GAMA-1 Technologies, LLC seeks a highly skilled System Administrator II with a strong Linux background to provide advanced technical expertise in the design, implementation, configuration, maintenance, and optimization of complex IT systems in an on-site enterprise environment. This role will support mission-critical, multi-platform systems, with primary responsibility for Linux-based infrastructure while also supporting Windows systems as part of an integrated enterprise ecosystem.
Supervisory ResponsibilitiesNone
Essential Functions / ResponsibilitiesReasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.
Administer, configure, harden, and optimize Linux operating systems (RHEL, Rocky, Ubuntu, or similar) in compliance with federal IT and security standards.
Support and maintain Windows Server environments as part of a mixed OS enterprise infrastructure.
Design, implement, and maintain scalable, resilient Linux-based system architectures ensuring high availability, performance, and security.
Perform advanced system configuration, patching, monitoring, logging, and performance tuning for Linux servers and services.
Participate in system upgrades, migrations, and modernization initiatives, including on-prem to cloud or hybrid deployments.
Develop and maintain detailed system documentation, configuration baselines, and standard operating procedures (SOPs).
Manage backup, recovery, and disaster recovery solutions, including testing and validation.
Troubleshoot and resolve complex system issues across Linux and Windows platforms; perform root cause analysis and implement long-term corrective actions.
Collaborate closely with network, cloud, cybersecurity, and application teams to ensure secure, integrated operations.
Support security compliance efforts, vulnerability assessments, STIGs, and remediation activities.
Develop and maintain automation and configuration management solutions using scripting and tools (Ansible, Bash, PowerShell, Python, etc.).
Continuously identify opportunities to improve operational efficiency, system reliability, and security posture.
This job description is not intended to be an exhaustive list of all duties. Responsibilities may change at any time with or without notice.
Information Security & Confidentiality ObligationsAdhere to all organizational information security policies and procedures.
Participate in mandatory security awareness training.
Handle confidential and sensitive information in accordance with company and federal data protection standards.
Bachelor’s degree in Computer Science, Information Technology, or a related field.
2–4 years of hands-on system administration experience, with a strong emphasis on Linux environments.
Demonstrated experience administering enterprise Linux systems in production or federal environments.
Working experience with Windows Server, including Active Directory and Group Policy.
Proficiency with:
Linux system services, permissions, package management, logging, and troubleshooting
Active Directory, DNS, DHCP
Virtualization platforms (VMware, Hyper-V)
Monitoring and logging tools
Hands-on experience with cloud platforms (AWS, Azure, or GCP) and hybrid infrastructure.
Strong scripting and automation skills (Bash, Python, PowerShell).
Solid understanding of network fundamentals (TCP/IP, routing, VPNs, firewalls).
Strong analytical and troubleshooting skills.
Linux-focused certifications such as:
RHCSA / RHCE
Linux+
Additional certifications such as:
CompTIA Security+
VMware Certified Professional (VCP)
AWS Certified SysOps Administrator
Advanced certifications (highly preferred):
CISSP, CCSP
AWS or Microsoft Solutions Architect
Knowledge of ITIL, Agile, or SAFe methodologies.
Strong written and verbal communication skills, with experience documenting and presenting technical solutions.
Ability to obtain a security clearance is required.
Work is performed in an on-site enterprise environment.
$106,486.00 - $113,981.34
Top Skills
What We Do
GAMA-1 is a highly-technical Certified Small Disadvantaged Business with a mature service delivery model. We combine industry and government standards with established GAMA-1 methodologies to develop, engineer, secure, implement, and maintain IT solutions and services. We refine our methods through continuous process improvement and hold International Organization of Standards (ISO) 9001 (Quality), ISO 20000 (ITSM), and ISO 27001 (Security) certifications. We train our staff on IT Infrastructure Library (ITIL) v4 and apply Capability Maturity Model Integration (CMMI) Services Level 3 processes.
GAMA-1 is proud to be Certified™ by Great Place to Work® for two consecutive years. This prestigious award is based entirely on what current employees say about their experience working at GAMA-1 Technologies. This year, 97% of employees said it’s a great workplace compared to 57% of typical U.S.-based company employees.
