Senior Network Administrator, Florida

Must have:

Senior Network Administrator with expertise in enterprise networking, firewalls, and network access control solutions.

Aruba wireless

Configure routers, switches, firewalls, and other devices in support of design

experience configuring and supporting complex campus and datacenter networks

Security Awareness

Job Summary:

We are seeking a highly experienced Senior Network Administrator with expertise in enterprise networking, firewalls, and network access control solutions. The ideal candidate brings a strong background in architecting and supporting complex campus and datacenter networks, with deep hands-on experience in Aruba, Cisco, and firewall technologies. This role is critical to the design, implementation, and ongoing support of secure and scalable network infrastructures.

Key Responsibilities:

Design, configure, and maintain complex campus and datacenter networks, ensuring high availability and optimal performance.

Install, configure, and support Aruba ClearPass and/or Cisco Client for network access control and authentication.

Architect and manage enterprise firewall solutions (e.g., Cisco Firepower, Palo Alto, Check Point) in multi-site environments.

Implement and support Cisco FirePower for intrusion prevention, advanced malware protection, and firewall services.

Troubleshoot network performance issues, conduct root cause analysis, and perform upgrades and patching as needed.

Develop and maintain network documentation including topology diagrams, change control, and operational procedures.

Ensure network infrastructure complies with security policies, industry standards, and audit requirements.

Collaborate with cybersecurity, server, and application teams to support integrated IT solutions.

Qualifications:

8+ years of hands-on experience configuring and supporting enterprise-level networks.

4+ years in a senior or lead role managing firewall architectures and advanced network security.

Experience with Cisco routing and switching, Aruba wireless and ClearPass, and network segmentation best practices.

Proven experience with Cisco Firepower installation, design, and ongoing support.

Strong understanding of TCP/IP, BGP, OSPF, EIGRP, VLANs, VPNs, and NAC technologies.

Experience with LAN/WAN architecture, remote access technologies, and high-availability networking.

Scripting or automation experience using Python, Ansible, or similar tools is a plus.

Certifications (Required or Preferred):

CCNP, JNCIP, or equivalent professional-level networking certification required.

Certifications such as Aruba Certified Mobility Professional (ACMP) or Cisco Security certifications are a strong plus.

Nice to Have:

Experience with cloud networking (AWS, Azure, or GCP).

Familiarity with network monitoring tools like SolarWinds, Nagios, or PRTG.

Knowledge of zero trust network architecture and segmentation strategies.

Exposure to software-defined networking (SDN) and network virtualization (e.g., VMware NSX).