Network Engineer SME (TS/SCI with Poly Required)

GCI; Virginia (MN); On-site; USD 110,000 - 170,000; Full time

Job summary

GCI is seeking an Expert Network Engineer to design and manage complex on-prem and cloud network architectures, ensuring secure, scalable connectivity. You will implement and optimize VPNs, routing, and firewall solutions while guiding colleagues and clients through technical decisions.

The ideal candidate has deep expertise in Cisco/Juniper firewall management, network monitoring, and cloud/on-prem deployments, with a focus on reliability and security.

Qualifications

• Experience in IPSec site-to-site VPN and remote access VPN.
• Experience configuring, designing, maintaining, and troubleshooting LAN/WAN devices.
• Deep understanding of routing (EIGRP/OSPF/BGP) and QoS concepts.
• Ability to translate customer requirements into technical network solutions.

Responsibilities

• Designs and plans network communications for on-prem and cloud-based systems.
• Provides specifications and schematics for network architecture.
• Plans enhancements and security upgrades to the network.
• Sets up, configures, tests, and troubleshoots on-site network infrastructure.
• Monitors network hardware and cloud devices for reliable operation.
• Advises users on hardware needs and configurations.
• Provides troubleshooting guidance to team members and end users.
• Offers recommendations on hardware/software selection and implementation techniques.
• Gives technical expertise on network hardware/software interfaces (routers, switches, firewalls, etc.).
• Evaluates changing technologies to keep network capabilities up to date and secure.

Skills

IPSec VPN

Remote access VPN

LAN/WAN design

Routing (EIGRP OSPF BGP)

QoS concepts

Network monitoring

Firewall management

Cloud/on-prem networks

Troubleshooting

Technical requirements to solutions

Tools

Cisco Firewall Manager

Juniper Firewall Manager

Network monitoring tools

Cloud/network security tools

Job description

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As an Expert Network Engineer, a typical day will include the following duties:

KEY RESPONSIBILITIES

• Designs and plans network communications to include on-prem and cloud-based systems
• Provides specifications and detailed schematics for network architecture
• Plans implementation of enhancements and security upgrades to the network
• Conducts hands-on setup, configuration, testing, and troubleshooting of on-site network infrastructure
• Conducts testing of network infrastructure using industry practices
• Monitors network hardware and virtual (cloud) device operations to ensure properly functioning networks and capabilities
• Advise network users of hardware needs, configurations, and limitations
• Provides troubleshooting assistance and guidance to other team members as well as end users of the network(s)
• Provides detailed recommendations for hardware and software selection, implementation techniques, and tools
• Provides technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, switches, firewalls, bridges, gateways, etc.
• Evaluates and reports on changing or end of life technologies to ensure capabilities of the network remain up to date and secure

REQUIRED QUALIFICATIONS

• Experience in IPSec site-to-site VPN
• Experience in Remote access VPN
• Experience configuring, designing, maintaining, and troubleshooting LAN/WAN devices
• Thorough understanding of network routing concepts (EIGRP, OSPF, BGP, IP MPLS)
• Basic understanding of QoS concepts
• Experience with network monitoring technologies
• Expertise in deploying Cisco, or Juniper firewall Manager servers
• Experience engineering and deploying cloud-based and on-prem network firewall solutions
• Experience designing, engineering, and deploying controlled interfaces
• Ability to take customer requirements or problems and convert them into technical solutions
• Ability to partner with systems administrators to solve complex problems
• Complex problem management research and issue resolution

DESIRED QUALIFICATIONS

• Experience configuring, designing, and troubleshooting QoS in LAN or WAN devices
• Experience design, engineering, and deploying Multi-Factor Authentication solution

*A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans