Senior Principal Network Engineer – TS/SCI with Poly

GCI, Inc.; Virginia, Northern (IL, KY); Hybrid; USD 143,000 - 238,000; Full time

Job summary

GCI, Inc. is seeking a Sr Principal Network Engineer (TS/SCI with Poly) to support on-site operations in the United States. The role involves designing and documenting network architecture, configuring routers and switches, and managing core services such as LDAP, DHCP, DNS, and file/license servers.

Candidates should have extensive network engineering experience and a current TS/SCI clearance. The position requires hands-on administration of Windows and Linux systems, patch management, backups,

Qualifications

• US citizen with active TS/SCI clearance with Polygraph.
• 10+ years of related network engineering experience.
• Bachelor of Science or higher in CS or related field.
• Experience configuring network devices and cloud environments.
• Ability to work on-site in US government setting.

Responsibilities

• Design and document network architecture.
• Configure routers and managed switches.
• Install, configure and manage network services including LDAP, DHCP, DNS, File Servers, and License Servers.
• Perform daily oversight.
• Install, configure and manage Windows and Linux based computer systems.
• Install vendor software patches and update software repositories.
• Perform data backups and restorations; provide end user support.
• Create and manage a virtualized computing environment including storage and virtualization software.
• Create and manage cloud instances and patching.
• Manage user accounts and access and perform vulnerability scans.

Skills

10 years experience

Network design

Routers & switches

LDAP DHCP DNS

Windows/Linux admin

Education

Bachelor of Science in Computer Science or related field

Tools

Virtualization

Cloud instances

Job description

GCI, Inc. is seeking a Sr Principal Network Engineer (TS/SCI with Poly) to support on-site operations in the United States. The role involves designing and documenting network architecture, configuring routers and switches, and managing core services such as LDAP, DHCP, DNS, and file/license servers.

Candidates should have extensive network engineering experience and a current TS/SCI clearance. The position requires hands-on administration of Windows and Linux systems, patch management, backups,