System/DevOps Engineer (m/f/d)

About the Position

System/DevOps Engineer (m/f/d)

Join T-Systems as a System/DevOps Engineer for a role focused on integrating and managing a Converged Charging System on a Kubernetes-based private cloud.

Responsibilities

• Develop technical concepts, system specifications, and interface designs for the Online Charging System and connected systems.
• Install, configure, operate, and continuously improve complex production systems and services.
• Monitor availability, performance, and capacity, ensuring resilience, redundancy, and failover capability.
• Perform hands-on incident, problem, and root cause analysis using logs, metrics, and monitoring data.
• Analyze and implement requirements related to charging, rating, billing, and comparable business logic.

Requirements

• Kubernetes & Cloud Infrastructure: Expertise in container orchestration (Kubernetes) on private cloud environments, including cluster deployment, configuration, and lifecycle management.
• Telecom Core & Charging Systems: Deep understanding of Online Charging Systems (OCS), Converged Charging Systems (CCS), rating/billing logic, and domain-specific protocols.
• System Design & Interface Integration: Ability to author technical specs, design APIs/interfaces, and handle complex software integration with connected partner systems.
• Observability & Incident Analysis: Advanced log/metric analysis and hands-on root cause diagnosis to troubleshoot complex production incidents and high-throughput telecom traffic.
• High Availability & Resilience: Mastery in engineering redundant systems, failover mechanisms, capacity planning, and proactive monitoring to guarantee high uptime.
• Release & Vendor Coordination: Experience managing software upgrades, migrations, and rollouts while collaborating with external suppliers and cross-functional international teams.

We Offer

Work environment & flexibility

• International, dynamic, and collaborative environment.
• T-Social: social initiatives (sports, community, health,...).
• Hybrid work model (remote/on-site).
• Flexible working hours.

Growth & development

• Customized training: access to Coursera to learn whatever you want, whenever you want.
• Weekly language classes (English & German).
• International Mentoring Sessions & Experience Days.

Compensation & benefits

• Flexible compensation plan (health insurance, meal vouchers, childcare, transport).
• Telemedicine.
• Life and accident insurance.
• Social fund.

Wellbeing & time off

• 26+ working days of vacation per year.
• Free access to specialist services (medical, legal, wellness).
• 100% salary coverage during medical leave.

And many more advantages of being part of T-Systems!

About the Company

T-Systems is part of the Deutsche Telekom Group, with around 30,000 employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers’ experience.

We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.

If you are looking for a new challenge, do not hesitate to send us your CV! Please send CV in English. Join our team!

T-Systems Iberia will only process the CVs of candidates who meet the requirements specified for each offer.