Network Security Engineer - Security and Infrastructure

About

We are seeking an experienced Network Security Engineer to support a high-visibility enterprise environment in New York City. This role is fully onsite across two Manhattan locations and will focus on secure network architecture, monitoring, segmentation, and infrastructure engineering within a complex operational environment.

The ideal candidate will have strong hands-on experience with enterprise networking technologies, security monitoring, and network infrastructure design across Cisco, Juniper, and Palo Alto environments.

Responsibilities

• Design, configure, and support enterprise network infrastructure and security solutions
• Implement and maintain network segmentation and isolation strategies
• Configure and troubleshoot routers, switches, firewalls, and network monitoring tools
• Support Authentication, Authorization, and Accounting (AAA) environments
• Manage and troubleshoot TACACS implementations
• Perform packet capture and PCAP analysis for troubleshooting and security investigations
• Support routing and switching protocols including Static Routing, BGP, and OSPF
• Work with network taps, monitoring systems, and security visibility platforms
• Collaborate with engineering and cybersecurity teams to strengthen network resilience and performance
• Participate in troubleshooting, incident response, and operational support activities

Qualifications

• Minimum 5 years of hands-on Network Engineering experience
• Strong experience with:
  • AAA and TACACS
  • Network segmentation and isolation
  • Static Routing, BGP, and OSPF
  • Network taps and monitoring technologies
  • PCAP analysis
  • Cisco, Juniper, and Palo Alto networking/security technologies
• Experience configuring and designing:
  • Switches
  • Routers
  • Firewalls
• Must be legally authorized to work in the United States
• Ability to work onsite full-time in Manhattan, NYC

Preferred Qualifications

• Network automation experience
• OT/ICS network IDS experience
• Experience with Cisco Secure Network Analytics (StealthWatch)
• Experience with Cisco ISE
• Scripting experience using Python or similar languages
• Relevant certifications such as:
  • CCNA
  • CCNP
  • CCIE

Additional Information

• Interview Process: 1-2 rounds (initial remote interview followed by onsite interview in NYC)
• Expected Start Date: End of May / Early June 2026
• Schedule: Monday through Friday, 7.5 billable hours per day
• Duration: Through 12/31/2026 with anticipated extension through 2027

Pay

$120,000.00 - $130,000.00 per year

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Vision insurance