IT Infrastructure Engineer (Microsoft 365 Collaboration)

Activate Interactive Pte Ltd (“Activate”) is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency. We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realize their full potential, who in turn have the opportunity to continuously drive innovation. We are searching for our next team members to join our growing team. If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people’s lives, then we would love to hear from you. We are seeking highly skilled and innovative engineer to join our transformative SSOE Programme that manages more than 350 schools across Singapore. This is an exceptional opportunity to shape the future of educational technology infrastructure and enhance the learning experience of more than 450,000 students and 35,000 education professionals. As a Senior / IT Infra Engineer focusing on Collaboration Tools, you will oversee the development and management of large-scale productivity solutions from initial conceptualization and design to post-production monitoring. You will be the primary architect for our collaboration platforms, managing a blended enterprise environment with a heavy specialization in the Microsoft 365 cloud ecosystem and Google Workspace. Your mission is to ensure optimal performance, security, and seamless collaboration across the organization by expertly managing SharePoint Online, Microsoft Teams, and OneDrive for Business. What will you do? Technical Execution & Engineering • Deep M365 Administration: Develop, deploy, and manage the M365 and Google Workspace collaboration suite, diving deep into SharePoint Online (site architecture, intranet solutions, document management), Microsoft Teams (governance policies, channel management, voice/video integration), and OneDrive for Business (storage allocation, synchronization troubleshooting, data lifecycle). • Migration & Modernization: Plan and lead large-scale infrastructure transformation efforts, specifically executing migrations from on-premises SharePoint to SharePoint Online. This includes seamlessly migrating complex SharePoint file collaboration sites and custom applications to the cloud while ensuring minimal business disruption and strong user adoption. • Service Monitoring & Support: Continuously monitor the health, performance, and usage of M365 and Google Workspace services, providing advanced technical support for complex M365-related issues and proactively optimizing configurations. • Data Security & Compliance: Implement robust security measures across all collaboration platforms using Identity Management (Active Directory, Entra AD) and security products (Intune, Defender, Purview) to ensure shared data complies with cyber and data security standards. • Cross-Platform Integration: Administer and integrate secondary enterprise productivity platforms ensuring seamless interoperability with the primary Microsoft backend services. • Automation: Engineer for scalability by building reusable automation and utilizing PowerShell scripting and related tools like PowerBI, Dynatrace and Axonius to monitor service health and reporting to derive insights. • Scripting & API: Use PowerShell, Bash, and Python to automate repetitive tasks and interact with the Microsoft Graph API for custom reporting. • End-User Enablement: Create comprehensive documentation, self-service guides, and conduct training sessions for end-users to drive the effective adoption of collaboration tools. General Responsibilities • Engage stakeholders to translate business requirement into design and services to meet the intended availability, capacity, resiliency, security and continuity requirements. • Forecast budget needed to support the project initiatives and maintenance contracts. • Ensure MOE’s related Technical Architecture are in compliance with IM8 and Agency’s IT Policies and Standards. • Manage day-to-day delivery and support of application infrastructure services and collaborate with other government agencies and central services teams to facilitate and deliver government-wide services. Leadership & Strategic Alignment • End-to-End Delivery: Lead the deployment and service design for large-scale rollouts of new collaboration features and productivity software. • Policy Development: Develop organization policies, governance standards, and standard operating procedures for M365 tools, collaborating with security teams to meet regulatory needs. • Project Ownership: Take full ownership of broad, ambiguously-scoped rollouts, ensuring successful outcomes, proactive risk mitigation, and seamless change management for end-users. • Mentorship & Improvement: Mentor junior team members, synthesize usage data into clear recommendations for leadership, and constructively challenge existing processes to drive continuous improvement RequirementsWhat are we looking for? • Collaboration & Migration Mastery: At least 3 years of proven experience in the development and management of the Google Workspace and M365 ecosystem, with deep technical expertise in SharePoint Online (including hands-on experience with on premises to cloud migrations), Teams, OneDrive, and Exchange Online. • Security & Identity Knowledge: Strong technical background in Identity Management (Active Directory, Entra AD) and endpoint security products (Intune, Defender, Purview). • Automation-First Mindset: Advanced proficiency in optimizing and automating cross platform workflows using PowerShell scripting and MS Graph API. • Analytical Rigor: Strong problem-solving skills, with the ability to conceptualize the operations of new productivity initiatives and act as a liaison between internal security/operations teams and external product principals. • Communication Skills: Excellent written and verbal communication skills, capable of presenting effectively to non-technical audiences and creating comprehensive end-user documentation. • Preferred Certifications: Microsoft 365 Certified: Enterprise Administrator Expert, Microsoft 365 Certified: Endpoint Administrator Associate, or ITIL certification. • Proactive and dedicated individual with good leadership and multi-tasking capabilities as well as the ability to work independently without the need for close supervision. • Experienced in contract and vendor management. • Good communication skills, both oral and written, with the ability to pitch ideas and communicate effectively with stakeholders. • Team player with strong organization and people handling skills BenefitsWhat do we offer in return? • Fun working environment • Employee Wellness Program • To work in Singapore Government Agencies projects • We provide structured development framework and growth opportunities. (We are a “SHRI 2025 Gold winner” in “Learning & Development; Coaching & Mentoring”) Why you'll love working with us? If you are looking for opportunities to collaborate with leading industry experts and be surrounded by highly motivated and talented peers, we welcome you to join us. We provide all employees with equal opportunities to grow and develop with us. We believe your success is our success. Does it sound like something you are interested in exploring further? Please be in touch with our team for an initial chat at  Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, color, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law. Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd. Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes. Please consult our Privacy Notice (https://www.activate.sg/privacy-policy) to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.