Network Engineer

Job Title: Network Engineer
Pay Rate: $138,000 - $231,000 DoE
Location: Hillsboro, OR
Zip Code: 97003
Start Date: Right Away
Job Type: Direct Hire
Schedule: Onsite/Hybrid (as required)
Keywords: #k3s #kubernetes #multus #cilium #calico #networkengineer #linuxnetworking

*Must be a U.S. Citizen or Permanent Resident/Green-Card Holder

RESPONSIBILITIES
* Design and implement networking for K3s hybrid clusters across x86, ARM, and accelerator-based systems.
* Support multi-interface and multi-network configurations.
* Configure, extend, and optimize CNI plugins, focusing on Multus and Cilium/Calico.
* Enable workloads requiring VLAN-backed networks, SR-IOV, or multiple interfaces.
* Deploy and manage bare-metal load balancers such as MetalLB or BGP-based solutions.
* Develop custom Kubernetes controllers/operators to manage networking resources such as IP pools, VLAN assignments, and DNS records.
* Automate network provisioning and reconciliation across hybrid hardware environments.
* Ensure CRDs and operators integrate cleanly with GitOps workflows.
* Integrate cluster networking with upstream DNS servers for internal and external resolution.
* Manage IP address allocation across nodes, pods, and external interfaces.
* Implement IPAM solutions for hybrid and multi-tenant environments.
* Bridge cluster networking with underlay/overlay networks including VLANs and BGP.
* Ensure external VLANs can be safely consumed by workloads within K3s clusters.
* Collaborate with hardware teams on NIC configuration, firmware support, and consistent network naming.
* Implement network policies, encryption, and isolation across multiple CNIs.
* Integrate observability tools such as Cilium Hubble, Prometheus, and custom metrics.
* Ensure network paths comply with security and compliance requirements.
* Work with DevOps, SRE, and Hardware Engineering teams to align networking design with PaaS needs.
* Document networking architecture, CRDs, controllers, and operational runbooks.
* Provide knowledge transfer on advanced networking topics including Multus, VLANs, and bare-metal load balancing.

QUALIFICATIONS
* Bachelor"s degree in Computer Science, Computer Engineering, Software Engineering, or equivalent experience.
* 15+ years of software engineering experience with strong focus on Kubernetes/K3s networking.
* Hands-on experience with Multus CNI for multi-network attachment definitions.
* Strong knowledge of Cilium or Calico for advanced networking, security, and observability.
* Experience with bare-metal load balancers such as MetalLB and BGP.
* Proficiency in developing Kubernetes controllers/operators in Go (controller-runtime, Kubebuilder, Operator SDK).
* Experience with IP address management (IPAM), DHCP, and DNS integration.
* Experience configuring VLANs and bridging external networks into Kubernetes.
* Strong Linux networking experience (netlink, iproute2, eBPF tools).
* Strong debugging skills for pod, node, and external networking issues.
* Security expertise in multi-network Kubernetes environments (RBAC, network policies, encryption).

If you are interested in this role, please apply via the apply now link provided. Our overriding goal is to provide quality staffing solutions that help people, organizations, and communities succeed. Belcan is a leading provider of qualified personnel to many of the world's most respected enterprises. We offer excellent opportunities for contract, temporary, temp-to-hire, and direct assignments. We are the employer of choice for thousands worldwide. For more information, please visit our website at Belcan.com

Belcan is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.