Work Experience:
OT & Cybersecurity | ICSS & Functional Safety | Instrumentation Engineer .
PETROBEL (Belayim Petroleum Company – ENI) – Zohr Gas Field
August 2017 – Present
OT & Cybersecurity Engineer.
• Directed the cybersecurity strategy for the Integrated Control and Safety System (ICSS) at Zohr gas
field, ensuring robust protection of critical OT systems and maintaining operational resilience.
• Developed and managed multi-tier network architectures and firewall configurations, while
designing tailored OT security solutions to address real-time risks and improve operational safety .
• Applied network segmentation strategies in alignment with IEC 62443 to enhance asset isolation and
reduce lateral threat movement in industrial environments.
• Designed and implemented security zones and conduits architecture to control inter-zone
communications and enforce cybersecurity policies as per IEC 62443 guidelines
• Conducted cybersecurity risk assessments for IACS systems to identify vulnerabilities, assign
security levels, and develop appropriate mitigation plans.
• Developed and maintained an incident response plan tailored for industrial systems, ensuring rapid
detection, containment, and recovery from cyber incidents.
• Expert in OT-IT convergence, delivering secure, end-to-end integration from field instrumentation to
enterprise boundaries, and architecting defense-in-depth strategies that protect critical assets across
the full industrial network stack.
• Protected critical industrial infrastructure by deploying unidirectional gateways, ensuring operational
data could be exported for monitoring without exposing OT networks to IT-side threats .
• Managed Nozomi Networks for threat detection, network visibility, and anomaly monitoring.
• Administered domain controllers (DC), GPOs, WSUS, and EPO client policies to ensure
cybersecurity compliance.
• Diagnose and resolve technical issues on operator and engineering workstations, enhancing system
performance and maximizing uptime and reliability.
• Maintained system backups and recovery plans via NAS servers.
• Configured and managed NTP for network time synchronization, maintaining system consistency
and supporting security operations.
• Optimized remote access through terminal servers and RDP management.
• skilled in securing OT environments in oil and gas, utilities, and manufacturing, utilizing robust
cybersecurity protocols and incident response strategies to ensure operational safety and reliability.
• Developed and enforced OT cybersecurity policies with cross-functional teams, promoting a culture
of security awareness and risk management across the organization.
• Good experience in risk management, vulnerability assessments, and security audits for OT systems,
improving the security posture of critical assets.
• Managed and optimized SIEM and SOAR solutions to monitor security events, detect threats, and
reduce false positives, collaborating with SOC and incident response teams for rapid threat
mitigation.
• Utilized NPM tools to optimize network performance, troubleshoot issues, and deliver performance
reports, ensuring reliable OT system operations.
• Addressed OT-specific cybersecurity challenges such as patch management, device authentication,
and securing legacy systems, maintaining control system integrity.
ICSS & Functional Safety Engineer.
• Contributed to the engineering and installation of Zohr control and safety system upgrades, including
Foxboro Evo DCS and Triconex ESD systems.
• Reviewed and implemented new versions of CS and CCS software related to control platform to
ensure system enhancements and stability.
• Managed the SIL verification process and conducted Site Acceptance Tests (SAT), Factory
Acceptance Tests (FAT), and Cause & Effect (C&E) tests for safety-critical systems
• Supervised the installation, commissioning, and acceptance of ICSS components, ensuring adherence
to project specifications and standards.
• Practical Experience in application of IEC 61511 and of alarm management life cycle.
• Knowledge of control of work principles, risk assessment, and management of change.
• Ensure system redundancy and fail-safe mechanisms to enhance safety.
• Monitor system status and check faulty cards and modules (System survey).
• Support operation, maintenance, and upgrades systems in case of improvement.
• MOC implementation and provide red marked document when has been implemented.
• Review ICSS FDS document.
• Troubleshooting PLC systems (S7400/300), ensuring continuous system improvement and
reliability.
• Practical experience HIMAX safety instrumented system for BMS .
• Practical experience with SAP program.
Instrumentation Engineer.
• Review of engineering drawings and vendor documents VDRL.
• Commissioned new project phases, including loop tests, control narrative tests, and cause-and-effect
tests, to ensure operational readiness.
• Enhanced system performance through proactive tuning and optimization of PID control loops for
critical processes.
• preparation of loop drawings/ hookup drawings/ cable routing for modifications and upgrades.
• Check and investigate with Engineering teams all new expansions in Zohr gas field.
• predictive maintenance and calibration of shutdown valves.
• predictive maintenance and calibration of control valves.
• predictive maintenance and calibration of instrument equipment: pressure, level, flow and temperature
transmitters.
• Knowledge of offshore system architecture and Subsea control system.
• Experience in industrial communication standards: HART, Fieldbus, and Modbus.
Commissioning Telecommunication Engineer
PETROBEL (Belayim Petroleum Company – ENI) – Zohr Gas Field
August 2017 – 2019
• Installed and maintained CCTV, access control, TETRA, PAGA, and broadband communication systems.
• Supported ICS team with control, safety, and cybersecurity network installations.
• Installed microwave links between onshore and offshore sites.
• Conducted FAT, SAT, and OTP for telecom systems and expansions.
• Led telecom commissioning activities and handed over documentation to operations.
• Responsible for Cyber security system dedicated to ICSS system in Zohr gas field.
• laying fiber cables inside zohr buildings and between control rooms.
• Knowledge of multi-tier architectures and firewall management.
• Hand over commission check sheets and site acceptance reports to the Operation team.
Network Engineer
Etisalat ISP
March 2015 – August 2017
• Investigate and troubleshoot all ISP network components.
• Check all core network routers and switches configuration and upgrade the old devices.
• Responsible for installation and maintenance Huawei equipment for 2G&3G and ISP network components