Principal System Engineer

Job Overview

Job Title: Principal System Engineer
Location: 3400 W. Plano Parkway, Plano, TX 75075 (Hybrid position)

• Translate core architecture into technical solutions including platform, network, software, and cloud solutions.
• Work with scrum teams, design data models, plan data migration, and manage data lifecycle (inflow, residency, archival).
• Conduct code reviews for non‑functional area governance, focusing on maintainability and performance.
• Own user role and profile definitions, SSO requirements, and promote a secure marketing cloud environment.
• Administer security with CSO team: audit production, remediate risks, and review architecture flows.
• Create design documents and review sessions.
• Extend and provide platform solutions for Sales Cloud, Service Cloud, and Marketing Cloud.
• Apply marketing cloud knowledge – Data Extensions, Journey Builder, custom tasks, Email Studio, Amp Scripts.
• Develop software using web technologies and customer communications (email, SMS, push notifications).
• Work with Salesforce technologies:
  Apex, Visualforce, Aura Components, LWC.
• Integrate using API Gateway, mobile tech stack and other integration technologies.

• Bachelor’s degree (or foreign equivalent) in Computer Science, Computer Engineering, or Information Systems.
• Five (5) years of progressive post‑baccalaureate experience in architecture translation, platform, network, software, and cloud solutions.
• Experience implementing secure marketing cloud environments and Salesforce implementations.
• Knowledge of integration technologies, API Gateway, and mobile tech stack.
• Proficiency in software development, web technologies, and customer communication channels.

Compensation: $192,400 - $237,400 yearly.

• 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 state and local law may be available but 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

40 hours per week, regular time type, full‑time.

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law.

In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.