Permanent position | Full-time | Security clearance required

We are looking for experienced OSS professionals who want to work in a modern telecom environment where automation, reliability, and continuous improvement truly make a difference. In this role, you will drive CI/CD automation, infrastructure modernization, and operational excellence across OSS systems. You will gain deep exposure to monitoring tools and multi-vendor telecom ecosystems in an Agile, DevOps-driven environment.

Your Role

In this position, you will ensure smooth operation of service fulfilment processes and telecom device configurations while taking part in modernizing critical OSS platforms. You’ll troubleshoot complex incidents, improve automation, and contribute code that keeps large-scale networks running reliably.

This is a chance to work at the heart of a large telecom ecosystem where your decisions directly influence delivery speed, platform reliability, and automation maturity. You’ll contribute to modernizing OSS platforms using containerization, cloud-native tools, and advanced monitoring, while collaborating closely with both development and operations teams.

Your work will include:

• Monitoring fulfilment flows, activation pipelines, and device states

• Investigating issues, running RCAs, implementing stable fixes

• Reconciling and maintaining clean service inventory and config baselines

• Enhancing tools and batch jobs using Java, Perl, and Groovy

• Building dashboards that bring clarity to order flows, activations, and SLAs

• Working daily with Network Engineering, Field Ops, OSS Architects, and vendors

The work location in Finland can be flexible. 

What You Bring

• Solid background in OSS fulfilment, activation flows, and O2A

• Understanding of routing, QoS, MPLS, Ethernet, xDSL, and CPE provisioning

• Hands-on experience with Java, Perl, SQL

• Familiarity with REST/SOAP integrations and ITIL practices

• Proficiency in English is required; fluency in Finnish is advantageous

• At least 3 years of residence in Finland (required for security clearance)

Beneficial experience includes router CLI exposure, TM Forum frameworks, Elastic/Grafana, and automation using Python or Ansible.

These are the qualities that help you to succeed in your job. But it doesn’t mean you cannot succeed if you haven’t mastered every single skill – we encourage your learning and professional development. Apply courageously!

A work community you can grow in

TCS combines international scale with a distinctly approachable local atmosphere. Our Finland team of around 600 professionals creates a community where you’ll always find support, collaboration, and space to do your best work. The atmosphere is relaxed but driving, people care for each other and so does the company.

TCS is known for long-term stability, genuine care for employees, and strong customer partnerships, many of which span decades. Your role sits directly within one of our telecom clients, giving you hands-on impact while still benefiting from the full strength of TCS’ global expertise.

With 600,000 colleagues worldwide, TCS offers broad career paths and a robust learning ecosystem both locally and globally. You’ll have access to over 75,000 courses, from advanced, future-ready technical trainings to more unique opportunities such as getting certified as a yoga instructor. Supported by a clear vision for AI, we have organized the world’s largest AI hackathon, support external certifications, and work closely with leading technology partners.

Rooted in the Tata heritage, TCS is committed to giving back to society. 66% of Tata Group’s profits go to philanthropic trusts, supporting initiatives such as India’s first cancer hospital and numerous global social programs.

Interested? 

If the role sounds like a match, there’s no need to send a CV. Simply answer a few short questions about your background, and we’ll contact you if your experience aligns with the requirements.

For additional information, feel free to reach out:

About TCS

Tata Consultancy Services is a digital transformation and technology partner of choice for industry-leading organisations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce of 600,000 consultants in 55 countries and 180 service delivery centres across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients – helping them emerge as perpetually adaptive enterprises. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to Artificial Intelligence today.

In Finland, TCS has been operating since 1990’s and we are currently employing around 600 experts with diverse backgrounds that help 25+ local, stock-listed customers with their digital transformations ranging from national critical sectors like telecom and banks to ensuring everyday flow in manufacturing and retail.

TCS sponsors 14 of the world’s most prestigious marathons and endurance events, including TCS Lidingöloppet, TCS London Marathon and TCS Amsterdam Marathon with a focus on promoting health, sustainability, and community empowerment. TCS generated consolidated revenues of over US $30 billion in the fiscal year ended March 31, 2025.