Network Engineer III (Cisco, Arista, Juniper)

Job Title: Network Engineer III (Cisco, Arista, Juniper) – Contractor

Location: Mount Laurel, NJ 08054

Position Type: Contract

Job Summary

We are seeking an experienced Network Engineer III to support the design, deployment, optimization, and maintenance of enterprise network infrastructure. The ideal candidate will have extensive hands-on experience with Cisco, Juniper, and Arista networking technologies, along with strong expertise in routing, switching, firewalls, and network troubleshooting.

Key Responsibilities

• Design, configure, implement, and support LAN and WAN network infrastructure, including routers, switches, telephony equipment, and communication services.
• Deploy and maintain network hardware, software, and connectivity solutions to meet business requirements.
• Monitor network performance and ensure network infrastructure operates in accordance with organizational standards.
• Troubleshoot and resolve network performance, connectivity, and reliability issues.
• Optimize network services to improve efficiency, availability, and scalability.
• Support service provisioning, maintenance, and ongoing operational activities for network environments.
• Collaborate with internal teams to ensure secure and reliable network operations.

Required Qualifications

• 5–8 years of hands-on experience with Cisco and Juniper routers in enterprise environments.
• Strong understanding of internetworking design principles and routing technologies.
• Solid knowledge of Layer 2 and Layer 3 networking concepts and implementations.
• 5–8 years of experience working with network protocols and enterprise network infrastructures.
• Experience configuring and managing firewalls, including Cisco ASA, Juniper SRX, Check Point NG, or similar platforms.
• Extensive experience with Cisco switches and routers.
• Strong troubleshooting and analytical skills with the ability to diagnose complex network issues.

Preferred Qualifications

• Experience working with Arista networking solutions.
• Industry certifications such as:
• Cisco Certified Network Associate (CCNA)
• Cisco Certified Network Professional (CCNP)
• Cisco Certified Internetwork Expert (CCIE)

Skills

• Routing & Switching
• LAN/WAN Technologies
• Layer 2 & Layer 3 Networking
• Network Monitoring & Performance Optimization
• Firewall Administration
• Network Troubleshooting
• Cisco, Juniper, and Arista Technologies
• Network Design & Implementation