Senior Enterprise Architect – Telecoms

Cerillion Americas; City Of London; On-site; GBP 120,000 - 150,000; Full time

Benefits offered by this job

Competitive salary and performance-based bonus

23 days annual leave (+ bank holidays)

Healthcare cover

Training opportunities

Employee Assistance Program

Travel opportunities

Office in Covent Garden

Job summary

A leading telecommunications firm is seeking a Senior Enterprise Architect in City Of London to lead the technical strategy for a high-profile digital transformation programme. Responsibilities include defining the architecture vision, providing architectural direction, and ensuring governance across the programme. The ideal candidate will have significant experience in telecoms and cloud-native technologies with strong leadership and communication skills. Join a collaborative and innovative team.

Qualifications

• Experience in enterprise architecture roles, especially in the telecoms sector.
• Proven success in leading large-scale BSS/OSS transformation programmes.
• Deep understanding of telecom standards and technologies.
• Strong governance skills with TOGAF or equivalent.
• Ability to translate business requirements into deliverable technology designs.
• Excellent communication and stakeholder management across multi-vendor environments.

Responsibilities

• Define and lead the enterprise architecture vision.
• Act as the technical authority across the programme.
• Deliver technical thought leadership on BSS/OSS.
• Establish and enforce technical governance frameworks and architecture principles across all programme phases.
• Ensure architecture artefacts, decision logs, and design documentation meet compliance, quality, and audit requirements.
• Facilitate architecture reviews, design assurance, and risk management activities with internal and external stakeholders.
• Lead the design of scalable, modular, and resilient BSS/OSS solutions, integrating with legacy systems and modern platforms.
• Oversee solution architecture workstreams across multiple delivery teams and ensure consistency with target state architecture.
• Translate business and operational requirements into technology designs that are deliverable within programme constraints.
• Document and communicate the technology designs to the delivery teams and provide support in the execution of the delivery of the programme.
• Partner with executives, programme directors, product owners, and delivery teams to align architecture with delivery milestones.
• Engage and influence client stakeholders, third‑party vendors, and system integrators to drive architectural consensus.
• Present complex technical solutions in clear, compelling ways to both technical and non‑technical audiences.

Skills

Enterprise architecture

Telecoms architecture

Governance capabilities

Cloud-native architectures

Communication skills

Architecture governance

Education

Certification in TOGAF, TM Forum, or related frameworks

TM Forum standards

Cloud-native architectures

Tools

AWS

Azure

Kubernetes

Open APIs

Job description

We are seeking a highly experienced and visionary Senior Enterprise Architect to lead the technical strategy and governance for a high-profile, multi-million Pound digital transformation programme in the telecommunications sector. This role is critical to ensuring the successful design and delivery of complex, time-sensitive BSS/OSS ecosystems that support business-critical operations for a major telecoms client.

The ideal candidate will possess deep domain knowledge in telecoms architecture, strong technical governance capabilities, and a proven track record in thought leadership across cross‑functional and vendor‑led delivery environments.

Key Responsibilities

• Define and lead the enterprise architecture vision, aligning it with business strategy and programme objectives.
• Act as the technical authority across the programme, providing architectural direction and technology roadmap evolution.
• Deliver technical thought leadership, driving innovation, standardisation, and adoption of best practices across BSS/OSS layers.
• Establish and enforce technical governance frameworks and architecture principles across all programme phases.
• Ensure architecture artefacts, decision logs, and design documentation meet compliance, quality, and audit requirements.
• Facilitate architecture reviews, design assurance, and risk management activities with internal and external stakeholders.
• Lead the design of scalable, modular, and resilient BSS/OSS solutions, integrating with legacy systems and modern platforms.
• Oversee solution architecture workstreams across multiple delivery teams and ensure consistency with target state architecture.
• Translate business and operational requirements into technology designs that are deliverable within programme constraints.
• Document and communicate the technology designs to the delivery teams and provide support in the execution of the delivery of the programme.
• Partner with executives, programme directors, product owners, and delivery teams to align architecture with delivery milestones.
• Engage and influence client stakeholders, third‑party vendors, and system integrators to drive architectural consensus.
• Present complex technical solutions in clear, compelling ways to both technical and non‑technical audiences.

Required Experience & Skills

• Experience in enterprise architecture roles, with recent experience in telecoms sector.
• Proven success in leading architecture for large‑scale BSS/OSS transformation programmes.
• Deep understanding of telecom standards, protocols, and technologies (TM Forum frameworks, Open APIs, 5G readiness).
• Strong capability in architecture governance, enterprise frameworks (e.g., TOGAF), and agile or hybrid programme delivery.
• Experience in multi‑vendor environments, managing cross‑functional architecture inputs, and driving end‑to‑end integration.
• Exceptional communication, negotiation, and leadership skills.
• Willingness to travel and spend time onsite internationally.
• Experience with cloud‑native architectures (e.g., AWS, Azure), Kubernetes, microservices, and DevSecOps practices.
• Familiarity with data architecture, AI/ML applications in telecom, and enterprise security models.
• Certification in TOGAF, TM Forum, or related architecture frameworks.

Why Join Us?

• Join a high‑impact programme at the heart of digital innovation in telecoms.
• Be part of a collaborative team that values technical excellence and strategic thinking.
• Opportunity to shape the future state architecture of a mission‑critical system.

What We Offer

• Opportunity to lead flagship programmes for major telecom players
• Dynamic, innovative, and collaborative work environment
• Competitive salary and performance‑based bonus
• 23 days annual leave (+ bank holidays), increasing to 28 days after 5 years’ service.
• Vitality healthcare cover.
• Opportunities for internal and external training.
• Employee Assistance Program.
• Opportunities for travel.
• An office in the heart of Covent Garden, providing an excellent base for our team events and social functions.