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# TC IT Sr Security System Admin

- **Company:** Miami-Dade County
- **Location:** Miami-Dade County, FL, United States
- **Experience:** Expert
- **Salary:** $99,786.0 - $163,630.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Application Firewall, Cyber Security, Linux, Disaster Recovery, Identity and Access Management, Systems Analysis, Intrusion Detection and Prevention, Intrusion Detection Systems, Virtual Private Networks (VPN), Security Information and Event Management, Software Vulnerability Management, EndPointSecurity, Cloud Platform System, Okta, Firewalls (Computer Science), Patch Management, CIS Benchmarks
- **Published:** October 3, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=06c8678b22923ab1

## About the Role

Bachelor s degree. Six years of experience in multiple Cybersecurity technologies, systems analysis, framework and regulatory requirements, systems design and implementation, maintenance, administration, endpoint detection and remediation, vulnerability management, and Cybersecurity policy and compliance. Additional experience in multiple Cybersecurity technologies, systems analysis, framework and regulatory requirements, systems design and implementation, maintenance, administration, endpoint detection and remediation, vulnerability management, and familiarity with Cybersecurity policy and compliance may substitute for the required education on a year-for-year basis.

## Description

Security Infrastructure Management: Deploy, configure, and maintain enterprise security solutions, including Next-Gen Firewalls (NGFW), VPNs, Intrusion Detection/Prevention Systems (IDS/IPS), and Web Application Firewalls (WAF).

Endpoint & Identity Security: Administer Endpoint Detection and Response (EDR) platforms, mobile device management (MDM), and Identity and Access Management (IAM) systems (e.g., Active Directory, Entra ID, Okta).

System Hardening: Develop and apply security baselines across Windows, Linux, and cloud environments. Oversee automated patch management and vulnerability remediation processes.

Monitoring & Incident Response: Administer the SIEM platform, fine-tune alerting rules to reduce false positives, and serve as an escalation point for security incidents and threat hunting.

Documentation: Maintain accurate documentation of the security architecture, disaster recovery procedures, and access control matrices. Assist in internal and external security audits.