Job ID: 950

Position Summary

Key Infotek is looking for a Senior Network Engineer (L3) to join our team in New York City. This high-level technical role involves handling escalated incidents, performing deep root cause analysis (RCA), and designing complex network solutions for enterprise clients. The ideal candidate is a seasoned professional with extensive experience in firewall architecture, routing, and switching, capable of operating in a fast-paced 24/7 environment. You will act as a Subject Matter Expert (SME) for all L3 queries and provide guidance to junior team members.

Primary Responsibilities

  • Design, implement, and transition advanced network solutions including CheckPoint and FortiGate firewalls.
  • Manage and troubleshoot Catalyst and Nexus switches, load balancers (F5 and Citrix), and Web proxy technologies (Zscaler, McAfee).
  • Develop technical deliverables such as network assessments, capacity planning, and detailed design documents using Visio.
  • Perform root cause analysis for P1 through P4 incidents to ensure service performance expectations are met.
  • Troubleshoot complex LAN/WAN, SD-WAN, VPN, and VoIP equipment across a broad range of devices.
  • Maintain up-to-date industry certifications and stay current with modern security threats and defenses.
  • Collaborate with clients in a consultative manner to evaluate and select technical solutions that meet business needs.
  • Ensure all network processes and procedures are authored and strictly adhered to.

Technical Qualifications

  • Graduate or postgraduate degree in Computer Science, IT, or Systems Engineering.
  • Professional expert-level certifications: Fortinet FCSS, Fortinet FCP, or Fortinet NSE 4-8 are highly preferred.
  • Advanced hands-on experience with Fortinet products (FortiGate, FortiManager, FortiAnalyzer) and Cisco/Checkpoint solutions.
  • Deep understanding of routing protocols including eBGP, iBGP, OSPF, and IPSEC.
  • Expertise in LAN/WAN administration, DHCP, DNS, VLANs, NAT, and wireless technologies.
  • Experience with Pulse Secure Access Gateway and Citrix NetScaler ADC Load balancers.
  • Proficiency with Zero Trust frameworks and NIST CSF standards is a significant bonus.

Additional Requirements

Candidates must be flexible to work in a 24/7 environment and willing to travel as needed. Strong analytical, problem-solving, and communication skills are essential for success in this role.


Special Requirements

24/7 environment; Onsite in NYC; Travel required when needed; Subject Matter Expert for L3 queries.


Compensation & Location

Salary: $145,000 – $195,000 per year

Location: New York, NY


Recruiter / Company – Contact Information

Recruiter / Employer: Key Infotek LLC

Email: pallavi@keyinfotek.com


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