Network & Cloud Infrastructure Engineer - TS/SCI with CI Polygraph

Modern Government Solutions • McLean, VA

11d • Onsite

About The Position

Modern Government Solutions (MGS) is seeking a Network & Cloud Infrastructure Engineer to design, deploy, and automate next-generation network infrastructure supporting AI and containerized workloads. This role blends cloud systems engineering, automation, and advanced networking to deliver secure, high-performance environments that integrate traditional hardware (routers, switches, firewalls) with Software-Defined Networking (SDN) technologies and the OpenShift Container Platform (OCP). You'll be part of a mission-driven engineering team ensuring scalability, resilience, and security across complex classified infrastructure.

Requirements

• Must possess an active Department of Defense (DoD) TS/SCI clearance with Counterintelligence polygraph.
• Bachelor's degree in Computer Science , Engineering, or related field (or equivalent experience).
• 5+ years of experience designing, deploying, and automating enterprise or cloud network infrastructure.
• Proficiency in Python or Go for programming/scripting .
• Strong hands-on e xperience with automation frameworks (specifically Ansible) to automate network configurations .
• Experience with networking protocols and APIs , ideally Open vSwitch and/or RESTful APIs for network devices and services .
• Proficiency in ne twork topologies and architectures (VLAN, LAN, WAN ) .
• Experience operating and troubleshooting network routing, interconnectivity, performance, and configuration issues .
• Linux systems experience (implied under network troubleshooting and application interaction) .
• Ability to communicate effectively with technical and non-technical stakeholders .
• Strong time management skills in a fast-paced environment .

Nice To Haves

• Experience with SONiC and/or Cumulus Network Operating Systems (NOS) .
• Experience with rail-optimized technology .
• Experience with OpenShift networking , including: Open vSwitch (OVS) / Open Virtual Network (OVN) Kubernetes Container Network Interface (CNI) MetalLB Operator (for load balancing) Red Hat OpenShift Service Mesh Network Observability Operator
• Experience collaborating with a Network Architect for deployment and sustaining infrastructure .

Responsibilities

• Design, deploy, and optimize secure, high-performance network infrastructure across on-premises and OpenShift environments.
• Automate provisioning, configuration, and operations using tools such as Ansible, Python, and Go, applying Infrastructure-as- Code best practices.
• Integrate traditional network hardware (routers, switches, firewalls) with SDN and container-based networking solutions such as Open vSwitch (OVS), OVN, SONiC , or Cumulus NOS.
• Manage and troubleshoot network connectivity and performance across Linux-based and containerized systems.
• Support OpenShift/Kubernetes networking, including CNI plugins, MetalLB , and Service Mesh configuration.
• Implement observability and performance monitoring across the full network stack, leveraging tools such as the OpenShift Network Observability Operator.
• Collaborate with network architects, systems engineers, and operations teams to deliver scalable, compliant, and sustainable infrastructure solutions.
• Maintain detailed technical documentation, standards, and operational procedures to ensure consistency and compliance.
• Contribute to modernization efforts by applying innovative technologies and best practices from Top of Rack to Network Border.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level