AbduAlrhman Alshabibi
Muscat
Summary
I am an experienced IT specialist with a proven track record in managing infrastructure and security initiatives aligned with organizational goals. I am skilled in Microsoft Admin, Exchange, SharePoint, ERP configuration, and network switches, as well as firewall administration and network security management. I have hands-on experience across all phases of IT operations—planning, implementation, troubleshooting, and optimization.
I have also developed open-source tools and created web applications to support troubleshooting and issue resolution, improving efficiency and usability across IT environments. I excel at collaborating with teams to streamline IT operations while ensuring strict compliance with cybersecurity protocols, and I am adept at supporting employees with issues across computer systems, mobile devices, and peripheral equipment.
I am comfortable working independently to investigate and resolve complex technical problems with precision. I bring strong communication, problem-solving, and adaptability skills that ensure seamless security operations and robust system protection. I am a diligent professional, ready to contribute to a new position that involves troubleshooting, issue resolution, and infrastructure improvement in the IT environment.
Overview
6
6
years of professional experience
Work History
IT Specialist
Marsa Al Duqm Investment LLC
Alduqm
11.2025 - Current
- Configured and managed SharePoint sites, libraries, lists, content types, and columns.
- Worked closely with IT staff members responsible for maintaining hardware infrastructure supporting the SharePoint environment.
- Implemented security roles and privileges within Microsoft Dynamics 365 environment according to organizational needs.
- Configured and maintained routers, switches, firewalls, wireless networks and other network devices.
- Developed an open-source application to help with troubleshooting and maintaining the devices.
- Build a web application installed on an Ubuntu server to help on troubleshooting end-user devices.
Cyber Security Technician
Public Establishment for Industrial Estates (Madayn)
muscat
10.2022 - 11.2025
- Engineered and maintained HA and HO firewall clusters, hardened policies, optimized NAT/segmentation, and deployed IPS profiles to strengthen perimeter controls.
- Managed Cortex XDR operations, improving incident triage visibility, alert quality, and endpoint response accuracy.
- Designed and supported site-to-site and remote-access VPNs (GlobalProtect/IPsec/SSL), using certificate-based authentication and secure crypto profiles.
- Completed vulnerability evaluations and risk assessments, supervised remediation tracking, and confirmed fixes aligned with security standards.
- Develops, reinforces, and deploys Docker containers tailored for internal applications, implementing stringent security settings, confidential information protection, and image lifecycle management.
- Developed and maintained open-source tools to support automation, monitoring, and security operations.
- Deployed and monitored containerized workloads with least-privilege execution, network isolation, and compliance-aligned configurations.
- Coordinated with IT, Network, and Operations teams to streamline IR workflows, log forwarding, and threat-intel processes.
- Implemented security procedures, baseline controls, and compliance-driven configurations in line with internal policies.
- Installed, configured, maintained, and upgraded Linux servers and services, ensuring hardening, monitoring, and high availability.
IT Technician
Public Establishment for Industrial Estates (Madayn)
Sumail
03.2020 - 10.2022
- Provided support for network/system issues. Assisted in deploying and maintaining network infrastructure and core services.
- Built small automations and IT solutions to improve operational processes and reduce manual effort.
- Managed inventory of IT assets, tracking hardware.
- Provided on-site and remote support for end-users, troubleshooting hardware and software issues.
- Assisted in the deployment of virtual machines and cloud services to enhance operational efficiency.
- Installed and configured hardware, software, systems, networks, and printers.
- Maintained user accounts in Active Directory and Exchange Server environments.
Education
BSc (Hons first class) - Software Technology
Middle East College
UK08.2025
Diploma - Computer Engineering
Ibra College of Technology
Ibra02.2019
Skills
- Network troubleshooting
- Cybersecurity protocols
- Firewall administration
- Vulnerability assessments
- Project management
- Team collaboration
- IT asset management
- ITIL framework
- Web development
- Network administration
- IT documentation
- Operating systems
- DHCP/DNS ethernet and firewall proficient
- Virtualization technologies
- VPN implementation experience
- Routing protocols expertise
- VLAN management
- Data center management
- SharePoint management
- Cloud services deployment
- Open source tools
- Operating system installation
- Linux
- Linux kernel
- Linux administration
- Aruba Switch , Fortigate Switch
- Open soucre
- Docker
- Incident response
- Network security
- Microsoft Dynamics
- Hyper-v virtualization
- PowerShell scripting
- Server hardware maintenance
- Active Directory management
- Office 365 administration
- Backup and restore management
- Cybersecurity principles
- infrastructure monitoring tools
Projects and Engagements
- Designing a new Mobile application for Marsa Al Duqm to manage the Port
- Parameter and Core firewall replacement
- OGN Firewall Replacement
- WAF Implementation
- Email Security Gateway Implementation
- Building and developing a MadaynGPT
- Designing a new network infrastructure for a new building
Security Skills
- Administered and optimized enterprise firewalls, IPS profiles, and perimeter defense strategies.
- Designed secure VPN architectures (GlobalProtect, IPsec, SSL) with certificate-based authentication.
- Performed vulnerability assessments, risk analysis, and remediation tracking aligned with compliance baselines.
- Deployed hardened Linux servers and containerized workloads with least-privilege execution and network isolation.
- Managed endpoint protection and incident response workflows using Cortex XDR and threat intelligence tools.
- Implemented compliance-driven security configurations across infrastructure and cloud services.
Network Skills
- Configured and maintained routers, switches, VLANs, and wireless networks for enterprise environments.
- Applied expertise in DHCP/DNS, routing protocols, and network segmentation for performance and security.
- Designed and supported site-to-site and remote-access VPNs for secure connectivity.
- Monitored and troubleshot network performance, ensuring high availability and resilience.
- Managed data center infrastructure, including virtualization technologies and backup/recovery solutions.
Development Skills
- Built secure web applications and internal tools to enhance asset visibility and workflow automation.
- Automated IT/security operations using PowerShell and open-source scripting tools.
- Developed and deployed Docker containers with secure lifecycle management and secrets handling.
Interpersonal Skills
- Communicated clearly and professionally in reports, documentation, and technical guidance.
- Patient, Ambitious, Responsible, work committed.
- Written Communication and documentation skills.
- Able to work in a multi-disciplined team that includes designers, developers,
consultants, and Project Managers.
Technology involved and international standards
- Palo Alto
- Fortigate
- Sonicwall
- Symantec
- Trend Micro
Timeline
IT Specialist
Marsa Al Duqm Investment LLC
11.2025 - Current
Cyber Security Technician
Public Establishment for Industrial Estates (Madayn)
10.2022 - 11.2025
IT Technician
Public Establishment for Industrial Estates (Madayn)
03.2020 - 10.2022
BSc (Hons first class) - Software Technology
Middle East College
Diploma - Computer Engineering
Ibra College of Technology