Sr Engineer, Systems Design - Network Solutions Engineering

T-Mobile Technical Role

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This role serves as a technical bridge between business, product, and engineering organizations by evaluating new service opportunities, translating business requirements into technical solutions, performing feasibility assessments, developing level-of-effort estimates, and supporting solution delivery across telecommunications platforms. The position designs, validates, and deploys technical solutions that maintain and enhance network and system performance, reliability, scalability, and service enablement capabilities. Success is measured through effective solution delivery, improved time-to-market, operational efficiency, and alignment between business objectives and technical execution. The work directly impacts T-Mobile's ability to launch, enhance, and support products and services across consumer, enterprise, wholesale, and IoT business lines.

Job Responsibilities:

Solution Design & Feasibility Analysis

• Lead and support feasibility assessments for new products, services, and business initiatives.
• Evaluate business requests and determine technical feasibility, implementation considerations, dependencies, risks, and level-of-effort estimates.
• Translate business requirements into actionable technical requirements and solution designs.
• Identify impacted systems, platforms, and engineering teams necessary to support proposed solutions.
• Assess design alternatives and provide recommendations that balance customer needs, technical complexity, cost, and delivery timelines.

Service Enablement & Solution Delivery

• Design, validate, and deploy network and systems solutions that improve reliability, scalability, and service enablement.
• Support provisioning strategies and service lifecycle enablement for new and evolving products and services.
• Collaborate with engineering delivery teams through implementation, testing, deployment, and operational readiness activities.
• Contribute to end-to-end solution integrity across cross-functional initiatives.
• Develop and maintain validation procedures and testing methodologies to ensure solution effectiveness and compliance.

Cross-Functional Collaboration

• Partner closely with business, product, architecture, operations, and engineering organizations.
• Facilitate alignment between business objectives and technical implementation approaches.
• Communicate technical concepts effectively to both technical and non-technical stakeholders.
• Support intake governance processes and ensure requirements are complete, accurate, and actionable.
• Serve as a trusted technical advisor during planning, prioritization, and solution development activities.

Process Improvement & Automation

• Develop or apply automation solutions and engineering practices that improve workflow efficiency, consistency, quality, and delivery execution.
• Utilize technologies such as Python, APIs, workflow automation platforms, JIRA automation, and AI-assisted tools to streamline engineering and intake processes.
• Support integration of AI-driven capabilities into feasibility, intake, engineering, and operational workflows.
• Contribute to process improvement initiatives that reduce delivery timelines and improve organizational efficiency.

Leadership & Technical Development

• Mentor and support other engineers through knowledge sharing, technical guidance, and collaborative problem-solving.
• Drive engineering initiatives through technical analysis, documentation, testing, and deployment support.
• Continuously evaluate emerging technologies and industry trends to improve network design, service enablement, and operational effectiveness.
• Perform additional duties and projects as assigned.

Preferred Qualifications:

Technical Knowledge:

• Strong understanding of telecommunications service delivery and one or more of the following:
• Voice services
• Messaging services (SMS/MMS)
• Data services
• Provisioning systems
• Service enablement platforms
• Core network technologies
• Systems integration
• Network architecture and design

Experience supporting one or more of the following business domains:

• IoT
• Wholesale
• TFB (T-Mobile for Business)
• Postpaid
• Prepaid

Experience with one or more of the following technologies or initiatives:

• WiFi and Passpoint
• Device lifecycle management
• Secure Access Service Edge (SASE)
• Edge Computing
• User Plane Function (UPF)
• Private Networking Solutions
• Network-as-a-Service (NaaS)
• DevEdge
• Satellite service integration

Experience with:

• Python development
• API integrations
• Workflow automation tools
• JIRA administration or automation
• AI-assisted engineering practices
• Process automation and optimization

Education and Work Experience:

• Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)
• Acceptable areas of study include Computer Science or Engineering or related field (Required)
• 5 yrs Technical engineering experience. (Required)

Knowledge, Skills and Abilities:

• Analytical Thinking – Evaluates business requests, technical requirements, and network impacts to determine feasibility, solution approaches, and implementation considerations.
• Capacity Planning – Assesses system capabilities, scalability needs, and resource impacts to support new products, services, and customer growth.
• Communication – Effectively translates complex technical concepts into clear business language and communicates requirements across technical and non-technical stakeholders.
• Network Architecture – Applies knowledge of telecommunications platforms and service delivery components to identify system dependencies and solution impacts.
• Network Design – Develops high-level technical solutions that align business requirements with network capabilities, performance objectives, and operational needs.
• Optimization Techniques – Identifies opportunities to improve engineering workflows, service delivery processes, automation capabilities, and operational efficiency.
• Performance Testing – Supports validation activities to ensure solutions meet functional, performance, reliability, and customer experience requirements.
• Systems Engineering – Analyzes, designs, and integrates complex telecommunications systems and service enablement platforms to support business objectives.
• Technical Project Management – Coordinates solution development activities, technical dependencies, stakeholder alignment, and delivery milestones across multiple teams.
• Technical Writing – Creates and refines technical requirements, solution documentation, feasibility assessments, and implementation guidance for engineering and business audiences.

What Success Looks Like:

• Effectively evaluate and refine business requirements into technical solutions.
• Deliver accurate feasibility assessments and level-of-effort estimates.
• Improve time-to-market through effective intake, solution design, and delivery coordination.
• Build strong partnerships across business and engineering organizations.
• Contribute to scalable service enablement and provisioning solutions.
• Drive process improvements through automation and AI-assisted workflow enhancements.
• Support high-visibility initiatives across consumer, business, wholesale, and IoT domains.

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

Travel:

Travel Required (Yes/No): Yes DOT Regulated:DOT Regulated Position (Yes/No): NoSafety Sensitive Position (Yes/No): NoBase Pay Range: $92,600 - $167,100Corporate Bonus Target: 15%

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