Senior Network Data Center Consultant

Senior Network Data Center Consultant (Contract) — 6 Months

AT&T Consulting | Hybrid (2-3 days/week onsite) | Boston, MA

Citizenship: US Citizen required

Duration: 6-month contract

Overview

AT&T Consulting is seeking a Senior Network Data Center Consultant to support a global financial services client. You will work as part of a collaborative delivery team responsible for network design, analysis, implementation, and troubleshooting across an enterprise, globally distributed environment. This role requires expert-level depth from data center core to edge, including advanced routing and large-scale infrastructure operations.

What you’ll do

• Lead and support network design, analysis, implementation, and troubleshooting across enterprise environments

• Own and optimize data center core and edge routing/switching for a globally diverse infrastructure

• Troubleshoot complex issues across routing, switching, security, and network services platforms

• Collaborate with cross-functional teams and drive initiatives to successful delivery

• Provide guidance and technical leadership to other engineers

Core skills (must-have)

Routing & Switching (Expert level)

• Data center core & edge routing/switching across LAN/WAN/MAN

• Hands-on expertise with Cisco (including Nexus) , plus exposure to Juniper and/or Arista

• Expert troubleshooting and implementation

• Deep routing protocol knowledge: BGP, OSPF (RIP a plus)

Networking Fundamentals

• Strong TCP/IP knowledge: design, subnetting, and troubleshooting

• Experience with network service platforms such as F5, Infoblox, and/or ACI

• Solid Layer 2 knowledge: VLANs, 802.1Q, Spanning Tree

Remote Access & Wireless (some exposure)

• Remote access technologies: VPN, SSL

• Some corporate wireless experience

Additional skills (highly valued)

SD-WAN / MPLS

• Experience configuring and troubleshooting SD-WAN devices/platforms such as Viptela, VeloCloud, Versa, FortiGate, SilverPeak (or similar)

QoS & Network Security

• QoS design and troubleshooting experience

• Security tooling and concepts: ASA/Firepower, Palo Alto, Illumio, Check Point, ZTA, Private Access, SASE

Automation

• Scripting with Python is a plus

Nice-to-have (secondary)

• Voice/Collaboration: CUCM, Contact Center , enterprise cloud voice platforms ( Genesys, Avaya OneCloud, Twilio )

• SIP and SBC experience: Ribbon, Oracle, and/or Cisco CUBE

• MS Teams voice (Direct Routing), E911 integrations (Intrado ERS/EGW, RedSky)

• SIP protocol experience

What we’re looking for

• 10+ years of network experience in a large enterprise/global environment (complex infrastructure)

• 15+ years total IT industry experience; 10+ years as a network consultant preferred

• CCIE or equivalent expertise (certification preferred, but strong equivalent experience works)

• Strong documentation, communication, and customer-facing skills

• Collaborative, organized, and able to multitask and prioritize effectively

• Comfortable leading technically and mentoring less experienced engineers

Requirements

• US Citizen

• Able to pass background check(s)

• Bachelor’s degree or equivalent experience

• Must currently reside in New England and be able to travel onsite to Boston monthly