Senior Systems Administrator: Windows & Linux, Cyber Ops

GCI Incorporated; Virginia (MN); On-site; USD 90,000 - 150,000; Full time

Job summary

GCI Incorporated in Reston, VA is seeking a Systems Administrator Expert to manage Windows systems and related infrastructure across local and development environments. The role includes Linux elements, application-based services, and developer-assisted tools to ensure reliable operations.

The candidate will upgrade systems, patch security vulnerabilities, maintain backups, and coordinate with security and network teams to safeguard systems in a fast-paced environment.

Qualifications

• Demonstrated experience with Microsoft Windows Server and Active Directory administration.
• Experience with Hypervisor technologies (Hyper-V, KVM, VMware).
• Experience installing and configuring systems which support infrastructure and/or R&D activities.
• Demonstrated experience with installing and updating patches on the operational and development systems, and documenting compliance.
• Demonstrated experience collaborating with other systems administrators, security analysts, and network engineers to solve complex problems.
• Experience in leveraging scripting and system automation tools (PowerShell, BASH, etc.).
• Demonstrated experience in performing and maintaining system backups.
• Experience performing with minimal guidance under pressure and tight deadlines.
• Excellent communication skills (written, verbal and face-to-face).

Responsibilities

• Maintain Windows operating systems, application support, integration, design, and assistance as needed with additional duties to support the team
• Schedule and install Windows security patching, file and server backups, maintain group policies, troubleshoot server issues, and manage server installs (rack, configure, security harden, maintain)
• Schedule, plan and perform system upgrades
• Maintain, plan and monitor the back-end infrastructure
• Support cyber security engineer performing security analysis of audit logs and other artifacts of a networked computer system

Skills

Windows Server

Active Directory

Hypervisor technologies

System administration

Scripting (PowerShell, Bash)

Backups

Under pressure

Communication skills

Cyber security concepts

Tools

Hyper-V

KVM

VMware

PowerShell

BASH

Job description

GCI Incorporated in Reston, VA is seeking a Systems Administrator Expert to manage Windows systems and related infrastructure across local and development environments. The role includes Linux elements, application-based services, and developer-assisted tools to ensure reliable operations.

The candidate will upgrade systems, patch security vulnerabilities, maintain backups, and coordinate with security and network teams to safeguard systems in a fast-paced environment.