Job Description

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

The System Architecture Engineer's role is to develop and evolve technical network and service architectures and design strategies to maintain, enhance, and evolve the T-Mobile Technology portfolio. This role is responsible to improves and protects the software, infrastructure, and network systems that power T-Mobile's IT and customer-facing services. This role ensures scalability, availability, performance, security, and reliability across applications and networks, with a strong focus on proactively identifying and preventing network issues before they impact customers. The engineer will play a critical role in outage bridges, leveraging KPIs, telemetry, and AI-driven analytics to pinpoint problems with speed and accuracy.

From designing & maintaining CI/CD pipelines to operating large-scale network infrastructure (Cisco, Juniper, Check Point, F5, Infoblox, A10), the SNRE enables great customer experiences through automation, observability, and innovation.

Specific tasks may include the creation, adaption, or revision of detailed schematics of network and service architecture, hardware and software selections, and implementation techniques and processes. May be required to perform, evaluate, or interpret network simulation, test results, or leading edge technology studies. Technical documentation and presentation skills are required in order to translate complex ideas to a wide range of audiences. Influence and drive industry forums. Consistently works on complex technical assignments requiring independent action and a high degree of initiative to resolve issues. Makes recommendations for new procedures. Works on unique issues where analysis of situation or data requires an evaluation of intangibles. Exercises independent judgment in methods, techniques, and evaluations criteria for obtaining results. Creates formal networks involving coordination among groups. Acts independently to determine methods and procedures on new or special assignments. Informal supervision of other's work assignments.

Job Responsibilities

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Reliability Engineering

Create new designs, architectures, and standards for delivering software and network services faster, better, and more reliably. Improve scalability, latency, and efficiency of T-Mobile's applications and network services. Contribute to cloud enablement, containerization, and microservices reliability. Manage improvement work, PoCs, and future automation projects.

Network Reliability & Operations

Diagnose and resolve complex issues in routers, firewalls, load balancers, DNS, and global traffic managers(Cisco, Juniper, Check Point, A10, Infoblox, BIND, F5 GTM). Proactively forecast and address capacity and performance bottlenecks to prevent outages. Provide network expertise on outage bridges, rapidly identifying root causes using developed KPIs and telemetry. Define standards and playbooks for fault prevention and outage handling.

Observability & Telemetry

Build and operationalize telemetry pipelines with ServiceNow AIOps, Dynatrace, ThousandEyes, SevOne, Splunk, and OpenTelemetry (OTEL). Develop AI/ML-driven models to detect anomalies and predict failures across network, infrastructure, cloud, DNS, and application layers. Create and maintain dashboards and health checks for real-time visibility into system and network reliability.

Cloud, Automation & Infrastructure-as-Code

Use Terraform and IaC to deploy and manage infrastructure and applications in AWS cloud. Integrate reliability practices into CI/CD pipelines and DevOps workflows. Define, measure, and optimize performance KPIs, SLIs, and SLOs across hybrid environments (on-prem + cloud).

Technical System Expertise:

Deep understanding of system parameters, configurations, and how to alter them for desired results. Proactively identifies system weaknesses, determines root cause, and finds solutions for improvement. Aware of current technology benefits. Creating complex network and service architecture, design strategies and standards. Deep understanding in multiple technologies and disciplines in the building blocks, interactions, dependencies, and tools required to complete architecture design work. Independent study of current technology is expected. Good understanding of adjacent processes and workflows. Industry involvement. Understanding of the broader impact to the business from internal and external technology directions. Ability to represent T-Mobile's view on technology issues in public forums.

Technical Engineering Services:

Leads engineering projects and team members by active contribution to the application of engineering techniques; conducting tests and inspections; preparing reports and calculations. Expected to supervise principal level engineers as needed. Will be expected to present project improvement scenarios to executive team for consideration. Engages with vendor(s) or industry fellows to innovate procedures and processes to validate and enhance and optimize network architecture. Able to diagnose and redesign based on changing business requirements and objectives. Able to lead others through various scenarios and explain the variance and impact. Able to prepare executive summaries of activities and clearly communicate areas of opportunity.

Innovation:

Creates, presents, designs, and implements new ideas which improve an existing and new system/process/service. Proactively investigates architecture, design strategies and standards options to address concerns of new service offerings prior to creation. Offers new industry views and considerations within the NT organization. Contributes to industry or vendor forums on T-Mobile's behalf. Analyzes industry trends and competitive moves, determines potential impact on T-Mobile and proposes appropriate actions if any. Proposes new ideas and innovations to management that may have significant business impact.

Technical Writing:

Writes advanced documentation, architecture, capabilities, limitations, and advantages for technologies. Produces advanced documentation and literature for multiple disciplines. Clearly describes architecture, design strategies, standards, technical specifications, business benefits, opportunities and threats. Routinely creates and presents executive and external materials, including white papers. Actively contributes to industry publications and professional forums.

Technical Leadership:

Monitor and influence relevant industry technologies and standards. Present highly technical concepts to both technical and non-technical decision-makers. Continuously learns, creates content, and facilitates training held by others on a specific subject area. Informally coaches and contributes to the development of others through mentoring or in-house workshops and learning sessions. Coach and develop engineers across functional teams on technology decisions. Participation in formal internal training programs. Influence and recommends technology and policy decisions made across the Network Technology organization related to architecture, design strategies and standards. Influences financial decisions, including NPV and ROI, based on customer experience/business drivers.

Technology Strategy:

Research and create new technology options to drive business transformation. Proposes technology position for the company across the Network Technology organization.

Qualifications:

Education:

Master's/Advanced degree in Computer Science, Engineering, or related field. Equivalent experience considered.

Experience:

7-10 years in system, network, or reliability engineering roles. Deep expertise in network infrastructure (Cisco, Juniper, Check Point, F5, A10, Infoblox, BIND, DNS). Hands-on experience with observability tools: Dynatrace, ThousandEyes, SevOne, Splunk, ServiceNow AIOps, OTEL. Proficiency with automation tools (Terraform, Ansible, Chef, Puppet) and cloud deployments (AWS preferred). Programming/scripting in Python, Go, or Shell. Experience with CI/CD pipelines, Kubernetes, and containerized environments.

Preferred:

Experience in AI/ML-based telemetry and predictive network analytics.

Knowledge, Skills and Abilities

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Communication (Required) Technical Writing (Required) Analytics (Required) Customer Service (Required) Strategic Thinking (Required)

We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact! Our team is dynamic where no day is the same, and we are diverse and inclusive passionate about growth and transformation. If you're up to the challenge, apply today!

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

Travel

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Travel Required (Yes/No): Yes

DOT Regulated

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DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No




Base Pay Range: $142,800 - $257,600
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.


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 ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. 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.