Systems Administrator II in San Antonio, Texas at Aleut Federal, LLC

Aleut Federal, LLC
Systems Administrator II

Job Category: Technology
Requisition Number: SYSTE003688

Posted: May 12, 2026
Schedule: Full Time
Location: San Antonio, Texas 78201, United States

Key Responsibilities

Systems Administrator

• Provide overall technical leadership for enterprise systems operations, including hardware, software, networking, and infrastructure components
• Direct and monitor day-to-day operations for enterprise computing environments
• Translate business requirements into enterprise IT designs, architectures, and technical solutions
• Perform engineering analysis and integration of enterprise service alternatives to support modernization initiatives

Linux Systems Specialty

• Serve as the primary SME for Linux/UNIX environments (RHEL, CentOS, Ubuntu, etc.)
• Administer, configure, and optimize Linux-based systems in physical and virtual environments
• Perform system tuning, performance optimization, and root-cause analysis of complex issues
• Support patching, upgrades, and lifecycle management of Linux systems
• Implement automation using Bash, Python, or similar scripting tools

Infrastructure Operations & Troubleshooting

• Monitor, diagnose, and resolve issues across:
• Servers (Linux & Windows)
• Network systems
• Storage environments (SAN/NAS)
• Applications and enterprise services
• Utilize advanced tools to identify and resolve performance bottlenecks and system failures
• Troubleshoot and resolve complex infrastructure issues affecting production systems
• Provide proactive improvements to enterprise infrastructure design and performance

Systems Installation, Maintenance & Support

• Install, configure, and maintain:
• Servers and workstations
• Operating systems (Linux, UNIX, Windows)
• Applications and patches
• Support both physical and virtualized environments
• Operate and maintain backup and recovery systems, including SAN-based solutions
• Conduct routine testing, validation, and integration of enterprise solutions

Customer & Operational Support

• Interface with end users and operations personnel to provide technical support and service delivery
• Ensure systems meet operational requirements and service level expectations
• Provide technical guidance and recommendations for system enhancements and modernization

Required Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
• TS/SCI clearance- must be active.
• 3+ years of experience in enterprise systems engineering or operations
• 3+ years of hands-on experience with Linux/UNIX systems administration
• Strong experience with:
• Enterprise infrastructure (servers, storage, networking)
• SAN technologies and backup systems
• Virtualization platforms (VMware, Hyper-V, or similar)
• System monitoring and diagnostic tools
• Proven ability to troubleshoot and resolve complex system issues

Required Certifications

• Security+
• Linux Foundation Certified System Administrator (LFCS)
• CompTIA Linux+

Key Competencies

• Deep technical expertise in Linux systems and enterprise infrastructure
• Strong analytical and problem-solving skills
• Ability to integrate business needs with technical execution
• Excellent communication and stakeholder engagement skills
• Commitment to operational excellence and continuous improvement

Work Schedule: This position is for Monday-Friday 0700-1600 with minimal need to resolve emergency outages after hours and weekends.

We will accept applications for this position until 05/22/2026 or until filled.

Aleut offers the following benefits to eligible employees:

• Health insurance
• Dental/Vision insurance
• Paid Time Off
• Short- and Long-Term Disability
• Life insurance
• 401k and match

Aleut Federal, LLC provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity or genetics. In addition to federal law requirements, AF complies with applicable state and local laws governing nondiscrimination in employment in every location where the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. AF prohibits workplace harassment based on race, color, sex, religion, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

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