HSBC Group

Some careers have more impact than others.

If you’re looking for a career where you can make a real impression, join HSBC and discover how valued you’ll be.

We are currently seeking an experienced professional to join our team in the role of Consultant Specialist.

Business: IWPB Technology

Principal responsibilities

• Work as part of the Global Voice Engineering team, responsible for the design, deployment, and maintenance of SIP-based call center solutions using Kamailio, Asterisk, and PJSIP.
• Collaborate with Solution Architects, Business Analysts, and Operations teams to deliver robust and scalable VoIP solutions for enterprise call center environments.
• Provide expert consultancy and timely support for SIP, Kamailio, Asterisk, and PJSIP-related queries and troubleshooting.
• Ensure technical designs and code are coherent, maintainable, and compliant with industry standards and security best practices.
• Integrate and optimize call routing, media handling, and SIP trunking with third-party systems and APIs.
• Participate in proof-of-concept projects for new VoIP technologies and contribute to continuous improvement initiatives.
• Document system architecture, configuration, and operational procedures for knowledge sharing and compliance.

• University Degree in Computer Science, Telecommunications, Information Technology, or a related discipline.
• Solid hands-on experience with SIP protocol, Kamailio (or OpenSIPS), Asterisk, and PJSIP.
• Strong understanding of VoIP call flows, SIP trunking, NAT traversal, and media negotiation.
• Experience in designing, deploying, and supporting high-availability call center platforms.
• Familiarity with RTP, SRTP, TLS, and other VoIP security/encryption protocols.
• Scripting skills (e.g., Bash, Python) for automation and system integration.
• Experience with Linux server administration and network troubleshooting.
• Knowledge of database systems (e.g., MySQL, PostgreSQL) and RESTful API integration is a plus.
• Familiarity with monitoring tools (e.g., Grafana, Prometheus, Homer/SIPCAPTURE).
• Strong analytical, problem-solving, and communication skills.
• Ability to work independently and as part of a global, multicultural team.
• Good command of written and spoken English; Mandarin is a plus.
• Willingness to participate in on-call rotation and support activities outside regular business hours as needed.
• Eagerness to learn and adapt to new technologies in the unified communications and call center domain.

You’ll achieve more when you join HSBC.

HSBC is an equal opportunity employer committed to building a culture where all employees are valued, respected and opinions count. We take pride in providing a workplace that fosters continuous professional development, flexible working and, opportunities to grow within an inclusive and diverse environment. We encourage applications from all suitably qualified persons irrespective of, but not limited to, their gender or genetic information, sexual orientation, ethnicity, religion, social status, medical care leave requirements, political affiliation, people with disabilities, color, national origin, veteran status, etc., We consider all applications based on merit and suitability to the role.

Personal data held by the Bank relating to employment applications will be used in accordance with our Privacy Statement, which is available on our website.

***Issued By HSBC Software Development (GuangDong) Limited Xian Branch***