Łukasz Siwiec

My LinkedIn

luksiw@gmail.com

My GitHub


Skills

  • Linux and Windows Server administration knowledge
  • Familiarity with a large selection of monitoring tools
  • Bash/Python/PowerShell/SQL
  • Knowledge of overall IT infrastructure principles (virtualization, databases, networking, etc)
  • AWS, Azure, Kubernetes, Git, CI/CD concepts
  • Management tools: AWX, Rancher, Chef, ArgoCD, Rundeck, TFE
  • Confluence, Jira, OpsGenie
  • English C1/C2, Polish native speaker

Certificates

AWS Certified Solutions Architect Associate
ID: 3MXH4LF17JB4Q19E

AWS Certified Developer Associate
ID: VFFEFLB1X1F4Q0S2

AWS Certified SysOps Administrator Associate
ID: X5983BB2XNE4QPKX

AWS Certified Cloud Practitioner
ID: X2W6WRP16JE1QWSG

Microsoft Certified: Azure Administrator Associate
ID: BCDB6B514CDE05A4

ITIL v4 Foundation
ID: GR671457301LS


Projects

Resume website
Uses AWS S3, CloudFront, ACM, Lambda, API Gateway, DynamoDB, CloudWatch, GitHub Actions

Work Experience

Senior Systems Engineer Cloud Operations

Kyriba Engineering Poland

April 2026 - Current
  • Participate in Kubernetes improvements and infrastructure migration initiatives
  • Investigate and resolve system and application incidents, identify root causes, and implement automated, scalable solutions to prevent recurrence
  • Guide and mentor junior engineers on best practices
  • Deploy and manage infrastructure in hybrid cloud environments using Terraform, Ansible, and ArgoCD
  • Develop automation workflows to streamline tasks including application deployment, OS patching, and system maintenance using Bash, Python, and Ansible
  • Work independently with minimal supervision on variety of projects

Systems Engineer Cloud Operations

Kyriba Engineering Poland

August 2023 - March 2026
  • Ensure availability, stability, and performance of a high-traffic financial SaaS platform
  • Maintain system reliability by proactively monitoring and troubleshooting issues across Linux (CentOS, Amazon Linux), Windows Server, and Kubernetes environments
  • Investigate and resolve system and application incidents, identify root causes, and implement automated, scalable solutions to prevent recurrence
  • Deploy and manage infrastructure in a hybrid cloud environment using Infrastructure as Code tools such as Terraform, Ansible, and ArgoCD
  • Develop automation workflows to streamline tasks including application deployment, OS patching, and system maintenance using Bash, Python, and Ansible
  • Collaborate on cross-functional projects, contributing to technical design, implementation, and support
  • Create and maintain technical documentation, operational procedures, and architecture diagrams to ensure knowledge sharing
  • Respond to and recover from hardware and software failures, coordinating with relevant teams to minimize downtime and ensure business continuity

Network Operations Center Specialist

Link Mobility Poland

October 2021 - July 2023
  • Proactively monitored messaging platforms, infrastructure, and traffic using ELK, op5, Nagios, Zabbix, Icinga, Graylog, Homer, Logic Monitor, and Grafana
  • Performed initial troubleshooting and resolved basic issues related to Ubuntu, Docker, and Java-based applications
  • Administered and optimized monitoring solutions
  • Handled incident management process
  • Monitored SMS traffic for fraud-related activities
  • Detected, analyzed, and responded to system incidents
  • Maintained direct contact with service providers and 3rd parties
  • Created and updated knowledge base articles using Atlassian Confluence

IT Infrastructure Monitoring Specialist

Tauron Obsługa Klienta

October 2013 - September 2021
  • Monitored infrastructure, networks, systems, and ICT services using op5, Dynatrace APM, vROps, and vCenter
  • Conducted security monitoring using IBM QRadar
  • Diagnosed and classified events, and informed stakeholders in accordance with procedures
  • Created new monitoring solutions and maintained monitoring environments using op5
  • Managed incidents and coordinated repair works
  • Prepared reports and cooperated with ICT coordinators of designated areas
  • Accepted applications from users and IT departments
  • Participated in the operation, maintenance, and development of monitoring and surveillance

Junior Pre-Production Specialist

ELMAX EPPHU S.C.

April 2013 - September 2013

Education

Silesian University of Technology
2008 - 2013

Bachelor of Science in Macrofaculty (Control, Electronic and Information Engineering)


Wyższa Szkoła Technologii Informatycznych w Katowicach
2013 - 2014

Postgraduate studies in CISCO Network Administration