Cloud Infrastructure & Systems Engineer - TS/SCI with Polygraph

Job DescriptionJob Description

TITLE: Cloud Infrastructure & Systems Engineer

LOCATION: Tysons, VA

CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph

EMPLOYMENT TYPE: Full-time, On-site

TRAVEL: Up to 30%

POSITION SUMMARY

Modern Government Solutions (MGS) is seeking a Cloud Infrastructure & Systems Engineer to help design, deploy, and optimize scalable network infrastructure supporting advanced workloads, including AI and containerized applications. You'll be part of a high-performing engineering team delivering secure, high-performance hybrid cloud environments, integrating traditional networking infrastructure with software-defined networking (SDN) technologies in OpenShift Container Platform (OCP) environments.

This role blends cloud systems engineering, automation, and network design to drive infrastructure innovation across classified environments.

RESPONSIBILITIES (not limited to):

• Design and deploy cloud-based and hybrid network infrastructure supporting high-performance and secure workloads.
• Automate infrastructure provisioning and network configurations using tools like Ansible, Python, or Go.
• Integrate and manage traditional hardware (routers, switches, firewalls) with SDN and container-based networking platforms.
• Support containerized workloads via OpenShift and Kubernetes, including deployment, service mesh, and traffic load balancing.
• Troubleshoot network performance, routing, and system connectivity issues across Linux-based platforms.
• Maintain infrastructure documentation, standards, and compliance with security protocols.
• Collaborate with systems architects and engineering teams to implement scalable solutions.
• Monitor network observability and performance using modern tooling to drive efficiency and resilience.

REQUIRED SKILLS AND QUALIFICATIONS

• Must possess an active Department of Defense (DoD) TS/SCI clearance with CI Polygraph.
• Bachelor's degree in Computer Science, Engineering, or related field, or equivalent experience.
• Experience in hybrid infrastructure environments including Linux, virtualization, and container platforms (OpenShift/Kubernetes).
• Solid understanding of network architecture (LAN, WAN, VLANs, routing, firewalls).
• Experience with SDN tools and technologies such as Open vSwitch (OVS), Open Virtual Network (OVN), SONiC, or Cumulus NOS.
• Familiarity with OpenShift networking components (CNI plugins, MetalLB, Service Mesh).
• Familiarity with observability tools such as OpenShift Network Observability Operator.
• Excellent troubleshooting and diagnostic skills across system and network layers.
• Strong communication skills to interface with cross-functional teams and stakeholders.

SKILLS AND QUALIFICATIONS

• Proficiency in automation scripting using Python or Go, and configuration management with Ansible.
• Experience with infrastructure-as-code (IaC), CI/CD pipelines, or DevSecOps practices.
• Knowledge of network security compliance and DoD infrastructure standards.
• Exposure to high-performance computing (HPC) or AI/ML networking environments.

*Applicants selected will be United States and may be subject to a government security investigation for access to classified information*

ABOUT US

At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, , and an attitude that welcomes challenges meets demands, sustains growth, and drives innovation. We provide expert mission-first technical and programmatic services and solutions for the US intelligence community, the US Department of Defense, and other governmental agencies. We create people-first organizational cultures where employees feel needed in the system, not a system that needs employees. We provide you with long-term career opportunities centrally focused on our core value system: , integrity, and a commitment to excellence.

MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to , , , , , , , or protected veteran status, and will not be discriminated against on the basis of .