Ransford (John) Annan
IT System & Security Engineer
Experience
Volunteer IT & Cybersecurity Team Lead
Farm House Organic
- Led remote IT and cybersecurity operations, including secure device provisioning, app deployment, compliance monitoring, and endpoint security with Microsoft Intune and Defender for Endpoint.
- Managed Identity and Access Management (IAM) with Microsoft Entra ID, including implementing role-based access control, conditional access, VPN configuration, and multi-factor authentication (MFA).
- Maintained and secured Cloud PCs, provided technical remote support, and optimized performance within the Microsoft 365 Business environment.
Endpoint Security Engineer
Novartis Pharma AG
- Installed, configured, and maintained enterprise hardware and software, focusing on MDM solutions using Microsoft Intune, Configuration Manager Toolkit (CMT), and SCCM.
- Administered Microsoft Entra ID (Azure AD) and endpoint protection with Microsoft Defender and Microsoft 365 security tools.
- Analyzed, diagnosed, and efficiently resolved IT issues for on-site and remote clients, focusing on secure and stable system environments.
- Deployed, managed, and supported Azure Virtual Machines to ensure performance, security, and seamless integration in hybrid and multi-cloud environments.
- Installed and configured operating systems and enterprise software on PCs and servers following security standards.
- Conducted cybersecurity training for new employees, focusing on awareness and best practices to prevent security incidents.
- Regularly performed security analyses, audits, and vulnerability scans to identify and address weaknesses in the mobile infrastructure.
- Documented IT incidents and solutions in the ServiceNow ticketing system for continuous process improvement and traceability.
- Trained end users on secure and efficient use of hardware and software.
- Provided IT consulting and solutions for client requirements, considering security, efficiency, and scalability.
- Collaborated with cross-functional IT teams to securely integrate and manage mobile devices within the corporate infrastructure.
Internship
PwC Switzerland
- Completed a cybersecurity job simulation for PwC Digital Intelligence and gained experience in understanding and explaining the concept of integrated defense.
- Developed expertise in integrated defense strategies and their application.
- Conducted risk assessments and formulated network security recommendations for a client.
- Demonstrated knowledge of cybersecurity terminology, network segmentation, and firewall configuration.
- Performed VMware installation and vulnerability scanning using Nessus software.
Mobile Device Management (MDM) Project
MAN Truck & Bus / Porsche AG
- Successfully migrated around 18,500 iOS corporate devices (iPhones & iPads) worldwide from MobileIron to Microsoft Intune for centralized management and security.
- Executed the project in an international environment—remote and partly on-site.
- Supported local and global users during the transition, focusing on minimal downtime and high user satisfaction.
- Responsible for enrollment, policy configuration, troubleshooting, and technical user support throughout the project.
Mobile Device Management Specialist
Cancom ICT GmbH
- Managed and monitored mobile devices (iOS/macOS) and Apple computer systems using Microsoft Intune, MobileIron, and System Center Configuration Manager (SCCM).
- Provided technical remote support and troubleshooting through a central ticketing system (e.g., ServiceNow) for quick issue resolution and requests.
- Installed, configured, and maintained mobile hardware and software, including diagnosing and resolving issues for reported incidents.
- Responsible for delivering cybersecurity training to new employees, focusing on security best practices, safe mobile device use, and awareness measures.
Machine Operation/Service Desk
Rekers Betonwerk GmbH
- Concrete production
- Quality control
- Customer service
- Technical support
Apprenticeship, Industrial Mechanic
HeidelbergCement AG
- Maintaining compliance with industry standards and certifications related to machine operation and safety.
- Identifying opportunities for process optimization and efficiency improvements.
- Collaborating with cross-functional teams to implement improvements and cost-saving measures.
- Keeping accurate records of machine operations, maintenance, and repairs.
- Preparing regular reports on machine performance, training outcomes, and customer support activities.
IT-Helpdesk Support
Barclays Bank Ghana
- Assisting bank customers in resolving technical issues and handling service requests at the 1st-level support.
- Managing and routing requests to the appropriate support teams using a ticketing system.
- Performing password resets, account verifications, and assisting with access issues.
- Ensuring prompt and professional support to improve customer satisfaction and service quality.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Manufacturing (4 years), Pharmaceutical (2 years), Banking and Finance (2 years), Agriculture (1 year), Information Technology (1 year), and Automotive (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (5 years), Production (4 years), Quality Assurance (4 years), Customer Service (3.5 years), and Operations (3 years).
Skills
- Communication Skills
- Customer Service
- Ability To Multitask
- Time Management
- Teamwork And Collaboration
- Creativity And Flexibility
- Technical Support
- Software Installation
- Azure Active Directory
- Aad Connect
- Sso (Single Sign-on)
- Mfa (Multi-factor Authentication)
- Adfs
- Microsoft Sccm And Intune
- Vulnerability Scanning (Nessus, Openvas)
- Basic Knowledge Of Penetration Testing
- Vpns And Proxies
- Mdm In Microsoft Intune
- Citrix Workspace
- Cloud Services (Azure)
- Familiar With Itil Concepts
- Microsoft 365 Support
Languages
Education
BSZ Vocational School
Industrial Mechanic · Wiesau, Germany
University of Cape Coast
Bachelor of Science, Information Technology · Information Technology · Cape Coast, Ghana
Certifications & licenses
IT Security Manager (Further Training)
International University of Applied Sciences, Erfurt, DE
CompTIA Security+ CE
Cybersecurity With Mobile Device Management (MDM)- Alison e-Center
Google Cybersecurity Professional Certificate- Google
Microsoft 365 Certified: Endpoint Administrator Associate (MD-102)
Microsoft Azure Fundamentals (AZ-900 Certification)
Microsoft Security, Compliance And Identity (SC-900)
Security Operations Center (SOC)- CISCO
Software Testing And Validation- University Of Leeds UK
Profile
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