HPC & Low-Latency Data Center Network Engineer

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

Job summary

COLSA Corporation seeks a Network Engineer to support MSIC in Huntsville, AL, handling high-performance data center networking, SDN, and HPC connectivity. You will design and tune lossless fabrics, integrate with virtualization platforms, and ensure DoD security standards are met.

Responsibilities include configuring BGP/OSPF/EVPN across multi-vendor gear, optimizing QoS/PFC/ECN, and leveraging Python/Ansible for automation. Must be a US citizen with TS/SCI eligibility.

Qualifications

• Bachelor’s degree (or higher) in Network Engineering, Computer Science, or related technical field, or equivalent experience.
• Minimum of 1–12 years of related experience; position may be filled at varying levels based on experience.
• 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 Special Access Program (SAP) eligibility and maintain program access as required.
• U.S. Citizenship required. Must possess, or be able to obtain and maintain, a DoD Top Secret clearance with SCI eligibility, including successful completion of a Counterintelligence (CI) Polygraph within 180 days of the start date.

Responsibilities

• Design, deploy, and manage Cisco ACI environments (Multi-Pod & Multi-Site) across high-density routing/switching.
• Engineer and tune InfiniBand and RoCEv2 fabrics for ultra-low latency workloads.
• Configure, audit, and troubleshoot BGP, OSPF, and EVPN overlays across multi-vendor gear.
• Optimize QoS, PFC, and ECN for lossless traffic flow and performance.
• Integrate fabrics with VMware NSX, KVM, Nutanix, and NVMe-oF storage networks.
• Forecast bandwidth demands using telemetry; leverage Python and Ansible for automation and consistency.
• Ensure architectures align with DoD security baselines and DISA STIGs.

Skills

Network engineering

Data center networking

Automation scripting

Security compliance

Education

Bachelor's degree or higher in related field

Tools

Cisco Nexus

Arista

NVIDIA networking

InfiniBand

VMware NSX

Python

Ansible

Terraform

KVM

Nutanix

Job description

COLSA Corporation seeks a Network Engineer to support MSIC in Huntsville, AL, handling high-performance data center networking, SDN, and HPC connectivity. You will design and tune lossless fabrics, integrate with virtualization platforms, and ensure DoD security standards are met.

Responsibilities include configuring BGP/OSPF/EVPN across multi-vendor gear, optimizing QoS/PFC/ECN, and leveraging Python/Ansible for automation. Must be a US citizen with TS/SCI eligibility.