Principal Forward Deployment Engineer

T-Mobile

Confirmed live today High trust

Quick summary

Work type
On-site
Location
Bellevue, WA
Salary
$164,500–$296,700 / yr
Employment
Full-time
Posted
85 days ago
Freshness
Confirmed live today

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $206k
This role $231k
$132k $314k
below market most similar roles pay here above market

This role pays more than 70% of similar roles. Most pay $174,600–$238,250 — the blue band above. At the midpoint, this role pays about $231k versus about $206k for comparable roles.

Based on 240 similar postings.

Employer

About T-Mobile

T-Mobile US is the second-largest wireless carrier in the United States, providing wireless voice, messaging, and data services under the T-Mobile and Metro by T-Mobile brands. Industry: Wireless Telecommunications

T-Mobile currently has 72 open roles on FindRole.

Listed pay typically runs $138,996–$228,650 across 32 roles with salary data.

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View all roles at T-Mobile

At a glance

TL;DR · Principal Forward Deployment Engineer

JOB TITLE: Principal Forward Deployment Engineer The Principal Forward Deployment Engineer serves as the technical foundation for the Forward Deployment Engineering practice, setting the technical direction for agentic AI delivery across every domain. This role involves building shared components and standards, solving complex technical challenges, and writing production code to ensure the team moves faster and maintains high quality. Key responsibilities include establishing architectural approaches, reviewing code, and ensuring data security and privacy standards like CPNI and PII are met. The position requires proficiency in production Python, Go, TypeScript, or Java, along with expertise in LLM system architecture, RAG, prompt engineering, and MLOps using AWS, Docker, Kubernetes, and vector databases. The work focuses on bringing reliable, scalable agentic AI solutions to the business while navigating complex stakeholder environments.

What you'll do

  • Set the technical direction for agentic AI delivery across all Forward Deployment Engineering domains.
  • Establish architectural approaches and determine which problems are suitable for agentic AI solutions.
  • Build and maintain shared technical foundations and components to accelerate team development.
  • Write and review production code while solving the most complex technical challenges encountered by the practice.
  • Generalize successful domain-specific solutions into reusable components for the broader team.
  • Review architecture and code across domains to calibrate technical standards and hiring bars.
  • Integrate data handling, privacy, and security practices into all delivered solutions.
  • Advise leadership on delivery capacity and provide early warnings on projects with low expected ROI.

What we're looking for

  • Bachelor’s Degree in Computer Science, Software Engineering, Data Science, or a related technical field.
  • Master’s Degree (preferred).
  • 7-10+ years of production engineering experience.
  • 3+ years of experience deploying LLM-based systems in production.
  • 2+ years of experience delivering agentic or multi-agent systems.
  • Demonstrated experience setting technical direction, defining standards, and guiding the architecture of other engineers.
  • Proficiency in production Python engineering and knowledge of Go, TypeScript, or Java.
  • Authorized to work in the United States Travel: Travel.

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