Network Engineer TS​/SCI CI Poly Bragg, NC)

SMX is seeking a Network Engineer to design, implement, and maintain enterprise network infrastructure solutions in alignment with operational strategy. The successful candidate will maintain an awareness of market and technology trends in order to bring best-of-breed solutions to the client. They will apply advanced consulting skills and/or extensive technical expertise; full industry knowledge. They will develop innovative solutions to complex routing, switching, and transport problems.

This person will work without considerable direction; mentors and may supervise team members.

• Develop relationships quickly and easily with other teams, communicating complex network architectures and requirements with a wide variety of audiences, including senior management.
• Implementing and maintaining robust network infrastructure and routing/switching controls, ensuring high availability, optimal performance, and seamless traffic flow across large enterprise environments.
• Perform architecture reviews, capacity planning, and end-to-end troubleshooting across network, system, and core transport areas to isolate complex outages and identify performance bottlenecks or indicators of degradation.

• Bachelor’s degree and 5+ years directly related experience or Master’s degree and 3+ years directly related experience. Years of experience may be accepted in lieu of degree for certain roles. Certifications may be accepted in lieu of a degree for certain technical roles.
• Experience architecting and designing IP networks, including developing and documenting network topologies.
• Experience troubleshooting and restoring network and system outages.
• Experience designing and implementing DoD enclaves, including compute storage, networking, routing, switching, and end-user devices.
• Experience implementing and maintaining Cisco ISE.
• Knowledge of Cisco Firepower systems and firewall appliances.
• Experience configuring and maintaining TACLANEs.
• Experience building and maintaining Solar Winds.
• Active TS/SCI clearance; willingness to take a polygraph exam.
• CCNA Certification (or higher networking certification).

• Experience deploying Gigamon Appliances and network taps.
• Experience with Cisco Spine and Leaf network architectures.
• Knowledge of CSfC Multi-Site Connectivity Capability Package.
• Knowledge of Cisco Secure Network Analytics or Cisco Nexus Dashboard Insights.
• Knowledge of Cisco Firepower Management Center (FMC).
• Knowledge of implementing Net Flow.
• Ability to be a self-starter, work without considerable direction, and work with a team.
• Possession of excellent verbal and written communication skills, including for coordinating efforts and establishing customer relations.
• CCNP Enterprise, CCNP Security, or CCNP Data Center Certification.

Final date to receive applications:
September 7, 2026

#CJPOST

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).