Network Support Engineer | Global Investment Bank

The Compan y Our client is a major player in global financial services with a robust Capital Markets infrastructure spanning Europe and Asia. The Hong Kong operations play a pivotal role in regional processing and reconciliation activities. The Team You will join a talented and collaborative IT operations team responsible for maintaining and optimizing enterprise-level communication systems. The culture values technical excellence, proactive problem-solving, and teamwork, creating a supportive environment for engineers looking to grow within network and voice infrastructure. The Role & Responsibilities Provide day-to-day support and maintenance of voice infrastructure. Handle configuration, troubleshooting, and performance tuning of Cisco telephony and voice systems. Collaborate with network engineers to ensure seamless integration between voice and data networks. Participate in voice infrastructure upgrades, migrations, and implementation projects. Monitor system health, perform capacity planning, and ensure high availability and security across voice networks. Work closely with vendors and internal stakeholders to resolve incidents and deploy technical improvements. The Requirements Degree holder in Computer Science or related field Minimum 2 years experience in enterprise voice system engineering or support. Strong hands-on knowledge of Cisco CUCM, Unity, UCCX, and other Cisco collaboration technologies. Good understanding of SIP, VoIP protocols, and network fundamentals (LAN/WAN, routing, switching). Cisco certification is a great advantage. Proven ability to troubleshoot complex voice or telecom issues in a production environment. Excellent communication and teamwork skills, with a proactive and analytical mindset. The Contact Interested candidates, please send your CV to angus.fan@unity-partners.com .