Technical Architect

SmartTek Global; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading technology consultancy in the UK is seeking a Senior Technical Architect / Lead Consultant to oversee the design and technical assurance of mobile communication systems. Candidates must have senior-level experience in mission-critical communications and relevant technologies, and be willing to obtain Security Clearance. The role entails leading complex projects, engaging with stakeholders, and producing technical documentation in a collaborative environment that values diversity and inclusion.

Qualifications

• Senior-level experience in mission-critical communications or related fields.
• Proven track record in leading technical design and assurance.
• Solid understanding of mobile communications technologies and industry standards.

Responsibilities

• Lead the design and technical assurance of mobile communication networks.
• Oversee programme delivery and ensure alignment with objectives.
• Engage with stakeholders to capture user requirements and define journeys.
• Produce technical specifications and architectural documentation.
• Act as a trusted advisor to clients and internal teams.

Skills

Mission-Critical Communications (MCx)

3GPP standards

Radio communications standards and protocols

LTE

5G / 5G NR

TETRA

Control room systems and supplier procurement

Job description

Senior Technical Architect / Lead Consultant – Mobile Communication Systems

Overview

A specialist technology consultancy is seeking a Senior Technical Architect / Lead Consultant to design, deliver, and assure large-scale mobile communication and control room systems. This role combines deep technical expertise with leadership responsibility across network architecture, programme delivery, and stakeholder engagement.

The position focuses on mission- and business-critical communication environments and requires close collaboration with clients, vendors, and delivery teams. Due to the nature of the work, candidates must hold or be willing to obtain Security Clearance (SC), with potential for additional levels of vetting.

About the Organisation

The organisation is an independent, award-winning digital and technology consultancy established over a decade ago. It supports public and private sector clients in delivering complex digital and technology transformation programmes through trusted advisory services.

The consultancy is known for its strong people-first culture, emphasis on collaboration, inclusion, and professional development, and its commitment to responsible business practices and community engagement. The business is in a sustained growth phase, with a clear multi-year strategy to expand its market presence and capability depth.

Role Responsibilities

Depending on seniority, the role may be more hands‑on technically or more focused on leadership and programme oversight. Core responsibilities include:

• Leading the design, architecture, and technical assurance of complex mobile communication networks
• Providing governance and assurance across large‑scale system deployments
• Overseeing programme delivery to ensure alignment with technical, commercial, and operational objectives
• Engaging with stakeholders to capture and define user requirements, journeys, and user experience (UI/UX)
• Producing technical requirements, specifications, and architectural documentation
• Supporting system procurement activities, including specification development, supplier evaluation, and award criteria
• Acting as a trusted technical advisor to clients and internal teams
• Maintaining up‑to‑date knowledge of mobile communications technologies, standards, and industry trends

Candidates should demonstrate senior‑level experience in one or more of the following areas:

• Mission‑Critical Communications (MCx)
• 3GPP standards
• Radio communications standards and protocols
• LTE
• 5G / 5G NR
• TETRA
• Control room systems and supplier procurement

Security Requirements

Due to the nature of the work, candidates must already hold or be willing to undergo Security Clearance (SC), with the potential for additional vetting as required.

Diversity & Inclusion

The organisation is committed to fostering a diverse and inclusive workplace and actively encourages applications from candidates of varied backgrounds. Flexibility and work‑life balance are supported wherever possible, subject to project and security requirements.