Role: Application Specialist for Telecom OSS Data Mediation (IBM SevOne, Appliance)

Location: Helsinki, Finland

Employment type: Full-time

Experience: 6+yrs

Key Job Responsibilities:

• Monitor application health (SevOne appliances, Netwiser modules, PHP components); triage incidents and resolve application-level issues.
• Ensure accurate collection and processing of call traffic volumes, quality metrics, and trend data for national and international routes.
• Maintain and enhance PHP-based components for mediation, reporting, and UI customization
• Support integration with OSS/BSS systems for Service Assurance workflows and reporting.
• Follow ITIL processes for Incident, Problem, and Change management
• Perform Root Cause Analysis (RCA) for recurring problems and implement preventive measures.

Experience & Skills Requirements:

Must have:

• Hands-on experience with IBM SevOne appliances for performance and QoS monitoring.
• Strong PHP scripting skills for mediation and UI customization.
• Familiarity with ITIL processes and telecom OSS Service Assurance workflows.
• Knowledge of call traffic monitoring, QoS metrics, and fixed network technologies.
• Proficiency in Linux/Unix environments and troubleshooting.

Good to have:

• Experience with CGI Netwiser product or similar telecom traffic monitoring systems.
• Familiarity with Elastic/Kibana or similar observability tools.
• Exposure to TM Forum standards (eTOM, SID, ODA).

Success Metrics & Unique Selling Proposition (USP) of The Role:

• Faster and more reliable software delivery through automated CI/CD and containerized deployments.
• Improved system stability, uptime, and SLA performance in large-scale telecom environments.
• Strong impact on cost reduction and operational efficiency through automation and infrastructure-as-code.
• Ability to lead modernization of BSS/OSS platforms using Kubernetes, cloud, and advanced monitoring tools.
• Act as a key driver connecting development, operations, and architecture teams for DevOps excellence.

What we offer / What’s in it for you:

• Opportunity to work on large-scale telecom platforms with modern DevOps and automation technologies.
• Exposure to cloud, Kubernetes, monitoring ecosystems, and next-gen BSS/OSS modernization initiatives.
• Collaborative environment with cross-functional and global engineering teams.
• Continuous learning and career growth supported by certifications and complex project exposure.
• Ownership of strategic DevOps initiatives with direct impact on operational performance and delivery speed.

Apply now!

Send your CV together with the motivation letter to [email protected] We will go through the applications on an ongoing basis.

At TCS, we believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity motto is ‘Inclusion without Exception’. We encourage people with diverse backgrounds to apply for our positions.

About Tata Consultancy Services

Tata Consultancy Services is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys. Its consulting-led, cognitive powered, portfolio of business, technology and engineering services and solutions is delivered through its unique Location Independent Agile™ delivery model, recognized as a benchmark of excellence in software development.

TCS in the Nordics & Finland

TCS has been operating in the Nordic countries since 1991. The company's Finnish, Swedish, Norwegian and Danish customers are served by a total of 20,000 experts. Our customers have chosen TCS as the best IT consulting service provider in the Nordics every year. TCS has also received the Top Employer recognition in Finland for Six years in a row.

For more information, visit www.tcs.com.