Secure Build, Release & Observability Engineer (DevOps Engineer) (m/f/d)
Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.
Job DescriptionEstablish and operate the build, release, and observability backbone required for Meridian technical due diligence, code quarantine, reproducible software validation, controlled deployment preparation, and reliable engineering handover across cloud platform components
Role focus
This infrastructure and operations role focuses on CI/CD pipelines, artefact flows, release evidence, build reproducibility, observability, and operational controls. The candidate should make complex engineering environments measurable, supportable, and auditable while enabling AI-assisted code validation and documentation workflows
WHAT WILL YOU DO?
- Design and operate CI/CD pipelines for repository intake, build execution, image creation, artefact promotion, environment deployment, and evidence generation
- Implement release controls for private registries, package sources, signing, SBOM generation, vulnerability scanning, dependency provenance, and approval workflows
- Create observability across build systems, workflow services, repositories, test environments, model endpoints, and platform components using logs, metrics, traces, and dashboards
- Support troubleshooting of build failures, flaky pipelines, missing dependencies, environment drift, performance bottlenecks, and handover-readiness gaps
- Partner with software, SRE, testing, and security teams to define runbooks, operational KPIs, risk indicators, and audit-ready evidence packs for release decisions. Examples of market tools, models, and platform components expected
- CI/CD and release tools such as GitLab CI, Jenkins, ArgoCD, Tekton, GitHub Enterprise, Helm, Docker, Kubernetes, Kaniko, BuildKit, Nexus, Harbor, or Artifactory.
- Security and supply-chain tooling such as Trivy, Grype, Syft, Cosign, SLSA-oriented controls, SBOM workflows, dependency scanning, secrets detection, and policy gates.
- Observability stacks such as Prometheus, Grafana, Loki, OpenTelemetry, ELK/OpenSearch, Alertmanager, log aggregation, dashboarding, and automated health checks.
- AI engineering integrations such as code-scanning workflows, model-backed log analysis helpers, documentation generators, internal model gateways, and workflow execution services.
- Infrastructure automation using Terraform, Ansible, Helm, Python, Bash, GitOps patterns, private networks, controlled proxies, package mirrors, and secure secrets management.
YOU WILL SUCCEED IF YOU:
- 5+ years in DevOps, SRE, release engineering, platform operations, infrastructure automation, or secure build engineering roles.
- Strong hands-on experience with CI/CD systems, Kubernetes-based delivery, container builds, private registries, artefact management, and release automation.
- Practical knowledge of observability, incident response, operational dashboards, runbooks, SLA/SLO thinking, and troubleshooting distributed engineering environments.
- Good understanding of software supply-chain security, SBOMs, image scanning, secrets handling, dependency provenance, and audit-ready release evidence.
- Comfortable operating in confidentiality-sensitive programs where reproducibility, traceability, controlled access, and structured collaboration with engineering teams are essent
WHY SHOULD YOU CHOOSE US?
We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas:
- Financial benefits
- Benefits with focus on learning and development
- Benefits with focus on health and sport
- Benefits with focus on family and work – life balance
- Other benefits
For more information about our benefits click to Benefits
Salary
Final salary is negotiable.
We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 2100€ /brutto.
Additional information
* Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.
Skills Required
- 5+ years in DevOps, SRE, release engineering, platform operations, infrastructure automation, or secure build engineering
- Hands-on experience with CI/CD systems and release automation (GitLab CI, Jenkins, Tekton, ArgoCD, GitHub Enterprise)
- Experience with container builds and Kubernetes-based delivery (Docker, Kubernetes, Kaniko, BuildKit, Helm)
- Knowledge of artifact and registry management (Nexus, Harbor, Artifactory) and private package sources
- Practical knowledge of observability and monitoring stacks (Prometheus, Grafana, Loki, OpenTelemetry, ELK/OpenSearch, Alertmanager)
- Understanding of software supply-chain security: SBOM generation, image scanning (Trivy, Grype, Syft), signing (Cosign), dependency provenance, and SLSA-oriented controls
- Experience with infrastructure automation and scripting (Terraform, Ansible, Helm charts, Python, Bash) and GitOps patterns
- Familiarity with secrets management, controlled networks/proxies, package mirrors, and confidential program operational controls
- Operational skills: runbook creation, SLA/SLO thinking, troubleshooting distributed engineering environments, and producing audit-ready evidence
What We Do
Deutsche Telekom IT Solutions Slovakia is a dynamically developing company providing its services in the ICT sector. Within the Deutsche Telekom group, Deutsche Telekom IT Solutions offers services as an outsourcer, specializing in corporate clientele in Germany, in the European Union and further across the globe. Thanks to its size, scope of operation and service quality, Deutsche Telekom IT Solutions Slovakia makes a sound contribution to the Deutsche Telekom brand being number one on the German market and ranked amongst the top four ICT service providers in Europe. And we can guarantee that our jobs are as exciting and varied as our business! Deutsche Telekom IT Solutions Slovakia considers its people to be the most important asset and competitive advantage - our employees are highly educated, reliable, ambitious, and flexible. Job Opportunities - Join Us! Find a fulfilling job with opportunities for personal and professional growth. Whether you are a graduate, a professional or an executive - let's work together to drive digitization forward! Challenge yourself with exciting projects, and enjoy our attractive salaries and benefits. We are hiring! You can find your perfect entry route at https://telekom.jobs/careers-sk-en Privacy Policy - https://rec.telekom.com/content/Data-Protection/?locale=sk_SK







