Platform Network Engineer - TS/SCI with CI Polygraph

Job DescriptionJob Description

TITLE: Platform Network Engineer

LOCATION: Boyers, PA

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

EMPLOYMENT TYPE: Full-time, On-site

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 20% for on-site installations, maintenance, and troubleshooting at customer sites or data centers.

REQUIRED SKILLS AND QUALIFICATIONS

• Must possess an active Department of Defense (DoD) TS/SCI clearance with CI polygraph.
• Current IAM Level II certification (e.g., Security+ CE, CAP, CASP) per DoD 8570 IAT requirements.
• 5+ years designing, configuring, and managing Layer 2/3 data center networks, including BGP.
• 5+ years configuring and troubleshooting VLANs, MLAG, and LAG.
• 3+ years designing and implementing Spine/Leaf network architectures.
• 3+ years configuring and managing Trunk/Access ports for diverse network environments.
• Strong background in network performance optimization and troubleshooting for distributed or high-demand systems.
• Excellent communication and collaboration skills with cross-functional technical teams.
• Strong problem-solving skills with attention to detail and commitment to quality.
• Ability and willingness to travel up to 20% (domestic and international) for on-site support.

SKILLS AND QUALIFICATIONS

• Relevant industry certifications (e.g., CCNP, CCIE, JNCIP, AWS Advanced Networking, CKA).
• Experience supporting or integrating networking in AI/ML or high-performance computing environments.
• Experience with network automation/scripting (Python, Ansible, or similar).
• Familiarity with network security practices (firewalls, IDS/IPS, segmentation, RBAC).
• Experience documenting and standardizing network designs and operational runbooks.
• Knowledge of cloud networking (AWS, Azure, or GCP) in hybrid or multi-cloud architectures.
• Demonstrated ability to stay current with emerging networking technologies and best practices.

*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 , , , sex, , gender , , or protected veteran status, and will not be discriminated against on the basis of .