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9 results for Senior Systems Administrator in Houston, TX

Sr. Systems Administrator

Sugar Land, TX
onsite
Temporary
48 - 52 USD / Hourly
Key Responsibilities<ul><li>Administer and support Windows-based infrastructure, including servers, storage, operating systems, and applications, ensuring performance, availability, and recoverability</li><li>Design, deploy, and maintain Windows Server services (Active Directory, DNS, DHCP, GPO, IIS, RDS, file/print)</li><li>Lead server lifecycle activities including upgrades, migrations, virtualization, and cloud integrations</li><li>Troubleshoot escalated Tier 2/3 system and infrastructure issues</li><li>Monitor system performance, security, and capacity; recommend improvements and required hardware/software changes</li><li>Manage backups, disaster recovery, and system restoration efforts</li><li>Oversee Microsoft SQL Server environments including backups, patching, and performance tuning</li><li>Collaborate with vendors and third-party partners as needed</li></ul>
2026-04-03T00:00:00Z

Systems Administrator

Galveston, TX
onsite
Contract / Temporary to Hire
47.5 - 55 USD / Hourly
We are looking for a skilled Systems Administrator to join our team in Galveston, Texas. In this Contract to permanent position, you will play a vital role in managing and enhancing our IT infrastructure while ensuring optimal system performance and security. This is an excellent opportunity to contribute to a government organization and work in a dynamic and fast-paced environment. Responsibilities: • Diagnose and resolve complex system issues to maintain high levels of functionality and performance. • Develop and implement both short- and long-term IT designs that adhere to organizational and industry standards. • Prepare and update detailed documentation, ensuring compliance with technology standards and facilitating architecture reviews. • Create and manage technology roadmaps while maintaining infrastructure and business process audits. • Provide technical guidance and mentorship to entry level team members, fostering growth and skill development. • Translate organizational objectives into actionable IT requirements and recommend solutions aligned with strategic goals. • Conduct quality assurance testing and develop comprehensive test plans based on thorough analysis of business needs. • Administer backup and restoration processes for hybrid cloud environments to ensure high availability. • Oversee Windows server management and administration while maintaining cloud infrastructure, including Microsoft Azure. • Manage virtualization technologies such as VMware and conduct disaster recovery planning for hybrid cloud environments.
2026-04-14T00:00:00Z

Systems Administrator

Houston, TX
remote
Temporary
66.5 - 77 USD / Hourly
We are seeking a skilled and detail-oriented Systems Administrator to join our team. The ideal candidate will be responsible for the installation, maintenance, and optimization of IT systems and networks to ensure smooth daily operations. This role requires expertise in troubleshooting, problem-solving, and ensuring system security and performance at all times. Key Responsibilities: System Maintenance: Install, configure, and maintain servers, applications, and hardware for organizational systems.Performance Monitoring: Monitor system performance and availability and perform routine system checks to ensure all IT systems run efficiently.Troubleshooting: Respond promptly to issues reported by users and resolve technical problems efficiently.Upgrades & Patches: Apply software and hardware updates, patches, and fixes as needed to maintain optimal system operation and security.Security Enforcement: Implement, manage, and monitor security protocols to protect systems from breaches and ensure compliance with cybersecurity standards.Backup & Recovery: Manage backup procedures and disaster recovery plans to safeguard critical data.Documentation: Maintain accurate and up-to-date documentation for systems, configurations, and troubleshooting steps.Collaboration: Work with IT and cross-functional teams to support projects, improve systems, and streamline operations.User Support: Provide Tier 2 technical support to end users for issues related to system functionality or access.Network Management: Ensure the proper functioning of network devices, including servers, switches, and routers.Qualifications: Bachelor’s degree in Information Technology, Computer Science, or a related field (or equivalent experience).Proven experience as a Systems Administrator or similar role.Knowledge of operating systems such as Windows, Linux, and macOS.Proficiency in networking concepts and protocols (DNS, DHCP, TCP/IP, etc.).Experience with virtualization tools such as VMware, Hyper-V, or similar platforms.Familiarity with cloud technologies like AWS, Azure, and Google Cloud is preferred.Strong troubleshooting and problem-solving skills.Excellent communication skills and the ability to collaborate in a team environment.Certifications such as CompTIA Network+, CompTIA Security+, or Microsoft Certified: Azure Administrator are a plus.
2026-04-14T00:00:00Z

Systems Administrator

Sugar Land, TX
onsite
Permanent
120000 - 140000 USD / Yearly
We are looking for a skilled Systems Administrator to manage and maintain our organization’s server systems and infrastructure. This role requires expertise in ensuring system performance, security, and reliability across various platforms. Located in Sugar Land, Texas, this position offers the opportunity to contribute to critical IT projects and support business continuity initiatives. Responsibilities: • Provide daily support for servers, systems, and remote access, including Active Directory, Citrix, Microsoft environments, file servers, Exchange 2019, and hybrid configurations with Exchange Online. • Coordinate and oversee IT projects, including planning, communication, and documentation of system changes. • Collaborate with vendors to manage outsourced services and ensure project deliverables. • Develop, implement, and maintain disaster recovery and business continuity processes, participating actively in related exercises. • Work closely with network, systems, and applications teams to support server hardware, software, and applications. • Ensure compliance with security policies and procedures, maintaining system integrity. • Plan and execute preventive maintenance, including software and hardware upgrades, patch management, and firmware updates. • Monitor and report on information security metrics, addressing vulnerabilities and compliance issues. • Stay informed on changes in IT security regulations and industry developments. • Provide occasional on-call support for infrastructure needs and travel as required.
2026-04-03T00:00:00Z

Database Adminsitrator

Houston, TX
onsite
Temporary
0 - 0 USD / Yearly
Robert Half is looking for a database administrator who loves the challenge of solving problems with multiple layers of complexity. If you are an efficient problem solver with highly tuned decision making skills, this may be the position for you. What you get to do every single day · Install, configure, and maintain all SQL Server instances across development, staging, and production environments · Ensure database server topology, configuration, and maintenance are designed and executed to meet SLA objectives · Advise on database design, tuning options, and other potential issues · Fix SQL Server service outages as they occur, including after hours and weekends · Configure SQL Server monitoring utilities to minimize false alarms · Baseline system performance and monitor for deviation, recommending and implementing improvements to slow running queries · When performance issues arise, you'll figure out the most effective way to increase performance including hardware purchases, server configuration changes, or index/query changes
2026-04-03T00:00:00Z

Systems Administrator - EcoSys Platform

Houston, TX
onsite
Permanent
130000 - 150000 USD / Yearly
We are looking for a highly skilled Systems Administrator to oversee and enhance critical project cost systems for large-scale export initiatives. This position involves close collaboration with the Project Controls team to ensure optimal configuration, administration, and performance of EcoSys and associated applications. The ideal candidate will play a key role in maintaining system integrity, supporting end-users, and driving efficient project cost management. Responsibilities: • Configure and administer EcoSys modules, workflows, and settings within production and non-production environments. • Manage user provisioning and permissions based on least-privilege principles, ensuring secure access aligned with contracts and funding structures. • Convert business requirements into effective technical solutions and functional system enhancements. • Monitor system performance, troubleshoot issues, and collaborate with vendors to resolve technical challenges. • Implement system upgrades while adhering to established IT change management protocols. • Develop and maintain custom reports, dashboards, and data visualizations to support business operations. • Integrate EcoSys with other organizational platforms, maintaining smooth data flow and functionality. • Support customized configurations within EcoSys to meet specific contract module requirements. • Conduct advanced data analysis to assist project cost control teams and optimize system usage. • Manage and update master data, including organizational structures, contract lines, and security groups.
2026-04-03T00:00:00Z

Network Administrator

Galveston, TX
onsite
Temporary
45 - 50 USD / Hourly
Key Responsibilities<ul><li>Configure, deploy, and support enterprise network infrastructure, including switches, routers, firewalls, wireless controllers, access points, and SAN technologies</li><li>Administer and support both physical and virtual server environments</li><li>Configure and manage enterprise‑grade firewalls, including routing, VPNs, encryption, and security policies following industry best practices</li><li>Monitor network performance and availability using tools such as SolarWinds, Servers Alive, and FortiCloud</li><li>Perform troubleshooting, root cause analysis, and issue resolution across complex Layer 2/3 and physical network topologies</li><li>Apply firmware updates, security patches, and system upgrades to critical infrastructure</li><li>Develop and maintain detailed documentation related to network topology, configurations, changes, patching, and service records</li><li>Evaluate network architecture and performance impacts to applications and end‑user experience</li><li>Collaborate with vendors and service providers, documenting findings, recommendations, and resolutions</li><li>Ensure compliance with data confidentiality policies and applicable state and federal regulations</li></ul>
2026-04-03T00:00:00Z

Network Administrator with VoIP

Sugar Land, TX
onsite
Permanent
110000 - 130000 USD / Yearly
The individual in this position will handle daily support practices, incident support, projects, etc. and provide feedback to the technical and leadership teams. Network Engineers install and maintain network & telecom infrastructure, collect network performance data, and resolve network issues in collaboration with vendors, and IT teams. They work at organizations' centralized network operations or data centers. It is expected that the candidate has demonstrated historical competency in networking while also has the technical aptitude to progress towards cross disciplinary technology operations support.Responsibilities• Provide Tier 3 Technical Support.• Occasional travel (primarily day travel by automobile) to branch sites within a region to address technical needs.• Resolve incidents by thorough troubleshooting delivering data-driven options utilizing the OSI model.• Execute or implement changes and infrastructure requests.• Install and configure network & telecom hardware and software, including routers, switches, firewalls, wireless access points, cubes, Adtrans.• Monitor network performance to identify and resolve issues promptly.• Maintain network security by implementing security measures and protocols per the Bank’s standards.• Manage network backup and recovery processes to ensure data integrity and availability.• Perform regular maintenance and updates on network & telecom systems to ensure optimal performance.• Troubleshoot and provide client support for technology and infrastructure issues.• Document and update incident technical details into service desk ticketing system.• Maintain comprehensive documentation of network configurations, changes, and inventory.• Generate regular reports on network performance, security incidents, and usage statistics.• Communicate with key stakeholders to provide frequent status updates regarding technical issues and status of the remediation efforts.• Execution of standard operational processes which involve technology and client interfaces.• Perform all triage functions• Extensive in-depth familiarity with Cisco IOS, UCS, UCM, UCCX, CER and monitoring platforms• Perform hardware replacements• Troubleshoot software or configuration related issues• Adhere to operating procedures• Identify and remediate possible major impacting events within the network• Work with vendors across the technology to provide the highest possible uptime rate of network services• Quickly identify the layer 1 and 2 connections to an IP address
2026-04-03T00:00:00Z

Systems Analyst BMC Helix

Sugar Land, TX
onsite
Permanent
80000 - 100000 USD / Yearly
We are looking for a skilled Systems Analyst specializing in BMC Helix to join our team in Houston Texas. This role requires a blend of technical expertise, problem-solving, and communication skills to support critical operational systems. The ideal candidate will have experience in the financial industry and a strong ability to manage multiple priorities with precision. Responsibilities:• Provide day-to-day operational support for the BMC Helix application, ensuring system functionality and resolving issues promptly.• Collaborate with technology teams to maintain and improve operations monitoring processes.• Communicate effectively with users and management regarding problem resolution and system updates.• Create and maintain technical documentation, including application procedures and workflows.• Track, route, and resolve problem calls while ensuring proper closure and documentation.• Perform configuration and administration tasks for the BMC Helix application, including workflows, views, and service request catalog setups.• Support compliance with change management and security policies to maintain system integrity.• Diagnose and troubleshoot production issues to minimize downtime and optimize performance.• Utilize advanced query creation to support custom and out-of-the-box application configurations.
2026-04-03T00:00:00Z