Network Engineer (Cisco Data Center)

All Lines Technology Inc.; Pittsburgh (Allegheny County); On-site; USD 90,000 - 130,000; Full time

Job summary

All Lines Technology Inc. is seeking an experienced Network Engineer with deep Cisco Data Center expertise to design, implement, and optimize enterprise networks in Pittsburgh.

The role focuses on Cisco Nexus switching, data center architectures, routing and switching, and robust troubleshooting. You will collaborate with infrastructure, security, cloud, and operations teams to deliver highly available, secure networks, with AWS networking experience highly desirable and strong documentation

Qualifications

• 5+ years of enterprise networking experience.
• Hands-on Cisco Data Center technologies experience.
• Strong TCP/IP, DNS, DHCP, multicast knowledge.

Responsibilities

• Design, implement, and support Cisco-based data center networks.
• Configure and maintain Cisco Nexus switches and related DC tech.
• Manage L2/L3 routing, switching, VLANs, and segmentation.
• Troubleshoot complex network performance and outages.
• Support data center modernization, migration, and optimization.
• Apply network security best practices with cybersecurity teams.
• Create and maintain network diagrams and procedures.
• Participate in architecture reviews to improve scalability.
• Provide technical leadership and mentor junior staff.

Skills

Enterprise networking

Network troubleshooting

Documentation

Leadership mentoring

Tools

Cisco Nexus

Cisco ACI

Data Center Switching

Routing & Switching

BGP

OSPF

VLAN Design

Job description

*Not accepting Corp to Corp applicants*

We are seeking an experiencedNetwork Engineer with deep expertise in Cisco Data Center technologies to support the design, implementation, optimization, and maintenance of enterprise networking environments. The ideal candidate will possess strong hands-on experience with Cisco Nexus switching, data center architectures, routing and switching, and network infrastructure troubleshooting.

This role will work closely with infrastructure, security, cloud, and operations teams to ensure a highly available, secure, and scalable network environment. Experience supporting cloud networking initiatives, particularly within AWS, is highly desirable.

Key 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.

Required Qualifications

• 5+ years of enterprise networking experience.
• Strong hands-on expertise with Cisco Data Center technologies, including:
  • Cisco Nexus
  • Cisco ACI (preferred)
  • Data Center Switching
  • Routing & Switching
  • BGP, OSPF, and VLAN design
• Experience designing and supporting highly available network infrastructures.
• Strong understanding of TCP/IP, DNS, DHCP, multicast, and network troubleshooting methodologies.
• Experience with network monitoring and management tools.
• Excellent communication and documentation skills.