Senior DevOps Engineer - Network/Infrastructure

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Košice, SVK
Hybrid
Information Technology
The Role
Company Description

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 Description

WHAT WILL YOU DO?

  • Design and manage cloud and hybrid network architectures (VPCs, VNets, subnets, routing, peering)
  • Automate network provisioning and infrastructure using Infrastructure as Code (IaC) tools (e.g., Terraform, Ansible)
  • Implement and maintain load balancing, DNS, and traffic routing solutions
  • Ensure secure network design, including firewalls, VPNs, Zero Trust models, and segmentation
  • Optimize network performance, latency, and throughput for distributed systems
  • Integrate networking into CI/CD pipelines for automated deployments and environment setup
  • Monitor network health and troubleshoot complex connectivity issues across environments using observability tools
  • Drive adoption of container networking (e.g., Kubernetes CNI, service meshes)
  • Collaborate with security, platform, and development teams to align networking with application needs
  • Research and implement innovative technologies to enhance infrastructure automation and optimize development processes
  • Support project teams with consulting, proof-of-concept solutions, and continuous infrastructure optimization

Qualifications

YOU WILL SUCCEED IF YOU:

  • Meet the general requirements
    • Master´s degree in Information technologies
    • Strong troubleshooting capability & skills in complex distributed automation environments
    • Ability to think in end-to-end service models, not just device-level configs
    • Ability to translate business/service requirements into technical workflows
    • Attention to detail
    • Ability to mentor and coach team members
    • Ownership mindset: takes issues end-to-end until resolution
    • Strong cross-team collaboration skills (Dev, Ops, ServiceNow, vendors)
    • Ability to clearly communicate technical concepts to different audiences
    • Proactive in identifying improvements and optimization opportunities
    • English – Upper intermediate (B2)
  • Have experience with NSO & Python
    • Experience with network automation frameworks (e.g. Cisco NSO, Ansible, Terraform, Python)
    • Understanding of infrastructure as code / network-as-code principles
    • Strong experience developing and maintaining Cisco NSO service packages
    • Deep understanding of NSO architecture, service models (CFS/RFS), FASTMAP and service plan lifecycle
    • Solid Python3 skills with strong OOP principles and experience in transactional systems
    • Maintain NSO Application and be the go-to resource for NSO topics and issues
    • Ability to work with APIs and data models (REST, JSON/YANG)
    • Experience with automated testing frameworks (Robot Framework preferred)
  • Understand Network Architecture
    • Solid understanding of networking fundamentals (L2/L3, BGP, VPNs, IPsec, VRF, segmentation)
    • Worked within a Network Operations or Engineering environment
    • Experience of Cisco ACI, IOX-XE, NXOS
  • CI/CD & release governance
    • Experience and knowledge of Git-based workflows and CI/CD pipelines (build, test, release)
    • Experience with release management in multi-service network automation platforms.
    • Good Linux knowledge including scripting and containerized environment

    Additional Information

    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 2600€ /brutto.

    Additional information

    * Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.

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    The Company
    Kosice
    2,383 Employees
    Year Founded: 2006

    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

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