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4 results for Network Security Administrator in Phoenix, AZ

Network Security Administrator

Phoenix, AZ
onsite
Temporary / Contract
38 - 44 USD / Hourly
We are looking for a Network Security Administrator to support and strengthen enterprise security operations in Phoenix, Arizona. This Long-term Contract position focuses on protecting network infrastructure, improving application and cyber security practices, and maintaining effective threat monitoring across the environment. The ideal candidate will bring hands-on experience with security platforms and firewalls while helping ensure a resilient and well-governed security posture. Responsibilities: • Administer and enhance network security controls to safeguard enterprise systems, applications, and data assets. • Configure, monitor, and maintain SIEM tools to identify suspicious activity, investigate alerts, and support timely incident response. • Manage and optimize Palo Alto firewalls and related security policies to enforce secure connectivity across the organization. • Support application security efforts by reviewing risks, recommending protections, and collaborating with technical teams on remediation. • Oversee enterprise security measures across network environments, ensuring alignment with security standards and operational needs. • Troubleshoot security-related network issues and implement corrective actions to maintain availability and protection. • Work with Aruba networking technologies to support secure access, segmentation, and overall infrastructure performance. • Document security configurations, procedures, and findings to promote consistency, audit readiness, and knowledge sharing.
2026-06-29T00:00:00Z

Information Security Specialist

Sacaton, AZ
onsite
Permanent / Full Time
90000 - 125000 USD / Yearly
Robert Half's client in Sacaton, Arizona is seeking an InfoSec Specialist. This role oversees the information technology security assurance programs. Reports on compliance levels and identifies non-compliance issues, suspicious activities or behavior, and vulnerabilities. Manages remediation activities and logs security assessments. Ensures that information created, acquired, or maintained by Gila River Health Care is used for its intended purpose and complies with privacy requirements. Critical Tasks:<ul><li>Implements effective and innovative technology solutions and processes that prevent internal and external users from compromising data integrity.</li><li>Creates security checks in the infrastructure that help deter hackers, spyware, and other malware from being installed on endpoints while working with internal information technology support team to mitigate detected vulnerabilities.</li><li>Works with network and systems team to perform tests and uncover network vulnerabilities.</li><li>Investigates security breaches and other cyber security incidents while assessing the damage and documents assessments.</li><li>Reports serious incidents to leadership.</li><li>Trains and educates staff in proper computer use and security awareness while providing tips to avoid data lass or corruption. Advises end users on security incident trends and effective counteractive measures.</li><li>Creates, improves, and maintains information technology security policies, baselines, standards, and procedures.</li><li>Performs other job-related activities as requested. Continually tracks trends in the information security community</li></ul>
2026-06-26T00:00:00Z

Systems Administrator

Tempe, AZ
onsite
Temporary / Contract
30 - 32 USD / Hourly
We are looking for an experienced Systems Administrator to support and maintain core IT infrastructure in Tempe, Arizona. This Long-term Contract position focuses on ensuring reliable system performance, user support, and secure administration across server and desktop environments. The ideal candidate will bring strong technical knowledge in Microsoft-based systems and a hands-on approach to troubleshooting, platform support, and environment stability. Responsibilities: • Administer and maintain Active Directory, including user accounts, group policies, permissions, and overall directory health. • Support Microsoft Windows Server environments by monitoring performance, applying updates, and resolving system issues. • Provide technical support for Windows 10 endpoints, including configuration, troubleshooting, and ongoing maintenance. • Manage and support Dell hardware across the environment, coordinating diagnostics, repairs, and lifecycle activities as needed. • Maintain Citrix infrastructure and assist users with access, session stability, and application delivery issues. • Investigate and resolve infrastructure incidents in a timely manner to minimize disruption to business operations. • Perform routine system checks, patching, and documentation to help maintain a secure and stable computing environment.
2026-06-15T00:00:00Z

Linux Systems Administrator

Phoenix, AZ
onsite
Permanent / Full Time
80000 - 85000 USD / Yearly
We are looking for an experienced Linux Systems Administrator to support and strengthen the organization’s infrastructure in Phoenix, Arizona. This position centers on Linux administration and Kubernetes operations while also contributing to security, automation, and day-to-day platform reliability. The ideal candidate brings a practical approach to troubleshooting, a strong foundation in modern infrastructure tools, and the ability to keep critical environments stable, secure, and scalable. Responsibilities:• Administer Linux-based server environments across physical and virtual systems, ensuring dependable performance and consistent availability.• Oversee patching, backups, health checks, and ongoing monitoring to keep infrastructure secure and operating efficiently.• Diagnose and resolve server, network, and application performance issues while serving as an escalation point for complex support needs.• Manage and maintain Kubernetes clusters in cloud or on-premises environments, including upgrades, resilience planning, and recovery readiness.• Support containerized workloads by configuring namespaces, access controls, network rules, and persistent storage within Kubernetes.• Build and improve automation for provisioning, deployment, and operational tasks using scripting and infrastructure-as-code tools.• Partner with engineering teams to refine container deployment practices, release workflows, and platform standards.• Apply security controls across systems and clusters by addressing vulnerabilities, reinforcing hardening measures, and supporting compliance efforts.• Maintain accurate technical documentation, including architecture diagrams, operational procedures, and support runbooks.
2026-06-22T00:00:00Z