Senior System Administrator Job at GalaxEsystems, San Antonio, TX

cnowWG83M3dpTGU0Nm9EZCtsMmtKZWgrTkE9PQ==
  • GalaxEsystems
  • San Antonio, TX

Job Description

Job Description: System Administrator II
Location: Northwest San Antonio, TX  78257
Job Type: Full Time, On-Site Position
Experience Level: Mid-Level

please share your resume to moiz@galaxesystems.com

Job Summary
We are seeking a skilled and proactive System Administrator II to aid in the management, maintenance, and upgrade of our organization’s IT infrastructure. We support three office sites in San Antonio, Dallas, and Houston.  The ideal candidate will be responsible for ensuring high availability, performance, and security of our servers, networks, and systems. Good interpersonal communication skills are essential as the candidate will work with end users as well as peers and management.  You will play a crucial role in preventing downtime, implementing security protocols, best practices policies, and providing technical and operational support, ensuring day-to-day operations run smoothly.

Key Responsibilities and Duties
  • Infrastructure Management: Install, configure, and maintain desktop operating systems (Windows/Apple), servers, virtual environments (VMware) and have working knowledge of network hardware (routers, switches, firewalls, wireless). Setup and support of VoIP (Spectrum) users and phones.  Experience with Palo Alto, Juniper, Dell, and Cisco a plus. 
  • Azure/EntraID/Microsoft 365/Intune: Have strong experience with Azure infrastructure, support and troubleshooting.  Will assist in designing, deploying, and support of Azure environments to support applications and infrastructure. 
  • Docker/Container Experience: Have working knowledge of containerization technologies to assist in support, developing applications strategies.
  • System Monitoring & Performance: Proactively monitor system performance (PRTG, Azure), analyze logs, and implement performance tuning to optimize efficiency. Ability to respond right away to critical alerts and communicate effectively.
  • Security & Data Protection: Ensure system security through access controls, user account management (Active Directory/Azure AD), antivirus (Sophos) protection, and patching. Follows best practices guidelines and assists to maintain SOC and other regulatory compliance.
  • Backup & Recovery: Assist in monitoring regular data backups and maintain, test, and execute disaster recovery plans to ensure business continuity. Veeam experience preferred.
  • Troubleshooting: Diagnose and resolve hardware, software, and network issues promptly to minimize downtime.
  • Automation & Scripting: Develop/understand scripts (e.g., PowerShell, Bash, Python) to automate routine tasks and improve efficiency.
  • Documentation: Maintain/Develop comprehensive technical documentation, including network diagrams, SOPs, and system configurations.
  • Collaboration & Support: Collaborate with internal IT peers to implement new technologies and provide high-level support for end-users.
  • Required Qualifications & Skills
  • Experience: 5+ years of experience as a System Administrator, Network Administrator, or similar role.
  • Education: Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).
  • OS Knowledge: Proficiency in Windows Server (2016/2019/2022), Windows Desktop (10/11). MacOS and Linux (Ubuntu) environments a plus.
  • Networking: Strong understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs, VPNs, VoIP).
  • Virtualization/Cloud: Experience with virtualization technologies (VMware vSphere/ESXi) and cloud platforms (Azure).
  • Scripting: Proficiency in scripting languages (PowerShell, Bash, or Python) for automation.
  • Soft Skills: Strong analytical, problem-solving, and troubleshooting skills, with the ability to work independently or as part of a team.
  • Communication: Excellent verbal and written communication skills.

Desired Certifications (Preferred)
* Microsoft Certified: Azure Administrator Associate or MCSE
* CompTIA Network+ or Security+
* VMware Certified Professional (VCP)
Working Conditions
* May require occasional after-hours/weekend support to address critical system emergencies or schedule maintenance.
* Some travel might be required to remote offices.
* Ability to lift/transport server equipment (up to 40 lbs).

 

Job Tags

Full time, Work at office

Similar Jobs

International School of Brooklyn

Preschool French Teacher Job at International School of Brooklyn

 ...for its innovative and robust PreK-3 to 8th Grade Spanish and French language immersion program and International Baccalaureate curriculum...  ..., and anti-bias. ISB seeks a Full-Time Preschool French Teacher for the 2026-2027 School Year Candidates should be able to... 

The UPS Store #2931

Full-Time Center Associate / Part Time Center Associate Job at The UPS Store #2931

Customer Service Associate - The UPS Store (Duluth, MN)Are you friendly, dependable, and enjoy helping people?Join our fun, fast...  ...great service and enjoy working in a team environment.We have both full-time and part-time positions available, with flexible scheduling ... 

St Thomas Community Health Center

HR Generalist/Recruiter Job at St Thomas Community Health Center

 ...The HR Generalist/Recruiter will research job requirements and work closely with Management and HR Director to evaluate job positions....  ...and placement fees for higher-level positions and job fairs or college recruiting trips for new graduates. Develops advertisements for... 

AllTech

Environmental Technician Job at AllTech

 ...Environmental management services company is seeking career-orientated Entry-Level Technicians for ongoing projects in Southern California. HAZWOPER and/or Trades experience a plus. Military experience is always encouraged to apply. Qualifications: Reliability,... 

Maximus

System Test Engineer Job at Maximus

 ...TCS207, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Provides subject matter proficiency supporting system testing activities - Applies analytical skills to support process improvement, specialized studies, and requirements definition -...