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Systems Administrator
Infinity Systems Engineering. Install, configure, and maintain operating systems, application software, and system management tools .
Posted 11/4/2026full-timeColorado Springs • Colorado • United StatesMid-LevelSenior💰 $100,000 - $115,000 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in systems administration, network management, and cybersecurity compliance, with hands-on experience in both Windows and Linux environments. Proficient in managing virtualization technologies and ensuring the availability and security of IT services.
Highest-signal resume keywords
Systems AdministrationNetwork ManagementCybersecurity ComplianceVirtualization (VMware, Hyper-V)Cloud Platforms (AWS, Azure)
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Operating System InstallationApplication Software ConfigurationFile System ManagementTroubleshooting Hardware IssuesFirewall ImplementationBackup and Disaster RecoveryNetwork Performance MonitoringSoftware Licensing ComplianceSystem Log AnalysisSecurity Patch Updates
Soft Skills
Technical SupportDocumentation MaintenanceOnboarding and Training
Tools & Technologies
SolarisLinuxZFSUFSVEEAMPowerShellBashLANsWANsVPNs
Certifications & Qualifications
Active Secret Clearance
Industry Keywords
Cybersecurity Best PracticesSTIGsVulnerability RemediationNetwork ProtocolsIT Services Efficiency
Tech Stack
Tools & technologiesAWSAzureCloudCyber SecurityFirewallsLinuxVMware
About the role
Key responsibilities & impact- Install, configure, and maintain operating systems, application software, and system management tools
- Perform daily systems administration and help desk tasks for Solaris and Linux environments
- Manage file systems, storage, and virtualization using ZFS, UFS, VEEAM, and PDOM/LDOM
- Troubleshoot hardware, software, and networking issues
- Implement and maintain firewalls, antivirus, and intrusion detection/prevention systems
- Ensure cybersecurity compliance through best practices, STIGs, patching, and vulnerability remediation
- Perform regular backups and maintain tested disaster recovery plans
- Maintain and administer LANs, WANs, VPNs, and wireless systems
- Set up and configure new servers and monitor network performance
- Provide technical support and troubleshooting assistance to end users
- Maintain documentation of systems, processes, and configurations
- Assist with onboarding and training new staff on relevant IT systems
- Analyze system logs and optimize system performance
- Ensure availability of IT services and respond to incidents and service requests
- Perform software, operating system, and security patch updates
- Ensure software licensing compliance and manage vendor relationships for IT products and services
- Work closely with the IT team to keep organizational IT services efficient and secure
Requirements
What you’ll need- Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent combination of experience in lieu of degree
- 3+ years of experience as a Systems Administrator, Network Administrator, or similar role
- Active Secret clearance required
- Hands-on experience with system administration, security, and network management
- Proficiency with Windows and Linux server environments
- Experience with virtualization, such as VMware and Hyper-V
- Experience with cloud platforms, such as AWS and Azure
- Knowledge of network protocols, firewalls, VPNs, and security best practices
- Familiarity with PowerShell or Bash is a plus
- Ability to lift and carry equipment weighing up to 50 lbs
- Ability to connect cables, install hardware, and set up workstations
- Ability to stand, sit, and bend for extended periods
- U.S. Citizenship is required
Benefits
Comp & perks- Exceptional benefits, work-life balance, and structured career development
- 100% of monthly medical and dental premiums covered for employee and family
- Three weeks of vacation, with flexibility to use vacation hours in advance before fully accrued
- Sick leave
- Flex-Spending Account (FSA) options for medical and dependent care
- 401(k) plan with company contributions without requiring matching
- Free professional financial planning services
- Education Reimbursement Program
- Annual payout through Profit-Sharing Plan for eligible team members