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4 results for Network Security Administrator in Houston, TX

Network Administrator

Houston, TX
onsite
Temporary / Contract
31.6635 - 36.663 USD / Hourly
We are looking for a highly organized Network Administrator to support an energy and natural resources team in Houston, Texas. This Long-term Contract position focuses on coordinating network support activities, monitoring ticket progress, and helping maintain timely resolution across a team of 15 network professionals. The ideal candidate brings strong attention to detail, solid Excel and documentation skills, and the ability to follow up consistently to keep work moving efficiently. Responsibilities: • Track open network support requests and follow up with team members to help ensure issues are addressed within expected timeframes. • Maintain accurate records, status updates, and supporting documentation for network-related activities and outstanding work items. • Partner closely with network leadership to provide day-to-day administrative and operational support across the team. • Review aging tickets, identify overdue items, and communicate next steps to encourage timely closure and resolution. • Use Excel to organize data, prepare reports, and monitor service trends, backlog activity, and team follow-up needs. • Help coordinate workload visibility for a 15-person network team by keeping task status information current and accessible. • Support service management processes by assisting with ticket oversight and documenting updates in applicable systems when needed.
2026-07-28T00:00:00Z

Network Administrator

Houston, TX
onsite
Temporary to Hire
36.1 - 41.8 USD / Hourly
We are looking for a Network Administrator to support and maintain critical network operations for an education-focused environment in Houston, Texas. This contract opportunity is ideal for someone who is detail oriented and can keep network infrastructure secure, reliable, and efficient while supporting day-to-day connectivity needs. The role will work across core networking, firewall administration, and user access systems to ensure stable performance and strong security practices. Responsibilities: • Manage and maintain local area network infrastructure to support dependable connectivity across the organization. • Configure, monitor, and troubleshoot Cisco routers and related networking equipment to optimize performance and uptime. • Administer firewall solutions by applying security policies, reviewing traffic activity, and responding to network threats or access issues. • Support Active Directory environments by maintaining account access, permissions, and integration with network resources. • Diagnose network outages, latency concerns, and connectivity problems, then implement timely corrective actions. • Perform routine network monitoring, document configurations, and recommend improvements that strengthen reliability and security. • Collaborate with internal teams to support infrastructure updates, equipment changes, and network-related technical initiatives.
2026-08-03T00:00:00Z

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>
2026-07-14T00:00:00Z

Senior Systems Administrator

Houston, TX
onsite
Temporary / Contract
55 - 58 USD / Hourly
We are seeking an experienced Senior Systems Administrator to support and modernize enterprise infrastructure across both on-premises and cloud environments. This role is responsible for maintaining the reliability, security, scalability, and performance of critical IT systems while helping drive cloud adoption and infrastructure modernization initiatives. The ideal candidate will bring strong expertise in systems administration, virtualization, networking, storage, Active Directory, and firewall management, along with hands-on experience supporting cloud platforms such as AWS, Azure, or Google Cloud Platform (GCP). This is an excellent opportunity for a self-motivated IT professional who enjoys working across diverse technologies in a hybrid infrastructure environment. Key Responsibilities<ul><li>Administer, maintain, and troubleshoot Windows and Linux server environments.</li><li>Manage enterprise networking infrastructure and ensure optimal performance, reliability, and security.</li><li>Configure and maintain firewall policies and security controls.</li><li>Monitor system health, availability, and performance across on-premises and cloud environments.</li><li>Perform operating system upgrades, patch management, and infrastructure maintenance.</li><li>Support and manage VMware virtualized environments.</li><li>Administer hybrid cloud infrastructure across AWS, Azure, GCP, or similar cloud platforms.</li><li>Design, deploy, and maintain cloud-based infrastructure, networking, security, and monitoring solutions.</li><li>Develop automation solutions and Infrastructure as Code (IaC) deployments to improve operational efficiency.</li><li>Conduct system audits and ensure compliance with security and operational standards.</li><li>Troubleshoot and resolve infrastructure issues while providing high-quality technical support.</li><li>Maintain documentation including system configurations, architecture diagrams, operational procedures, and project updates.</li><li>Manage Active Directory, domain controllers, DNS, DHCP, and Group Policy Objects (GPOs).</li><li>Support enterprise storage technologies and backup solutions.</li><li>Coordinate with vendors and third-party service providers.</li><li>Participate in infrastructure upgrades, migrations, and cloud transformation projects.</li><li>Collaborate with technical teams and stakeholders to deliver infrastructure solutions and support business objectives.</li></ul>
2026-07-29T00:00:00Z