Expert, OT Operation Technology & Security Systems (Gia Binh International Airport)

About Gia Binh

Gia Binh International Airport is a nationally strategic aviation infrastructure project, envisioned to shape the future of Vietnam's aviation sector and serve as a driving force for the development of the aviation economy, contributing to the country's overall economic growth in the era of global integration. The project has been entrusted by the Government and the Ministry of Public Security to Masterise Group—one of Vietnam's leading developers in real estate and infrastructure—to act as the investor partnering with the State in creating a landmark of national significance.

With the ambition to achieve international five-star airport service standards and be ranked among the world's Top 10 airports, Gia Binh International Airport is planned according to a next-generation airport city model. The project is developed as a world-class dual-use aviation hub, playing a strategic role in connecting key economic corridors, enhancing national competitiveness, and making a substantive contribution to the development of Vietnam's economy.

Working alongside Gia Binh International Airport represents a unique opportunity for outstanding individuals to take part directly in a historic national undertaking—where professional expertise, international-standard thinking, and a strong sense of service to the nation are recognized and affirmed, together with broad opportunities for career advancement and long-term professional growth.

Join Masterise Group from the very beginning to build the foundations, define new standards, and create lasting value and legacy for your career, and for the pride of Vietnam.

JOB PURPOSE

Own the day-to-day support of the VVIP terminal's Operational Technology (OT) and security-related systems, encompassing physical security and building-related technology. Acting as a practical, field-oriented engineer, the role bridges the gap between vendors, field devices, communications rooms, and operational teams to ensure a secure and stable VVIP environment.

KEY ACCOUNTABILITIES

I. OT & Security Systems Support

1. Provide direct support for CCTV, access control, intrusion/security systems, Building Management Systems (BMS), and lightweight Baggage Handling Systems (BHS)
2. Support technical rooms, field devices, controllers, and all network-connected OT assets

II. Maintenance & Vendor Coordination

1. Coordinate routine maintenance, system testing, troubleshooting, and vendor field service visits
2. Ensure that system drawings, device lists, IP plans, and maintenance records are meticulously kept up to date.

III. Incident Response & Event Readiness

1. Support incident response, conduct event readiness checks, and participate in emergency drills.
2. Work closely with facilities, security, and the IT Ops Lead to maintain uninterrupted service continuity, providing after-hours support during critical events.

IV. Communication Infrastructure & Network awareness:

1. Manage segregated network environments, ensuring a deep understanding of OT systems operating within logically and physically isolated domains utilizing VLAN segmentation
2. Demonstrate a comprehensive understanding of equipment room topology and rack-level organization for OT assets. Provide on-site troubleshooting for rack-level infrastructure across all technical rooms and communication closets
3. Conduct network-level OT diagnostics, including VLAN assignment verification, PoE+ power budget assessments for cameras and ACS readers, fiber link testing, and fundamental switch port troubleshooting for OT endpoints
4. Demonstrate proficiency in redundancy and high-availability architectures for OT systems. Facilitate failover validation and redundancy protocols during scheduled maintenance windows

V. OT security awareness

1. Maintain awareness of IEC 62443 OT security standard and its practical implications for field devices, controllers, and network segmentation
2. Report OT security anomalies — unauthorized physical access to equipment rooms, unexpected controller behavior, unauthorized device connections — to the SOC Specialist and IT Operations Manager
3. Support OT security hardening activities at the field level: firmware patching coordination, physical port security, controller access credential management

JOB REQUIREMENTS

• 5+ years of experience in OT, Extra Low Voltage (ELV), physical security, BMS, or smart-building systems.
• Experience in airports, hotels, hospitals, commercial buildings, or secure sites is highly valuable.
• Certifications & Licenses: Certifications in ELV systems, CCTV/Access Control platforms, or BMS operations preferred.