Add your latest resume to match with open positions.

4 results for Systems Security Manager in Houston, TX

Systems Security Administrator

Houston, TX
onsite
Temporary / Contract
66.5 - 77 USD / Hourly
We are looking for a Systems Security Administrator to support and strengthen enterprise security operations for an organization in Houston, Texas. This Long-term Contract position is ideal for a detail-oriented individual who can monitor threats, respond decisively to incidents, and help maintain a secure Microsoft-based environment. The role will work across security tools, vulnerability management processes, and infrastructure protection efforts while collaborating closely with technical teams to reduce risk and improve response readiness. Responsibilities:• Monitor security platforms across the Microsoft ecosystem, including O365 E5 security solutions and endpoint protection tools, to identify and address potential threats quickly.• Investigate alerts, analyze suspicious activity, and take appropriate containment and remediation steps to minimize operational and security impact.• Administer and optimize SIEM and endpoint security technologies to improve detection accuracy, response efficiency, and overall platform performance.• Manage vulnerability assessment tools such as Rapid7 or Tenable, including configuration tuning, reporting, and coordination of remediation priorities.• Partner with internal teams to support patching efforts and help resolve challenges that affect vulnerability reduction and security compliance.• Conduct proactive threat hunting and review intrusion detection and prevention data to uncover indicators of compromise or abnormal behavior.• Install, maintain, and update security applications and controls to ensure continued effectiveness across the environment.• Apply and support security policies, standards, and architecture practices across Windows systems, networking components, and firewall-related controls.• Provide support during security events outside standard business hours when urgent incident response is required.• Contribute to secure development and operational practices by collaborating with teams that use DevSecOps-related tools such as GitHub and similar platforms.
2026-04-28T00:00:00Z

Systems Administrator

Sugar Land, TX
onsite
Temporary / Contract
50 - 55 USD / Hourly
Responsibilities<ul><li>Provide daily administration and support for server and infrastructure environments, ensuring availability, performance, security, and recoverability.</li><li>Design, deploy, and maintain Windows Server environments including Active Directory, DNS, DHCP, Group Policy, IIS, RDS, and file/print services.</li><li>Lead server, virtualization, and infrastructure upgrades, including server refreshes and cloud or hybrid integrations.</li><li>Monitor systems and infrastructure, troubleshoot complex Tier 2/3 issues, and act as an escalation point.</li><li>Manage VMware environments (ESXi, HA, DRS, clustering, snapshots, server cloning).</li><li>Oversee Microsoft SQL Server environments, including backups, patching, and performance tuning.</li><li>Coordinate backups, disaster recovery planning, and system recovery efforts.</li><li>Recommend and implement improvements to system and network configurations.</li><li>Work with vendors and internal teams on system implementations and issue resolution.</li></ul>
2026-04-21T00:00:00Z

Systems Administrator

Sugar Land, TX
onsite
Permanent / Full Time
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

Systems Administrator - EcoSys Platform

Houston, TX
onsite
Permanent / Full Time
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