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# Network Security Administrator

- **Company:** Robert Half
- **Location:** Rock Hill, SC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Software System Penetration Testing, Microsoft Azure, Cyber Security, Virtual Private Networks (VPN), Network Security, Local Security Policy, Windows Servers, Network Administration, Azure Active Directory, Security Information and Event Management, Software Vulnerability Management, Cloud Platform System, Information Technology, Vulnerability Analysis
- **Published:** October 15, 2026
- **Apply:** https://dejobs.org/x/x/CE08FA36D4204CDBBA5608F0B5A67F2F/job/

## About the Role

Requirements * Bachelor's degree in Cyber Security, Information Technology, Computer Science, or a related field.

 * At least 5 years of experience in cybersecurity, systems administration, network administration, cloud administration, or a combination of these areas.

 * Proven hands-on experience responding to security incidents, investigating alerts and logs, and completing remediation work.

 * Strong background supporting Microsoft environments, including Windows Server, Active Directory, Microsoft 365, and Azure services.

 * Experience with vulnerability management processes, including assessment review, prioritization, and corrective action.

 * Working knowledge of network security concepts such as firewalls, VPNs, segmentation, SIEM, and enterprise security monitoring.

 * Prior leadership, supervisory, or team coordination experience in an IT or security setting.

 * Valid driver's license. Technology Doesn't Change the World, People Do.®

## Description

We are looking for an experienced Systems Security Administrator to support and strengthen a local government technology environment in South Carolina. This contract-to-permanent position is ideal for a hands-on candidate who can secure infrastructure, investigate threats, and take direct action to resolve issues across on-premises and cloud systems. The role requires a strong background in systems and network administration, along with the ability to communicate effectively with both technical teams and business stakeholders., * Oversee daily security operations by monitoring alerts, reviewing system and network activity, and identifying risks that could affect the organization's technology environment.

 * Investigate cybersecurity events, determine root cause, and carry out remediation steps to contain threats and restore secure operations.

 * Lead response efforts for security incidents, including urgent issues that may require after-hours support for critical events.

 * Administer and harden core infrastructure such as Windows Server, Active Directory, Azure AD, Microsoft 365, and Azure-based services.

 * Evaluate security settings across cloud, on-premises, and hybrid platforms and implement improvements that strengthen overall protection.

 * Manage vulnerability assessment and remediation activities by prioritizing findings, coordinating fixes, and validating resolution.

 * Organize and support security audits, penetration testing activities, and follow-up actions to address identified gaps.

 * Develop and maintain security policies, technical documentation, awareness materials, and reporting for leadership and compliance needs.

 * Supervise assigned staff or resources, coordinate vendor support, and serve as a trusted security advisor to departments across the organization.