Senior OpenShift Engineer – Tieto Tech Consulting (m/f/d)

Tieto; Warszawa; On-site; PLN 80,000 - 110,000; Full time

Job summary

Tieto in Warsaw is looking for a highly skilled Senior OpenShift Engineer to join their Telecom Team, working with BICS, a global telecommunications leader. This role offers opportunities for growth by managing OpenShift clusters and collaborating with capable teams. Candidates should have strong experience in Linux systems and automation practices. A diverse workplace is promoted, encouraging candidates from all backgrounds to apply.

Qualifications

• 4+ years of relevant professional experience or equivalent certifications.
• Proven hands-on experience deploying and maintaining OpenShift platforms.
• Strong experience with infrastructure automation practices using Ansible.
• Solid background in Linux system administration within enterprise environments.

Responsibilities

• Engage with business stakeholders for requirements and solutions design.
• Design, implement, and manage Red-Hat OpenShift clusters.
• Collaborate with teams to containerise applications and optimise workflows.
• Automate operational tasks using Ansible and scripting tools.
• Support daily operations including monitoring and troubleshooting.

Job description

Job Description

Tieto Tech Consulting (MentorMate from 2001 to 2026) is looking for a highly skilled and motivated Senior OpenShift Engineer, a professional who will join a project within a Telecom Team for our client BICS. Join the team of our customer BICS – a global telecommunication enabler with a physical network stretching through the globe! Grow your expertise through interacting with A‑level mobile carriers from all over the world. Get your hands on the vast network with on land, underwater, and space points of presence. Join our decade‑long partnership with BICS to ensure confidence in your future and long‑term growth! The Tieto‑BICS team has been growing since 2010 and we are looking forward to growing with you!

• Develop your telecom expertise in a diverse portfolio of BICS products, including Voice, Cloud, Signaling, LTE, IoT, etc.
• Enjoy unmatched growth opportunities with BICS’ vast network and customers around the world.

Areas of Responsibility

• Engage with business stakeholders to gather requirements and design solutions that align with engineering standards and support business needs.
• Design, implement, and manage Red‑Hat OpenShift clusters in on‑premises (physical and virtualised) environments.
• Take ownership of systems engineering projects related to OpenShift infrastructure.
• Collaborate with development teams to containerise applications and optimise deployment and release workflows.
• Build and maintain CI/CD pipelines using OpenShift and associated DevOps tools.
• Automate operational and deployment tasks using Ansible and other scripting tools.
• Perform patching and upgrades of OpenShift clusters, ArgoCD, GitLab CI, and related components in compliance with change‑management procedures.
• Design, implement, and maintain backup, disaster recovery, and redundancy strategies.
• Participate in on‑call / standby rotation to support critical platform and infrastructure services and ensure service continuity.
• Support daily operations including trend analysis, root cause analysis, monitoring, troubleshooting, and resolution of platform issues to ensure high availability and reliability.
• Implement and enforce security best practices, including RBAC, vulnerability management, and compliance controls.
• Improve alerting, monitoring, and observability capabilities across OpenShift and related systems.
• When OpenShift‑related workload is limited, perform general system administration activities, including Linux server administration, infrastructure maintenance, and support of data‑center services as part of the infrastructure team.
• Produce and maintain up‑to‑date documentation, including architecture diagrams, operational procedures, and runbooks.
• Provide knowledge transfer, mentoring, and training to colleagues on OpenShift, GitLab, and related infrastructure technologies.

Qualifications

• 4+ years of relevant professional experience; alternatively, equivalent professional certifications (including Red Hat OpenShift training) combined with at least 5 years of experience.
• Proven hands‑on experience deploying, operating, and maintaining OpenShift and GitLab CI platforms.
• Strong experience with infrastructure automation practices, particularly using Ansible.
• Solid background in Linux system administration within enterprise or data‑center environments.
• Ability to document architectures, configurations, and standards, and to develop and maintain SOPs and training materials.
• Upper‑intermediate level of English (both spoken and written).

Will be an advantage

• Bachelor’s degree in IT, Engineering or Computer Science.
• Knowledge of ITIL Service Operations principles.
• Experience with ArgoCD, monitoring and observability platforms (e.g., Prometheus, Grafana), or disaster recovery tooling.

Additional Information

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.

Diversity, equity and inclusion | Sustainability | Tieto