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Hi, I am Christian

Christian Colic

DevOps Engineer at Swisscom

DevOps Engineer with 10+ years of IT experience, specializing in Kubernetes, cloud native technologies and solving complex IT challenges. As a certified Kubestronaut, I bring deep expertise in container orchestration, infrastructure automation, and GitOps practices.

I focus on helping organizations adopt and optimize Kubernetes environments, implement GitOps workflows, and build robust cloud native infrastructure.

With a Bachelor of Science in Computer Science and broad foundational expertise across the full IT stack, my passion lies in creating reliable, scalable infrastructure solutions and sharing knowledge through workshops and community engagement.

Kubestronaut

Experiences

1
Swisscom

07.2022 - Present

Bern, Switzerland

Switzerland’s leading telecommunications provider

DevOps Engineer for TelcoCloud Infrastructure

07.2022 - Present

Responsibilities:
  • Leading the initiatives to standardize coding practices and automation architecture across our platform engineering team
  • Operating and maintaining Swisscom’s TelcoCloud Infrastructure (TCI), a cloud platform serving critical telecommunications workloads
  • Managing large-scale Kubernetes clusters, OpenStack environments, software-defined storage systems, and software-defined network fabric infrastructure
  • Designing and implementing GitOps workflows and CI/CD pipelines for infrastructure automation and deployment orchestration
  • Building and maintaining comprehensive monitoring and observability solutions using Prometheus, VictoriaMetrics, and Grafana
  • Developing infrastructure automation using Ansible, GitLab CI/CD, Python, and other DevOps tooling
  • Conducting technical workshops and knowledge-sharing sessions on GitOps, ArgoCD, and cloud native best practices for the team
  • Troubleshooting complex infrastructure, networking, and platform issues in production telco environments
  • Contributing to architectural decisions, technical documentation, and platform engineering standards
  • Implementing security measures and best practices across the cloud infrastructure stack
Netcloud

02.2017 - 06.2022

Bern, Switzerland

Leading Swiss ICT partner specializing in networking, security, and cloud infrastructure

Cyber Security Engineer / Cyber Defence Center

08.2018 - 06.2022

Responsibilities:
  • Designed, built, and operated Netcloud’s Cyber Defence Center from scratch, establishing core infrastructure for day-to-day security operations
  • Maintained and continuously improved the team’s hardware and software infrastructure including SIEM and SOAR systems
  • Managed and automated Linux (RHEL) systems, monitoring solutions, and security infrastructure using Ansible
  • Served as 2nd/3rd Level Cyber Security Engineer, handling complex security incidents and threat analysis
  • Lead Engineer for implementing cyber security services for multiple enterprise customers
  • Ensured stable operations and high availability of critical security monitoring infrastructure
Network Operations Center Engineer

02.2017 - 07.2018

Responsibilities:
  • Resolved complex customer issues across diverse technologies including routing, switching, security, firewalls, storage, and virtualization
  • Provided technical support and troubleshooting for enterprise networking infrastructure
  • Managed incident escalation and collaborated with specialized teams for advanced problem resolution
  • Gained broad hands-on experience with enterprise ICT infrastructure and operations
2

Education

Bern University of Applied Sciences (BFH)
2015-2020
Bachelor of Science in Computer Science
T-Systems Schweiz
2010-2014
IT Apprenticeship

Skills

Kubernetes & Container Orchestration

Expert-level Kubernetes administration and architecture. Kubestronaut certified with comprehensive knowledge of cluster management, deployment strategies, security, and troubleshooting.

GitOps & CI/CD

Experienced with GitOps workflows using ArgoCD, Flux, and GitLab CI/CD. Designing and implementing automated deployment pipelines and infrastructure as code practices.

Monitoring & Observability

PCA certified. Proficient in Prometheus, VictoriaMetrics, Grafana, and AlertManager. Designing comprehensive monitoring solutions and writing PromQL queries for complex metrics.

Programming & Scripting

Proficient in Python, Golang, and Rust for automation, tooling, and infrastructure development. Writing maintainable, scalable code for DevOps workflows.

Infrastructure Automation

Extensive experience with Ansible, Puppet, Terraform, and Infrastructure as Code. Automating infrastructure provisioning, configuration management, and deployments.

Networking

Strong networking fundamentals including Routing, Switching, network troubleshooting, DNS, load balancing and VPNs

Storage & Databases

Experience with PostgreSQL, MySQL, and various storage solutions including Rook Ceph and Longhorn. Database administration and backup strategies.

Linux System Administration

RedHat certified, Expert Linux administrator with deep knowledge of system internals, shell scripting, performance tuning, and security hardening.

Security & Compliance

GIAC certified security professional with hands-on experience as an Incident Response Engineer in a Cyber Defence Center. Expertise in threat detection, incident response, SIEM/SOAR operations, and implementing security best practices across cloud native infrastructure.