Tier II Technician, Government

AT&T

Tier II Network Technician supporting AT&T’s secure federal-government LAN/WAN infrastructure. Installing, troubleshooting, upgrading, and documenting customer network systems onsite.

Posted 9/2/2026full-timeEl Segundo • California • 🇺🇸 United StatesSeniorLead💰 $89,200 - $195,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in network design, implementation, and maintenance, with a strong focus on Layer 1, Layer 2, and Layer 3 networking principles. Proficient in incident management and compliance with DoD standards, ensuring effective communication and collaboration within teams.

Highest-signal resume keywords

TS/SCI ClearanceDoD 8140 IAT Level 2 ComplianceLayer 1 Network ExperienceLayer 2 Network ExperienceLayer 3 Network Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network DesignNetwork ImplementationIncident ManagementNetwork TroubleshootingSubnettingOSPFBGPVLAN ConfigurationMAC Address ManagementNetwork Upgrades

Soft Skills

Independent WorkCollaborative Environment

Tools & Technologies

VisioServiceNowConfluence

Certifications & Qualifications

TS/SCI ClearanceDoD 8140 IAT Level 2

Industry Keywords

LAN/WANCOMSECNetwork Change RequestsAsset ManagementTopology Drawings

Tech Stack

Tools & technologies

ServiceNowTypeScript

About the role

Key responsibilities & impact

Support the customer’s computer data communications systems
Provide design specifications, testing, and inspections for computer networks
Plan and implement network upgrades
Analyze and organize corresponding hardware and software combined solutions through network modeling
Support installation and maintenance of client LAN/WAN devices
Respond to and resolve incidents and communicate with the team
Complete assigned tasks within SLOs/SLAs
Draft and implement standard network change requests
Support Tier III network engineers with incident management and projects, including site surveys, TEMS, and coordinating and installing new equipment
Update topology drawings, maintain accurate asset management records, and conduct inventory
Coordinate network operations, maintenance, repairs, and upgrades
Apply Cisco, Juniper, Brocade, and Foundry OS upgrades
Perform up to 10% COMSEC responsibilities based on site and team needs

Requirements

What you’ll need

Required Clearance: TS/SCI with polygraph
10 years of experience that can be a combination of work history and education
Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years, or HS diploma and 10 years
Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2
Available to travel up to 20% of the time
Available to work flexible hours, including weekend support
Layer 1 network experience (CAT5/6, SM/MM Fiber, Serial cables, SFP)
Layer 2 network experience (configure/troubleshoot switches/routers, MAC addresses, VLANs, port security, thin and thick configs)
Layer 3 network experience (subnetting; OSPF, BGP, HSRP, MPLS, LSP, GRE)
Experience with Visio
Familiarity with ServiceNow and Confluence
Ability to work independently and in a collaborative environment

Benefits

Comp & perks

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (at least 23 days of vacation each year and 9 company-designated holidays)
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected
Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance
Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
Employee Assistance Programs (EAP)
Extensive employee wellness programs
Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T wireline phone