SME - Collaboration/M365 Specialist

Job title: SME - Collaboration / M365 Specialist

Job location: Hybrid/On-site—On-call support for Crawley & Croydon DC

Client expectation from the role:

The ideal candidate should clearly demonstrate the following skill set:

• M365 Administration
• In-depth knowledge of M365 tools
• Exchange Administration (optional)
• Security and Compliance
• Azure AD Management
• Intune Configuration
• PowerShell/Graph scripting

Role Overview

We are seeking a skilled and experienced end-user service specialist to be part of our team delivering IT infrastructure support to Client, a leading audit, tax, and consulting firm. This role supports the client's National Technology team, a dynamic internal service function responsible for deploying and managing critical technology solutions that drive business operations and strategic growth.

As part of the collaboration tech ops team, the end-user specialist will focus on ensuring the performance, security, and availability of hybrid cloud systems and data center services. The role includes implementing new technologies, maintaining infrastructure components, and ensuring systems remain aligned with the client's IT security and business objectives.

Key Responsibilities

• It is essential for the staff to have a clear and crisp understanding of RSM's business, culture, and technology landscape.
• Manage and optimize Microsoft 365 and Azure environments, focusing on automation, Azure AD, SSO, and ADFS integration. Ensure seamless identity management and secure access across cloud platforms.
• Exchange & Office 365:
  Administer Microsoft Exchange (2010/2013/2016/2019) and Office 365, ensuring their optimal performance and reliability.
• Email Gateways & Load Balancers:
  Manage email gateways (IronPort, Proofpoint, EOP) and Exchange load balancers (NLB, WNLB, Clustering).
• Mail Flow & Message Tracking:
  Manage SPF, DKIM, DAG, and patch management, and troubleshoot message flow.
• Disaster Recovery (DR):
  Collaborate on DR planning and document architecture and failover strategies.
• UCC Services:
  Manage Microsoft Teams, OneDrive, SharePoint, and other collaboration services.
• End-User Support:
  Offer support for Outlook, Teams, OneDrive, BOX sync, and email archiving.
• PowerShell:
  Utilize PowerShell for automation and system troubleshooting across the UCC infrastructure.
• DC On-call support:
  Ability to reach either the Crawley or Croydon data center within 45 minutes to address any high-priority issues or any urgent critical IT requirements. Provide 24/7 on-call support (On a rotation basis) for data center operations. On-Call & Overtime pay is applicable to meet the Business & IT needs of the client.

Required Skills

• Proven, hands-on experience in M365, Azure, and Automation initiatives, ensuring seamless integration across multi-tenant environments. Leads identity management solutions, overseeing Azure SSO, ADFS, and Active Directory (AD) configurations to strengthen security and access controls.
• Manages distribution lists (DLs), multi-tenant synchronization, and identity lifecycle processes to facilitate seamless collaboration and security across hybrid environments. Implements automation frameworks using PowerShell and cloud-native tools to enhance infrastructure provisioning and operational efficiency.
• Leads technical troubleshooting, providing rapid problem-solving expertise in VPN/remote connectivity, DirectAccess, and secure authentication protocols. Ensures resilient network access solutions while maintaining compliance with industry standards.
• Active Directory & Group Policy:
  Strong understanding and management of Active Directory and Group Policy.
• Systems Management Tools:
  Experience with MECM (SCCM), WSUS, and Intune for endpoint management.
• VPN/Remote Connectivity:
  Knowledge of Direct Access or other VPN systems.
• SSO & ADFS:
  Expertise in configuring ADFS and SSO systems for seamless authentication.
• Messaging & UCC: Hands-on experience with Microsoft Exchange, Office 365, Microsoft Teams, SharePoint, and OneDrive.
• PowerShell:
  Advanced scripting skills to automate tasks and optimize systems.
• DC On-call support:
  Ability to reach either the Crawley or Croydon data center within 45 minutes to address any high-priority issues or any urgent critical IT requirements. Provide 24/7 on-call support (On a rotation basis) for data center operations. On-Call & Overtime pay is applicable to meet the Business & IT needs of the client.

Desired skills are an added advantage:

• Should possess & demonstrate working knowledge of the client's Business applications & IT portfolio, and should have understanding of SCSM ticketing tool
• Understanding of Agile or hybrid delivery models.
• Familiarity with ITIL-based service operations and change management processes.
• Experience with project management, stakeholder engagement, or vendor oversight.