Rodel Mariñas
Manama,Bahrain
Summary
Accomplished IT professional with expertise in network infrastructure setup, server administration, and cloud computing. Proven track record in enhancing network security and managing firewalls to safeguard organisational data. Skilled in email security, Microsoft Exchange, and SharePoint Online, with a strong ability to implement Power Apps for business solutions. Adept at deploying virtualisation technologies and unified communications systems. Experienced in SAN/NAS storage management and proficient with Opera PMS and Micros POS systems. Committed to leveraging technical skills to drive innovation and efficiency within dynamic IT environments.
Overview
1
1
Certification
3
3
years of post-secondary education
21
21
years of professional experience
Work history
Group IT Manager
Sevens Holding WLL (Resorts and Hotels)
Royal Saray Resort, Bahrain
2022.04 - Current
- Managed over 9 properties including Royal Saray Resort
- Developed and managed servers, network, and system security; planned department budget; maintained accurate documentation including resource time tracking and network design documents.
- Ensure smooth daily operations of IT related system in all Properties
- Perform regular system health checks and capacity studies to ensure optimum performance of servers and network
- Develop and implement IT policies and procedures to ensure security and integrity of data.
- Assist end users on any IT related
- Coordinated with external vendors for procurement of necessary hardware and software.
- Collaborated with senior management to align IT strategy with organizational goals.
- Monitored performance of IT systems regularly to identify areas of improvement.
- Implement Opera and migration of FMC and Sunsystem to latest version.
- Plan and implement new IT Systems for new Restaurants and Clubs with smooth opening.
- Implemented new HR/Payroll system.
- Implement CRM system
Group IT Manager
Aradous Contracting and Maintenance Company
Hidd, Bahrain
2021.02 - 2022.04
- Managed systems and network infrastructure across head office and project sites daily.
- Administered Azure cloud services alongside on-premises infrastructure management tasks.
- Aligned IT infrastructure with current and upcoming business requirements.
- Planned and implemented initial IT infrastructure for new client site offices.
- Implemented network data, storage, and communications security controls.
- Reconfigured SonicWall firewall features and upgraded AV servers for tighter security.
- Implemented network and Windows Server backups with failover procedures.
- Evaluated risk to shape network recovery and backup processes.
- Monitored IT system performance and recommended infrastructure improvements.
- Created new network infrastructure and local domain, migrating users accordingly.
- Managed technical support staff to deliver consistent customer service.
Network and System Engineer (Consultant)
Bahrain Information Security (B-InfoSec WLL)
Zinj, Bahrain
2019.02 - 2021.02
- Supported configuration and upgrades for corporate customer networks and in-house servers.
- Implemented and supported firewalls and network security products to protect client systems.
- Implemented data backups and disaster recovery systems to minimise downtime and maintain availability.
- Implemented email security for on-premises and hosted environments.
- Analysed client IT infrastructure requirements and developed tailored proposals.
- Configured routers, switches and firewalls to deploy and support LAN, WAN and wireless networks.
- Kept software patched and secure to prevent data loss and unauthorised network access.
Network and System Administrator
Universal Metal Coating Company Limited
Jubail, Saudi Arabia
2013.11 - 2019.01
- Administered firewalls, routers, access points, switches, and other network devices to ensure optimal network performance.
- Secures network by developing network access, monitoring, control, and evaluation; maintaining documentation.
- Managed DNS, DHCP servers, Active Directory, file servers, and backups to maintain system integrity and availability.
- Managing Hyper-V servers and Microsoft Azure Infrastructure management
- Managing Panasonic PBX Telephone and CCTV system
- Full support for any IT related requirements for NCSI organization
- Full support for any IT related requirements for ISLC company
- Delivered key project milestones by coordinating and executing network upgrades and implementations.
- Migration of new Extreme core switches and end switches of HO and branch with minimum downtime.
- Plan and implement CCTV system.
- Migration of new Firewall Dell SonicWall with High Availability
- Implement IT infrastructure of NCSI organization (ncsi.org.sa)
- Implement IT infrastructure of ISLC company (islc.com.sa)
IT Administrator
ENLIN Steel Philippines Inc.
CEPZA, Cavite, Philippines
2010.11 - 2013.11
- Maintain independent IT infrastructure; Head Office and branches total 100+ PC end users.
- Developed and implemented IT target plans and procedures, enhancing system reliability through repairs, maintenance, and backup schedules.
- Configure PBX system, assigning local lines and calls. Local line and PLDT Direct lines troubleshooting.
- Manage Local mail server and Google mail accounts and configuration into mail applications.
- Updated computer hardware, software, and user inventory lists, ensuring accurate monitoring and management of IT resources.
- Installed fibre optic connections between Head Office and branches, integrating existing wireless bridge as failover and configuring site-to-site VPN for secure connectivity.
- Replace existing IT infrastructure with new network design and servers (AD, DNS, DHCP, File server, Print server and Website)
Technical Support Staff
House Research & Development (S) Pte. Ltd.
CEPZA Cavite, Philippines
2005.11 - 2010.11
- Resolved network and PC issues for 3,000 end users promptly daily.
- Installed requested software and applications for PC users as needed.
- Set up new workstations and devices for ready user productivity integration.
- Reviewed network configurations and updated layout for new device additions.
- Created procedural documentation and reports to support knowledge sharing and operations.
- Provided support, enhanced client satisfaction.
Education
Bachelor of Science - Computer Engineering
Patria Sable Corpus College
Santiago City, Isabela 2021.11 - 2023.03
Diploma of Higher Education - Information technology
Patria Sable Corpus College
Santiago City, Isabela 2023.06 - 2025.03
Skills
- Network infrastructure setup
- Server administration
- Cloud computing
- Network Security
- Firewall management
- Email Security
- Microsoft Exchange
- SharePoint online
- Power Apps
- Virtualization
- Surveillance Solutions
- Unified Communications
- SAN/NAS Storage
- Opera PMS
- Micros POS Systems
Certification
- SonicWALL Network Security Administrator, Certification No.: 86c2779f78bf4bfe579fb4300eac244d7
- SonicWALL Sales Engineer, Certification No.: 3afc01ed46ce9aad869fd6006770b463
- SonicWALL Support Engineer, Certification No.: ca45d78a6c5531253dd05eda1d5524cb
- Extreme Certified Network Associate, Certification No.: a173400000CPfFsAAL
- CISCO - Routers and Routing Technologies, Certification No.: 27P85158,
- Certified Fiber Optic Technician, Certification No.: 7280275
Timeline
Diploma of Higher Education - Information technology
Patria Sable Corpus College
2023.06 - 2025.03
Group IT Manager
Sevens Holding WLL (Resorts and Hotels)
2022.04 - Current
Bachelor of Science - Computer Engineering
Patria Sable Corpus College
2021.11 - 2023.03
Group IT Manager
Aradous Contracting and Maintenance Company
2021.02 - 2022.04
Network and System Engineer (Consultant)
Bahrain Information Security (B-InfoSec WLL)
2019.02 - 2021.02
Network and System Administrator
Universal Metal Coating Company Limited
2013.11 - 2019.01
IT Administrator
ENLIN Steel Philippines Inc.
2010.11 - 2013.11
Technical Support Staff
House Research & Development (S) Pte. Ltd.
2005.11 - 2010.11