Principal Systems Architecture Engineer – Secure Federal Ops
T-Mobile USA, Inc.About the role
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The System Architecture Engineer develops and evolves network and service architectures—focusing on cloud network topologies and wireless networks—to advance T-Mobile Secure Federal Operations’ (TSFO) technology portfolio. This role includes designing schematics, selecting hardware/software, driving implementation, and evaluating emerging technologies. Engineers will translate complex technical concepts for diverse audiences, influence industry standards, and provide leadership on challenging assignments with minimal oversight.T-Mobile requires U.S. citizenship for certain roles within the organization. This role requires U.S. citizenship. Individuals hired into this role will be required to submit documentation proving U.S. citizenship within the first 7 days of hire - failure to do so will result in termination.
This is a hybrid position required to be in-office at least 3 days a week.
MAIN RESPONSIBILITIES:
Technical System Expertise: Lead design strategies, standards, processes/workflows, and cost/benefit analyses for complex network and service architectures. Deep understanding of system parameters, configurations, and how to alter them for desired results. Drive full business case analysis.
Engineering Services: Drive engineering projects, validate/optimize network designs, and deliver executive-level insights communicating areas of opportunity.
Innovation: Identify and implement improvements in systems, processes, and services; lead cross-functional investigations to solve business challenges and create new opportunities. Analyzes existing architecture, design strategies, standards, and vendor roadmaps to ensure processes or tools are more effective.
Documentation & Communication: Create clear technical documentation on existing and new systems and services. Present complex technical system specifications and business requirements to technical and non-technical stakeholders, including executive presentations
Leadership: Mentor/coach engineers, influence technology and policy decisions, design strategies and standards, and drive PoCs and technology roadmaps.
Technology Strategy: Evaluate new/existing technologies and recommend strategic directions to align with business goals.
Also responsible for other Duties/Projects as assigned by business management as needed.
KNOWLEDGE, SKILLS & ABILITIES:
Strong technical depth in network and service architecture with cloud expertise.
Excellent communication skills—able to simplify complex technical concepts.
Proven leadership and mentoring abilities - develop, maintain, and strengthen partnerships.
Analytical, strategic, and forward-thinking mindset. Ability to consider the organization's competitive position by analyzing market and industry trends
Demonstrated ability to innovate, influence, and deliver results under pressure. Self-motivated with the ability to support multiple strategically significant tasks
QUALIFICATIONS:
Bachelor's Degree in Engineering, Computer Science, or related field. Advanced degree preferred.
7 years of technical engineering experience
5 years of hybrid, and cloud-based topologies
Experience developing and executing network operations plans—Technical writing, Operational support documents, Break fix and troubleshooting documents
Knowledge of radio networks, 3GPP, specifically in 4G and 5G
At least 18 years of age
Legally authorized to work in the United States
REQUIREMENTS:
US Citizenship (without dual citizenship)
Security Clearance, active or ability to obtain one
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 orApply for this role
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