Networking Engineer

  • Łódź
  • Any contract

About company


Our domains are payments, IoT and biometrics. Thanks to our solutions, it is possible to digitalize payment cards and use the phone as a multi-tasking device. Opening a car with a selfie? No problem! Our producst are used by the best global IT and Telco brands, and we care for the safety of users' data.


Our goal is to create your own products based on the latest technologies. The key to success are teams: autonomous, interdisciplinary, covering all the necessary skills.


Of course, in Lodz! Sometimes even in the yard of our historic villa, on deckchairs... This is where the best ideas come up!


Experience level: Mid

Experience with:

  • site-to-site VPN troubleshooting
  • forward/reverse proxy troubleshooting
  • TCP performance troubleshooting
  • troubleshoot connectivity/reachability issues for TCP flow
  • Understanding of OSI (7-layers) and TCP/IP (4-layers) network models
  • Firewall, WAF
  • IPv4 protocol (routing concept, ICMP signalling, how tcp traceroute and traceroute works)
  • Troubleshooting networking issues in linux OS
  • NAT, PAT on Linux and firewalls
  • TCP protocol basics 
  • TLS protocol
  • HTTP protocol 
  • Haproxy, nginx configuration

Necessary and we can teach you:

  • understanding how Ethernet works (and Layer-2 switching concept in general)


  • Undertanding of SMPP protocol, OTA (binary) SMS structure
  • Knowledge of Mobile Core network 
  • SCP80/SCP81 protocol details

Project you can join

You'll work in the area of Connectivity with Machine2Machine (M2M) solutions. Our product allows for remote eSIM cards management for many high-profile customers. You'll be dealing with platforms for Mobile Operators and IoT device manufacturers. Your main responsibility will be to support our deployment team and clients in integration between respective systems.

Your day to day work at IDEMIA will include:

- connecting with client environments via HAProxy, VPN and 2-way SSL

- integrating our components between different clusters and data centers

- writing scripts automating your work with configuration, logs and API operations

- use of Kanban (JIRA) for work organization and co-operation with teammates and project teams

- use of Confluence for project documentation and knowledge sharing

- (optionally) work with Kubernetes cluster that uses Git repository synchronization (Infrastructure/Configuration as Code) to deploy applications written in Java/Scala which connect to Galera, Cassandra and Redis DB clusters

We offer:

- an environment interested in your uniqueness and any ideas you might have

- open discussions with the product development and QA teams to make the product, processes and general co-operation better

- a direct and honest atmosphere, which allows you to talk openly with anyone in the organization

space to constantly develop your skills and learn from the best :)

Work environment

  • Flexible working hours
  • Office hours: 07:00 - 18:00


  • Healthcare package
  • Leisure package
  • Cold beverages
  • Hot beverages
  • Fruits
  • Snacks
  • Adaptation tips
  • Temporary housing
  • Help finding an apartment
  • Visa Services
  • Sign up bonus
  • Flight ticket
  • Conferences
  • Trainings
  • Books
  • Car parking
  • Bicycle parking
  • Shower
  • Chill room
  • Integration events

Will contact you

Senior Recruiter
Ania stawicka
Senior Recruiter
Senior Recruiter

Contact this employer

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Recruitment process

Send your resume
Set up a meeting
Meeting and interview with team leader
Decision and feedback