Reynald Ferrera

Systems Engineer with extensive IT experience in infrastructure, servers, networking, security, storage, and enterprise IT operations. Strong hands-on expertise in Windows and Linux server administration, Microsoft 365, virtualization, firewall management, storage/backup systems, and AS400 / IBM i (IBMi) support. Proven ability to manage IT environments for HQ and overseas offices, handle vendor coordination, and ensure reliable support for business-critical systems.

Systems Engineer at World Scientific Publishing Pte Ltd (2022-06 – Present)

• Manage IT infrastructure for HQ and overseas offices, including servers, networks, and security
• Maintain firewalls, routers, switches, Wi-Fi, and building network connectivity
• Administer Windows and Linux servers, ensuring availability, performance, and security
• Manage storage systems, NAS, and backup operations for local and remote servers
• Act as primary technical contact for AS400 / IBM i (IBMi) systems and vendor coordination
• Troubleshoot and restore user access to AS400, Profiler, Qlik, FTP, and file servers
• Administer Microsoft 365 (users, access, licensing, Teams, and mail services)
• Prepare and deliver ONIX metadata feeds to external partners via FTP
• Provide AV and event technical support, including after-hours or weekend support when required
• Liaise with vendors for IT procurement, renewals, ISP services, and maintenance contracts
• Provide guidance and supervision to junior IT staff, including the IT Executive

IT Administrator at Singapore G Pte Ltd (2012-02-01 – 2022-05-31)

• Designed, administered, and supported LAN/WAN networks, servers, and firewalls
• Managed Active Directory users, permissions, and departmental access control
• Installed, configured, and maintained Windows servers, desktops, and enterprise software
• Administered VMware ESXi and multiple virtual machines
• Managed the company's on-premises web server, hosting multiple domains
• Supported IP-PBX, IP phones, mobile devices, and video conferencing systems
• Led IT procurement, budgeting, and coordination with vendors and service providers
• Installed and maintained CCTV and building security systems
• Provided AV, event, and multimedia support
• Delivered basic web and graphic design support for marketing initiatives

Exhibition Designer at Sonam Yang Associates LLP (2010-10 – 2012-01)

• Created visual and technical solutions for exhibitions and events
• Managed event IT systems such as registration, SMS voting, and electronic raffles
• Set up and supported AV systems, sound, lighting, stage, and projection equipment
• Coordinated with designers, vendors, and event partners

IT Technical Support at Del Rosario Group of Companies (McDonald's, Kodak Express, Hotel Veniz, & Supermart) (2004-11-16 – 2010-08-25)

• Provided IT support across multiple business units and sites
• Installed and maintained CCTV security systems for McDonald's outlets
• Performed PC assembly, upgrades, troubleshooting, cabling, and networking
• Maintained and updated company websites

Graphic Artist/Technical Support at Computer Store, Inc. (2003-04 – 2004-07)

• Designed marketing materials (banners, brochures, posters)
• Assembled and supported desktop systems
• Set up and troubleshot local and wide-area networks

Bachelor of Science in Computer Science