Technical Support Senior Engineer (DTE)

Technical Support Senior Engineer (Dedicated Technical Engineer - DTE)

Location:

Singapore

Job Description

We are seeking an experienced

Technical Support Senior Engineer (DTE)

to provide dedicated support for enterprise banking customers in Singapore. The successful candidate will be responsible for Tier 2/3 support, troubleshooting, and maintaining mission-critical Avaya Unified Communications and Contact Center environments.

Requirements

Experience

Minimum

4 years of experience

in Tier 2/3 Unified Communications (UC) and Contact Center engineering.

Experience supporting Banking or Financial Services environments is preferred.

Proven ability to troubleshoot and resolve complex telephony and contact center issues.

Technical Skills

Core Avaya Technologies

Avaya Aura Platform:

Communication Manager (CM)

Session Manager (SM)

System Manager (SMGR)

Avaya Aura Media Server (AAMS)

Avaya Aura Experience Portal (AAEP)

Avaya Call Management System (CMS)

Avaya Contact Center Elite (CC Elite)

Infrastructure & Protocols

Avaya Session Border Controller for Enterprise (ASBCE)

SIP and H.323 protocols

VoIP diagnostics and troubleshooting

Linux Operating Systems

VMware virtualization

Certifications

ACSS (Avaya Certified Support Specialist), ACIS (Avaya Certified Implementation Specialist), or equivalent telephony/UC certifications preferred.

Preferred

Experience supporting large enterprise or Tier-1 banking environments.

Strong problem-solving, troubleshooting, and stakeholder communication skills.

Ability to work in a fast-paced, customer-facing support environment.

Interested candidates may apply through the application system. We regret to inform only Shortlisted candidates will be notified.

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PERSOL Singapore Pte Ltd • RCB No. 200007268E • EA License No. 01C4394 • EA Registration No. R1877971 (Derrick Tiew Yong Han)

PERSOL is Asia-Pacific’s leading Staffing and HR solutions partner, operating across 13 markets with deep local insight and regional scale. With more than 80 offices and decades of experience, we deliver integrated workforce solutions that are tailored, tech-enabled, and designed for the dynamic world of work.

We combine human expertise with smart technology to help organisations solve workforce challenges, unlock potential, and stay ahead of change. From recruitment and talent management to workforce strategy and advisory, our collaborative approach puts your goals at the centre.

In 2025, we came together under the PERSOL name — reflecting our bold vision for the future of work and our Group’s Vision: Work and Smile.

Whether you’re building teams, growing careers, or transforming how work gets done, we’re here.

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