Senior Network Engineer - TS/SCI with CI Polygraph

Job DescriptionJob Description

TITLE: Senior Network 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 highly skilled and motivated Senior Network Engineer to join our team in supporting the design, deployment, and optimization of next- networks tailored for AI workloads. This position plays a critical role in enhancing the performance, stability, and scalability of advanced data center environments. As part of a diverse team of software and platform engineers, the Senior Network Engineer will collaborate across organizational lines to deliver resilient and high-performing network infrastructure that meets the demands of mission-critical systems.

RESPONSIBILITIES (not limited to):

• Design, configure, troubleshoot, and maintain complex Layer 2/3 data center architectures using BGP, VLANs, MLAG, LAG, Spine/Leaf topologies, Trunk/Access ports, and other related technologies.
• Collaborate with cross-functional teams to understand business requirements and translate them into effective network solutions.
• Provide expert guidance and support to junior team members, assisting them in their professional growth and development.
• Stay updated on the latest networking trends and best practices; proactively seek out new learning opportunities to enhance technical expertise.
• Contribute to the documentation of network infrastructure designs and configurations for future reference and knowledge sharing among team members.
• Travel up to 30% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.

REQUIRED SKILLS AND QUALIFICATIONS

• Must possess an active Department of Defense (DoD) TS/SCI with CI Polygraph security clearance.
• Expertise in VLAN, MLAG (Multi-Chassis Link Aggregation Group), LAG (Link Aggregation Group) configuration, and troubleshooting.
• Proven experience in designing, configuring, and managing complex BGP and Layer 2/3 Data Center architectures.
• Experience with Spine and Leaf architecture design and implementation.
• Strong understanding of Trunk/Access ports, their functions, and how to configure them for optimal performance in various network environments.
• Excellent communication and teamwork skills; ability to collaborate effectively with cross-functional teams.
• Strong problem-solving skills, attention to detail, and a commitment to quality work.
• Ability to stay updated on industry trends and technology advancements; willingness to continue learning new things.
• Ability to travel up to 30% of the time (domestic and international), as required.

*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 .