Principal Data Engineer

This role leads the development and implementation of data pipelines critical to organizational data infrastructure and analytics capabilities. You’ll combine technical leadership with hands-on contributions to achieve data engineering initiatives. If you thrive on collaborating with multi-functional teams to solve complex data challenges, designing scalable data architectures, and deploying robust data pipelines to the cloud, we want to talk to you!, * Lead the design and development of data warehouse and business analytics solutions to ensure scalable and reliable data infrastructure

• Collaborate with cross-functional teams to analyze and architect data solutions that meet business requirements
• Research and recommend technical approaches to address complex data migration, development, and integration challenges
• Provide hands-on leadership in data implementation projects and manage independent workstreams to deliver project objectives
• Facilitate workshops and design sessions to build relationships and align data engineering efforts with organizational goals
• Mentor data engineers to develop their skills in data architecture and engineering practices
• Assist team management in defining projects, including helping estimate, plan and scope work and other duties/projects as assigned by business management as needed

We’re looking for a Principal Data Engineer who brings strong technical judgment, a product-oriented mindset, and the ability to own data solutions end-to-end-from architecture and modeling to implementation and delivery-in a dynamic AdTech environment. You’ll join a fast paced team that builds, runs, and operates the T-Mobile Advertising Solutions (T-Ads) platforms, including our audience building, rideshare, and retail media network solutions. This is a product used by all the major advertising agencies and many top consumer product brands in the United States., * Bachelor’s Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required)

• Acceptable areas of study include Mathematics, Computer Science, Engineering, Finance, Statistics, or related technical field (Required)
• 7-10 years Related experience as a Data Engineer (Required)
• 5+ years developing cloud solutions using data services (Required)
• Minimum 3+ years of managing or leading/coaching data engineering teams (Required)
• Experience designing and building self-service analytics and big data solutions using cloud technologies (e.g., EMR, Aurora, Redshift, Glue, S3, SWF, Quicksight etc.) (Required)
• Experience with the Software development Life Cycle (SDLC) and Agile/Scrum methods (Preferred)

Knowledge, Skills and Abilities:

• Cloud Computing (Required)
• Collaboration (Required)
• Data Architecture (Required)
• Data Engineering (Required)
• Databricks DBRX (Required)
• Engineering Leadership (Required)
• Project Scoping (Required)
• Snowflake (Platform) (Required)

Licenses and Certifications:

• Cloud platform certification(s) (AWS Certified Solutions Architect, AWS Certified Cloud Practitioner, OR Microsoft Certified Solutions Associate (MCSA) (Required)

• At least 18 years of age
• Legally authorized to work in the United States

$125,600 - $226,600Corporate Bonus Target: 20% life insurance, vision insurance, flexible benefit account, paid time off, paid holidays, tuition assistance, 401(k) United States, Pennsylvania, Philadelphia 1100 Ludlow Street (Show on map) Aug 06, 2026

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! Job Overview, DOT Regulated: DOT Regulated Position (Yes/No): No Safety Sensitive Position (Yes/No): No

Base Pay Range: $125,600 - $226,600 Corporate Bonus Target: 20%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, click here.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don’t stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.