Solution Architect CGEMJP in City of London

Duration: contract to run until 17/07/2026

Location: Hybrid. Ideally 1 day per week minimum on client site but not required.

Rate: up to 874 p/d Umbrella inside IR35

Clearance required: Must be, or be eligible to be SC cleared (UK passport or Indefinite Leave to Remain, 5 years' UK residency, no more than 28 consecutive days out of the UK)

Role purpose / summary

Capgemini seeks a hands‑on detailed delivery architect responsible for leading the design, assurance, and implementation of secure, scalable, and high‑performance network and IT solutions‑particularly within telecommunications environments. The architect will review approve and sign‑off of all project lifecycle technical documents, perform project technical assurance, technical integrity, compliance, and value for money across the full project lifecycle, supporting both internal and customer‑facing services.

Key Responsibilities

• Lead the creation, development, and maintenance of architectural documentation, including High‑Level Designs (HLDs), Low‑Level Designs (LLDs), interface specifications, and sub‑system specifications throughout project lifecycles.
• Provide technical assurance, governance, and value for money assessments for new, existing, and decommissioned telecom and IT services.
• Collaborate with cross‑functional teams (technical SMEs, project managers, business analysts, security/compliance, testers, suppliers, and third parties) to define requirements and deliver integrated solutions.
• Act as the primary technical point of contact with telecom operators and internal/external stakeholders, facilitating effective communication and collaboration.
• Ensure solutions comply with industry standards, regulatory requirements, legal frameworks (e.g., IPA 2016, GDPR), and security/compliance standards (e.g., ISO 27001, NIST, TSA).
• Provide technical leadership in solution integration, design reviews, documentation, and testing.
• Support operational teams with troubleshooting, performance optimisation, and knowledge sharing.
• Manage technical risks, issues, assumptions, dependencies, and all types of change throughout project lifecycles.
• Proactively identify and resolve delivery project issues (technical and non‑technical).
• Contribute to continuous improvement and organisational knowledge sharing.

Required Skills and Experience

• 5-10 years' experience working with telecommunications operators and delivering technical solutions in enterprise or service provider environments.
• Minimum 5 years' experience in Writing and managing HLD/LLD documents for complex end‑to‑end IT and Telco solutions.
• Designing and integrating IT solutions (e.g., data repositories, middleware, workflow, CRM) with Telco networks and supporting technologies (OSS, BSS, IMS, NAT, CGNAT, IPv4/IPv6).
• Defining interface specifications (protocols, messages, formats).
• Leading teams and collaborating with multiple suppliers/third parties in a 'one-team' approach.
• Report writing and documentation.
• Strong analytical, verbal, and written communication skills.
• Proven experience in software engineering and understanding of software development principles.
• Experience with cloud technologies and platforms (AWS, Azure, Google Cloud), including hybrid and private data centres.
• Experience with Big Data solutions, data governance, and data protection strategies.
• Familiarity with CI/CD pipelines and tools (Kubernetes, Docker, GitOps, Prometheus, Grafana, ELK Stack, Datadog).
• Understanding of IP networking and address translation solutions (e.g., CGNAT).
• Experience working in highly regulated industries (telecoms, government) and delivering secure solutions.
• Ability to ensure full compliance with legal, technical, and policy processes, including audit requirements.

Personal Traits

• Passion for assurance, technology, and value for money.
• Team player with strong stakeholder relationship‑building skills.
• Initiative and proactive problem‑solving.
• Willingness and ability to learn new technical skills.

Qualifications and Certifications (Desirable)

• Degree in Computer Science, Network Engineering, or related technical field.
• Relevant cloud architecture certifications (AWS, Azure, Google Cloud).
• Telecoms and cloud industry certifications.
• Experience with security frameworks and compliance standards.

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!