Network Engineer – HPC & Low-Latency Data Center

Colsa; Huntsville (AL); On-site; USD 90,000 - 130,000; Full time

Job summary

COLSA Corporation seeks a Network Engineer to support the Missile and Space Intelligence Center in Huntsville, AL. The role focuses on high-performance data center networking, low-latency fabrics, and large-scale virtualization with NVMe-oF storage, in support of DoD mission workloads.

You will manage multi-vendor leaf-spine topologies, automate configurations with Python/Ansible, and ensure compliant security baselines. CS/Networking degree and TS eligibility required.

Qualifications

• Bachelor’s degree (or higher) in Network Engineering, Computer Science, or related field, or equivalent experience.
• Minimum of 2–5 years of related experience; level based on experience.
• Direct experience with Arista routers, switches, and Cloud Vision.
• Direct experience migrating networks between major manufacturers with focus on Arista migration.
• Experience with enterprise and/or data center networking environments.
• Proficiency with high-density switching platforms such as Cisco Nexus, Arista, or NVIDIA.
• Active/current CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline certification.
• Ability to obtain SAP eligibility and maintain program access.
• U.S. Citizenship and ability to obtain DoD Top Secret clearance with SCI eligibility and CI polygraph within 180 days.

Responsibilities

• Fabric Architecture & SDN: Design, deploy, and maintain Cisco ACI environments across high-density routing and switching platforms.
• Low-Latency & HPC Connectivity: Engineer InfiniBand and RoCEv2 fabrics for ultra-low-latency workloads.
• Protocol & Routing Management: Configure and troubleshoot BGP, OSPF, EVPN across multi-vendor infra.
• Lossless Performance Tuning: Optimize QoS, PFC, and ECN for lossless traffic flow.
• Hypervisor & Storage Integration: Integrate fabrics with VMware NSX, KVM, Nutanix and NVMe-oF storage networks.
• Capacity Planning & Automation: Analyze telemetry to forecast bandwidth; use Python/Ansible for state control.
• Security & Compliance: Adhere to DoD baselines, DISA STIGs, and security standards.

Skills

US Citizenship

Security clearance

Network engineering

Education

Bachelor’s degree in Networking or related field

Tools

Arista

Cisco Nexus

NVIDIA/NVIDIA Mellanox

VMware NSX

NVMe-oF

Ansible

Python

Job description

COLSA Corporation seeks a Network Engineer to support the Missile and Space Intelligence Center in Huntsville, AL. The role focuses on high-performance data center networking, low-latency fabrics, and large-scale virtualization with NVMe-oF storage, in support of DoD mission workloads.

You will manage multi-vendor leaf-spine topologies, automate configurations with Python/Ansible, and ensure compliant security baselines. CS/Networking degree and TS eligibility required.