Sys Administrator

Job ID: 2617874
Location: Arnold, MO, US
Date Posted: 2026-10-19
Category: Information Technology
Subcategory: Sys Administrator
Schedule: Full-Time
Shift: Day Job
Travel: No
Minimum Clearance Required: TS.SCI
Clearance Level Must Be Able to Obtain: TS/SCI with Poly
Potential for Remote Work: ORA_ON_SITE
Description
SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
SAIC is seeking a Systems Administrator to support our customer at Arnold, MO. Requirements are to:
Duties may include:

• Perform full system upgrades and repairs (Linux and Windows).
• Troubleshoot and repair operating system (OS) and hardware issues.
• Perform daily and weekly system backups and recovery while maintaining a log of system problems, errors, failures, and downtime metrics.
• Maintain hardware and software inventory lists and install software releases and upgrades.
• Evaluate and install security patches.
• Create and ensure operation of Active Directory and DNS.
• Create accounts and set up user specific access while maintaining group policies and procedures.
• Acquire system accreditation and ensures personnel comply with system security policies.
• Submit requirements within Service+ for any compute, storage, database, SharePoint, or Tableau infrastructure provisioning to be fulfilled by the UDS contractor.

Qualifications
Required Skills and Experience:

• Active TS/SCI is Required to be considered for this role
• Able and willing to obtain a Polygraph
• Knowledge of the LINUX operating system
• Experience with Windows Administration, for example:
  • Active Directory
  • Experience with hardening Windows instances per DISA STIG or equivalent
  • PowerShell scripting
  • Local Group Policy Updates/Management
  • Users and Group Management
  • Windows File Shares
• Knowledge of Amazon Web Services (AWS) or cloud architecture:
  • Amazon EC2 (create and update Amazon Machine Images)
  • Amazon S3 (configure bucket policies, Amazon VPC endpoints)
  • AWS Lambda
  • Amazon CloudWatch
  • Amazon VPC (manage Security Groups, Subnets, etc.)
  • AWS Identity and Access Management (IAM)

Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .