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5 results for Systems Security Manager in Houston, TX

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

Systems Administrator- M365

Spring, TX
onsite
Permanent / Full Time
110000 - 135000 USD / Yearly
We are looking for an experienced Systems Administrator- M365 to support and maintain core enterprise infrastructure in The Woodlands, Texas. This role focuses on ensuring the stability, security, and performance of Microsoft-based environments while delivering reliable end-user computing support. The ideal candidate brings strong hands-on experience across server administration, directory services, virtualization-related access tools, and Microsoft 365 technologies. Responsibilities: • Administer and support Microsoft 365 services to keep collaboration and productivity platforms running efficiently across the organization. • Maintain Active Directory, including user provisioning, group management, access controls, and policy enforcement. • Manage Windows Server environments by handling configuration, patching, monitoring, and ongoing performance optimization. • Provide support for Windows 10 endpoints, resolving operating system issues and improving device reliability for end users. • Troubleshoot and maintain infrastructure built on Dell Technologies hardware to ensure dependable system operation. • Support Citrix-based environments and address access, performance, and session-related issues for remote and on-site users. • Monitor system health, investigate incidents, and implement corrective actions to minimize downtime and service disruption. • Document administrative procedures, technical configurations, and support activities to strengthen operational consistency.
2026-07-20T00:00:00Z

Director of Cybersecurity

Waller, TX
onsite
Permanent / Full Time
180000 - 240000 USD / Yearly
We are seeking a collaborative Head of Cybersecurity to lead and evolve the organization's security strategy while fostering strong partnerships across IT and the business. This leader will work closely with executives, technology teams, and business stakeholders to balance security, operational needs, and business objectives. The ideal candidate brings deep cybersecurity expertise, a pragmatic approach to risk management, and the ability to influence through partnership rather than mandate.Key Responsibilities<ul><li>Develop and execute the enterprise cybersecurity strategy aligned with business goals.</li><li>Partner with IT, business leaders, and global teams to embed security into technology and operational initiatives.</li><li>Lead security operations, incident response, threat detection, vulnerability management, and risk reduction efforts.</li><li>Advance cloud security, identity and access management, Zero Trust, and data protection capabilities.</li><li>Establish security governance, policies, standards, and compliance programs while promoting a culture of shared responsibility.</li><li>Provide guidance and consultation on major initiatives, including cloud, AI, and digital transformation projects.</li><li>Build and mentor a high-performing cybersecurity team and manage external security partners.</li><li>Communicate security priorities, risks, and program maturity to executive leadership in a clear and business-focused manner.</li></ul>
2026-07-14T00:00:00Z

Senior Systems Engineer

Houston, TX
onsite
Permanent / Full Time
120000 - 130000 USD / Yearly
We are looking for a Senior Systems Engineer to support and enhance the technology environment for employees in Houston, Texas. This position blends advanced infrastructure administration with responsive end-user support, requiring someone who can troubleshoot urgent technical issues while also identifying opportunities to strengthen systems, security, and reliability. The ideal candidate brings a service-oriented mindset, strong technical judgment, and the ability to deliver a high-quality experience for staff at all levels, including executive leadership. Responsibilities: • Provide hands-on technical assistance for employees, addressing issues involving workstations, applications, Microsoft 365, network access, and connected devices. • Act as the highest point of escalation for challenging support requests, ensuring timely resolution and maintaining accurate service documentation. • Oversee employee technology setup and separation activities, including account creation, device configuration, access changes, and equipment collection. • Administer the Microsoft 365 environment, including Exchange Online, Teams, SharePoint, OneDrive, Intune, Entra ID, Defender, and Purview, while managing licenses and access policies. • Maintain core Windows Server services such as Active Directory, Group Policy, remote access components, and file-sharing infrastructure. • Support and optimize the Nutanix platform by monitoring cluster performance, availability, and resource utilization across the environment. • Manage Cisco Meraki networking solutions, including security appliances, switching, wireless infrastructure, and SD-WAN settings through the centralized dashboard. • Strengthen cybersecurity operations by supporting endpoint protection, threat monitoring, audit readiness, access reviews, and IT risk documentation. • Ensure conference room technology remains dependable by administering Microsoft Teams Rooms, maintaining Logitech collaboration hardware, and performing proactive room readiness checks. • Create and refine technical standards, operational runbooks, patching routines, backup validation, disaster recovery documentation, and controlled infrastructure changes.
2026-07-14T00:00:00Z