Mid/Senior Domain Architect - Telecoms

Project Title: Enterprise Architecture & OSS Transformation

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.

Existing/target team and support infrastructure for team member

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.

Ensure designs facilitate smooth development execution.

Maintain traceability of architecture to requirements.

Technical and Business Requirements

Technical Experience Minimum Years

Cloud & Edge Computing (AWS, OpenStack, Linux, Kubernetes) 3+

OSS/BSS & Integration (API design, microservices) 5+

Agile/SAFe Delivery 3+

Business Experience Minimum Years

Multi-Vendor Agile Delivery 3+

Stakeholder Coordination 3+

Soft skills requirements

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.

Market experience

Experience Minimum Years

Telecoms 5+