Senior Network Engineer - Enterprise Networking & Security

SmartRecruiters, Inc.; South Brunswick (NJ); On-site; USD 90,000 - 130,000; Full time

Job summary

AH Infotech LLC in Princeton, NJ is seeking a Network Engineer with 5+ years of hands-on experience to design, implement, and maintain enterprise network infrastructure. The ideal candidate holds CCNA or CCNP and has strong expertise with Cisco devices and firewall technologies.

Proficiency in TCP/IP, DNS, DHCP, NAT, and network monitoring (SolarWinds, PRTG) is required. Excellent troubleshooting and communication skills, and a team‑oriented mindset, are essential for this role.

Qualifications

• 5+ years hands-on experience designing, implementing, and maintaining enterprise network infrastructure.
• CCNA or CCNP certification (Mandatory).
• Experience with Cisco devices and networking equipment.
• Knowledge of firewall technologies (Fortinet, Palo Alto, Cisco ASA preferred).
• Familiarity with network monitoring tools (SolarWinds, PRTG, etc.).
• Strong analytical and troubleshooting skills.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure.
• Troubleshoot and resolve complex network issues.
• Collaborate with security teams to ensure network hardening and policy enforcement.

Skills

TCP/IP

DNS

DHCP

NAT

Troubleshooting

Network security

Communication

Teamwork

Problem-solving

Tools

Cisco IOS

Cisco devices

Fortinet

Palo Alto

Cisco ASA

SolarWinds

PRTG

Job description

AH Infotech LLC in Princeton, NJ is seeking a Network Engineer with 5+ years of hands-on experience to design, implement, and maintain enterprise network infrastructure. The ideal candidate holds CCNA or CCNP and has strong expertise with Cisco devices and firewall technologies.

Proficiency in TCP/IP, DNS, DHCP, NAT, and network monitoring (SolarWinds, PRTG) is required. Excellent troubleshooting and communication skills, and a team‑oriented mindset, are essential for this role.