Unknown Company

Senior Network & Security Engineer – SD-WAN / SASE (Palo Alto)

new york, ny • Posted 1 weeks ago
Remote Full Time IT & Technology

We are seeking a highly experienced L2 Network & Security Engineer with deep expertise in SD-WAN and SASE technologies , specifically Palo Alto Prisma Access and Palo Alto firewalls . The role is responsible for advanced troubleshooting, operational support, and optimization of enterprise network and security environments, ensuring high availability, performance, and security across global infrastructures.

Key Responsibilities

Network & Security Operations

  • Provide L2 support for enterprise network and security infrastructure
  • Troubleshoot complex issues related to routing, switching, WAN, and security
  • Monitor and maintain network performance, availability, and reliability
  • Support, operate, and optimize Palo Alto SD-WAN and Prisma SASE (Prisma Access)
  • Troubleshoot SD-WAN overlay/underlay issues, tunnel failures, and performance degradation
  • Support secure remote access, ZTNA, and cloud security policies
  • Assist with onboarding sites and users into the SASE framework

Firewall & Security Technologies

  • Manage and troubleshoot Palo Alto Next-Generation Firewalls (PAN-OS)
  • Handle security policy updates, NAT rules, VPNs (IPsec/SSL), and threat prevention
  • Investigate and respond to security incidents in coordination with SOC teams

Incident, Problem & Change Management

  • Act as an L2 escalation point for network/security incidents
  • Perform root cause analysis (RCA) and implement preventive actions
  • Participate in change management, maintenance windows, and CAB meetings
  • Work closely with L3/Architecture teams , ISPs, and security vendors
  • Mentor L1 engineers and provide technical guidance
  • Participate in design reviews and provide operational feedback

Documentation & Compliance

  • Maintain accurate network diagrams, SOPs, and operational documentation
  • Ensure compliance with organizational security policies and standards
  • Support audits and vulnerability remediation activities

Required Skills & Experience

  • 15–20 years of experience in enterprise networking and security
  • Strong hands-on experience with Palo Alto Networks :
  • Prisma Access (SASE)
  • Deep understanding of:
  • TCP/IP, BGP, OSPF, IPSec, SSL VPN
  • Network segmentation and Zero Trust principles
  • Experience supporting large, global, hybrid environments
  • Strong troubleshooting and analytical skills

Preferred Qualifications

  • Palo Alto certifications (PCNSE / PCNSA – preferred)
  • Experience with cloud platforms (AWS, Azure, GCP) networking integration
  • Exposure to ZTNA, CASB, SWG concepts
  • ITIL knowledge and operational best practices

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