Senior Network Security Engineer Job at GTN Technical Staffing, Doral, FL

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  • GTN Technical Staffing
  • Doral, FL

Job Description

Our client is seeking a Senior Network Security Engineer to design, implement, and support secure enterprise network infrastructures across a diverse portfolio of clients. This role focuses on enterprise networking, cybersecurity, firewall administration, SD-WAN, and compliance within highly regulated environments.

This is a 100% remote position with up to 25% travel for client implementations and major infrastructure projects.

Key Responsibilities

  • Design, implement, and support enterprise network infrastructure across multi-site and hybrid cloud environments.
  • Configure and manage enterprise firewall platforms including Palo Alto, Fortinet, Cisco ASA/Firepower, Juniper SRX, and Sophos .
  • Administer enterprise routing and switching utilizing BGP, OSPF, HSRP/VRRP, VLANs, QoS, Cisco Catalyst/Nexus, Juniper, Aruba, and Meraki technologies.
  • Design and support SD-WAN , VPN, and secure remote access solutions.
  • Implement network segmentation, Zero Trust architecture, and security hardening initiatives.
  • Support compliance efforts for CMMC Level 2, NIST 800-171, and SOC 2 environments.
  • Configure and maintain IDS/IPS, NAC, SIEM integrations, and security monitoring tools.
  • Respond to network security incidents and assist with remediation efforts.
  • Develop network diagrams, technical documentation, and audit-ready change records.
  • Partner with engineering teams and clients to successfully deliver infrastructure and security projects.

Required Qualifications

  • 6+ years of enterprise network and security engineering experience.
  • Strong experience with enterprise firewall platforms, preferably Palo Alto, Fortinet, and Cisco .
  • Expertise in enterprise routing, switching, SD-WAN, and VPN technologies.
  • Experience implementing network segmentation and Zero Trust security models.
  • Working knowledge of CMMC Level 2, NIST 800-171, and SOC 2 compliance requirements.
  • Experience with IDS/IPS, Cisco ISE, Aruba ClearPass, or SIEM platforms.
  • Strong troubleshooting, documentation, and communication skills.
  • Ability to travel up to 25% .

Preferred Certifications

  • PCNSE
  • Fortinet NSE 4+ (or equivalent)
  • CCNP Enterprise or Security
  • JNCIS
  • CISSP (preferred)

Job Tags

Remote work

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