Principal Engineer, Systems Architecture

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Job Overview
The Systems & Network Reliability Engineer (SRE) improves and protects the software infrastructure and network systems that power T-Mobiles 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.

Job Responsibilities:

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-Mobiles 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 bottlenecksto prevent outages.
• Provide network expertise on outage bridges rapidly identifying root causes using developed KPIs and telemetry.
• Define standards and playbooksfor 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 modelsto detect anomalies and predict failures across network infrastructure cloud DNS and application layers.
• Create and maintain dashboards and health checksfor real-time visibility into system and network reliability.

Cloud Automation & Infrastructure-as-Code

• Use Terraform and IaCto 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 SLOsacross hybrid environments (on-prem cloud).
• Lead the development and evolution of network and service architecture designs to support technology portfolio enhancements
• Conduct analysis and interpretation of network simulations and test results to inform architecture decisions
• Create and maintain technical documentation and presentations to communicate complex ideas to diverse audiences
• Drive engineering projects by applying techniques supervising engineers and optimizing network architecture processes
• Monitor industry technologies and standards to influence technology and policy decisions across the organization
• Coach and mentor engineers on technology decisions and contribute to cross-functional technical investigations
• Also responsible for other duties/projects assigned by business management as needed

Qualifications:

Education:

• Bachelors degree required or Equivalent Experience
• Masters degree (Preferred)

Experience: (Required)

• 710 years in system network or reliability engineeringroles.
• 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.
• Experience in AI/ML-based telemetry and predictive network analytics. (Preferred)

Knowledge Skills and Abilities: (Required)

• Focus: Able to develop and communicate goals in support of the business mission.
• Drive: Self-motivated and able to work well under pressure with minimal supervision including the ability to simultaneously support multiple strategically significant tasks under fixed/accelerated deadlines.
• Teamwork: Ability and desire to work cooperatively with others on a team. Develop maintain and strengthen partnerships that can provide information assistance and support.
• Communication: The ability to ensure that information is passed on to others who should be kept informed. Express self clearly in conversations and interactions with others. Clear business and technical writing skills. The ability to plan and deliver oral and written communications that make an impact and persuade their intended audiences.
• Customer Focus: The ability to demonstrate concern and meet external and/or internal customers needs.
• Analytical: The ability to tackle a problem by using a logical systematic sequential approach.
• Technical Expertise: The ability to demonstrate depth of knowledge and skill in a technical area.
• Forward Thinking: The ability to anticipate the implications and consequences of situations and take appropriate action to be prepared for possible contingencies.
• Influencing Others: The ability to gain others support for ideas proposals projects and solutions.
• Motivational Support: The ability to enhance others commitment to their work.
• Inspiring Others: Ability to convey confidence in employees ability to be successful especially at
• Conceptual Thinking: The ability to find effective solutions by taking a holistic abstract or theoretical perspective.
• Strategic Thinking: The ability to analyze the organizations competitive position by considering market and industry trends existing and potential customers (internal and external) and strengths and weaknesses as compared to competitors.
• Fostering Innovation: The ability to develop sponsor or support the introduction of new and improved methods products procedures or technologies.

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 youre up to the challenge apply today!

• 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: $126800 - $228900

Corporate Bonus Target: 20%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidates 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 employees 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 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 dont 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-Mobiles amazing benefits check out.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre 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 or calling 1-. 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.