Overview

WHO WE ARE:

As Singapore’s longest established bank, we have been dedicated to enabling individuals and businesses to achieve their aspirations since 1932. How? By taking the time to truly understand people. From there, we provide support, services, solutions, and career paths that meet their individual needs and desires.

 Today, we’re on a journey of transformation. Leveraging technology and creativity to become a future-ready learning organisation. But for all that change, our strategic ambition is consistently clear and bold, which is to be Asia’s leading financial services partner for a sustainable future.

 We invite you to build the bank of the future. Innovate the way we deliver financial services. Work in friendly, supportive teams. Build lasting value in your community. Help people grow their assets, business, and investments. Take your learning as far as you can. Or simply enjoy a vibrant, future-ready career.

Your Opportunity Starts Here.

Job Overview

We are looking for a Voice Infrastructure Engineer with strong hands‑on experience supporting and engineering voice solutions across Avaya, Microsoft Teams, Cisco Unified Communications, and Ribbon/Sonus Session Border Controllers. The ideal candidate will have a solid background managing both Unix/Linux and Windows Server environments, coupled with a deep understanding of high‑availability and resilient voice architectures.

This role is responsible for designing, building, and implementing automation solutions across voice and collaboration platforms. The engineer will leverage tools such as Cisco XML, Ansible, and RPA technologies like UiPath to streamline operations and improve platform efficiency. Responsibilities include developing APIs, creating end‑to‑end automation workflows, and contributing to CI/CD pipelines for infrastructure delivery. Proficiency in at least one programming language—such as Python, PowerShell, Ruby, Java, C++, C#, or Go—is essential for building automation frameworks and enhancing voice infrastructure applications.

Key Responsibilities

  • Administer and maintain Unix/Linux systems, Microsoft Windows Server, IIS, and cloud‑based orchestration platforms supporting Cisco, Avaya, Microsoft Teams, Ribbon SBC, and Verba voice environments.

  • Ensure the stability, security, and performance of voice infrastructure across on‑premise and cloud deployments.

  • Design, develop, and maintain automation workflows using tools such as Cisco XML, Ansible, Puppet, UiPath, and Python to streamline provisioning, configuration, and operational processes.

  • Build automated solutions that support release management, CI/CD integration, and infrastructure‑as‑code practices.

  • Utilize configuration and automation frameworks—including Cisco XML, Ansible, Puppet, UiPath, and Python—for consistent and efficient infrastructure management.

  • Automate release and deployment processes, and integrate with continuous integration/delivery systems and related infrastructure tools.

  • Develop and maintain infrastructure tools, applications, APIs, and automation frameworks to enhance manageability and scalability of voice platforms.

  • Create and maintain scripts using Python, PowerShell, Ruby, Java, C++, C#, or Go to eliminate repetitive tasks and enable operational self‑service.

  • Support business continuity and disaster recovery activities, including recommending and implementing automation strategies to strengthen resiliency.

  • Execute automation plans for voice technologies, ensuring alignment with architectural and operational standards.

  • Maintain consistency and standardization across voice systems through clear documentation, processes, and governance controls.

  • Lead technical knowledge‑sharing initiatives, including documentation, best practices, and internal training sessions.

  • Perform deep‑dive troubleshooting and remediation across Cisco, Avaya, Microsoft Teams, Ribbon SBC, and Verba platforms, including leveraging automated diagnostics when appropriate.

  • Collaborate across cross‑functional teams to resolve complex multi‑product issues and ensure seamless service integration.

  • Mentor junior and new engineers, helping grow team capability and technical competence.

Key Focus Areas

  • High availability solutions

  • Configuration management

  • Engineering on Voice Products

  • API integration

Education: Relevant degree in Computer Science, Information Technology, or a related field.

Experience:

  • Minimum 5 years hands-on experience with Microsoft Teams, Voice Infrastructure, Unix platforms, Microsoft Windows Server, IIS, or cloud-based orchestration platforms.

  • 3–5 years designing, supporting, or operating high‑availability voice infrastructures.

  • Experience implementing redundancy, failover, clustering, and disaster‑recovery solutions for Cisco UC, Avaya Aura/CM, Microsoft Teams Phone, and Ribbon SBC.

  • Hands‑on exposure to multi‑site or hybrid (on‑prem + cloud) voice deployments.

  • Experience working with automation and configuration tools such as: Cisco XML, Ansible, Puppet, UiPath, Python scripting

  • Experience with automation tools such as Ansible and integration with Jenkins.

Certification: Relevant certifications in cloud technologies, automation, or system administration are preferred.

Knowledge and Skills:

  • Strong understanding of Wintel/Linux high availability solutions (clustering).

  • Familiarity with configuration management systems (SCCM, WSUS, Ansible, Puppet, Chef).

  • Experience in automating releases and working with continuous integration/delivery systems.

  • Demonstrable web development experience and ability to write APIs.

  • Proficiency in at least one programming language (Python, PowerShell, Ruby, Java, C++, C#, Go) at an intermediate level.

  • Excellent teamwork, interpersonal, and communication skills, with a strong sense of responsibility and attention to detail.

  • Ability to perform situational analysis and make informed decisions.

What we offer:

Competitive base salary. A suite of holistic, flexible benefits to suit every lifestyle. Community initiatives. Industry-leading learning and professional development opportunities. Your wellbeing, growth and aspirations are every bit as cared for as the needs of our customers.

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About

OCBC is the longest established Singapore bank, formed in 1932 from the merger of three local banks, the oldest of which was founded in 1912. It is now the second largest financial services group in Southeast Asia by assets and one of the world’s most highly-rated banks, with an Aa1 rating from Moody’s. Recognised for its financial strength and stability, OCBC is consistently ranked among the World’s Top 50 Safest Banks by Global Finance and has been named Best Managed Bank in Singapore by The Asian Banker.

OCBC and its subsidiaries offer a broad array of commercial banking, specialist financial and wealth management services, ranging from consumer, corporate, investment, private and transaction banking to treasury, insurance, asset management and stockbroking services.

OCBC’s key markets are Singapore, Malaysia, Indonesia and Greater China. It has more than 570 branches and representative offices in 19 countries and regions. These include about 300 branches and offices in Indonesia under subsidiary Bank OCBC NISP, and over 90 branches and offices in Mainland China, Hong Kong SAR and Macau SAR under OCBC Wing Hang.

OCBC’s private banking services are provided by its wholly-owned subsidiary Bank of Singapore, which operates on a unique open-architecture product platform to source for the best-in-class products to meet its clients’ goals.

OCBC's insurance subsidiary, Great Eastern Holdings, is the oldest and most established life insurance group in Singapore and Malaysia. Its asset management subsidiary, Lion Global Investors, is one of the largest private sector asset management companies in Southeast Asia.