Mohammed Shareef
Microsoft 365 and Cloud Infrastructure Engineer
About
Microsoft 365 and Cloud Infrastructure Engineer with 10+ years of enterprise IT support, systems administration and technical operations experience. Skilled in supporting Microsoft 365 environments, Windows infrastructure, Active Directory, Microsoft Entra ID, cloud platforms and enterprise users. Experienced delivering 1st, 2nd and 3rd line technical support, troubleshooting complex infrastructure issues, managing incidents, improving service delivery and supporting business-critical environments.
Strong background across Microsoft technologies, AWS cloud infrastructure, networking, VPN connectivity, endpoint support and security-focused operations. Proven ability to build strong relationships with clients, stakeholders and technical teams while delivering reliable IT services. Experienced creating technical documentation, improving processes and supporting continuous improvement within SLA-driven environments.
Experience
Platform Operations Engineer - AS-Tech | Ericsson / Red Bee Media - London
(2018-01)
Provide enterprise IT operations and technical support for highly available cloud and infrastructure platforms supporting major UK organisations including BBC, Channel 4, UKTV and Channel 5.
- Deliver 2nd and 3rd line technical support across cloud infrastructure, operating systems, networking and business-critical applications.
- Troubleshoot infrastructure, connectivity, application and user-impacting incidents within SLA requirements.
- Support AWS cloud environments including EC2, IAM, VPC, S3, CloudWatch and VPN connectivity.
- Perform Linux and Windows administration including system troubleshooting, configuration changes and maintenance activities.
- Monitor infrastructure performance and investigate alerts using CloudWatch and Nagios.
- Diagnose networking issues involving DNS, DHCP, VPN connectivity and service communication failures.
- Support access management and identity-related issues across enterprise environments.
- Work with engineering teams, vendors and business stakeholders to resolve technical issues.
- Manage incidents through ticketing systems, prioritising issues based on business impact.
- Create and maintain technical documentation, operational procedures and troubleshooting guides.
- Participate in 24/7 support rota supporting critical production services.
- Maintained high availability for enterprise platforms supporting major UK broadcasters.
- Successfully resolved critical incidents in high-pressure production environments.
- Improved service reliability through proactive monitoring, incident analysis and preventative actions.
- Supported hybrid cloud environments combining AWS and on-premises infrastructure.
IT Technician - Reigate Sixth Form College
(2016-01 - 2018-12)
Provided 1st and 2nd line IT support across a Microsoft-based enterprise environment supporting over 4,000 users.
- Provided technical support for Microsoft 365, Windows desktops, laptops and enterprise applications.
- Administered Active Directory, Microsoft Entra ID, Group Policy and user permissions.
- Supported Microsoft 365 user administration including account setup, access management and troubleshooting.
- Managed hardware, software, endpoint and mobile device issues.
- Troubleshot DNS, DHCP, authentication and network connectivity problems.
- Assisted with Windows Server administration and infrastructure maintenance.
- Supported security and access control processes.
- Created technical documentation and user support guides.
- Delivered excellent customer service to staff and students.
Help Desk Support Engineer - Tariq IT Consultant
(2015-01 - 2016-12)
Provided technical support services for business customers across Microsoft environments.
- Delivered 1st and 2nd line support through helpdesk processes.
- Resolved Windows, Active Directory, hardware, software and networking issues.
- Supported user accounts, permissions and access requests.
- Diagnosed connectivity and infrastructure problems.
- Managed incidents from initial logging through to resolution.
- Assisted with customer infrastructure upgrades and deployments.
Education
MSc - Bioinformatics & Immunology