Senior Tier 3 Network Engineer – On‑Site NOC Pro

Cricket Wireless LLC.; McLean (VA); On-site; USD 89,000 - 208,000; Full time

Benefits offered by this job

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off and Holidays

Paid Parental Leave

Job summary

AT&T Global Public Sector is seeking a Tier 3 Network Engineer to support the 24x7 Network Operations Center in McLean, VA. This on-site role emphasizes advanced troubleshooting and hands-on management of LAN/WAN and optical networks.

Requirements include 12+ years of experience, strong knowledge of MPLS/BGP/OSPF/LDP, and familiarity with Remedy, ServiceNow and Solarwinds. Certifications like CCNA/CCNP are desirable.

Qualifications

• 12+ years of applicable network engineering experience.
• Hands-on troubleshooting and fault isolation across LAN/WAN/optical.
• Strong OSI model and routing protocol knowledge.

Responsibilities

• Provide Tier3 support to the Network Operations Center (NOC).
• Maintain and monitor LAN/WAN and data communications systems.
• Identify network risks and develop mitigation plans.
• Troubleshoot and support telecommunications services (LAN, MAN, WAN, Voice, Video).
• Utilize ticketing and network management tools to track incidents.
• Collaborate with teams to ensure network availability 24x7.

Skills

MPLS

BGP

OSPF

LDP

EIGRP

LAN/WAN

Optical

Education

High School diploma + 12 years

Associate’s + 10 years

Bachelor’s + 8 years

Master’s + 6 years

PhD + 4 years

Tools

Remedy

ServiceNow

HPOV

HPNA

Solarwinds

MNS

Netcool

Job description

AT&T Global Public Sector is seeking a Tier 3 Network Engineer to support the 24x7 Network Operations Center in McLean, VA. This on-site role emphasizes advanced troubleshooting and hands-on management of LAN/WAN and optical networks.

Requirements include 12+ years of experience, strong knowledge of MPLS/BGP/OSPF/LDP, and familiarity with Remedy, ServiceNow and Solarwinds. Certifications like CCNA/CCNP are desirable.