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Principal Systems Architecture Engineer – Secure Federal Ops

https://www.t-mobile.com Logo

T-Mobile

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Location:
United States , Herndon

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

126800.00 - 228900.00 USD / Year
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Job Description:

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.

Job Responsibility:

  • Technical System Expertise: Lead design strategies, standards, processes/workflows, and cost/benefit analyses for complex network and service architectures
  • 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
  • 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
  • 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

Requirements:

  • 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
  • US Citizenship (without dual citizenship)
  • Security Clearance, active or ability to obtain one
What we offer:
  • competitive base salary and compensation package
  • annual stock grant
  • employee stock purchase plan
  • 401(k)
  • access to free, year-round money coaches
  • medical, dental and vision insurance
  • flexible spending account
  • paid time off
  • up to 12 paid holidays
  • 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
  • voluntary long-term care insurance
  • mobile service & home internet discounts
  • pet insurance
  • access to commuter and transit programs

Additional Information:

Job Posted:
January 07, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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