System/DevOps Engineer (m/f/d)

Job ID: 744000153444284

System/DevOps Engineer (m/f/d)

A Coruña, Bilbao, Gijón, Granada, Madrid, Reus, Seville, Valencia

Professional

Regular

T-Systems Iberia

Your Task

The DevOps team is responsible for the technical integration, production operation, lifecycle management and continuous development of the Online Charging System supporting prepaid voice and messaging services. Its scope includes system and interface design, monitoring, incident and problem analysis, release management, supplier coordination, upgrades, migrations and production rollouts. A key focus is the introduction of a new Converged Charging System from an external supplier on a Kubernetes-based private cloud. The team will be responsible for its technical integration, migration, operational readiness and future production operation. The team collaborates closely with project management, validation management, suppliers and the owners of connected partner systems in an international environment.

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 and ensure 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

Your Profile

We are looking for a DevOps Engineer with expertise in Kubernetes-based cloud infrastructure, telecom charging systems, and high-availability production operations. The ideal candidate will have deep technical knowledge in container orchestration, online charging systems, system integration, and incident analysis to support the technical integration and operation of a Converged Charging System.

Must Have Skills

• Expertise in container orchestration with Kubernetes on private cloud environments
• Experience with Kubernetes cluster deployment, configuration, and lifecycle management
• Deep understanding of Online Charging Systems (OCS)
• Deep understanding of Converged Charging Systems (CCS)
• Knowledge of rating and billing logic
• Understanding of domain-specific telecom protocols
• Ability to author technical specifications
• Ability to design APIs and interfaces
• Experience with complex software integration with connected partner systems
• Advanced log and metric analysis skills
• Hands-on root cause diagnosis capabilities
• Ability to troubleshoot complex production incidents
• Experience troubleshooting high-throughput telecom traffic
• Mastery in engineering redundant systems
• Expertise in failover mechanisms
• Experience with capacity planning
• Proactive monitoring skills to guarantee high uptime
• Experience managing software upgrades, migrations, and rollouts
• Experience collaborating with external suppliers
• Experience working with cross-functional international teams

About Us

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.

Benefits

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

Application Information

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

Additional Details

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

Job Benefits

Health & Insurance

• Flexible compensation plan (health insurance, meal vouchers, childcare, transport)
• Telemedicine
• Life and accident insurance
• 100% salary coverage during medical leave

Work-Life Balance

• Hybrid work model (remote/on-site)
• Flexible working hours
• 26+ working days of vacation per year

Lifestyle & Wellness

• T-Social: social initiatives (sports, community, health, ...)
• Free access to specialist services (medical, legal, wellness)
• Social fund

Professional Development

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