Expert System Engineer – Charging & Usage Platforms

AT&T

Expert Systems Engineer at AT&T focusing on architecture and performance of charging and usage platforms. Drive AI-enabled modernization while improving system efficiency and scalability.

Posted 5/21/2026full-timeAlpharetta • Texas • 🇺🇸 United StatesSeniorLead💰 $171,000 - $287,200 per yearWebsite

Tech Stack

Tools & technologies

CloudDistributed Systems

About the role

Key responsibilities & impact

Design and evolve large ‑ scale charging, usage rating, and network data processing platforms that support real ‑ time and high ‑ volume monetization of network traffic.
Architect scalable, high ‑ performance systems that ingest, process, rate, and distribute usage data across complex BSS and downstream ecosystems.
Translate charging and usage business requirements into end ‑ to ‑ end technical designs, ensuring accuracy, performance, and reliability at scale.
Serve as the primary technical owner for charging and usage initiatives, accountable for architecture decisions, roadmap execution, and delivery outcomes.
Lead cross ‑ functional design efforts involving network systems, mediation, rating engines, downstream billing, and data consumers.
Partner closely with vendors and internal platform teams to influence technical roadmaps and ensure seamless system integration.
Conduct deep performance, latency, and reliability analysis, proactively identifying and resolving system bottlenecks and operational risks.
Apply AI and advanced automation to improve rating accuracy, throughput, anomaly detection, and delivery efficiency.
Maintain detailed system and architecture documentation, ensuring compliance with security, risk, and regulatory requirements.
Act as a senior technical leader across domains, influencing broader platform decisions beyond charging and usage.

Requirements

What you’ll need

Proven experience designing charging, usage, mediation, or network ‑ adjacent platforms in large ‑ scale enterprise environments.
Strong system architecture skills spanning real ‑ time processing, high ‑ volume data pipelines, and distributed systems.
Hands ‑ on experience translating business monetization requirements into resilient technical solutions.
Ability to operate across network, platform, software, and cloud environments.
Experience leading complex initiatives through technical influence rather than direct authority.

Benefits

Comp & perks

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 28 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 phone.
Long Term Grants and Deferred Compensation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

system architecturereal-time processinghigh-volume data pipelinesdistributed systemscharging platformsusage ratingmediationdata processingAIautomation

Soft Skills

technical leadershipcross-functional collaborationinfluence without authorityproblem-solvingcommunication