Application Support Specialist

OneSource Consulting
📍 Helsinki, Uusimaa, Finland 💼 Full-time 🕒 Posted February 20, 2026

Job Description

Role Title: Application Support Specialist – Telecom OSS Inventory (L3)

Location: Helsinki, Finland (Onsite )

Experience:6+ years

Language:Finnish (Mandatory) + English

Eligibility

  1. Must have resided in Finland for 3+ years
  2. Eligible for security clearance

About the Role

Join a high-performing telecom engineering environment supporting critical OSS Inventory platforms used across field operations, logistics, and network rollout.

This role sits at the intersection of application support, OSS domain expertise, and DevOps-enabled operations, ensuring high availability, data accuracy, and seamless integration across large-scale telecom systems.

You will act as an L3 support specialist, handling complex incidents, integrations, and production issues while collaborating closely with development, NOC/SOC, and operations teams.

Key Responsibilities

Application Support & Operations

  1. Mon...

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Job Details

  • Location Helsinki, Uusimaa
  • Job Type Full-time
  • Category Other-General
  • Posted Date February 20, 2026
  • Application Deadline April 01, 2026