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3 results for Systems Security Administrator in San Antonio, TX

Systems Security Engineer

San Antonio, Texas
onsite
Permanent / Full Time
95000 - 115000 USD / Yearly
We are looking for a Systems Security Engineer to strengthen and secure enterprise infrastructure for a respected financial institution in San Antonio, Texas. This position blends hands-on systems administration with a strong security focus, making it well suited for someone who can protect Windows-based environments while advancing consistent controls across the organization. The individual in this role will help elevate the company’s security posture through practical hardening measures, policy enforcement, and close collaboration with technical and business stakeholders. Responsibilities: • Build, deploy, and support secure infrastructure solutions across both on-premises systems and cloud-based platforms. • Manage and enhance Microsoft security and identity tools, including Intune, Entra ID, Defender, Active Directory, and Group Policy, to improve control and visibility. • Define and apply security configuration standards that align with recognized benchmarks and enterprise best practices. • Drive initiatives related to server hardening, patching, vulnerability resolution, and ongoing configuration oversight. • Create and maintain endpoint protection standards and device compliance rules to support a secure user environment. • Review security alerts, examine potential threats, and coordinate timely corrective actions with the appropriate teams. • Partner with infrastructure, networking, and IT leadership to promote standardized security processes and technology practices. • Provide administration and support for core Windows Server services and related enterprise infrastructure components. • Contribute to audits, risk reviews, and compliance activities associated with regulated financial environments.
2026-09-14T00:00:00Z

Systems Engineer

San Antonio, Texas
onsite
Temporary to Hire
38 - 44 USD / Hourly
We are looking for an experienced Systems Engineer to support enterprise infrastructure initiatives. This contract opportunity is ideal for a hands-on technical specialist who can strengthen complex environments while resolving advanced infrastructure issues across servers, networks, virtualization, and storage. The role combines project delivery with high-level operational support, offering the chance to contribute to both ongoing stability and future infrastructure improvements. Responsibilities: • Design, deploy, and maintain enterprise infrastructure components, including routing, switching, server platforms, storage systems, and related technologies. • Provide Tier 3 technical support by diagnosing complex issues, identifying root causes, and restoring service across network, virtualization, backup, and server environments. • Lead or contribute to infrastructure projects lasting several months by gathering technical requirements, shaping solution designs, coordinating implementation plans, and producing clear documentation. • Configure and support Cisco-based networking equipment and enterprise firewall solutions to ensure secure, reliable connectivity across the organization. • Administer VMware environments and manage Windows and Linux servers to support performance, availability, and operational continuity. • Oversee enterprise storage and backup or disaster recovery platforms, helping protect critical systems and data through effective administration and troubleshooting. • Collaborate with internal teams and stakeholders to align infrastructure solutions with business and technical needs. • Create and maintain technical documentation for configurations, procedures, designs, and support activities to improve knowledge sharing and operational consistency.
2026-09-21T00:00:00Z

Security Technician II

San Antonio, Texas
onsite
Temporary to Hire
31.35 - 36.3 USD / Hourly
We are looking for a Security Technician II to join our team in San Antonio, Texas in a contract role with the potential for a permanent position. This position focuses on supporting and improving access control and physical security environments through hands-on service, troubleshooting, and installation work. The ideal candidate is comfortable working directly with customers, resolving technical issues in the field, and helping maintain reliable security system performance. Responsibilities: • Deliver on-site service for access control and security systems, including routine maintenance, repairs, and performance checks. • Investigate and correct equipment, software, and network-related issues affecting physical security operations. • Install and set up access control devices, supporting hardware, cabling, and related software components. • Respond to customer support needs with professionalism, providing clear updates and effective technical solutions. • Record completed service work, configuration updates, and diagnostic findings in a thorough and organized manner. • Travel to local client locations to complete planned service visits as well as urgent response calls. • Take part in an after-hours on-call schedule to address critical outages and restore system functionality when needed. • Partner with implementation and project teams on system upgrades, site expansions, and new security deployments.
2026-09-21T00:00:00Z