Network Systems & Data Security Administrator
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Key skills for this role
About the Role
FNRCO seeks an experienced Network Systems & Data Security Administrator to manage network security infrastructure, including firewalls, NAC, endpoint protection, and vulnerability management.
Key Skills for This Role
Responsibilities
- Administer, configure, and manage Cisco Firepower Firewalls and Cisco FMC for centralized policy management
- Support and maintain Palo Alto firewalls including policy tuning, NAT, and traffic inspection
- Manage Web Proxy (Broadcom Bluecoat) for secure internet access and URL filtering
- Administer DDoS protection solutions (Arbor, Akamai) to ensure network resilience
- Configure and support F5 platforms including APM, ASM, and GTM
- Administer Cisco ISE for authentication, authorization, and accounting
- Manage ForeScout NAC for device visibility and network admission control
- Administer Endpoint Protection platforms (Symantec Endpoint Protection, Microsoft Defender)
- Administer vulnerability management tools including Qualys and Tenable Nessus
- Support implementation of Microsoft DLP and Microsoft Purview from an infrastructure integration standpoint
Requirements
- 5+ years of experience in network security, cybersecurity operations, or security administration
- Hands on experience with Cisco Firepower and Palo Alto firewalls
- Experience with F5 platforms (APM, ASM, GTM)
- Experience with DDoS protection solutions (Arbor, Akamai)
- Experience with IAM/PAM tools (OneIdentity, Delinea, Azure MFA)
- Experience with vulnerability management tools (Qualys, Nessus)
- Experience with endpoint and email security (Symantec, Microsoft Defender)
- Strong understanding of networking concepts (TCP/IP, DNS, VPN, routing, switching)
- Experience with scripting/automation (PowerShell, Python) is a plus
Full Job Posting
Job Description
- FNRCO is seeking a Network Systems & Data Security Administrator to manage network security infrastructure.
Network Security & Perimeter Infrastructure
- Administer, configure, and manage Cisco Firepower Firewalls and Cisco FMC for centralized policy management.
- Support and maintain Palo Alto firewalls including policy tuning, NAT, and traffic inspection.
- Manage Web Proxy (Broadcom Bluecoat) for secure internet access and URL filtering.
- Administer DDoS protection solutions (Arbor, Akamai) to ensure network resilience and availability.
- Configure and support F5 platforms including APM (VPN Remote Access), ASM (Web Application Firewall), and GTM (DNS / Traffic Management).
- Ensure proper network segmentation, firewall rule optimization, and secure connectivity across environments.
Network Access Control & Identity Infrastructure
- Administer Cisco ISE (AAA Server) for authentication, authorization, and accounting.
- Manage ForeScout NAC for device visibility and network admission control.
- Support OneIdentity (IAM & MFA) and Microsoft Azure MFA for secure authentication mechanisms.
- Administer Privileged Access Management (Delinea) to secure privileged accounts.
- Manage Microsoft Certificate Authority (CA) for certificate issuance, renewal, and lifecycle management.
Endpoint, Server & Core Security Systems
- Administer Endpoint Protection platforms (Symantec Endpoint Protection, Microsoft Defender).
- Manage File Integrity Monitoring (ChangeTracker) for critical systems.
- Support secure configuration and hardening of servers, endpoints, and network devices.
- Administer Email Security Gateway (Symantec Messaging Gateway).
Vulnerability & Infrastructure Security Management
- Administer vulnerability management tools including Qualys and Tenable Nessus.
- Perform regular vulnerability scans across network, systems, and applications.
- Coordinate patching and remediation with infrastructure and application teams.
- Maintain baseline security configurations and ensure compliance with hardening standards.
Data & Application Security (Infrastructure Perspective)
- Support implementation of Microsoft DLP and Microsoft Purview (Data Classification) from an infrastructure integration standpoint.
- Administer Web Application Firewall (F5 ASM) and support application security tools (Checkmarx, SecureEyes) in coordination with development teams.
- Manage Database security controls (Imperva) to protect critical data assets.
Required Skills & Experience
- 5+ years of experience in network security, cybersecurity operations, or security administration roles.
- Hands on experience administering multiple security tools, including firewalls (Cisco Firepower, Palo Alto), WAF/VPN/DNS (F5), DDoS Protection (Arbor, Akamai), IAM/PAM (OneIdentity, Delinea, Azure MFA), Vulnerability Management (Qualys, Nessus), Endpoint & Email Security (Symantec, Microsoft Defende
- Strong understanding of networking concepts (TCP/IP, DNS, VPN, routing, switching).
- Experience with security integrations across SIEM, SOAR, IAM, and endpoint tools.
- Familiarity with threat intelligence platforms and incident response processes.
- Ability to manage complex multi vendor environments and troubleshoot integrations.
- Experience with scripting/automation (PowerShell, Python) is a plus.
- Excellent analytical, problem solving, and communication skills.
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