OSS Engineer | Customer Interface

TechBros; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A telecom service provider in Singapore is looking for an experienced OSS Engineer to enhance customer interface performance for a live telecom network project. This role involves analyzing LTE/5G network performance, troubleshooting issues, and delivering insights using OSS tools. Candidates should have a strong telecom understanding and knowledge of multi-vendor environments. If you have experience in performance management and analytics, this is an excellent opportunity to drive operational excellence.

Qualifications

• Strong understanding of telecom networks (LTE, 5G NR, RAN, Core, Transport).
• Hands-on experience with OSS platforms.
• Ability to analyze network KPIs and provide performance insights.

Responsibilities

• Act as an onsite interface for OSS operations and customer-facing performance activities.
• Monitor, analyze, and optimize LTE/5G network performance across RAN, Core, and Transport.
• Perform PM analysis and interpret complex KPIs.
• Handle FM including alarm monitoring and correlation.
• Support CM and assess network change impacts.

Skills

Telecom network understanding

OSS platforms experience

Performance Management (PM)

Fault Management (FM)

Configuration Management (CM)

Network KPI analysis

SQL proficiency

Excel proficiency

Python knowledge

Reporting skills

Tools

Tableau

Power BI

TEMS Discovery

Actix

Job description

🔎 Job Title: OSS Engineer – Customer Interface | Techbros | Singapore
🏢 Recruiting Company: Techbros
🌍 Job Location: Singapore (Onsite)
💼 Job Type: Full-Time
📧 Application Method: Send CV to [e-mail]
📝 Email Subject: OSS Engineer – Full Name
🌏 Preferred Nationalities: Singaporean, Indonesian, Malaysian
🛂 Eligibility: Candidates holding valid EP/WP are welcome to apply

Position Summary

Techbros is seeking an experienced OSS Engineer – Customer Interface to support a live telecom network project in Singapore. This role is pivotal in ensuring network performance excellence, service assurance, and strong customer engagement across LTE/5G, RAN, Core, and Transport domains. You will act as the primary bridge between operations teams and customers, driving performance insights, troubleshooting, and operational optimization.

Detailed Job Description

As an OSS Engineer – Customer Interface, you will be responsible for monitoring, analyzing, and improving LTE/5G network performance using advanced OSS tools and analytics platforms. You will support fault management, configuration management, and performance management functions while correlating alarms, troubleshooting incidents, and ensuring operational stability. You will generate dashboards, conduct trend analyses, and engage directly with customers to discuss performance outcomes and improvement actions. The role requires hands‑on experience in data analytics tools, strong understanding of multi‑vendor and multi‑RAT environments, and the ability to work independently in cross‑functional, fast‑paced project settings.

Key Responsibilities

• Act as an onsite interface for OSS operations and customer‑facing performance‑related activities
• Monitor, analyze, and optimize LTE / 5G network performance across RAN, Core, and Transport domains
• Perform Performance Management (PM) analysis and interpret complex KPIs
• Handle Fault Management (FM) including alarm monitoring, correlation, and root cause analysis
• Support Configuration Management (CM) and assess network change impacts
• Analyze key KPIs: accessibility, retainability, mobility, throughput, and latency
• Perform busy‑hour and trend‑based analyses to identify issues and improvement opportunities
• Support live network incidents, service assurance events, and customer escalations
• Work with multi‑vendor and multi‑RAT technologies
• Utilize data analytics tools (SQL, Excel; Python a plus) for reporting and insight generation
• Prepare detailed reports using Tableau, Power BI, TEMS Discovery, Actix Analyzer
• Analyze IP/Transport performance including latency, packet loss, synchronization issues
• Translate technical KPIs into actionable business insights for customer communication
• Collaborate independently with cross‑functional teams to resolve network performance issues

Required Qualifications & Skills

• Strong understanding of telecom networks (LTE, 5G NR, RAN, Core, Transport)
• Hands‑on experience with OSS platforms
• Expertise in PM, FM, and CM domains
• Ability to analyze network KPIs and provide performance insights
• Experience handling multi‑vendor and multi‑RAT environments
• Proficiency with SQL, Excel; Python knowledge is advantageous
• Familiarity with Tableau, Power BI, TEMS Discovery, Actix, or similar tools
• Strong documentation, reporting, and communication skills
• Ability to work independently and collaborate across teams

Nice‑to‑Have Skills

• Experience with operator‑facing roles in live network environments
• Knowledge of automation or advanced analytics workflows
• Exposure to performance dashboards and OSS system integrations
• Ability to interpret transport KPIs and complex network architecture diagrams
• Regional language proficiency

Recruitment Pro Tip

Showcase specific LTE/5G performance issues you’ve resolved—include KPIs analyzed, tools used, and the improvement achieved. This immediately demonstrates your operational depth and customer‑facing capability in live telecom environments.