Tieto

DevOps Engineer

• Engage with business stakeholders to gather requirements and design solutions aligned with engineering standards and business needs
• Design, implement, and manage Red Hat OpenShift clusters in on-premises physical and virtualized environments
• Own systems engineering projects related to OpenShift infrastructure
• Collaborate with development teams to containerize applications and optimize deployment and release workflows
• Build and maintain CI/CD pipelines using OpenShift and associated DevOps tools
• Automate operational and deployment tasks using Ansible and scripting tools
• Perform patching and upgrades of OpenShift clusters, ArgoCD, GitLab CI, and related components under change-management procedures
• Design, implement, and maintain backup, disaster recovery, and redundancy strategies
• Participate in on-call/standby rotation for critical platform and infrastructure services
• Perform trend analysis, root cause analysis, monitoring, troubleshooting, and issue resolution
• Implement security practices including RBAC, vulnerability management, and compliance controls
• Improve alerting, monitoring, and observability across OpenShift and related systems
• Perform Linux system administration, infrastructure maintenance, and data center service support when required
• Produce and maintain architecture diagrams, operational procedures, and runbooks
• Provide knowledge transfer, mentoring, and training to colleagues on OpenShift, GitLab, and related infrastructure technologies

Middle/Senior DevOps Engineer – On-Prem

Operations

• Provide second-line support for Instant Roaming, Open-Connectivity Roaming, SMS Translator, Steering of Roaming, Managed PGW, and related services
• Monitor network and service availability and quality
• Perform proactive and reactive maintenance activities
• Manage incidents and execute planned maintenance work
• Participate in new service implementations and network rollout projects with engineering teams
• Collaborate with Product Management, Presales, and second-line customer support teams to gather logs and traces, validate routing and data transfer, and maintain service quality
• Work with vendors, monitor performance, and ensure proper service delivery
• Support customers worldwide with roaming-related issues and cooperate with mobile operators and Travel SIM companies
• Apply knowledge of network architecture, signaling protocols, and interfaces
• Assist with training new and existing team members
• Support workload planning for business continuity during holiday periods
• Participate in an on-call rotation of one week per month

Senior Roaming Operations Engineer

• Provide second-line support for Instant Roaming, Open-Connectivity Roaming (Roaming Hub), SMS Translator, Steering of Roaming, Managed PGW, and other related services
• Monitor network and service availability and quality, performing proactive and reactive maintenance activities
• Manage incidents and carry out planned maintenance work
• Participate in the implementation of new services and network rollout projects in collaboration with engineering teams
• Collaborate with Product Management, Presales, and other second-line customer support teams to gather information, logs, and traces, validate routing and data transfer, and ensure high service availability and quality
• Work closely with vendors, monitor their performance, and ensure proper service delivery
• Support customers worldwide with roaming-related issues and cooperate with mobile operators and Travel SIM companies
• Demonstrate a strong understanding of network architecture and signaling protocols and interfaces
• Assist with the training of new and existing team members
• Support workload planning to ensure business continuity during holiday periods
• Participate in an on-call rotation one week per month

Systems Engineer

• Develop and maintain software components for Lustre file system environments
• Contribute code to Lustre and related storage infrastructure projects
• Design, implement, and improve automation, CI/CD, and testing frameworks
• Analyze system performance, troubleshoot complex storage issues, and optimize large-scale environments
• Collaborate with distributed engineering teams on architecture, development, and validation activities
• Support integration, functional, and regression testing of storage solutions
• Work with Tieto Tech Consulting and its customer, a leading global technology company

Middle/Senior DevOps Engineer – On-Prem

Senior Roaming Operations Engineer

Senior Roaming Operations Engineer

Lustre Software Engineer – Storage Systems Developer