Salman Khadim

Security Service Engineer

Envision Intelligent Solutions Limited • Full-time

Nov 2024 - Jun 2026 • 1 yr 7 mos

Worked as a Service Engineer supporting enterprise customers with IT, networking, CCTV, access control, and security technology. Key responsibilities included: • Installed, configured, maintained, and troubleshot IP CCTV cameras, wireless cameras, NVR/DVR systems, access control devices, and security equipment. • Diagnosed network and connectivity issues involving IP addressing, routers, switches, Wi-Fi, Ethernet cabling, and connected security devices. • Configured network-connected devices and performed troubleshooting for communication and connectivity problems. • Provided remote and on-site technical support, identifying faults and guiding users through technical resolutions. • Performed laptop and workstation deployment, device setup, software configuration, firmware updates, and hardware troubleshooting. • Supported large-scale laptop refresh and deployment activities, including device preparation, configuration, testing, and handover. • Performed RJ45/Ethernet cabling, connectivity testing, device installation, and basic network troubleshooting. • Troubleshot CCTV camera connectivity, recording, power, network, and configuration issues. • Configured and supported access control and other IP-connected security systems. • Conducted fault diagnosis and root-cause troubleshooting for hardware, software, networking, and security-system issues. • Maintained service records, technical documentation, fault reports, and installation information. • Communicated technical problems and solutions clearly to customers and internal support teams.

Technical Support Advisor

Johnson Controls • Full-time

Nov 2023 - Nov 2025 • 2 yrs

Provided remote technical support and troubleshooting for residential and commercial security systems, helping customers and field engineers diagnose and resolve technical faults. • Diagnosed and resolved technical issues involving alarm systems, CCTV, network connectivity, sensors, control panels, and connected security devices • Remotely configured, programmed, and troubleshot security systems including QOLSYS, Visonic, Texecom, Galaxy, DMP, and Scantronic platforms. • Investigated internet and network-related faults affecting security devices, including IP connectivity, Wi-Fi, routers, and communication issues • Provided step-by-step remote technical assistance to customers and field engineers, helping resolve faults without unnecessary engineer visits where possible. • Supported CCTV and alarm connectivity troubleshooting, including communication failures, device configuration, and remote access issues. • Performed remote system programming and configuration changes based on customer and operational requirements. • Used structured fault-finding techniques to identify root causes across hardware, software, networking, and security-system issues. • Managed technical support cases from initial diagnosis through resolution or escalation while maintaining accurate case documentation. • Worked with field engineers and internal technical teams to resolve complex incidents requiring additional investigation. • Communicated technical information clearly to non-technical customers while maintaining a professional customer-service experience. • Built strong hands-on experience troubleshooting multiple professional alarm and security-system platforms. • Developed the ability to diagnose technical faults remotely using systematic troubleshooting rather than relying solely on on-site intervention. • Supported customers in a fast-paced technical support environment while handling both technical troubleshooting and customer communication.