Systems Administrator

US:

TX:

San Antonio | IT Operations | Full-time

63,855 - 87,378 USD per year

Posted yesterday

The Systems Administrator is responsible for the administration, maintenance, monitoring, and support of the organization’s enterprise systems and infrastructure. This position helps ensure the availability, performance, security, reliability, and capacity of technology systems while supporting system upgrades, lifecycle management, disaster recovery, infrastructure improvements, and future technology requirements. The Systems Administrator works collaboratively with Innovation and Technology teams, application owners, vendors, and other technical stakeholders and serves as an escalation point for infrastructure-related issues.

Responsible for administration, maintenance, monitoring, troubleshooting, and support for enterprise systems and infrastructure.

Serves as an escalation point for infrastructure-related issues and works collaboratively with other technology teams, application owners, and vendors to resolve issues and implement solutions.

Administers Windows Server, Active Directory, virtualization, enterprise storage, backup, recovery, disaster recovery, and related infrastructure technologies.

Monitors system health, availability, performance, capacity, and logs; proactively identifies and resolves infrastructure issues to minimize service disruptions.

Performs system upgrades, patching, configuration changes, lifecycle maintenance, and other activities necessary to maintain reliable and secure infrastructure.

Provides infrastructure-level support for third-party applications and coordinates application-specific issues with application owners and vendors.

Serves as a technical resource for backup, recovery, disaster recovery, and infrastructure continuity activities.

Recommends and assists with the design and implementation of infrastructure improvements, upgrades, migrations, and technology solutions.

Develops and maintains technical documentation, system configurations, procedures, diagrams, and change-management records in accordance with established standards.

Participates in infrastructure projects and provides technical coordination with internal teams, vendors, and other stakeholders.

Performs other related duties and responsibilities as assigned.

This job description excludes marginal functions that are incidental to performing the job. Other duties may exist.

Bachelor’s Degree in Information Systems, Computer Science, or related field and at least three (3) years of systems administration or related experience. Experience may be substituted in lieu of education on a year-for-year basis up to four (4) years.

Experience with Azure/hybrid infrastructure;
Microsoft 365 infrastructure;
Zerto or equivalent replication/DR;
Rubrik or equivalent enterprise backup;
Pure Storage or equivalent enterprise SAN; and Hyper-V and infrastructure automation.

Knowledge of Windows Server 2022/2025 or current supported versions;
Microsoft Active Directory, DNS and Group Policy;
Microsoft Hyper-V or comparable enterprise virtualization; failover clustering; enterprise storage/SAN technologies; backup and disaster recovery;
Power Shell; infrastructure monitoring; server hardware; TCP/IP and enterprise networking fundamentals; system security/hardening; patch and vulnerability remediation; and enterprise change-management practices.

Must possess strong customer service, troubleshooting, problem-solving, analytical, communication, and interpersonal skills.

Ability to independently analyze technical issues, determine root cause and risk, evaluate alternatives, document work…