System Administrator, Level I, II, III (AE26061551)
About The Position
AEITS Inc., a GTSC company, seeks System Administrators at multiple experience levels (Level I–III) to support the implementation, troubleshooting, and maintenance of IT systems and infrastructure. Candidates will be responsible for managing system operations, supporting users, and ensuring the reliability, performance, and security of enterprise environments. Level placement will be determined based on experience, technical expertise, and demonstrated capabilities. Clearance: Active Top Secret SCI with polygraph. All work is on-site. This is not a hybrid or remote position. These positions are pending contract award.
Requirements
- Experience supporting IT systems in enterprise environments (level dependent)
- Level I: ~5 years or equivalent experience/training
- Level II: ~10 years
- Level III: ~15 years
- Requires bachelor's degree in a technical discipline (or equivalent experience)
- Experience with Windows and/or UNIX/Linux system administration
- Familiarity with system monitoring, troubleshooting, and performance tuning
- Strong problem-solving and communication skills
- Active Top Secret SCI with polygraph clearance
Nice To Haves
- Experience with tools such as VMware, ELK Stack, Tripwire, or SELinux
- Experience with virtualization, containers, and system security practices
- Knowledge of infrastructure automation or scripting (e.g., Bash, PowerShell)
- Experience in secure or regulated environments
Responsibilities
- Provide support for implementation, troubleshooting, and maintenance of IT systems
- Manage daily operations of systems including servers, storage, and network devices
- Monitor system performance and ensure availability and reliability
- Perform system configuration, patching, and upgrades for Windows and/or UNIX/Linux environments
- Troubleshoot hardware, software, and network issues and provide timely resolution
- Support users in accessing and utilizing IT systems
- Document system configurations, processes, and issue resolutions
- Support escalation processes and communicate status to stakeholders
- Maintain system security and compliance with organizational standards
- Provide Tier 1 and basic Tier 2 support for incident resolution (Level I)
- Perform routine system maintenance and monitoring (Level I)
- Follow established procedures and escalate complex issues (Level I)
- Perform advanced troubleshooting and root cause analysis (Level II)
- Handle escalated incidents and provide detailed technical feedback (Level II)
- Optimize system performance and resource utilization (Level II)
- Support capacity planning and system improvements (Level II)
- Analyze and resolve complex, multi-system issues (Level III)
- Support system design, architecture, and integration efforts (Level III)
- Provide technical leadership and guidance to junior staff (Level III)
- Evaluate and implement system enhancements to improve reliability and performance (Level III)
- Understand and manage system interdependencies across enterprise environments (Level III)
Benefits
- Generous paid time off
- Comprehensive benefits
- Retirement plan
- Flexible schedules
- Hybrid work options available for eligible roles
- 11 paid holidays
- Five weeks of PTO to start
- Variety of medical, dental, and vision plans
- Company-paid life insurance and disability coverage options, including voluntary supplemental plans
- Generous 401(k) employer match
- Potential for an additional discretionary employer contribution
- Robust employee referral bonus program
- Investment in your growth through training
- Tuition reimbursement
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
Education Level
Associate degree
