Łukasz Siwiec

luksiw@gmail.com

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

Kyriba Engineering Poland

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

Kyriba Engineering Poland

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

Link Mobility Poland

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

Tauron Obsługa Klienta

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

ELMAX EPPHU S.C.

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

Postgraduate studies in CISCO Network Administration