System Administrator, Level 2

About the Role

At Independent Software, as a System Administrator Level 2, you will support the implementation, administration, maintenance, and troubleshooting of IT systems in a secure technical environment. You will manage day-to-day system operations across Windows and UNIX/Linux environments, network services, virtualization technologies, automation tools, and enterprise infrastructure.

Responsibilities

• Administer, configure, maintain, and troubleshoot Windows and UNIX/Linux systems
• Provide Tier 1 and Tier 2 problem identification, diagnosis, and resolution
• Support client/server, storage, network, and related IT infrastructure
• Install, configure, patch, and maintain operating systems and system components
• Support Active Directory, Group Policy, and network services including TCP/IP, DNS, and DHCP
• Support virtualization, containerization, and system automation
• Monitor system health, performance, capacity, and resource utilization
• Troubleshoot hardware and system issues through resolution
• Document and communicate escalated issues, status, and resolutions

Requirements

• Ten (10) years of System Administration experience supporting programs or environments of similar scope, type, and complexity
• Bachelor’s degree in a technical discipline from an accredited college or university (Five (5) additional years of System Administration experience may be substituted for the Bachelor’s degree)
• Current DoD 8570 IAT Level II certification, such as CompTIA Security+ CE or another qualifying IAT Level II certification
• Active TS SCI with appropriate Polygraph clearance

Skills

• Strong Windows and UNIX/Linux system administration and troubleshooting experience
• Experience supporting client/server, storage, and network infrastructure
• Familiarity with Bash and/or PowerShell scripting
• Experience with Active Directory and Group Policy
• Knowledge of TCP/IP, DNS, DHCP, and network services
• Familiarity with VMware, KVM, Hyper-V, Docker, or similar technologies
• Experience with monitoring/logging tools such as Splunk, Zabbix, or ELK
• Understanding of system security, patching, and configuration best practices
• Strong troubleshooting and communication skills

Benefits

• Support critical national security missions that matter
• Be part of a close-knit, employee-first culture where your voice is heard
• Expand your skills through ongoing training, mentorship, and career development
• Enjoy competitive compensation and generous benefits
• Work-life balance