Features

What I Do

Cloud Infrastructure Management

Managing and optimizing AWS infrastructure to ensure high availability and cost efficiency.

SRE Practices

Implementing Site Reliability Engineering practices to improve service reliability and performance.

Automation Scripting

Creating Python and shell scripts to automate routine tasks and ensure system compliance.

20+ Years of Experience

My Resume

Features

Programming Skills

Python
Bash
Ruby
JavaScript
SQL
Features

Infrastructure Skills

AWS
Kubernetes
Unix
DevOps
IIoT
1998 - 2010

Education Quality

Master's Degree

The Academy of Information Technology (2008 - 2010)
4.30/5

Specialization: Information Technology

Bachelor's Degree

The University of Humanities and Economics in Lodz (2003 - 2008)
4.50/5

Specialization: Information Technology

2001 - 2024

Courses

AI Devs 2 - Connect GPT-4 with application and automation logic

2023

Learn to integrate GPT-4 into your applications and automate processes effectively.

AI Devs - programowanie w parze z AI

2022

Explore the collaborative programming paradigm where AI assists in development.

AppSync - The AppSync Masterclass

2021

This masterclass covers advanced AppSync features and integration strategies.

CloudFormation – AWS w praktyce – pierwszy project w chmurze

2021

Hands-on course to help you start your first project in AWS using CloudFormation.

Data Lake. Analiza danych w chmurze AWS

2020

Learn to create and manage data lakes on AWS for efficient data analysis.

An in-depth course on using GraphQL for querying and manipulating data efficiently.

Comprehensive training on building dynamic web applications using React.

Serverless – od zera do bohatera

2019

Master the basics of serverless architecture and build scalable applications.

Kubernetes od podstaw

2018/2019

Introduction to Kubernetes, covering core concepts and practical usage.

AP33PL - AIX Jumpstart

IBM
2012

A foundational course to get started with AIX system administration.

AU61 - HACMP System Administration II: Administration and Problem Determination

IBM
2010

Advanced HACMP administration focusing on problem determination and resolution.

RH300 - RHCE Rapid Track Course and RHCE Exam – RH300 for RedHat 5

RedHat
2010

Intensive course for experienced admins to earn RHCE certification quickly.

AU62 - HACMP System Administration 3: Virtualization and Disaster Recovery

IBM
2010

Covers virtualization and disaster recovery in HACMP environments.

AU54 - HACMP Systems Administration I: Planning and Implementation

IBM
2009

Introduction to HACMP planning and implementation for system administrators.

NW3 – Network Advanced

IBM
2008

Advanced networking concepts and practical network management skills.

AU73 – Logical Partitioning (LPAR) on Power5 pSeries Systems

IBM
2008

Focus on implementing and managing LPAR on Power5 systems.

AU20 - AIX Storage Management

IBM
2008

Learn AIX storage management techniques and best practices.

AU19 – AIX 5L System Administration V: Workload Manager

IBM
2008

Advanced AIX administration focusing on workload management.

AU18 - AIX 5L System Administration III: Performance Management

IBM
2008

Techniques for optimizing and managing AIX system performance.

AU14 – AIX 5L System Administration I: Implementation

IBM
2008

Introduction to AIX system administration and implementation.

ESX3 - Virtual Infrastructure w / ESX Server 3 & VirtualCenter 1

IBM
2007

Basics of virtual infrastructure setup using ESX Server 3 and VirtualCenter 1.

AU13G - AIX 5L Basics

IBM
2007

Fundamental course on AIX 5L for new system administrators.

CSPD – Customer Satisfaction and Problem Determination

IBM
2007

Focus on improving customer satisfaction through effective problem resolution.

LN2 – Lotus Notes Advanced

IBM
2007

Advanced features and administration of Lotus Notes.

LN1 – Lotus Notes Basics

IBM
2007

Introduction to basic functionalities and user management in Lotus Notes.

ITIL-IDC-ITIL V3 Foundation course - ITIL-IDC

IBM
2007

Foundation course covering ITIL V3 principles and practices.

2007 - 2024

Notable Positions

Site Reliability Engineer (SRE)

Philip Morris International
Nov 2021 - Jul 2024

SRE responsible for the infrastructure and service maintenance. Independently made critical decisions regarding infrastructure setup and maintenance. Utilized an internal portal for infrastructure management. Assisted developers in resolving AWS-related issues.

3rd Level AIX Administrator

Citi Bank International
Jan 2012 - Nov 2021

Support of Virtualization technology (VIOSes, HMC, Power Machines), writing scripts to automatize tasks, every day administration, contact vendors for hardware issues.

3rd Level Unix Administrator

IBM
Feb 2007 - Dec 2011

Administered Unix (Linux and AIX) systems, collaborated with teams, participated in planning and migrating to newer versions of AIX/VIOS, developed Perl and Shell scripts.

2001 - 2024

Job Experience

DevOps Engineer

Transition Technologies PSC
Nov 2021 - Present

Independent specialist hired to clients

Owner

ITSnap Krzysztof Józwiak
Jan 2018 - Present

Cloud specialist (AWS) Virtualization - AIX/VIOS/HMC support.

Site Reliability Engineer (SRE)

Philip Morris International
Feb 2023 - Jul 2024

Sole SRE responsible for the infrastructure and service maintenance. Independently made critical decisions regarding infrastructure setup and maintenance. Utilized an internal portal for infrastructure management. Assisted developers in resolving AWS-related issues.

Junior Site Reliability Engineer (SRE)

Philip Morris International
Nov 2021 - Feb 2023

Supporting developers, taking care about infrastructure, updates project infrastructure.

System Administrator

Citi
Nov 2014 - Nov 2021

Administered AIX servers, managed VIOS virtualization, supported LPARs, created Perl scripts.

Senior Unix System Administrator

Fujitsu
Feb 2014 - Oct 2014

Every day administration, contact vendors for hardware issues.

AIX Administrator for Citi Bank International (contractor)

SII Polska
Jan 2013 - Jan 2014

Support of Virtualization technology (VIOSes, HMC, Power Machines), writing scripts to automatize tasks, every day administration, contact vendors for hardware issues.

AIX administrator for Citi Bank International (contractor)

SII
Jan 2012 - Jan 2013

Every day administration of AIX systems, contact vendors for hardware issues.

IT Specialist

IBM
Feb 2007 - Dec 2011

Administered Unix (Linux and AIX) systems, collaborated with teams, participated in planning and migrating to newer versions of AIX/VIOS, developed Perl and Shell scripts.

PHP programmer

Doskomp
2005 - 2006

Creating Internet platform teleskop.org.pl, writing code in PHP and SQL.

Network administrator and PHP programmer

Polish Center of personnel and payroll
2005

Developing internal platform, developing application using PHP and SQL technology, managing Linux Intranet and Internet servers.

The administrator of internet servers and open-source teacher

NT GROUP Systemy Informatyczne
2004 - 2005

Preparing teaching path for Linux, PHP, MySQL, managing Internet servers.

Administrator of Internet servers

LSI Software
2003 - 2004

Preparing teaching path for Linux, PHP, MySQL, managing Internet servers.

Open-source teacher

LSI Software
2002 - 2003

Preparing teaching path for Linux, PHP, MySQL, managing Internet servers.

co-writer

Chip
2001 - 2003

Co-worker with magazine „Chip Special Linux” (4 articles published).

co-writer

Software Hacking
2002

Co-worker with magazine ”Software Hacking” (1 article published).

2007 - 2024

SRE / DevOps Certifications

Certified Solutions Architect – Associate

AWS

Certified SysOps Administrator – Associate

AWS

Certified Engineer – RedHat 5

Red Hat

Expired

LPIC-2

Linux Professional Institute

Expired

2022 - 2024

AI Certification

Me + AI

CampusAI Poland

Completed an in-depth AI training program, covering both theoretical and practical exercises. Developed skills in conversational models and ethical AI usage in various business and life scenarios.

AI Devs 2 - Connect GPT-4 with application and automation logic

AI_devs

A 5-week practical course on combining generative AI tools with application logic and automation tools. Issued Dec 2023.

AI Devs - programowanie w parze z AI

BRAVE.courses

Covers integrating AI into programming, focusing on practical applications with GPT-4, and hands-on experience connecting AI models with application logic and automation processes.

Pricing

My Pricing

Contact

Contact With Me

contact-img

Krzysztof Józwiak

SRE / Devops Freelancer

I am available for freelance work. Connect with me via and call in to my account.

Phone: +48790579537Email: krzysztof@itsnap.eu