I'm Andrej Manduch.-image

I'm Andrej Manduch.

I'm Brno based currently enjoying sabbatical and trying to broaden my horizons by doing courses about Web3 including Solidity, Blockchain, ipfs and libp2p.

But In my core my prime interrest are still linux, DevOps, and low level (closer to the hardware the better) programming.

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about-me-image

About me

A Linux aficionado with a penchant for low-level languages like C and system tools such as ftrace or SystemTap. I possess a deep curiosity about the inner workings of server infrastructures, especially in video streaming platforms. Skilled in kernel investigations and data visualization, I have a vision of crafting an innovative peer-to-peer streaming platform in the future.

  • Location:Brno, Czechia
  • Age:33
  • Nationality:Slovak / European

Education

Technical Highschool

High School at Stara Tura•2006 - 2010

Theoretical Computer science

Comenius University in Bratislava•2010 - 2012

I dropped out after 2 years but during my stay there I obtained reasonably good skills in Algorithm design, Programming, Math, Functional programming, Networking, Computer design.

Work

SW/HW Developer

EGMedical/EGMenergo s.r.o.•May 2021 - June 2023
  • Worked on small projects. Mostly writing firmware for small scientific devices, like special super precise pump, or marine device with a precission ph meter.
  • The biggest and main project that I work on are delivery boxes. One of our customers is GLS. I wrote the whole server side, managing web in angular, parts of frontend in boxes itself.

Verification engineer

Mavenir Systems Czech Republic s.r.o.•September 2018 – October 2020
  • Testing MMS and media transcoder telecomunication software
  • Managing infrastructure for our team, jenkins, OpenNebula, Ansible scripts.

Kernel Quality Engineer

Red Hat Czech s.r.o.•March 2014 - Jun 2018
  • I was responsible for writing and maintaining various tools which test and stress different parts of the Linux kernel.
  • Most of my responsibilities were managing and writing tools for testing RAS, memory corrections.
  • Life in Red Hat was one of the most profound experiences I've had. It showed me that big corporations can still allow for everybody to feel heard and make a difference. It was run very openly and it taught me a lot about how business and public corporations work.

System Administrator

Digmia s.r.o.•December 2012 - December 2013
  • Responsible for maintaining Linux and Solaris servers.
  • Technical owner of about 20 core mail servers.
  • I was responsible for one of the biggest free mail provides in the republic, and I gained a lot of experiences.

Skills

Spoken languages
English C1
Slovak Native
Computer Engineering
Languages C, Python, Bash, Javascript, Tcl, Java, Groovy
Networking Static Routing, OSPF, iptables, OpenVPN, MITMproxy, Wireshark, airmon-ng
Sys admin Bash, iptables, perf, ftrace, systemd/journald/..., apache, nginx, ...
Databases MySQL, PostgreSQL, Dynamodb, ScyllaDB
Queues RabbitMQ, ZMQ
AWS Lambda, Dynamodb, SNS, SQS, Step Function, S3, Cognito, EC2, Boto3
Email Zimbra, postfix, spamassasin
Monitoring Zabbix, collectd
DevOps Ansible, Docker/Podman, Swarm, Serverless, CloudFormation
CI/CD Jenkins, Avocado, pytest, beaker
Embedded ESP32/idf, ATmega, ATmini, Xmega, AVR32, STM32, Jocto Project (linux distro builder), OpenWRT

Get in touch.