Senior Cisco Data Center Network Engineer (Nexus/ACI, AWS)

alllinestechnology; Pittsburgh (Allegheny County); On-site; USD 110,000 - 140,000; Full time

Job summary

alllinestechnology in Pittsburgh seeks an experienced Network Engineer to design, implement, and optimize enterprise networks using Cisco Data Center technologies. You will lead Nexus-based data center projects, configure switches, and troubleshoot complex issues to ensure high availability and security.

The role requires strong routing and switching fundamentals, BGP/OSPF, VLAN design, and collaboration with infrastructure, security, cloud, and operations teams.

Qualifications

• 5+ years of enterprise networking experience.
• Strong hands-on expertise with Cisco Data Center technologies, including Nexus, ACI, data center switching, routing & switching.
• Experience with BGP/OSPF and VLAN design for scalable networks.
• Solid TCP/IP, DNS, DHCP, multicast and troubleshooting methodologies.
• Experience with network monitoring and management tools.
• Excellent communication and documentation skills.

Responsibilities

• Design, implement, and support Cisco-based data center networking solutions.
• Configure and maintain Cisco Nexus switches and related data center technologies.
• Manage Layer 2 and Layer 3 networking, including routing, switching, VLANs, and network segmentation.
• Troubleshoot complex network performance, connectivity, and infrastructure issues.
• Support data center modernization, migration, and optimization initiatives.
• Implement network security best practices and collaborate with cybersecurity teams.
• Develop and maintain network diagrams, technical documentation, and operational procedures.
• Participate in architecture reviews and recommend improvements to network scalability and resiliency.
• Provide technical leadership and mentoring to junior networking staff when needed.

Skills

Cisco Nexus

Cisco ACI

Data Center Switching

Routing & Switching

BGP

OSPF

VLAN design

TCP/IP

Networking troubleshooting

Network monitoring

Job description

alllinestechnology in Pittsburgh seeks an experienced Network Engineer to design, implement, and optimize enterprise networks using Cisco Data Center technologies. You will lead Nexus-based data center projects, configure switches, and troubleshoot complex issues to ensure high availability and security.

The role requires strong routing and switching fundamentals, BGP/OSPF, VLAN design, and collaboration with infrastructure, security, cloud, and operations teams.