Aretum · 15 hours ago
System Administrator - Contingent
Washington, DC
Full-time
Hybrid
Senior Level, Lead/Staff
8+ years expAretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions across defense, civilian, and homeland security sectors. The System Administrator will manage the operational reliability and security of development, test, and production environments for a mission-critical information system, ensuring compliance with federal security policies and technical standards.
ConsultingInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Providing day-to-day operational management and user support for development, test, and production environments supporting the enterprise information system
Maintaining maximum system uptime and reliability across all supported environments
Managing and renewing security certificates for application systems and external-facing sites prior to expiration
Imaging and configuring baseline development workstations for technical staff and maintaining approved integrated development environments (IDEs)
Managing and administering servers and virtual environments supporting development, test, and production systems
Ensuring that development and test environments mirror production environments for configuration consistency and reliability
Performing system patching, virus updates, and routine system maintenance in accordance with continuous monitoring requirements
Supporting assessment and authorization (A&A) activities for the enterprise information system
Assisting with the maintenance and updates of required security documentation, including system security plans (SSP), privacy impact assessments (PIA), and IT contingency plans
Ensuring system configurations adhere to approved federal and departmental technical standards
Monitoring and maintaining system security posture to ensure compliance with risk thresholds and security performance requirements
Initiating approved purchase orders for hardware and software acquisitions in support of system operations
Supporting backup, recovery, and disaster recovery preparedness activities
Coordinating with database administrators and application developers to ensure system compatibility and operational readiness
Supporting regression testing and production release activities related to system changes
Assisting with troubleshooting and resolution of system-level incidents and operational issues
Supporting continuous monitoring and vulnerability remediation activities
Maintaining documentation related to system configurations, processes, and operational procedures
Qualification
Required
Active Secret clearance (or higher)
Minimum of 8 years of experience in system administration supporting enterprise or mission-critical information systems
Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field
Demonstrated experience managing development, test, and production environments
Experience administering servers, virtual environments, and development workstations
Experience performing system patching, maintenance, and continuous monitoring activities
Experience supporting assessment and authorization (A&A) processes
Experience managing system security certificates and configuration standards
Working knowledge of configuration management, version control, and change control processes
Experience supporting backup, recovery, and disaster recovery operations
Familiarity with federal information system documentation requirements and SDLC artifacts
Preferred
Master's Degree
Benefits
Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off
Family Leave (Maternity, Paternity)
Short Term & Long-Term Disability
Training & Development
Company
Aretum
ARETUM is a government contracting company specializing in technology-enabled mission support services for the Department of Defense.
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Bobby Frazitta
Vice President of People
Tiffany Bailey
Executive Vice President
Recent News
Washington Technology
2025-12-13
Venture Capital
2025-12-13
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