Solution design professional

Job Req ID: 52243

Posting Date: 3 Nov 2025

Function: Software Engineering

Unit: Networks

Location:
Outer Ring Road, Bellandur, Bengaluru, India

Salary: Competitive

• Responsible for detailed design output at a platform and service level
• Producing quality high level and low level design documentation
• Representing the team on project engagements and contributing from
  
  requirements gathering right through to launch
• Communicating back into the team summaries of the project scope and
  
  requirements
• Designing of scalable solutions with the highest customer experience standards.
• Monitor the capacity of our platforms and interfaces and plan upgrades,
  
  configuration changes or migration activities as needed
• Working closely with test and operations and other stakeholders across
  
  technology to ensure best stability of our solutions
• Providing technical expertise and consultancy to the team and beyond
• Support the wider team with core design activities as needed

• Exceptional communicator skilled at engaging and influencing senior design and
  
  specialist levels.
• Extensive experience in creating comprehensive documentation for complex
  
  solutions.
• Proficient in troubleshooting and performing low-level diagnostics.
• In-depth knowledge of voice core networks, with a broad understanding of mobile
  
  and BT core networks and services.
• Analytical thinker with the ability to analyse and interpret data and network
  
  statistics.
• Capable of applying network and commercial insights to solve problems and drive
  
  solutions.
• Strong commercial acumen, adept at identifying opportunities for efficiency and
  
  best practices.

• Extensive knowledge and experience with IMS technologies and related voice
  
  services such as VoLTE, VoWiFi, Interconnect, Fixed, and 5G.
• Proficient in API design and development.
• Solid foundational knowledge and experience with telecom voice solutions based
  
  on virtualized technology, including VMware and COTS.
• Competent understanding and experience with telecom voice solutions utilizing
  
  private or public cloud technologies, including containerization, Kubernetes,
  
  Linux, and OpenStack software.
• Strong practical knowledge and experience with protocols such as SIP, HTTP, IP
  
  networking, Diameter, DNS, BICC, ISUP, CAP, and INAP.
• Basic hands-on experience with subscriber provisioning processes and systems.
• Skilled in telecom platform and software security.

Data Modelling

Regulatory Compliance

APIs/Web Service Integration

Requirements Gathering

Change Management

Product Roadmapping

Technology Strategy

Solution Design

Pre Sales

Strategic Planning

Agile Methodologies

Application Development

Enterprise Architecture

Business Process Improvement

Solution Architecture

Decision Making

Growth Mindset

Inclusive Leadership

Looking in:

Leading inclusively and Safely

I inspire and build trust through self-awareness, honesty and integrity.

Owning outcomes

I take the right decisions that benefit the broader organisation.

Looking out:

Delivering for the customer

I execute brilliantly on clear priorities that add value to our customers and the wider business.

Commercially savvy

I demonstrate strong commercial focus, bringing an external perspective to decision-making.

Looking to the future:

Growth mindset

I experiment and identify opportunities for growth for both myself and the organisation.

Building for the future

I build diverse future-ready teams where all individuals can be at their best.

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We've brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We're a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it's not just the technology that matters, it's what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

A FEW POINTS TO NOTE:

Although these roles are listed as full-time, if you're a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

DON'T MEET EVERY SINGLE REQUIREMENT?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.