Network Engineer – NE3

AT&T

. Assess, evaluate, and enhance existing networking infrastructure .

Posted 10/6/2026full-timeColumbia • Maryland • United StatesSeniorLead💰 $108,000 - $215,100 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in network architecture, including the design, implementation, and optimization of routers, switches, and firewalls. Proven ability to lead complex projects, mentor teams, and ensure compliance with organizational policies and standards.

Highest-signal resume keywords

Network Architecture LeadershipCCIE CertificationIAT Level II CertificationDeep Familiarity With Routers And SwitchesTechnical Consulting And Guidance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Network Infrastructure AssessmentNetwork Services ImplementationCapacity PlanningContingency PlanningNetwork TroubleshootingDocumentation And Standard Operating ProceduresConfiguration ControlNetwork Device InstallationEmerging Technologies ResearchHigh-Impact Issue Resolution

Soft Skills

Superior Communication SkillsTechnical LeadershipMentorshipCollaboration With Senior StakeholdersConsulting Skills

Tools & Technologies

RoutersSwitchesFirewallsDNSDHCPCiscoBrocadeJuniper

Certifications & Qualifications

CCIE CertificationIAT Level II Certification

Industry Keywords

Network OperationsGovernment ComplianceMission-Critical EnvironmentsTechnical Review BoardsConfiguration Control BoardsTS/SCI Clearance

Tech Stack

Tools & technologies

DNSFirewallsTypeScript

About the role

Key responsibilities & impact

Assess, evaluate, and enhance existing networking infrastructure
Architect, document, test, and implement network services and devices, including routers, switches, firewalls, DNS, and DHCP
Develop, maintain, and elevate standard operating procedures across network operations
Lead proactive capacity planning and modeling
Research and recommend innovative, cost-effective network solutions and emerging technologies
Design and execute contingency plans for network software and hardware failures and outages
Provide expert consulting, technical guidance, and leadership to technical review boards, configuration control boards, developers, engineers, and senior managers
Drive network upgrade projects through design, testing, deployment, and optimization
Ensure network activities comply with government and organizational policies and are meticulously documented
Serve as a senior engineer and Tier 3 technical lead and final escalation point for critical network incidents
Perform deep-dive analysis and resolve persistent or high-impact issues
Collaborate with the PMO to deliver solutions addressing customer requirements and evolving business needs
Guide technology evolution and mentor the network support team

Requirements

What you’ll need

Twelve (12) years of experience in programs and contracts of similar scope, type, and complexity
Bachelor’s degree in engineering from an accredited college or university, or four additional years of network engineering experience substituted for the degree
An IAT Level II baseline certification as defined by DoD 8570.01-M (e.g., Security+, GSEC, SSCP)
CCIE (Cisco Certified Internetwork Expert) or equivalent certification or higher
Both certifications must be current and maintained as a condition of employment
Deep familiarity with routers, switches, firewalls, and network services such as DNS and DHCP
Experience with installation and configuration of network devices from vendors such as Cisco, Brocade, or Juniper is a plus
Demonstrated success leading large-scale, complex network architecture projects
Ability to provide technical leadership and mentorship across multidisciplinary teams
Superior communication, consulting, and documentation skills
Experience interfacing with senior stakeholders, technical boards, and executive leadership
Ability to work in high-tempo, mission-critical environments and respond to after-hours incidents as required
Must be able to occasionally lift up to 50 pounds and perform work in tight spaces as necessary
Valid driver’s license, acceptable driving record, and eligibility to drive an AT&T company vehicle
Required clearance: TS/SCI with polygraph

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