O2 Czech Republic tech stack

O2 Czech Republic builds mostly with PowerShell, SQL, Bash, Python. Its stack also includes Linux, SIEM, PyTorch, TensorFlow. PowerShell is named in 5 of the 14 job postings O2 Czech Republic published in the last 12 months (36%). Counted by Alion from the job postings of O2 Czech Republic, updated Oct 17, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 17, 2026
Technologies in use
25
Postings analysed
14
Open now
8
Modernity
65 /100
New in 6 months
4

What programming languages does O2 Czech Republic use?

PowerShell is named in 36% of job postings at O2 Czech Republic, followed by SQL (36%), Bash (29%), Python (29%).

PowerShell 5 36% required in 100% · 3 open now · since Sep 2026
SQL 5 36% required in 100% · 4 open now · since Jul 2026
Bash 4 29% required in 100% · 2 open now · since Sep 2026
Python 4 29% required in 100% · 2 open now · since Jul 2026

What frameworks and libraries does O2 Czech Republic use?

PyTorch is named in 7% of job postings at O2 Czech Republic, followed by TensorFlow (7%).

PyTorch 1 7% required in 100% · 1 open now · since Jul 2026
TensorFlow 1 7% required in 100% · 1 open now · since Jul 2026

What cloud and platforms does O2 Czech Republic use?

Linux is named in 21% of job postings at O2 Czech Republic, followed by SIEM (21%), Windows (21%), Azure (14%).

Linux 3 21% required in 100% · 3 open now · since Jun 2026
SIEM 3 21% required in 100% · since Sep 2026
Windows 3 21% required in 100% · 2 open now · since Sep 2026
Azure 2 14% required in 100% · 2 open now · since Jul 2026
VMWare 2 14% required in 100% · 2 open now · since Jun 2026
Active Directory 1 7% required in 100% · since Sep 2026
GitHub 1 7% required in 100% · 1 open now · since Jul 2026
Postman 1 7% required in 100% · 1 open now · since Sep 2026
Show all (10)
Spark1
Unix1

What developer tools does O2 Czech Republic use?

Hyper-V is named in 7% of job postings at O2 Czech Republic, followed by KVM (7%), Microsoft Excel (7%), Proxmox VE (7%).

Hyper-V 1 7% required in 100% · 1 open now · since Sep 2026
KVM 1 7% required in 100% · 1 open now · since Jun 2026
Microsoft Excel 1 7% required in 100% · since Sep 2026
Proxmox VE 1 7% required in 100% · 1 open now · since Jun 2026
SoapUI 1 7% required in 100% · 1 open now · since Sep 2026

Which engineering practices does O2 Czech Republic ask for?

Machine Learning is named in 14% of job postings at O2 Czech Republic, followed by DHCP (7%), DNS (7%), PKI (7%).

Machine Learning 2 14% required in 100% · 2 open now · since Jul 2026
DHCP 1 7% required in 100% · 1 open now · since Oct 2026
DNS 1 7% required in 100% · 1 open now · since Oct 2026
PKI 1 7% required in 100% · 1 open now · since Oct 2026

What does each O2 Czech Republic team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Security

5 postings
Bash4
PowerShell4
SIEM3
Python2

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How is the O2 Czech Republic stack changing?

Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.

First appeared
WindowsSep 2026
PowerShellSep 2026
BashSep 2026
SIEMSep 2026

How modern is the O2 Czech Republic stack?

Modern 65/100

O2 Czech Republic scores 65 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

Questions about the O2 Czech Republic tech stack

What programming languages does O2 Czech Republic use?

The languages named in O2 Czech Republic job postings are PowerShell (36%), SQL (36%), Bash (29%), Python (29%), as a share of the 14 postings of the last 12 months.

Does O2 Czech Republic use Linux?

Yes. Linux is named in 3 of 14 job postings (21%) and required in 3 of them.

What cloud and platforms does O2 Czech Republic use?

The cloud and platforms named in O2 Czech Republic job postings are Linux (3), SIEM (3), Windows (3) (postings in brackets).

What skills do you need for a Security job at O2 Czech Republic?

Security postings at O2 Czech Republic most often require Bash (4), PowerShell (4), SIEM (3), Python (2), out of 5 postings in the last 12 months.

Is the O2 Czech Republic tech stack changing?

Yes. Windows, PowerShell, Bash, SIEM first appeared in O2 Czech Republic job postings in the last six months.

How modern is the O2 Czech Republic tech stack?

O2 Czech Republic scores 65 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

How does Alion know the O2 Czech Republic tech stack?

Alion reads every job posting O2 Czech Republic publishes and tags the technologies each one names. The figures on this page count the 14 postings of the last 12 months and were updated on Oct 17, 2026.

Method and citation

Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count

Alion, "O2 Czech Republic tech stack: 25 technologies from 14 job postings", as of Oct 17, 2026. https://alion.io/company/o2-czech-republic/technologies

Licence: CC BY-SA 4.0JSON