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3 results for Network Security Administrator in Houston, TX

Systems Security Administrator

Houston, Texas
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.
2026-09-23T00:00:00Z

Cyber Security Engineer

Galveston, Texas
onsite
Temporary to Hire
27.7115 - 32.087 USD / Hourly
We are looking for a Cyber Security Engineer to support and strengthen enterprise security operations in Houston, Texas. This contract opportunity is ideal for a hands-on, detail-oriented candidate who can protect network environments, improve security controls, and help maintain a stable and compliant infrastructure. The role focuses on firewall administration, security engineering, and configuration oversight across critical systems. Responsibilities:• Manage and enhance network security controls to safeguard systems, data, and connectivity across the environment.• Administer and optimize Check Point and Cisco ASA firewall platforms, including rule reviews, updates, and performance tuning.• Investigate security risks and implement corrective actions to reduce exposure and improve defensive posture.• Maintain accurate configuration standards and documentation to support secure, consistent infrastructure management.• Monitor firewall activity and security events to identify anomalies, respond to issues, and recommend improvements.• Partner with technical teams to design, test, and deploy security measures that align with operational needs and compliance expectations.• Perform ongoing reviews of access controls and network segmentation to ensure appropriate protection for business systems.
2026-09-23T00:00:00Z

Level 3 Cybersecurity Analyst

Houston, Texas
onsite
Temporary / Contract
64.125 - 74.25 USD / Hourly
We are looking for an experienced Level 3 Cybersecurity Analyst to support and strengthen enterprise security operations in Houston, Texas. This Long-term Contract position is ideal for a detail-oriented candidate who can protect Windows-based environments, administer secure access, and help maintain resilient infrastructure across end-user and server platforms. The role combines hands-on security administration with system oversight, requiring strong judgment, technical depth, and the ability to work across core technologies such as Active Directory, Microsoft Windows Server, Windows 10, Dell platforms, and Citrix environments. Responsibilities: • Oversee security administration activities across enterprise systems, with a focus on protecting Windows server and desktop environments. • Manage identity and access controls within Active Directory, including account provisioning, permissions review, and policy enforcement. • Monitor, maintain, and harden Microsoft Windows Server infrastructure to support secure and reliable business operations. • Support endpoint security for Windows 10 devices by addressing vulnerabilities, applying controls, and coordinating remediation efforts. • Administer and troubleshoot security-related issues across Dell Technologies hardware and associated enterprise platforms. • Maintain secure access and session integrity within Citrix environments, resolving risks that could affect availability or user productivity. • Investigate system security events, analyze operational issues, and implement corrective actions to reduce exposure and improve stability. • Document configurations, security procedures, and administrative activities to support compliance, audit readiness, and operational consistency.
2026-09-23T00:00:00Z