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Senior Engineer – Mobile Device Development & Testing- Onsite

Cognizant
Full-time
On-site
Pennsylvania
Digital

Summary

This role involves hands-on experience with Android and iOS-based mobile devices, a strong understanding of the wireless telecom ecosystem, and a passion for working with emerging technologies. The engineer will be responsible for managing test plans, executing regression testing, validating OEM/test partner results, and overseeing the lifecycle of mobile device testing for a wireless service provider.


Key Responsibilities

  • Develop, document, and revise test plans and procedures for mobile devices and wireless accessories.
  • Manage bug reporting and resolution processes; perform software upgrades using OEM tools.
  • Oversee test sample inventory, distribution, activation, and firmware updates.
  • Validate OEM and partner test results through regression and ad-hoc testing.
  • Certify maintenance releases (MRs) and security updates by executing relevant test cases.
  • Compile test data, collect logs, and generate engineering reports for internal and external stakeholders.
  • Maintain issue tracking systems and ensure timely updates and communication.
  • Troubleshoot device-related issues and conduct field testing as needed.
  • Monitor customer-reported issues, perform root cause analysis, and develop test methods to improve satisfaction.
  • Deploy and manage new test tools and automation frameworks.
  • Collaborate with cross-functional teams and stakeholders to ensure alignment on testing requirements and outcomes.

Required Skills & Experience

  • Bachelor’s degree in Computer Science, Electronics & Telecommunications, Engineering, or a related field.
  • 5+ years of experience in product development or technology management, with at least 3 years in mobile/wireless domains.
  • Strong understanding of LTE and 5G RF and Core technologies.
  • Proficiency in Android and iOS platforms, including smartphones, tablets, and wearables.
  • Experience with GSM/WCDMA/LTE/WiFi technologies.
  • Familiarity with JIRA, Confluence, and other issue tracking tools.
  • Proven ability to plan, develop, and execute feature and functional test cases.
  • Experience in regression, performance, and stress testing.
  • Strong analytical, communication, and documentation skills.
  • Effective project management and coordination across matrixed teams.
  • Experience certifying mobile products for MNOs or MVNOs.

Preferred Attributes

  • Self-starter with the ability to work independently.
  • Strong collaboration skills with internal and external teams.
  • Ability to adapt to fast-paced environments and evolving technologies.