M365 Technical Architect

Reference: 168600_1782483311

Microsoft 365 Technical Architect

📍 Dublin (Hybrid)
📅 12-Month Contract | Strong Likelihood of Extension

We're working with a large enterprise client that is looking to hire an experienced Microsoft 365 Technical Architect to join a major workplace transformation programme.

This is an architecture role where you'll take ownership of the design and delivery of enterprise Microsoft 365 solutions, leading large-scale tenant migrations while ensuring security, governance and compliance across a complex environment.

Responsibilities

  • Design end-to-end Microsoft 365 architecture across Exchange Online, Teams, SharePoint Online and OneDrive.
  • Develop target-state architecture, migration strategies and implementation roadmaps.
  • Lead enterprise tenant-to-tenant migrations and divestiture activities.
  • Deliver Day 1 / Day 2 readiness and TSA exit workstreams.
  • Collaborate with Infrastructure, Security, IAM and business stakeholders.
  • Provide architectural guidance and technical leadership throughout project delivery.
  • Ensure alignment with enterprise cloud, security and governance standards.

Required Experience

You'll ideally have:

  • 10+ years working within Microsoft Infrastructure and Microsoft 365.
  • Strong architecture experience across:
    • Exchange Online
    • Microsoft Teams
    • SharePoint Online
    • OneDrive
    • Microsoft Entra ID (Azure AD)
  • Strong understanding of:
    • Hybrid Identity
    • SSO
    • Microsoft Security & Compliance (DLP, Retention, eDiscovery)
  • Proven experience delivering enterprise M365 migration programmes.
  • Experience with PowerShell automation.
  • Excellent stakeholder management and communication skills.

Desirable:

  • Tenant-to-Tenant migration experience
  • Zero Trust architecture
  • Azure/AWS/GCP exposure
  • Microsoft certifications (M365 Enterprise Administrator / Azure Solutions Architect).

What's on Offer

  • 12-month contract
  • Strong chance of extension
  • High-profile enterprise transformation programme
  • Immediate start
  • Competitive daily rate

If you're an experienced Microsoft 365 Technical Architect looking for your next contract in Dublin, please apply.

GCS is acting as an Employment Business in relation to this vacancy.

€650.00 - €700.00
Per day
EUR650 - EUR700 per day
Added 26/06/2026
Reference: 168600_1782483311

Other similar jobs

Salesforce Technical Architect

Added 10/09/2026

Are you a motivated Salesforce Technical Architect who is passionate about Cloud and application architecture? Do you have expert knowledge of Salesforce products and are you looking to get involved at the onset of a new platform and have the chance to really make an impact? Note: This role is based out in Livingston, Leeds OR London (2days/week in office) What you'll do: Partner with product owners and solutions architecture to deliver tailored solutions across the Salesforce Ecosystem to support and realise business requirements. (Sales, Service, Communications, Experience and Marketing Clouds) Drive adoption of best practices and support a community...

Learn more

Salesforce Technical Architect

Added 06/08/2026

Are you a motivated Salesforce Solutions Architect who is passionate about Cloud and application architecture? Do you have expert knowledge of Salesforce products and are you looking to get involved at the onset of a new platform and have the chance to really make an impact? Note: This role is based out in Livingston OR London (2days/week in office) What you'll do: Partner with product owners and solutions architecture to deliver tailored solutions across the Salesforce Ecosystem to support and realise business requirements. (Sales, Service, Communications, Experience and Marketing Clouds) Drive adoption of best practices and support a community of...

Learn more

Technical Project Manager - API Integration (Outside ir35)

Added 30/09/2026

My utilities client are looking for a Technical Project Manager to join their team on an initial 3 month contract role This role will require you to be on site 2 days a week in their offices in SurreyThe role is focused on delivering API and integration projects, working with multiple third parties to drive delivery plans, governance, service management, and Agile/SAFe practices.It's a great opportunity to join a large-scale transformation programme with significant stakeholder exposure.Industry experience in utitilies would be an added bonus As this is an urgent fill please do also feel free to contact me directly on...

Learn more

Senior Technical Application Engineer

Added 25/09/2026

Senior Technical Application EngineerWe're looking for an experienced Technical Application Engineer to help design, develop, and support enterprise-level application solutions.You'll work at the intersection of business needs and technology, partnering with customers, business analysts, developers, QA teams, and other technical stakeholders to turn requirements into working solutions.What you'll own:🔹 Requirements analysis and solution design🔹 Application development and coding🔹 Testing and quality assurance🔹 Implementation and production support🔹 Application maintenance and enhancements🔹 Integration and performance considerations🔹 Component and data architecture🔹 Technical product evaluation🔹 Build-vs-buy analysis🔹 Recommendations around new development and code reuseThe right person will have a strong understanding of the full...

Learn more

Technical Security Assurance Manager

Added 24/09/2026

Technical Assurance Manager (Cyber Security)Contract: 6 Months Location: London (1 day per week onsite / flexible) Day Rate: Competitive Start: ASAPWe're supporting a large, international enterprise in the search for an experienced Technical Assurance Manager to lead a cyber assurance and control effectiveness programme across a complex global environment.This is a senior second-line cyber security position, responsible for independently assessing the effectiveness of security controls, driving assurance activity, overseeing technical reviews, and providing risk-based insight to senior stakeholders. The successful contractor will lead a small team while acting as a trusted adviser across cyber security, technology, audit and risk functions.The...

Learn more

Senior Technical Program Manager - Connected Living

Added 11/09/2026

Senior Technical Program Manager - Connected LivingWe are seeking a highly experienced Technical Program Manager to lead strategic, enterprise-wide technology initiatives within a Connected Living Engineering organization.This role will support the next phase of Commercial Business integration with the Connected Living Platform and will serve as a key program leader responsible for coordinating multiple projects, teams, and stakeholders toward shared business and technology objectives.The right candidate will be comfortable operating in a complex enterprise environment and partnering directly with senior IT and business leadership.Key ResponsibilitiesProvide strategic program leadership for complex enterprise technology initiativesDevelop program strategy, business cases, roadmaps, and integrated...

Learn more

Senior Technical Program Manager

Added 11/09/2026

Senior Technical Program ManagerDo you enjoy taking complex technology initiatives and turning them into clear, executable plans?We're looking for a Senior Technical Program Manager to support a major initiative within a Connected Living Engineering organization. This person will help lead the next phase of Commercial Business integration with a Connected Living Platform and will work across engineering, IT, business teams, Project Managers, and senior leadership.This is a great fit for someone who can see the big picture while still keeping the details, dependencies, timelines, and teams moving forward.In This Role, You Will:Own the strategy and execution of complex enterprise IT...

Learn more

Technical Program Manager - Technology Integration & Transformation

Added 11/09/2026

Technical Program Manager - Technology Integration & TransformationWe're seeking a senior Technical Program Manager to help drive a critical technology integration initiative within a Connected Living Engineering organization.The team is working on the next phase of Commercial Business integration with a Connected Living Platform, creating an opportunity for a program leader who enjoys working through complex technology, organizational, and business challenges.This is a highly visible role requiring someone who can connect the dots across multiple projects, technical teams, business stakeholders, and senior leadership.ResponsibilitiesLead large-scale technology programs from strategy through executionDevelop program roadmaps, business cases, milestones, and integrated delivery plansCoordinate multiple...

Learn more

Technical Program Manager - Enterprise IT Programs

Added 11/09/2026

Technical Program Manager - Enterprise IT ProgramsWe're looking for an experienced Technical Program Manager to join an engineering organization supporting a major next phase of Commercial Business integration with a Connected Living Platform.This role will lead complex, enterprise-wide technology programs involving multiple projects, teams, and stakeholders. The ideal candidate is comfortable operating at both the strategic and execution levels - developing program plans, managing dependencies, working with senior leadership, and ensuring projects stay aligned to business objectives.What You'll DoLead one or more highly complex, enterprise-wide IT programs consisting of multiple projectsDevelop program strategy, business cases, roadmaps, and high-level project plansCoordinate...

Learn more

IAM Technical Lead

Added 09/09/2026

IAM Technical Lead (Identity Transformation)We're supporting a major financial services organisation undertaking a large-scale Identity & Access Management (IAM) transformation programme and are seeking an experienced IAM Technical Lead to drive architecture, design and delivery across a modern identity landscape.This is a highly visible role focused on shaping next-generation identity capabilities across workforce, privileged, machine and emerging non-human identities within a complex enterprise environment.Key ResponsibilitiesOwn the technical solution and architecture for IAM workstreamsProduce and maintain High Level Designs (HLDs) and Low Level Designs (LLDs)Lead technical decision-making and solution design activitiesDrive Zero Trust and Identity-First architecture principlesDefine security, scalability, resilience and...

Learn more

Technical Project Manager - Digital Experience

Added 04/09/2026

Technical Project Manager - Digital ExperienceLocation: Philadelphia, PA | HybridWe are seeking an experienced Technical Project Manager to support the planning and delivery of large-scale digital initiatives. This individual will work across business, product, UX, design, development, and technology teams to coordinate projects, manage requirements, and ensure key deliverables are successfully delivered.This role will support the development and launch of new digital capabilities and customer experiences for a major telecommunications organization. The ideal candidate will be comfortable managing complex projects, working with cross-functional stakeholders, and helping transform business objectives into actionable plans and deliverables.What You'll DoManage projects and workstreams from...

Learn more

Technical Project Manager - UX & Digital Experience

Added 04/09/2026

Technical Project Manager - UX & Digital Experience We are seeking an experienced Technical Project Manager to support the creation and launch of a new end-to-end digital experience for Comcast Business Mobile customers.This individual will play a key role in leading the strategy, planning, requirements, and delivery of digital capabilities for a new customer portal. The role will also support the implementation of Comcast Business's partnership with T-Mobile and the integration efforts associated with its MVNO environment.The ideal candidate is a strong cross-functional project leader with experience managing complex digital initiatives, working closely with UX, Design, Development, and business stakeholders....

Learn more

Technical Business Analyst (SC Cleared)

Added 02/09/2026

ROLE PURPOSEBusiness Analysts are responsible for eliciting, analysing, and documenting business requirements for the PMP programme, ensuring solutions address operational needs and deliver measurable improvements. PRINCIPAL ACCOUNTABILITIESEngage with operational and enabling stakeholders to gather, analyse and clarify business requirements.Translate business needs into clear, structured artefacts including process maps, user stories and functional specifications.Ensure requirements are documented accurately, clearly and to agreed PMP standards.Support testing and acceptance activities by validating delivered solutions against approved business requirements.Assist with User Acceptance Testing (UAT), clarifying acceptance criteria and supporting issue resolution.Maintain traceability between requirements, delivered solutions and expected benefits.Support assurance and governance activity by...

Learn more

IAM Technical Lead

Added 14/08/2026

Role Title: IAM Technical LeadLocation: Sheffield (Hybrid - up to 3 days per week onsite)Role Category: Inside IR35 OverviewWe're recruiting for an experienced Technical Lead to join the Identity & Access Management team of a leading global financial services organisation.This role offers the opportunity to play a key role in a major Next Generation IAM transformation programme, providing technical leadership across the design and delivery of secure, scalable and enterprise-grade identity services. ResponsibilitiesOwn the technical solution and architecture for the IAM workstream.Define and maintain High Level Designs (HLDs) and Low Level Designs (LLDs).Lead technical decision-making and technology selection.Drive adoption of...

Learn more

Technical Account Manager

Added 10/08/2026

We are seeking an experienced Technical Account Manager to act as the primary relationship owner for a portfolio of clients. This is a client-facing role that combines relationship management, technical understanding, and strategic planning.Key ResponsibilitiesAct as the primary contact for senior management and key stakeholders within client organisations. Build trusted relationships and develop a strong understanding of each client's business, technology environment, and future plans. Lead regular client review meetings and ensure actions, risks, and recommendations are documented and delivered. Identify technical risks, recurring service issues, lifecycle concerns, and improvement opportunities. Work closely with Service Desk, Professional Services, and technical...

Learn more
At least 8 characters, 1 uppercase, 1 lowercase and 1 special character or number
Your file must be a doc, docx or pdf. No larger than 5MB.