Physical Security Systems Engineers design and implement integrated security solutions including CCTV, access control, intrusion detection, and perimeter systems. They ensure interoperability, reliability, and compliance with global standards. Their work bridges engineering and security domains, requiring knowledge of electronics, networking, and risk management. With increasing adoption of smart infrastructure, IoT-enabled devices, and centralized monitoring platforms, demand for these professionals is growing globally. They play a critical role in safeguarding critical infrastructure, corporate facilities, and public spaces against evolving threats while ensuring system scalability and operational efficiency.