Hi, my name is

Lukasz Sarnecki

System/DevOps Engineer

I read, code and drink too much coffe

<b>Lukasz</b> Sarnecki
  • 15 + Years of Experiences
  • 2500 Coffees
    consumed
DevOps Engineer

my skills

Growing Over Times
Docker
59%
Podman
45%
Bash
68%
Linux
79%
Windows
47%
OS X
45%
Jenkins
56%
Zabbix
55%
Ansible/Terraform
60%
Openshift
48%
AWS/Azue
47%
Proxmox
56%
Skills

Resume

my story
Professional and Volunteer Experience
SYSTEM ENGINEER/DEVOPS
SoftSystem sp z o o
MAY 2013 - FEBRUARY 2025
  • I designed and maintained scalable Linux/AIX-based test environments, integrated with Agile processes, ensuring efficient testing and rapid application development iterations.
  • I managed containers using Docker and Podman, including creating optimized images and orchestrating containers to ensure high performance and scalability.
  • I automated CI/CD processes in Jenkins and GitLab CI/CD, covering application deployment and automated testing, which significantly shortens deployment time and reduces the risk of errors.
  • I handled Infrastructure as Code (IaC) using Ansible and Terraform, enabling efficient resource management in AWS and Proxmox, and eliminating manual operations.
  • I administered virtualized environments in Proxmox, encompassing node configuration, resource optimization, and the implementation of backup policies to ensure high availability.
  • I monitored systems and applications using Zabbix and other available tools, providing proactive incident detection and maintaining high reliability in production environments.
  • I automated operational tasks through Bash and Python scripts, covering configuration management, data backups, and process optimization.
  • I supported the development team by diagnosing and resolving issues in both test and production environments, ensuring stability and efficiency for the applications.
  • I configured network applications such as Apache and Nginx.
  • I diagnosed and resolved technical issues related to hardware and software.
SENIOR TECHNICAL SUPPORT SPECIALIST AT APPLE
Teleperformance - Germany
SEPTEMBER 2007 - APRIL 2013
  • I provided technical support to over 1,000 customers annually, covering the operation, configuration, and administration of Apple products (macOS, iOS, iPod, iPad, iPhone, AirPort, Apple TV, Time Capsule).
  • I monitored technical issues, escalated incidents, and maintained communication with other Apple departments, service providers, and vendors to ensure swift and effective solutions.
  • I offered subject matter support to new employees regarding Apple product knowledge, customer service, and the use of internal systems.
  • I built and maintained positive relationships with users through a professional and empathetic approach, contributing to increased customer satisfaction and loyalty.
CUSTOMER ADVISOR
AVANS
FEBRUARY 2007 - JULY 2007
  • I actively built and consistently maintained long-term relationships with individual clients, ensuring their satisfaction and loyalty.
  • I successfully met sales targets, achieving the desired results.
  • I professionally handled complaints, meticulously managed them, and reliably met agreed-upon resolution deadlines.
  • I regularly and accurately conducted inventory checks, ensuring optimal resource management and minimizing shortages.
  • I maintained a neat and appealing product display, creating a welcoming and professional shopping environment for customers.
  • I carefully received deliveries, verifying their accuracy and keeping thorough receiving documentation.
  • I completed in-house training on product specifications, modern sales techniques, and advanced customer service, enabling ongoing professional development and increased efficiency.
DEPUTY CASH DEPARTMENT MANAGER
Geant Poland
JUNE 2006 - FEBRURARY 2007
  • I managed a team of employees, ensuring the smooth operation of the checkout department and effective work organization.
  • I supervised customer service within the department, at service points, and at checkout stations, maintaining high service standards.
  • I made decisions in conflict situations with customers and effectively resolved issues, ensuring mutual satisfaction.
  • I enforced compliance with checkout procedures, ensuring all transactions followed internal regulations.
  • I accurately settled cashier accounts and prepared detailed financial reports.
  • I collaborated with the central cash department, optimizing checkout operations and streamlining processes.
  • I organized training sessions for employees on customer service, operating the checkout, and proper cash handling.
  • I maintained the aesthetics of checkout lines, upheld cleanliness standards, and adhered to health and safety regulations.
  • I opened and closed checkout lines in accordance with store procedures, ensuring operational continuity.
  • I made daily decisions regarding store operations, supervised work schedules, and followed all relevant regulations.
VOLUNTEERING – SZLACHETNA PACZKA AND AKADEMIA PRZYSZŁOŚCI
Wiosna (Spring) Association
JULY 2017 - obecnie

Logistics Coordinator at Szlachetna Paczka and Akademia Przyszłości - present
I managed a dynamic team of logistics specialists, delegating tasks and tackling challenges under shifting circumstances. I coordinated logistics processes—most notably, organizing the warehouse during the “Weekend of Miracles”—while regularly reporting progress to the Head of Logistics and overseeing budget compliance.

Implementation Specialist at Szlachetna Paczka - present
I conducted training sessions for new volunteers, flexibly adapting my teaching methods to the situation at hand, and supported them in becoming fully prepared for their roles in the project.

Implementation Coordinator at Szlachetna Paczka and Akademia Przyszłości
I built and supervised a team of implementation specialists, assigning tasks strategically and reacting swiftly to issues under time pressure. I ensured that all implementation processes ran smoothly and provided timely reports to the Head of Implementation.

Leader in Szlachetna Paczka
I guided a team of volunteers, effectively delegating responsibilities and swiftly resolving operational hurdles. I also took charge of organizing the local warehouse and delivered consistent performance reports to the Operations Manager.

Education
COLLEGIUM WITELONA STATE UNIVERSITY IN LEGNICA
Inżynier IT - Systemy i Sieci Komputerowe
WRZESIEŃ 2008 - MARZEC 2012

I completed an engineering degree in Computer Systems and Networks, where I acquired knowledge in designing, implementing, and managing IT infrastructure, with a particular focus on operating systems and network technologies. During my studies, I participated in team-based practical projects, which allowed me to develop teamwork, coordination, and effective communication skills.

History

Blog

my Articles and Advice

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Contact

Let’s Talk About Ideas
Adress
Poznań
Email
kontakt@lukaszsarnecki.pl
GitHub
https://github.com/lukaszsarnecki
Linkedin
https://www.linkedin.com/in/lukaszsarnecki

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