30 unified communications solution lead jobs found in London

Unified Communications Solution Lead Location: Central London - Fully Onsite Contract: 12-month rolling contract Rate: £110-£118 per hour, Outside IR35 Clearance: MOD DV Clearance - Essential The Opportunity We are looking for an experienced Unified Communications Solution Lead to join a high-profile secure communications programme in Central London. You will be responsible for designing and delivering secure, resilient collaboration solutions across complex and highly controlled network environments. The role combines Unified Communications architecture, secure network integration, technical leadership and stakeholder management . This is an excellent opportunity for a senior UC professional with strong experience across voice, video, collaboration and secure communications environments , who is comfortable operating in a highly secure, mission-critical setting. Key Responsibilities Design and deliver secure Unified Communications solutions across complex...

Unified Communications Solution Lead Location: Central London - Fully Onsite Contract: 12-month rolling contract Rate: £100-£105 per hour, Outside IR35 Clearance: MOD DV Clearance - Essential The Opportunity We are looking for an experienced Unified Communications Solution Lead to join a high-profile secure communications programme in Central London. You will be responsible for designing and delivering secure, resilient collaboration solutions across complex and highly controlled network environments. The role combines Unified Communications architecture, secure network integration, technical leadership and stakeholder management. This is an excellent opportunity for a senior UC professional with strong experience across voice, video, collaboration and secure communications environments, who is comfortable operating in a highly secure, mission-critical setting. Key Responsibilities Design and deliver secure Unified Communications...

Unified Communications Solution Lead Location: Central London - Fully Onsite Contract: 12-month rolling contract Rate: £100-£105 per hour, Outside IR35 Clearance: MOD DV Clearance - Essential The Opportunity We are looking for an experienced Unified Communications Solution Lead to join a high-profile secure communications programme in Central London. You will be responsible for designing and delivering secure, resilient collaboration solutions across complex and highly controlled network environments. The role combines Unified Communications architecture, secure network integration, technical leadership and stakeholder management . This is an excellent opportunity for a senior UC professional with strong experience across voice, video, collaboration and secure communications environments , who is comfortable operating in a highly secure, mission-critical setting. Key Responsibilities Design and deliver secure Unified Communications solutions across complex...

Unified Communications Solution Lead / Architect – DV Cleared Contract: 12 months Rate: £109.25 per hour IR35 Status: Outside IR35 Security Clearance: Active DV clearance and sole British citizenship required The Opportunity We are recruiting for an experienced Unified Communications Solution Lead / Architect to support a defence client on a 12-month contract. The role will focus on the technical design, integration and delivery of secure Unified Communications solutions, encompassing voice, video conferencing and collaboration technologies. The successful candidate will have a strong technical background in Unified Communications architecture, with experience producing high-level and low-level designs, leading technical delivery and working closely with stakeholders. Key Responsibilities Lead the technical design and delivery of Unified Communications solutions. Produce and maintain High-Level Designs (HLDs) and Low-Level Designs...

Defence & Secure Communications industry London HQ (Fulltime onsite, no remote working) Up to £105 p/h Outside IR35 *This role requires live DV clearance and Full time onsite work in the London HQ, please only apply if you hold the relevant clearance and are willing/able to be based onsite fulltime* We are seeking an experienced DV Cleared Communications System Architect to design and deliver secure, resilient collaboration environments across complex and highly restricted network domains. This is a senior technical role focused on cross-domain communications, secure collaboration and multi-vendor UC integration, supporting environments where security, availability and interoperability are critical. Key Responsibilities Design and deliver secure cross-domain solutions (CDS), guards and multi-level security (MLS) gateways Enable secure voice, video and chat communications across separate classified or isolated network domains Architect and integrate...

Location: London (fully onsite) Duration: 12 month contract Rate: £118ph LTD (Outside IR35) Clearance: Active DV required Role details: We are seeking an experienced Unified Communications (UC) Solution Lead to design, develop and deliver secure communication and collaboration solutions within highly regulated defence environments. The successful candidate will lead the architecture and integration of enterprise-scale Unified Communications platforms, enabling secure voice, video, messaging and collaboration services across complex and segregated network environments. This role requires a strong blend of technical leadership, stakeholder management and secure solution design expertise, with a particular focus on interoperability, resilience and information assurance. Responsibilities: Produce and own High-Level Designs (HLDs) and Low-Level Designs (LLDs) for Unified Communications solutions. Design scalable, resilient and secure voice, video and...

Microsoft Licensing and Optimisation Consultant Contract 6 months with extension for right person Outside IR35 expected but to be confirmed Microsoft Optimisation Manager Location: Southampton or London- hybrid, approximately 1 day per week onsite (Some travel between sites and teams across the UK and Europe) Contract: Initial 6 months, with the potential to extend to 12 months and further Rate: £500- £550 per day, depending on experience IR35: To be confirmed (expected to be Outside IR35) Start Date: ASAP The Opportunity We are seeking an experienced Microsoft Licensing and Optimisation Consultant to support a major Microsoft licensing optimisation initiative ahead of a upcoming Enterprise Agreement renewal. With a significant Microsoft renewal valued at approximately £30-40 million expected next year, the business wants to establish greater visibility of its Microsoft estate, improve licence utilisation and identify...

AWS Architect – Voice Solution – initial 6-month contract -£650 p/d (Outside IR35) – London Our high growing consultancy client is looking for an experienced AWS architect to support the design, deployment and integration of a voice solution within AWS You’ll be responsible for translating the solution requirements into a secure, scalable and reliable AWS architecture, working closely with engineering and delivery teams to ensure the platform is deployed effectively. Key Responsibilities Design and architect AWS infrastructure to support a cloud-based voice solution. Lead the deployment and configuration of the solution across AWS environments. Design integrations between the voice platform and relevant AWS services and third-party systems. Ensure solutions follow AWS best practices around security, scalability, resilience and performance. Define networking, IAM, compute, storage and monitoring requirements. Support infrastructure-as-code and automated...

You will take ownership of QA across a complex portfolio of digital products, platforms and integrations. This is a hands-on role combining test strategy, automation excellence, supplier governance and team development. You'll be responsible for ensuring robust, secure and compliant solutions are delivered, whilst embedding modern QA practices and driving continuous improvement across the technology function. Client Details Our client is a large, social housing organisation undergoing an ambitious digital transformation programme. With a significant investment in technology, data and customer-facing services, they are modernising their platforms, applications and integration landscape to deliver better outcomes for the communities they serve. They offer a collaborative culture where innovation, quality and continuous improvement are genuinely valued. Description Define and own the organisation's QA and testing strategy across both internal and third-party...

About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact. Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors. Past and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery life cycle,...

Lead Azure DevOps Engineer ( SC eligible/ SC Cleared )    London, United Kingdom | Posted on 06/10/2026   About Scrumconnect Scrumconnect Consulting is a UK-based digital transformation consultancy delivering secure, scalable, and user-centred solutions across government and enterprise organisations. We specialise in agile delivery, cloud platforms, data, and modern engineering practices—helping clients build reliable services that meet high operational and compliance standards. Role Overview As a Lead Azure DevOps Engineer, you will be at the forefront of our infrastructure development, guiding our DevOps strategy and implementation within Azure environments. You will work closely with development teams to ensure efficient deployment and operation of applications, and lead the effort to automate and optimise our processes. This role suits a dynamic, proactive leader who is passionate about using cloud technologies to...

AI Adoption Consultant | Healthcare | London (1 day per week) | Outside IR35 £800 - £1000 per day | 9 month contract A healthcare business is looking for an AI Adoption Consultant to help shape what work looks like in an AI-enabled organisation - and turn that vision into reality. This is a hands-on, organisation wide role for someone who understands that successful AI adoption is about much more than introducing new tools. The opportunity is to rethink how teams work, redesign workflows, build new capabilities and demonstrate measurable improvements in quality, speed and capacity. You’ll work closely with senior leadership, technology, learning and development, and teams across the organisation to identify where AI can fundamentally change the way work gets done. What you’ll do Develop a practical vision for how an AI-enabled healthcare organisation should operate. Work with teams across the business to understand existing workflows and identify...

AWS Architect - Voice Solution - initial 6-month contract -£650 p/d (Outside IR35) - London Our high growing consultancy client is looking for an experienced AWS architect to support the design, deployment and integration of a voice solution within AWS You'll be responsible for translating the solution requirements into a secure, scalable and reliable AWS architecture, working closely with engineering and delivery teams to ensure the platform is deployed effectively. Key Responsibilities Design and architect AWS infrastructure to support a cloud-based voice solution. Lead the deployment and configuration of the solution across AWS environments. Design integrations between the voice platform and relevant AWS services and third-party systems. Ensure solutions follow AWS best practices around security, scalability, resilience and performance. Define networking, IAM, compute, storage and monitoring requirements. Support infrastructure-as-code and automated...

Lead Azure DevOps Engineer Location:London Contract Type: Contract, Outside IR35 Rate: £450 to £500 per day, Outside IR35 Security Clearance: Active SC or SC eligible (candidates must hold active SC clearance or be eligible to obtain it) Start Date: ASAP The Role As a Lead Azure DevOps Engineer, you will be at the forefront of our infrastructure development, guiding our DevOps strategy and implementation within Azure environments. You will work closely with development teams to ensure efficient deployment and operation of applications, and lead the effort to automate and optimise our processes. This role suits a dynamic, proactive leader who is passionate about using cloud technologies to improve operational effectiveness and deliver outstanding results. Key Responsibilities ? Design, implement and manage CI/CD pipelines and processes to ensure smooth, reliable deployment of software products within Azure. ? Lead development and operations teams in adopting best practice in...

Lead Solution Architect - Contract £750 per day | Outside IR35 (anticipated) | Immediate start We're looking for an experienced Lead Solution Architect to join a large, complex organisation, helping shape and deliver solutions across a varied technology landscape. This role would suit someone with strong experience working across enterprise environments who can combine architectural thinking with a practical, delivery-focused approach. You'll work closely with engineering, product and business teams to turn requirements into effective, scalable solutions. The role Design end-to-end solutions across multiple systems and technologies Produce HLDs and clear architecture documentation Work closely with developers, BAs and product teams throughout delivery Identify technical risks, dependencies and integration considerations Challenge requirements and recommend pragmatic solutions Clearly communicate technical decisions and their business value Provide architecture guidance...

Senior User Researcher (SC Cleared) £450 per day | Outside IR35 | Remote with occasional travel | Active SC Clearance Required We're looking for an experienced User Researcher with strong GDS and User-Centred Design (UCD) expertise to join a high-performing delivery team. This role is ideal for someone who thrives on ownership, works proactively with minimal direction, and can confidently shape and drive user research activities across complex programmes. You'll be joining a collaborative environment where pragmatism is valued. We need someone who understands when a rapid evidence-based approach is appropriate and when a deeper research engagement is required. Responsibilities Plan, design and deliver user research activities throughout the delivery life cycle Generate actionable insights that influence service design and decision-making Work closely with multidisciplinary teams including designers, business analysts, product managers and delivery managers...

Principal Full Stack Engineer - Azure AI Search & Elasticsearch 6-month contract Outside IR35 London - 2 days onsite We are looking for a Principal Full Stack Engineer to lead the design and delivery of enterprise search and AI-driven applications. This is a senior, hands-on contract combining search architecture, full-stack development, Microsoft Azure, DevOps and Generative AI. Key responsibilities Design and optimise enterprise search solutions using Elasticsearch and Azure AI Search. Define Elasticsearch cluster architecture, index mappings, aggregation queries and life cycle strategies. Improve search relevance, indexing performance, query latency and platform resilience. Build Azure AI Search solutions using indexers, custom skillsets, vector search and semantic ranking. Develop responsive, search-focused applications using JavaScript/TypeScript and React, Angular or Vue. Design and integrate APIs and Back End services across the Azure ecosystem. Build...

Senior Python Engineer - AI & Microservices £450 PD to £600 PD (Outside IR35) | 12 month Contract | 2 days onsite in London (Hybrid) | ASAP Start Our trusted technology partner is developing innovative products and is looking for an experienced Senior Python Engineer/Back End Developer to join a fast-moving team. You will develop Python microservices, scalable services, voice chat, and data pipelines, using AI technologies including ASR, TTS, and LLMs. The ideal candidate will have strong Python skills, a pragmatic delivery-focused approach and experience working within either a SaaS, Digital-Rich, Assessment, Subscription or Ed-tech environment. Key Responsibilities: Develop and maintain scalable Python services, microservices, voice chat, and data pipelines. Work with the Tech Lead and wider team on architecture, technical decisions, and solution design. Collaborate with product, data science, QA, design, and subject matter experts to deliver new features....

Job Title: Finance-led Technology Project Manager Location: London, UK Salary/Rate: £400 - £460 (Outside IR35) Start Date: Immediate Start Job Type: 6 Month Contract We are seeking an experienced Finance-led Technology Project Manager to lead two high-profile, technology-enabled Finance initiatives for a large professional services organisation. The role will take ownership of a global E-Invoicing project, ensuring statutory inbound and outbound invoicing requirements are delivered across multiple regions within mandatory deadlines. The role will also support a Revenue Life Cycle Technology and Tools programme, delivering solutions designed to help Finance teams improve efficiency, reduce billing costs and optimise billing cycle times. This is a complex, cross-functional delivery role involving Technology, Finance, Tax, regional offices and third-party technology vendors. The successful candidate will bring strong governance, structured planning and the ability to...

CRM Manager (Klaviyo Migration) London | Outside IR35 | £400-425 Day Rate | 6 month contract | Hybrid This is an opportunity to play a leading role in a major CRM and marketing technology transformation. You 'll be responsible for helping deliver the migration from Emarsys to Klaviyo while working across marketing, technology, data, and vendor teams to ensure the programme remains on track and key business objectives are achieved. The Company They are a customer-focused organisation investing heavily in modernising their marketing technology stack. Alongside a CRM platform migration, they are also evolving their broader customer data capabilities, creating a highly visible transformation programme with executive sponsorship. The environment is collaborative, fast-paced, and focused on delivering measurable business outcomes. The Role and Deliverables Lead the CRM workstream for the migration from Emarsys to Klaviyo. Act as the key point of...