Systems Administrator II

Aleut Career•San Antonio, TX

4d•Onsite

About The Position

This role provides overall technical leadership for enterprise systems operations, encompassing hardware, software, networking, and infrastructure components. The Systems Administrator will direct and monitor day-to-day operations for enterprise computing environments, translate business requirements into IT designs and architectures, and perform engineering analysis for modernization initiatives. A primary focus will be on Linux/UNIX environments, including administration, configuration, optimization, patching, upgrades, and lifecycle management, with an emphasis on automation using scripting languages.

Requirements

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)
Strong experience with SAN technologies and backup systems
Strong experience with Virtualization platforms (VMware, Hyper-V, or similar)
Strong experience with System monitoring and diagnostic tools
Proven ability to troubleshoot and resolve complex system issues
Security+ Certification
Linux Foundation Certified System Administrator (LFCS) Certification
CompTIA Linux+ Certification

Nice To Haves

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

Responsibilities

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
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
Monitor, diagnose, and resolve issues across Servers (Linux & Windows), Network systems, and Storage environments (SAN/NAS)
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
Install, configure, and maintain Servers and workstations, Operating systems (Linux, UNIX, Windows), and 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
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