Site Reliability Engineer
Middle/Senior DevOps Engineer (OpenShift, On-Prem) – Tieto Tech Consulting (m/f/d)
Warsawfulltimesenior
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Warsaw, Poland
- Full-time
- Technical and Functional Expertise
- Hybrid
- Tieto Tech Consulting
Job Description
Tieto Tech Consulting, is looking for a highly skilled and motivated Middle/Senior DevOps Engineer (OpenShift, On-Prem), a professional who will join a project within a Telecom Team for our respectful 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! TietoEvry-BICS team has been growing since 2010… and we are looking forward to grow with you!
- Develop your telecom expertise in 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.
- Become a part of the international 24/7, follow-the-sun telecom team with presence from Brazil to Singapore.
Tietoevry - BICS team has been growing since 2010… and we are looking forward to growing with you!
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 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 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 or equivalent certifications (including Red Hat OpenShift), with at least 4 years in IT infrastructure or platform engineering.
- Proven hands-on experience deploying, operating, and maintaining OpenShift / Kubernetes platforms in enterprise or on-premise environments.
- Strong experience with CI/CD pipelines, particularly using GitLab CI and/or Jenkins.
- Solid background in Linux system administration, especially Red Hat Enterprise Linux (RHEL), including design and maintenance of enterprise Linux infrastructure.
- Practical experience with infrastructure automation using Ansible or similar tools.
- Scripting skills using Bash and/or Python for automation and operational tasks.
- Experience with GitOps practices and tools such as ArgoCD or Flux.
- Ability to document architectures, configurations, and standards, and to develop and maintain SOPs and technical documentation.
- Upper-intermediate level of English (both spoken and written).
Will be an advantage
- Bachelor’s degree in IT, Engineering or Computer Science.
- Familiarity with Infrastructure as Code tools such as Terraform is a plus.
- Experience working with virtualization platforms (e.g., VMware) is an advantage.
- Knowledge of ITIL Service Operations principles.
- Experience with ArgoCD, monitoring/observability stacks (Prometheus, Grafana, etc.), or disaster recovery tooling (optional but valuable).
Personality & Soft Skills
- Solution-oriented mindset.
- Strong analytical and technical problem-solving abilities.
- Ability to work autonomously with minimal guidance, operate at multiple levels of abstraction, and handle ambiguity effectively.
- Ability to understand business drivers, stakeholder expectations, and translate them into technical solutions.
- Ability to balance strategic considerations with operational practicality.
- Excellent communication and collaboration skills; capable of influencing, guiding, and leading distributed technical teams.
- Ability to produce high-quality architectural documentation and visual design diagrams (e.g., Visio).
- Passionate about technology and its impact on business outcomes.
- Highly motivated team player with a “can-do” attitude, dedication, transparency, and integrity.
- Comfortable working in a multicultural, international environment.
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
Stay alert to recruitment scams:
- Tieto only communicates via @tieto.com email addresses.
- We never ask candidates to pay fees or share financial details during recruitment.
- If you receive a suspicious message claiming to be from Tieto, don't respond — verify it via our official careers site.
- For more information visit Important Advisory Regarding Recruitment Fraud | Tieto Blog
We provide customers across different industries with mission-critical solutions through our specialized software businesses Tieto Caretech, Tieto Banktech and Tieto Indtech as well as Tieto Tech Consulting business.
Our around 14 000 talented vertical software, design, cloud and AI experts are dedicated to empowering our customers to succeed and innovate with latest technology.
Tieto’s annual revenue is approximately EUR 2 billion. The company’s shares are listed on the NASDAQ exchange in Helsinki and Stockholm, as well as on Oslo Børs.
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