Results for Systems Administrator Jobs in Houston, TX

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Systems Administrator

Houston, TX
onsite
Temporary to Hire
42.75 - 49.5 USD / Hourly
We are looking for a Systems Administrator to support daily IT operations and provide advanced technical assistance for users and internal teams in Houston, Texas. This contract position with potential for a permanent role is ideal for someone who can balance hands-on troubleshooting with process improvement, documentation, and cross-functional collaboration. The role will focus on maintaining stable support services, strengthening operational efficiency, and contributing to infrastructure and security-related initiatives. Responsibilities: • Address escalated technical issues with urgency, diagnosing complex problems and restoring services with minimal impact to business activities. • Serve as a key resource for higher-level support matters by guiding frontline staff, handling second-level support ownership, and sharing practical troubleshooting knowledge. • Administer and enhance IT service management platforms to improve ticket flow, service quality, and team effectiveness. • Develop and update internal support materials, including standard procedures, knowledge articles, and technical reference documentation. • Partner with infrastructure, security, application, and external support teams to resolve recurring issues and improve overall service delivery. • Track service desk trends and performance data, then recommend adjustments that strengthen response times and operational processes. • Contribute to technical initiatives such as platform upgrades, software rollouts, and security-focused projects across the environment. • Provide in-person deskside assistance for end users when issues require hands-on support beyond externally managed services.
2026-10-14T00:00:00Z

Systems Administrator

the Woodlands, TX
onsite
Temporary / Contract
42.75 - 49.5 USD / Hourly
We are looking for a Systems Administrator to support and maintain core infrastructure in The Woodlands, Texas. This Long-term Contract position is ideal for someone who can manage day-to-day server and desktop environments while helping ensure reliable access, security, and performance across key systems. The role will focus on administration of Windows-based platforms, user access services, and endpoint technologies in a fast-paced IT environment. Responsibilities: • Administer and maintain Active Directory services, including user accounts, group policies, permissions, and directory structure management. • Support Microsoft Windows Server environments by monitoring system health, applying updates, and resolving operational issues. • Provide technical administration for Windows 10 endpoints, ensuring consistent performance, patch compliance, and user support readiness. • Manage and troubleshoot Citrix-based access solutions to help maintain secure and dependable connectivity for end users. • Perform hardware support and coordination for Dell Technologies equipment, including setup, maintenance, and issue resolution. • Investigate system incidents and service disruptions, identify root causes, and implement timely corrective actions. • Maintain system documentation, configuration records, and administrative procedures to support operational continuity. • Partner with internal IT teams to improve infrastructure stability, security practices, and overall user experience.
2026-10-13T00:00:00Z

Systems Administrator

Sugar Land, TX
onsite
Permanent / Full Time
120000 - 140000 USD / Yearly
We are seeking a Systems Administrator with experience managing enterprise infrastructure and leading cloud migration initiatives. This role will support on-premises and cloud environments while helping drive modernization efforts across the organization.Responsibilities<ul><li>Administer Windows Server, Active Directory, Citrix, Exchange 2019, Exchange Online, file servers, and remote access solutions.</li><li>Support and maintain hybrid cloud environments.</li><li>Lead infrastructure and cloud migration projects from planning through implementation.</li><li>Develop and maintain disaster recovery and business continuity processes.</li><li>Perform system upgrades, patching, maintenance, and security remediation.</li><li>Monitor system performance, availability, and compliance.</li><li>Coordinate with vendors and internal IT teams to deliver infrastructure projects.</li><li>Provide occasional on-call support.</li></ul>
2026-10-05T00:00:00Z

Systems Security Administrator

Houston, TX
onsite
Temporary / Contract
57 - 66 USD / Hourly
We are looking for a Systems Security Administrator to support and strengthen the security posture of our transport operations in Houston, Texas. This Long-term Contract position is ideal for someone who is detail oriented and can monitor threats, respond to incidents, and maintain security platforms across a Microsoft-centered environment. The role requires a hands-on approach to endpoint protection, vulnerability management, and defensive monitoring, along with the ability to collaborate effectively with technical teams. Success in this position will come from combining sound security judgment with clear communication and dependable operational support. Responsibilities: • Monitor Microsoft security technologies, including Office 365 E5 security capabilities and endpoint protection tools, to identify, assess, and resolve cyber threats. • Respond to security events with urgency by investigating alerts, containing risks, and supporting remediation efforts across affected systems. • Administer and optimize vulnerability management platforms such as Rapid7 or Tenable, including tuning scans and helping drive effective patching activities. • Review intrusion detection and prevention alerts, examine suspicious behavior, and conduct proactive threat-hunting activities to uncover potential risks. • Maintain and support security applications through installation, configuration, updates, and ongoing system upkeep. • Help develop, apply, and reinforce security policies and technical controls across the environment. • Work closely with internal teams to address security issues tied to patch cycles, system hardening, and operational challenges. • Provide support during after-hours or weekend security incidents when timely response is required. • Contribute to DevSecOps-related security efforts where applicable, including collaboration with development and toolchain environments such as GitHub. • Assist in strengthening security architecture by applying knowledge of Windows systems, networking, firewalls, and defensive best practices.
2026-10-07T00:00:00Z

Senior Network Administrator

Pasadena, TX
onsite
Permanent / Full Time
110000 - 125000 USD / Yearly
We are looking for an experienced Senior Network Administrator to support and strengthen the enterprise technology environment in the Houston downtown area. This role leads the reliability, performance, and security of network infrastructure while partnering with internal teams and external vendors to resolve issues and improve long-term operations. The ideal candidate brings deep technical expertise across on-premises and cloud-based platforms, along with a proactive approach to standardization, risk reduction, and continuous improvement. Responsibilities:• Define and uphold enterprise network standards, architecture guidelines, and infrastructure best practices across the organization.• Deploy, configure, and support servers, network hardware, and virtual infrastructure to maintain dependable day-to-day operations.• Investigate outages, connectivity problems, and system alerts, escalating when needed and coordinating with IT teams and service providers to prevent repeat issues.• Provide technical support for IP-connected devices such as printers, scanners, and mobile endpoints to ensure consistent connectivity and usability.• Review network activity for suspicious behavior, identify vulnerabilities, and implement corrective measures to protect systems and data.• Manage records for network equipment, software assets, and licensing to maintain accurate inventory and lifecycle visibility.• Keep network diagrams, monitoring tools, and alerting structures current so device status, location, and incidents can be tracked at all times.• Perform recurring tasks such as vulnerability scans, access reviews, patch scheduling, backup validation, and disaster recovery testing to strengthen operational resilience.• Guide users and stakeholders on new systems, tools, and equipment by delivering practical training and support as needed.
2026-10-05T00:00:00Z

5 results for Systems Administrator in Houston, TX