) 

• OVN-Kubernetes architecture (NB/SB DBs, logical switches/routers, overlay vs. localnet)
• UDN/CUDN for tenant network isolation; EVPN for L2/L3 extension across physical/virtual boundaries
• Cross-cluster connectivity and multi-cluster service/pod reachability
• Multus CNI and NetworkAttachmentDefinitions for multi-homed pod/VM networking
• NMState Operator: declarative host networking (NNCP), bond/bridge/VLAN, rollback
• SR-IOV Network Operator: VF allocation, device plugin for DPDK/latency-sensitive workloads
• MetalLB (BGP/L2), NetworkPolicy/AdminNetworkPolicy, eBPF-based Network Observability
• VM networking: bridge vs. masquerade binding, hot-plug/multi-NIC, secondary attachments
• Live migration architecture: VLAN/subnet design, bandwidth sizing, MTU/policy tuning
• IPAM/MAC management: cloud-init NetworkData, secondary-network DHCP, KubeMacPool
• VMware-to-OpenShift migration: vSphere DSwitch/NSX → NAD/localnet, IP/MAC preservation via MTV
• End-to-end troubleshooting: virtio NIC → veth → bridge/OVS → overlay → physical uplink

Preffered qualification

• Professional Experience delivering consulting engagements in regulated enterprise environments (financial services, healthcare, government)
• Strong documentation and knowledge transfer skills — produces architecture decision records, runbooks, and operational playbooks
• Ability to work across teams: network engineering, platform/infrastructure, security, and application development
• Preferred certifications: RHCE, EX280, DO316, DO282, CCNA/CCNP/CCIE, CCNP Enterprise/Data Center, CKA

 
 
At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws.This position's pay range is $90.00/hr - $104.00/hr.