COLSA Corp. is hiring: Network Engineer (MSIC) Huntsville, AL in Huntsville
COLSA Corp., Huntsville, AL, United States
This Network Engineer is responsible for the architecture, deployment, and optimization of high-performance data center networks. This role bridges the gap between traditional enterprise networking and innovative High-Performance Computing (HPC) environments. You will be the primary authority on low-latency fabrics, managing the physical and logical pathways that power large-scale virtualization clusters and AI/ML workloads. The ideal candidate treats the network as a high-speed highway, ensuring zero-packet-loss delivery for data-intensive applications.
Responsibilities
Design and maintain Cisco ACI (Application Centric Infrastructure) environments, including Multi-Pod and Multi-Site connectivity.
Deploy and tune InfiniBand (Subnet Managers, Leaf/Spine topology) and RoCEv2 (RDMA over Converged Ethernet) to support low-latency requirements.
Configure and troubleshoot complex BGP, OSPF, and EVPN-VXLAN deployments across a multi-vendor landscape.
Optimize Quality of Service (QoS) and Priority Flow Control (PFC) to prevent congestion in RDMA-heavy environments.
Collaborate with systems teams to integrate networking with VMware NSX, KVM, or Hyper‑V, ensuring seamless East‑West traffic flow.
Analyze telemetry data to forecast bandwidth needs for massive data ingest and high‑speed storage arrays (NVMe‑oF).
Required Experience
Required Qualifications
Bachelors Degree in computer science or related field or equivalent experience
Minimum of 1 to 15 years of related experience
Enterprise/Data Center networking with a focus on spine‑leaf architectures
Proficiency with high‑density switching platforms (e.g., 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 start date
Preferred Qualifications
Enterprise/Data Center networking with a focus on spine‑leaf architectures.
Active DoD Top Secret Clearance with SCI and a Counterintelligence (CI) Polygraph with willingness to meet Special Access Program (SAP) eligibility requirements
CCNA Routing & Switching or higher, Nivida Networking, etc.
Demonstrated experience with HPC Clusters.
Knowledge of NVMe over Fabrics (NVMe-oF) and Fiber Channel over Ethernet (FCoE)
Ability to manage network state using Ansible, Terraform, or Python (Netmiko/NAPALM).
Direct experience implementing RoCEv2 in a Lossless Ethernet environment using DCB/PFC.
Nutanix, KVM, Citrix, or similar.
COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.
The salary range, if referenced, represents a good faith estimate. COLSA considers various factors when determining base salary offers, but not limited to, location, the role, function and associated responsibilities, a candidate’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements.
COLSA offers a comprehensive and customizable benefits program which includes Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability, Accidental Death & Dismemberment, Supplemental Income Protection Programs, 401(k) with company match, Flexible Spending Accounts, Employee Assistance Program, Education & Certification Reimbursement, Employee Discount Program, Paid Time Off and Holidays.
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Responsibilities
Design and maintain Cisco ACI (Application Centric Infrastructure) environments, including Multi-Pod and Multi-Site connectivity.
Deploy and tune InfiniBand (Subnet Managers, Leaf/Spine topology) and RoCEv2 (RDMA over Converged Ethernet) to support low-latency requirements.
Configure and troubleshoot complex BGP, OSPF, and EVPN-VXLAN deployments across a multi-vendor landscape.
Optimize Quality of Service (QoS) and Priority Flow Control (PFC) to prevent congestion in RDMA-heavy environments.
Collaborate with systems teams to integrate networking with VMware NSX, KVM, or Hyper‑V, ensuring seamless East‑West traffic flow.
Analyze telemetry data to forecast bandwidth needs for massive data ingest and high‑speed storage arrays (NVMe‑oF).
Required Experience
Required Qualifications
Bachelors Degree in computer science or related field or equivalent experience
Minimum of 1 to 15 years of related experience
Enterprise/Data Center networking with a focus on spine‑leaf architectures
Proficiency with high‑density switching platforms (e.g., 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 start date
Preferred Qualifications
Enterprise/Data Center networking with a focus on spine‑leaf architectures.
Active DoD Top Secret Clearance with SCI and a Counterintelligence (CI) Polygraph with willingness to meet Special Access Program (SAP) eligibility requirements
CCNA Routing & Switching or higher, Nivida Networking, etc.
Demonstrated experience with HPC Clusters.
Knowledge of NVMe over Fabrics (NVMe-oF) and Fiber Channel over Ethernet (FCoE)
Ability to manage network state using Ansible, Terraform, or Python (Netmiko/NAPALM).
Direct experience implementing RoCEv2 in a Lossless Ethernet environment using DCB/PFC.
Nutanix, KVM, Citrix, or similar.
COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.
The salary range, if referenced, represents a good faith estimate. COLSA considers various factors when determining base salary offers, but not limited to, location, the role, function and associated responsibilities, a candidate’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements.
COLSA offers a comprehensive and customizable benefits program which includes Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability, Accidental Death & Dismemberment, Supplemental Income Protection Programs, 401(k) with company match, Flexible Spending Accounts, Employee Assistance Program, Education & Certification Reimbursement, Employee Discount Program, Paid Time Off and Holidays.
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