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Senior Engineer Microsoft 365
Senior Office 365 Engineer at HCLTech
About HCLTech
HCL is a $13+ billion global technology company, home to over 224,000 people across 60 countries. We deliver industry-leading capabilities in digital, engineering, cloud, and AI, supported by a broad portfolio of technology services and products.
As a globally recognized leader in Tech and IT, we’ve retained the startup drive that fostered our growth. We operate on an idea-first philosophy, believing every achievement—big or small—begins with a spark of innovation.
This drive sets our people apart, empowering us to deliver transformative results while making a meaningful impact on the world. We believe in your spark—the passion that pushes you to grow, excel, and find fulfillment.
HCLTech est un leader mondialement reconnu dans les technologies et l’informatique, mais nous avons conservé l decidió aggressif nos débuts. Grâce à une approche centrée sur les idées, nous croyons que chaque réussite naît de l’étincelle de l’innovation. Cette détermination intellectuelle nous permet d’innover constamment, tout en travaillant à améliorer le monde autour de nous.
Poste requis : Poste à pourvoir : Londres ou client sur site en Angleterre Frais de déplacement liés au poste : Oui Langue vivante requise : Anglais
Conditions de travail :
- 5 jours/semaine
- Présentiel sur le lieu du client
Eligibilité : Candidats doivent être autorisés à travailler au Royaume-Uni.
Job Summary
The Senior Office 365 Engineer will oversee the technical execution and implementation of Microsoft Office 365 services and products. Your role involves:
- Full-cycle management of Office 365, covering Teams, SharePoint Online, OneDrive, and Exchange Online
- Tenant administration with deep expertise in email and cloud services
- Hands-on leadership in designing, implementing, and troubleshooting Microsoft 365 solutions
- Managing major dependencies (integrations, Hybrid environments, Migration)
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Key Responsibilities
Technical Delivery
- Architect, implement, and maintain a highly scalable, secure Microsoft 365 environment
- Design and deploy modern collaborative solutions for office automation and integration
- Ensure seamless integration with hybrid systems (ADFS, Azure AD sync, conditional access, etc.)
- Migrate users, mailboxes, data, and configurations to Office 365 (including legacy systems)
- Monitor and troubleshoot performance issues, infrastructure dependencies, and compliance gaps
- Provide high availability (HA) and disaster recovery for Office 365 services
Identity and Security Management
- Oversee User Management and Lifecycle alignment with corporate policies
- Conduct access reviews and enforce least-privilege security models
- Ensure compliance with Microsoft regulatory standards (GDPR, DMARC, DKIM), security best practices, and Office 365 governance
Collaboration and Microsoft Ecosystem
- Implement and manage Teams, SharePoint Online, and OneDrive for Business, including:
- Sharing policies, metadata management, and dark sites governance
- Customization (Power Platform, workflow automation, SharePoint frameworks)
- Guarantee high usability, adoption, and administrative controls across all Office 365 features
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Media and Migration Support
- Assist internal media services for corporate communications across Office 365
- Participate in migration planning for all Office 365 domains, mailboxes, users, and data
Security, Compliance, and End-User Support
- Survey and define security and hygiene requirements (spam filters, malware protection)
- Embed malware analysis and remediation actions into daily operations
- Support end-users with Office 365 migrations, licensing, and layout transition
Requirements
Technical Expertise & Experience
- 7+ years in Office 365 related roles
- Expert-level knowledge of Microsoft 365 (Exchange email, Teams, Shared drive, Office apps)
- Proven experience with Office 365 migration strategies and best practices
- Hands-on expertise with ADFS, hybrid Exchange environments
- Knowledge of Azure and hybrid identity, including:
- Azure Active Directory Connect (for single-sign-on)
- Defining conditional access policies
Administrative & Compliance
- Deep understanding of Microsoft Compliance and Threat Protection, including:
- SharePoint and Exchange retention policies
- Security reports, and Sentinel and Azure EMS services
- Proficiency in Office 365 PowerShell for provisioning and configuration
Other Qualifications
- ITIL Foundation or Microsoft 365 cloud licensing performance certifications preferred
- Bachelor’s degree in Software Engineering, IT, or a relevant field:
- Equivalent experience may be accepted for candidates without a degree
- Excellent communication skills (to clearly inform on infrastructure developments)
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