Systems Administrator – TS/SCI | Linux, Windows & AWS

SAIC; Arnold (MO); On-site; USD 120,000 - 160,000; Full time

Job summary

SAIC in Arnold, MO is seeking a Systems Administrator to support a government customer. You will perform Linux/Windows upgrades, manage AD and DNS, apply security patches, backups, and maintain inventory and policies.

Qualifications include Active TS/SCI clearance, willingness to obtain a polygraph, Linux/Windows experience, PowerShell, DISA STIG hardening, and AWS familiarity (EC2, S3, IAM, CloudWatch). Target salary range is $120,001–$160,000 per year.

Responsibilities

• Perform full system upgrades and repairs (Linux and Windows).
• Troubleshoot and repair OS and hardware issues.
• Perform backups and recovery with logs of issues and downtime.
• Maintain hardware and software inventory and install releases/upgrades.
• Evaluate and install security patches.
• Create and manage Active Directory and DNS.
• Create user accounts with appropriate access and group policies.
• Acquire system accreditation and ensure compliance with security policies.
• Submit compute/storage infrastructure provisioning requests as needed.

Skills

TS/SCI clearance

Polygraph

Linux

Windows administration

Active Directory

DNS

PowerShell scripting

Group Policy

Users and Groups

Tools

AWS

EC2

S3

IAM

CloudWatch

VPC

Job description

SAIC in Arnold, MO is seeking a Systems Administrator to support a government customer. You will perform Linux/Windows upgrades, manage AD and DNS, apply security patches, backups, and maintain inventory and policies.

Qualifications include Active TS/SCI clearance, willingness to obtain a polygraph, Linux/Windows experience, PowerShell, DISA STIG hardening, and AWS familiarity (EC2, S3, IAM, CloudWatch). Target salary range is $120,001–$160,000 per year.