(IT) Mid/Senior Domain Architect - Telecoms

Flint Technology Services Ltd; London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

An established industry player is seeking talented domain architects to join a significant telecom transformation project. This hybrid role offers the chance to work closely with development teams, translating high-level architecture into actionable plans. You will produce high-quality HLD/LLD documentation, ensuring alignment with business needs while engaging hands-on with AWS and multi-vendor integration. This is a unique opportunity to shape enterprise architecture best practices in a collaborative environment. If you are passionate about architecture and thrive in cross-functional teams, this role is perfect for you.

Qualifications

• 3+ years in Agile/SAFe delivery with strong problem-solving skills.
• 5+ years in telecoms with experience in stakeholder coordination.

Responsibilities

• Develop HLD/LLD documentation based on architectural frameworks.
• Collaborate with technical teams on API design and microservices.

Skills

Problem-solving skills

Cross-functional teamwork

Attention to detail

Tools

AWS

OSS/BSS

API design

Microservices

Event-driven architectures

Job description

Location: Hybrid London-centric role (3 days onsite)

Start Date: Immediate start

Duration: 3-month contract

Project Aspirations and Success Criteria

Flint is looking for domain architects to work closely with development teams and break down high-level architecture into actionable plans.

Deliver well-defined HLD/LLD documentation to enable development teams.

Ensure traceability of architectural design back to business requirements.

Act as a facilitator between system-wide architecture and implementation teams.

Project Current State

Our client is forming a "tactical core team" to own the architectural outcomes.

The company needs domain architects to refine high-level designs into HLD/LLD.

Expected to work within a small team alongside Endava engineers.

Coordination with Architectural Lead and Engineering Managers.

Success Criteria for Candidate

Produce high-quality HLD/LLD documentation that aligns with business needs.

Work closely with development teams to ensure implementation feasibility.

Assist in the transition from a T&M model to an outcome-based delivery approach.

Why is this Role Attractive to the Candidate?

Involvement in a significant telecoms' transformation project.

Hands-on engagement with AWS, OSS/BSS, and multi-vendor integration.

Opportunity to shape and refine enterprise architecture best practices.

Responsibilities

Develop HLD/LLD documentation based on high-level architectural frameworks.

Collaborate with technical teams on API design, microservices, and event-driven architectures.

Maintain traceability of architecture to requirements.

Technical and Business Requirements

Technical Experience

Minimum Years: 3+ (Agile/SAFe Delivery)

Business Experience

Minimum Years: 3+ (Stakeholder Coordination)

Experience

Minimum Years: 5+ (Telecoms)

Key Behaviours Required for the Candidate to be Successful:

Strong problem-solving skills.

Ability to work in cross-functional teams.

Attention to detail in documentation and design.