Platform Network Engineer - TS / SCI with CI Polygraph

Job Description

Job Description

TITLE : Platform Network Engineer

LOCATION : McLean, VA

CLEARANCE REQUIRED : Active DoD TS / SCI with CI Polygraph Clearance

EMPLOYMENT TYPE : Full-time, On-site

TRAVEL : 25%

POSITION SUMMARY

Modern Government Solutions (MGS) is seeking a Platform Network Engineer to design, implement, and optimize advanced data center networks that support high-demand Artificial Intelligence (AI) workloads. In this role, you will configure and maintain complex Layer 2 / 3 architectures, including BGP, VLANs, MLAG, LAG, and Spine / Leaf topologies, while ensuring performance, stability, and scalability. The Platform Network Engineer will collaborate with cross-functional engineering and security teams, manage Trunk / Access ports, and document network standards to ensure operational excellence. This role requires hands-on expertise in troubleshooting and network performance optimization, strong problem-solving skills, and the ability to stay current with emerging technologies.

RESPONSIBILITIES (not limited to) :

• Design, configure, and maintain complex Layer 2 / 3 data center networks, including BGP, VLANs, MLAG, LAG, and Spine / Leaf topologies.
• Troubleshoot and optimize network performance, stability, and scalability for high-demand AI workloads.
• Implement and manage Trunk / Access ports and related configurations to support diverse network environments.
• Collaborate with software, platform, and security teams to translate business requirements into effective network solutions.
• Document network designs, configurations, and standards to ensure knowledge sharing and operational continuity.
• Provide technical support and guidance, contributing to the professional development of team members.
• Research emerging technologies, stay current on networking best practices, and recommend improvements to enhance infrastructure.
• Travel up to 25% for on-site installations, maintenance, and troubleshooting at customer sites or data centers.

REQUIRED SKILLS AND QUALIFICATIONS

PREFERRED SKILLS AND QUALIFICATIONS

ABOUT US

At MGS, we believe a people-first culture corresponds to organizational success through a commitment to excellence, integrity, inclusion, 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 : inclusion, integrity, and a commitment to excellence.

MGS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status, and will not be discriminated against on the basis of disability.