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COLSA

Network Engineer (MSIC)

COLSA Huntsville, Alabama, United States

Defense and Space Manufacturing · 1,001-5,000 employees

Oct 08
network-engineer Principal (10+ yrs) Full-time United States
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About the role

The Network Engineer will design, deploy, and optimize high-performance data center network architectures to support mission-critical HPC and AI/ML workloads. Responsibilities include maintaining lossless network performance, managing complex routing protocols, and ensuring compliance with DoD security standards.

What they look for

Network Engineering Cisco ACI InfiniBand RoCEv2 BGP OSPF EVPN Cisco Nexus Arista NVIDIA VMware NSX Python Ansible Network Automation Data Center Architecture Lossless Performance Tuning

Requirements

Candidates must hold a bachelor's degree in a technical field and possess 1-12 years of relevant experience in enterprise or data center networking. Applicants must be U.S. citizens capable of obtaining and maintaining a DoD Top Secret clearance with SCI eligibility.

Full description

COLSA Corporation is seeking a Network Engineer to support the Missile and Space Intelligence Center (MSIC) in Huntsville, AL. This position supports high-performance data center network architecture, deployment, and optimization, bridging traditional enterprise networking and specialized High-Performance Computing (HPC) environments. The role manages the physical and logical pathways that support low-latency fabrics, large-scale virtualization clusters, and high-density AI/ML and compute workloads.

The Network Engineer is responsible for maintaining highly reliable, lossless network performance across multi-vendor leaf-spine topologies and high-throughput data pipelines.

  • Fabric Architecture & SDN: Design, deploy, and maintain Cisco ACI environments, including Multi-Pod and Multi-Site configurations, across high-density routing and switching platforms.

  • Low-Latency & HPC Connectivity: Engineer and tune InfiniBand and RoCEv2 fabrics to support ultra-low-latency requirements for data-intensive mission workloads.

  • Protocol & Routing Management: Configure, audit, and troubleshoot complex BGP, OSPF, and EVPN overlay deployments across multi-vendor infrastructure, including Cisco Nexus, Arista, and NVIDIA/Mellanox.

  • Lossless Performance Tuning: Optimize Quality of Service (QoS), Priority Flow Control (PFC), and Explicit Congestion Notification (ECN) to support lossless traffic flow and consistent network performance.

  • Hypervisor & Storage Integration: Integrate network fabrics with virtualization platforms, including VMware NSX, KVM, and Nutanix, and high-speed storage networks such as NVMe-oF to support high-throughput East-West traffic.

  • Capacity Planning & Automation: Analyze network telemetry to forecast bandwidth demands for large-scale data ingestion and leverage network automation tools, including Python and Ansible, to enforce configuration consistency and state control.

  • Security & Compliance: Ensure network architectures adhere to DoD security baselines, DISA STIGs, and operational security standards required for classified processing environments.

At COLSA, people are our most valuable resource and are at the center of our core values. We invite you to unite your talents with opportunity and become part of our “Family of Professionals!” Learn more about our employee-centric culture and benefits here: https://colsa.com/culture_benefits/

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