T-Mobile · 7 hours ago
Principal Systems Reliability Engineer, Secure Federal Operations
Herndon, VA
Full-time
Hybrid
Senior Level, Lead/Staff
$115K/yr - $207K/yr
7+ years expT-Mobile is committed to investing in its employees and offers a comprehensive rewards package. The Principal Systems Reliability Engineer will design and implement secure, scalable technology solutions, focusing on cybersecurity, system architecture, and operational excellence to enhance service quality and customer satisfaction.
InternetMobileTelecommunicationsWireless
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Develop and implement system designs and architectures to improve software delivery speed and operational efficiency
Lead architecture for cross-domain programs, ensuring alignment with enterprise standards
Build and operate cloud-native platforms (Kubernetes, service mesh, ingress, policy engines)
Implement network segmentation, firewalls, VPNs, and Zero Trust principles
Contribute to advancing software delivery processes including cloud enablement and microservices containerization
Deliver software solutions that enhance service availability, scalability, latency, and efficiency
Manage environment provisioning and pipeline configurations to support automated server deployment
Also responsible for other duties/projects as assigned by business management as needed
Qualification
Required
7+ years of progressive experience in systems architecture, platform engineering, or site reliability engineering, with a strong focus on security and operational excellence
Experience designing and implementing secure, scalable, and highly available systems across hybrid and cloud environments (Azure, AWS, or GCP)
Experience in automation and scripting using Python, Go, PowerShell, or Bash
US citizenship (without dual citizenship)
At least 18 years of age and legally authorized to work in the United States
Active security clearance or ability to obtain one
Bachelor's Degree in areas of study including Computer Science, Engineering, IT plus 7 years of related work experience, OR Advanced degree with 5 years of related experience
Preferred
Knowledge of imaging processes and asset lifecycle management, including provisioning, patching, and compliance tracking
Strong background in network architecture and security, including segmentation, VPNs, firewalls, and Zero Trust principles
Experience with DevOps tools, such as, Ansible, Chef, Puppet, etc. Experience in Docker, Kubernetes, etc. is preferable
Experience with Application Performance Monitoring (APM) tools such as AppDynamics, and logging/observability tools like Splunk for troubleshooting and performance analysis
Experience working in a cloud environment (public/private)
Ability to influence technology direction, lead architecture reviews, and collaborate across multiple teams
Experience in incident and problem management, root cause analysis, and disaster recovery planning
Benefits
Medical, dental and vision insurance
Flexible spending account
401(k)
Employee stock grants
Employee stock purchase plan
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
Company
T-Mobile
T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services. It is a sub-organization of Deutsche Telekom.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$17.37B2026-01-05Post Ipo Debt· $2B
2025-10-06Post Ipo Debt· $2.8B
2024-09-23Post Ipo Debt· $2.5B
Leadership Team
John Saw
President of Technology, Chief Technology Officer
Peter Osvaldik
EVP & CFO
Recent News
PCMag.com - Technology Product Reviews, News, Prices & Tips
2026-01-25
Android Headlines
2026-01-24
2026-01-24
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