L2 Support Engineer for Telecom OSS Plan & Build (HCL Domino 12)

About the job

Role: L2 Support Engineer for Telecom OSS Plan & Build (HCL Domino 12)

Location: Helsinki, Finland

Employment type: Full-time

Experience: 6+yrs

Join a high-performing telecom engineering team as a DevOps Engineer, where you will drive CI/CD automation, infrastructure modernization, and operational excellence across BSS/OSS systems. You will work on large-scale telecom platforms including billing, CRM, provisioning, and network management while enabling faster releases, high availability, and resilient operations. This role offers deep exposure to Kubernetes, cloud environments, automation frameworks, monitoring tools, and multi-vendor telecom ecosystems in an Agile and DevOps-driven environment.

Key Job Responsibilities:

• Monitor Domino application health (server tasks, logs, replication status, agent schedules); triage incidents, perform Root Cause Analysis (RCA), deliver fixes/workarounds, and update KEDB/runbooks.
• Lead major incident bridges; coordinate with Domino admins, application owners, and integration teams; provide clear communications on impact/ETA.
• Enforce RBAC via Domino ACLs, implement field‑level protections (masking/encryption where applicable), and maintain audit trails for access/change events.
• Support Impact Assessments (PIA), maintain data processing inventories, and prepare evidence for internal/external audits.
• Manage controlled changes to HCL Domino 12 design elements (Forms, Views, Agents), environment configs, and package deployments to various environments
• Implement code fixes and utilities using LotusScript, Java (Domino Java APIs), and JavaScript (XPages or Node.js sidecars for services/integrations)
• Track L2/L3 tickets for complex defects; supply reproducible cases, logs, and test scripts; validate vendor/engineering patches
• Administer and periodically review ACLs/roles for least privilege; maintain signer IDs, certificates, cross‑certification hygiene.

Experience & Skills Requirements:

Must have:

• HCL Domino 12 / Lotus Notes operations: server tasks, replication, ACLs, design elements
• LotusScript development & troubleshooting: Agents, scheduled jobs, error handling, structured logging.
• Java (Domino Java APIs) and JavaScript (XPaes/Node.js sidecars) for fixes, integrations, and support utilities.
• & security controls: RBAC via ACLs, audit logging, data classification (Personal/Traffic/Location)
• ITIL L2 support: incident lifecycle, RCA authoring, problem records, change governance/CAB participation.
• Data & directory concepts: NSF design, views/indexes, Notes Address Book (names.nsf), device identifiers (serial/MAC), barcode/QR/RFID data handling.
• Observability: log analysis, agent performance profiling, capacity planning for Domino servers; familiarity with error budgets/SLOs.

Good to have:

• Experience integrating with ServiceNow/JIRA (ticketing, CMDB updates).
• Knowledge of TM Forum frameworks (eTOM for service management) and OSS inventory principles.
• Scripting for Ops automation (Bash/PowerShell/Python) and light CI/CD for packaging design elements.
• Exposure to barcode/RFID hardware ecosystems (Zebra/Honeywell) and mobile device management (MDM/EMM).

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.

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Send your CV together with the motivation letter to 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.

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