Senior Platform Network Engineer — Kubernetes & DoD Security

Apex Systems; Radford (VA); Hybrid; USD 96,000 - 117,000; Full time

Job summary

Apex Systems is seeking a Platform Network Engineer to support a federal program in Radford, VA. You will design, automate, secure, and maintain a Kubernetes-based networking platform for containerized workloads across distributed environments.

The role requires five+ years of enterprise networking experience, strong Kubernetes networking skills, and IaC expertise (Ansible/Terraform). Candidates must be eligible for a DoD clearance; hybrid onsite work is expected.

Qualifications

• Senior-level network engineer with at least five years in enterprise environments.
• Strong experience with Kubernetes networking and cloud-native architectures.
• Experience with VXLAN, GENEVE, SD-WAN and related networking concepts.
• Experience with Cisco NX-OS, Palo Alto NGFW or similar.
• IaC experience with Ansible, Terraform or similar.
• Scripting experience with Python or Bash.

Responsibilities

• Collaborate with engineering teams to develop, maintain, and enhance a Kubernetes-based network architecture.
• Develop, deploy, and maintain Infrastructure as Code (IaC) solutions supporting Kubernetes networking deployment and sustainment.
• Provision networking foundations for customer namespaces, enclaves, and containerized workloads using automated IaC methodologies.
• Perform day-to-day administration of Kubernetes networking infrastructure, including patching, upgrades, and lifecycle management of networking components such as Calico, Cilium, and OVN-Kubernetes.
• Monitor network health, utilization, capacity, and performance while proactively identifying resource constraints and operational risks.
• Implement cloud-native network security best practices and government cybersecurity requirements.
• Troubleshoot and perform root cause analysis across Kubernetes networking, containerized workloads, routing, switching, and security components.
• Develop and maintain network documentation, architecture diagrams, topology diagrams, Kubernetes network configurations, and operational procedures.
• Provide on-call support for triage and resolution of production incidents.
• Recommend improvements to security, scalability, reliability, performance, and manageability across Kubernetes network environments.
• Support the implementation and maintenance of enterprise networking, firewalling, and secure connectivity solutions.
• Assist in designing resilient network architectures supporting highly available Kubernetes-hosted applications.

Skills

Kubernetes networking

Network engineering

Cloud-native networking

Python/Bash scripting

Education

Bachelor's degree or higher in IT/CS/Engineering/Network Engineering

Tools

Ansible

Terraform

Calico

Cilium

OVN-Kubernetes

Job description

Apex Systems is seeking a Platform Network Engineer to support a federal program in Radford, VA. You will design, automate, secure, and maintain a Kubernetes-based networking platform for containerized workloads across distributed environments.

The role requires five+ years of enterprise networking experience, strong Kubernetes networking skills, and IaC expertise (Ansible/Terraform). Candidates must be eligible for a DoD clearance; hybrid onsite work is expected.