Sr Engineer, Systems Design - Network Solutions Engineering

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
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:

Successful candidates will:

• 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): No
Safety Sensitive Position (Yes/No): No

Base Pay Range: $92,600 - $167,100

Corporate 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/or team performance. To find the pay range for this role based on hiring location,

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

Never stop growing!
As part of the T-Mobile team, you know the Un-carrier doesn't have a corporate ladder-it's more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it's that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you're living our values while investing in your career growth-and we applaud it. You're unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing View email address on click.appcast.io or calling View phone number on click.appcast.io. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.