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Senior Systems Administrator

Arnold, MO, US • Posted 1 day ago • Updated 7 hours ago

Full Time

On-site

SAIC

Fitment

Dice Job Match Score™

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Job Details

Skills

Security Clearance
Cloud Computing
Repair
Backup Administration
Recovery
Computer Hardware
Inventory
DNS
Dragon NaturallySpeaking
Policies and Procedures
System Security
Storage
Database
Microsoft SharePoint
Tableau
Provisioning
Marketing Operations
Linux
Operating Systems
Microsoft Windows Administration
Active Directory
Hardening
STIG
Windows PowerShell
Scripting
Group Policy
Microsoft Windows
Cloud Architecture
Amazon EC2
Amazon S3
Amazon Lambda
Amazon VPC
Management
Amazon Web Services
Identity Management
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2612332

Location: Arnold, MO, US

Date Posted: 2026-05-07

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 seeking a Senior Systems Engineer to maintain and upgrade customer Linux, Windows, and cloud systems in a secure environment.

Duties include but are not limited to:

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.

Work will be conducted at the customer site in Arnold, MO

Qualifications

Required Skills:

Active TS/SCI is required
Willing and able 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)

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2612332
Posted 1 day ago

Company Info

About SAIC

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 include 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.

We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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