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Service line - Position Title: Cellular IoT Architect

At EY, we’re all in to shape your future with confidence. 

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. 

Join EY and help to build a better working world. 

About Global Delivery Services

Global Delivery Services refers to EY's worldwide network of service delivery centers. The GDS team plays an important role in EY’s strategy by ensuring effective support to EY’s growth agenda.

Our journey started in 2002 with approximately 200 people. Today we stand at 80,000+ professionals in ten locations around the world. We operate in Argentina, China, Hungary, India, Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom.

Client service is focused on providing Consulting, Assurance, Tax, Strategy & Transactions, and Knowledge support to our clients around the world. The teams enable account teams worldwide to provide seamless, high-quality, value-added support, helping deliver exceptional client service.

Enablement Services provides cost-effective, high-skilled, and innovative services to support EY’s global and local enablement teams. Markets, BMC, AWS, Finance and Accounting, Risk Management, Procurement, People Shared Services, IT Service Delivery and IT Global Infrastructure services, are among the services offered by Enablement Services.

Our innovation specialists serve the GDS Client Service and Enablement Services teams, along with Service Lines, Core Business Services and Sectors. The team brings the desired environment, technologies and skilled teams together for facilitation, rapid prototyping and innovative thinking. The competencies offered include analytics, digital, user experience, mobile technology, infrastructure, Microsoft technologies and open innovation.

The Opportunity

A Cellular Architect for this engagement must combine telecom architecture (LTE/5G IoT), cybersecurity threat modeling, and utility-scale AMI communication expertise, with strong capabilities in risk assessment, encryption/identity, and long-term network strategy.

A comprehensive analysis of potential impacts to Client cellular functions such as availability, integrity of commands and data, remote operations and service disconnect, fleet management and provisioning, and over-the-air (OTA) updates and firmware distribution. A comprehensive assessment of the public LTE carrier core compromise scenario should begin with a clear definition of the threat scenario—including underlying assumptions, relevant threat actors, preconditions, and potential exposure pathways between carrier infrastructure

Your Key Responsibilities

The Cellular IoT Architect shall assess and evaluate client’s proposed communications approaches for upgradation, with a focus on resilience, and long-term viability. Provide an assessment of the client ecosystem and the timelines associated with the modules and services provided by the major wireless carriers.

Skills and attributes for success

• Deep expertise in LTE/4G architecture (EPC, RAN, Core)
• Understanding of 5G evolution pathways (eRedCap, NB-IoT, Cat-M1)
• Knowledge of public carrier architectures & dependencies
• Ability to evaluate long-term technology viability (till 2053 lifecycle)
• Experience in utility AMI / smart meter communication ecosystems
• Understanding of:
  • Fleet provisioning & device lifecycle management
  • OTA firmware updates
  • Remote operations / service disconnects
• Traffic modelling awareness (device density, burst patterns)
• Cat-M1 (LTE-M), NB-IoT, eRedCap ecosystem maturity
• Device-module ecosystem & carrier rollout timelines
• RF characteristics and coverage trade-offs
• Deep knowledge of:
  • LTE core vulnerabilities
  • Threat models (carrier core compromise scenarios)

Ideally, you’ll also

• Integration with OT/SCADA systems
• Understanding of grid-edge computing
• Experience in hybrid comms architecture (cellular + mesh)
• Digital twin integration for network simulation / traffic modelling

What we look for

• Security controls across:
  • Device → Network → Core → Application layers
• Implementation knowledge of:
  • IPsec / network-layer encryption
  • End-to-end encryption models
  • SIM/eSIM security frameworks
• Understanding of:
  • Identity & key management systems
  • Provisioning flows (eSIM ownership models)

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more.

Are you ready to shape your future with confidence? Apply today. 

To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

Our Commitment: As a commitment, we persistently endeavour to embody our values, fulfil our purpose, and champion inclusiveness. Our dedication is to cultivate EY into an environment where diverse perspectives are celebrated, creating a supportive atmosphere for individuals to authentically be themselves and contribute their utmost.

Professional Development: From entry-level employees to senior leaders, we believe in continuous learning. We offer opportunities to build new skills, take on leadership roles, and connect and grow through mentorship.

People and Culture: In our dynamic workplace, diversity, equity, and inclusiveness are ingrained in our culture. We're united by a commitment to create an environment where every individual's differences are valued, practices are equitable, fostering a sense of belonging. Our shared values include integrity, respect, teaming, inclusiveness, energy, enthusiasm, courage to lead, and building relationships based on doing the right thing.

Benefits: Embark on a transformative career journey with us and indulge in a suite of premium benefits, encompassing exclusive health and wellness packages, enticing rewards, and cutting-edge learning opportunities that empower you to continually grow and excel in your professional and personal development.

How to Apply: If you are passionate to join us and are aligned with our commitment to building a better working world, we invite you to apply by completing our user-friendly form with personal and professional information and by providing your consent to data privacy.

Successful candidates advance to a competency-based interview. If mutual interest persists, a job offer awaits.

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