Systems Administrator jobs in United States
cer-icon
Apply on Employer Site
company-logo

S4 Inc. · 8 hours ago

Systems Administrator

S4, LLC is a privately held company working with federal customers since 1998, seeking a Systems Administrator to provide administration, support, and management for their customer’s IT infrastructure. The role involves troubleshooting, maintaining system integrity, and implementing enhancements to improve reliability, security, and performance while ensuring system availability of critical systems.

Information TechnologySecurity
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Provide administration, support, and management for customer’s Information Technology (IT) infrastructure
Implementation, troubleshooting and maintenance of systems including customer applications, computer systems and COTS & GOTS implementations in multiple environments
Provide problem resolution for client/server/storage/network devices
Install, configure, and manage operating system software
Troubleshoot, maintain system integrity and configure network components
Implement systems enhancements to improve reliability, security and performance
Provide in-depth trouble-shooting
Work closely with the customer to maintain system availability of critical systems

Qualification

UNIX/LinuxSQL ServerSystem Security PlanWindowsInformation Assurance Vulnerability AssessmentWeb Server ConfigurationPKI

Required

Must be a U.S. citizen
Currently possess a TS/SCI security clearance with full scope polygraph
A bachelor's degree
Five (5) years experience
Five (5) years experience may be substituted for a bachelor's degree

Preferred

Additional experience with UNIX/Linux
SQL Server
Windows
System Security Plan scans
Information Assurance Vulnerability Assessment (IAVA) patches
Experience with Web Server Configuration
PKI

Benefits

Competitive compensation packages
Full employee benefits
Schedule flexibility

Company

S4 Inc.

twittertwittertwitter
company-logo
S4 is an information technology company specializing in cybersecurity services.

Funding

Current Stage
Early Stage
Total Funding
unknown
2025-07-24Acquired

Leadership Team

leader-logo
Patrick Brosnan
Chief Financial Officer
linkedin
leader-logo
Steve Kerns
COO
linkedin
Company data provided by crunchbase