We are Hiring..

About Us:

Mobileum is a leading provider of Telecom analytics solutions for roaming, core network, security, risk management, domestic and international connectivity testing, and customer intelligence. More than 1,000 customers rely on its Active Intelligence platform, which provides advanced analytics solutions, allowing customers to connect deep network and operational intelligence with real-time actions that increase revenue, improve customer experience, and reduce costs. Know our story: https://www.mobileum.com/

Headquartered in Silicon Valley, Mobileum has global offices in Australia, Dubai, Germany, Greece, India, Portugal, Singapore and UK with global HC of over 1800+.

Join Mobileum Team

At Mobileum we recognize that our team is the main reason for our success. What does work with us mean? Opportunities!

Role: Principal Engineer

Function: Telecom Product Development Engineering

Business Unit: Roaming & Network Services (RNS)

Domain: Policy Control, Voice & Signaling Security

About the Job: The Principal Engineer Policy & VPE is responsible for end-to-end system architecture, design, and technical leadership for Policy Control and Voice Policy Engine solutions. The role requires deep expertise in telecom signaling, voice call flows, and real-time policy enforcement, along with modern cloud-native telecom architecture.

Roles & Responsibility: -

System & Solution Architecture

- Own end-to-end system design for Policy, VPE, and signaling-based enforcement platforms

- Architect real-time voice and signaling systems with strict latency, throughput, and availability SLAs

- Define functional and non-functional system requirements and deployment models

Telecom Protocols & Call Flows

- Design and validate call flows across call management, session management, and mobility

- Work extensively with SS7 (MAP/CAP/SCCP/TCAP),



Diameter, SIP, GTP, HTTP/2, and 5G SBA interfaces

- Ensure compliance with 3GPP, GSMA IR, and ETSI standards

Cloud-Native & Platform Architecture

- Design solutions using NFV, VNF, and CNF architectures

- Apply containerization, Kubernetes, and microservices-based designs

- Support deployments across VM-based, containerized, and hybrid operator environments

Reliability, Performance & Scale

- Design carrier-grade systems with active-active or active-standby redundancy

- Ensure fault tolerance, geo-redundancy, and disaster recovery

- Meet strict latency and throughput requirements for real-time voice traffic

Cross-Functional & Customer Engagement

- Act as technical authority across Product, Development, QA, DevOps, and Delivery teams

- Lead HLD/LLD reviews and deployment readiness activities

- Support critical customer escalations and mentor engineering teams

Desired Profile: -

- Ownership of mission-critical policy and voice platforms

- Work on cutting-edge 5G and cloud-native telecom solutions

- High-visibility role influencing long-term product architecture

Technical skills:

Telecom & Policy Domain

- Strong knowledge of mobility, call management, and session management

- Deep understanding of voice and signaling-based policy enforcement

- Solid understanding of telecom evolution from 2G to 5G

System & Architecture Expertise

- Proven experience designing large-scale, distributed telecom systems

- Solid background in high availability, failover, and latency-sensitive designs

Cloud-Native Skills

- Hands-on experience with Kubernetes, containerized workloads, and microservices

- Strong networking fundamentals (IP routing, load balancing, firewalls)

Work Experience:

- 12+ years of experience in telecom system engineering, product development, or deployments

- Experience working with Tier-1 telecom operators preferred

📌 System Engineering (Architect) (Bengaluru)
🏢 Mobileum
📍 Bengaluru