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# Network Security Administrator

- **Company:** Systemtec, Inc.
- **Location:** Columbia, SC, United States
- **Experience:** Experienced
- **Salary:** $114,400.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Apple Mac Systems, Microsoft Azure, Health Informatics, CompTIA Security+, Cyber Security, Information Systems, Computer Networks, Intrusion Detection Systems, Network Security, Linux System Administration, Microsoft Office, Network Configuration and Change Management, Network Planning and Design, Network Monitoring, Routing, Network Administration, Information Technology Security Auditing, Security Information and Event Management, Systems Integration, Windows Desktop, Cloud-native Network Functions (CNF), Cloud Platform System, In-Plane Switching (IPS), QRadar, Firewalls (Computer Science), Information Technology, Performance Monitor, Nessus, Firewall Services Module, Splunk, Qualys, Vulnerability Analysis
- **Published:** October 26, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=973261e1c9693b48

## About the Role

* Applicants must be authorized to work for any employer in the U.S. We are unable to provide sponsorship or work with Third-Party agencies.
 * Must currently reside in South Carolina; relocation is not permitted.
 * Bachelor's degree in Computer Science, Information Systems, Cybersecurity, or a related field, or at least five years of equivalent experience.
 * Network security certification such as CCNA or PCNSE.
 * 3-5 years of hands-on experience in network design, implementation, support, or security.
 * Experience in IT security, network administration, or systems administration.
 * Knowledge of secure network architecture, routing and switching, enterprise firewalls, IDS/IPS, access controls, and network monitoring.
 * Ability to analyze security logs, alerts, network traffic, and telemetry to identify potential threats.
 * Familiarity with Windows, macOS, and Linux environments, along with network auditing and vulnerability assessment.
 * Proficiency with Microsoft Office and the ability to evaluate network configurations for security risks.

Preferred Skills/Experience of the Network Security Administrator:

 * CISSP or CompTIA Security+ certification.
 * Experience in healthcare IT, state government, or regulated environments.
 * Knowledge of NIST, FISMA Risk Management Framework, CMS ARC-AMPE, HIPAA, and related security standards.
 * Experience with SIEM tools such as Splunk or QRadar and vulnerability scanners such as Nessus or Qualys.
 * Familiarity with cloud network security controls in Azure or AWS, including vendor integrations and multi-tenant environments.

## Description

* Monitor network security events, investigate alerts, analyze potential threats, and support incident response activities.
 * Evaluate firewall rules, connectivity requests, network configurations, and proposed infrastructure changes to identify security risks.
 * Assess on-premises and cloud networks, analyze traffic patterns, and identify vulnerabilities or deviations from approved security standards.
 * Support network security improvements, infrastructure projects, and implementation of technical safeguards.
 * Assist with compliance assessments, firewall audits, ruleset reviews, KPI tracking, and security trend reporting.
 * Collaborate with technical teams and external partners to implement security controls, recommend countermeasures, and promote network security best practices.