2,110,899open jobs
133,619companies
242,631added this week
Browse all
Location
Hybrid (Bratislava, Slovakia, Brno, Prague, Czech Republic)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Jul 23, 2026. ESET scores A on the Alion truth index.

Overview
Company
Impact
Profile match
ESET is a Slovak cybersecurity company headquartered in Bratislava, developing antivirus, endpoint protection, threat detection and response, encryption and managed security products for home users, businesses and partners. Founded in 1992, it sells through subsidiaries and partners worldwide, with research and development centers in Slovakia and the Czech Republic and regional offices in cities such as San Diego, Sao Paulo, Singapore, Tokyo and Sydney. It hires software engineers, malware researchers, cloud and data engineers, sales engineers, business development and partner marketing staff, with most openings in Bratislava, Brno and Prague.

Summary

You will become part of the Incident Creator and AI Research team within the Technology Division in Bratislava. The team focuses on detecting malicious activity, combining correlation rules with machine learning models to evaluate potential security incidents from terabytes of behavioral data. Beyond detection, the team builds incident-handling tooling for security operators and develops automation, including potential AI SOC.

Job description

As an ExperiencedAIResearcher, you apply machine learning methods to real-world cybersecurity problems - preparing behavioral data,buildingand evaluating models, and guiding them toward production. Beyond that, youmaintainand improve deployed models across their full lifecycle, from monitoring to continuous optimization.

About the Role

  • Prepare and process behavioral data for training models that detect malicious activity.

  • Build and evaluate prototypes, iterating on architectures and features until production-quality, on dedicated in-house GPU servers -enough computeto compete with the biggest players in the industry.

  • Deploy models into production and integrate them with existing detection and incident-handling pipelines.

  • Monitor,maintain, andoptimizedeployed models across their full lifecycle - from drift detection to retraining and performance tuning.

  • When opportunities arise, explore novel architectures beyond applying existing models.

Essential Requirements

  • Practical understanding of modernAI/ML methods - knowing which models fit which problems, when to use simpler approaches versus novel architectures, and how tooptimizethem for production.

  • Proficiencyin Python and itsAI/ML ecosystem.

  • Experience withAI/ML lifecycle tooling and infrastructure for production model serving and lifecycle management.

  • Ability to work independently and take full ownership of model development from start to finish.

  • Strong drive for continuous learning and staying current withstate-of-the-artresearch.

Desirable Requirements

  • University degree in Machine Learning, Data Science, Mathematics, ora relatedtechnical field.

  • Basic understanding of computer and network security.

  • Experience with Big Data technologies and cloud platforms (AWS).

Technologies

Python, Scikit-learn,PyTorch, TensorFlow, Polars, Hadoop, Spark, Hive, Impala, Iceberg,LanceDB, (My)SQL, Kafka,MLflow, Kubeflow, Argo, Git, JIRA, Confluence, Docker, Kubernetes, Jenkins, AWS.

Basic wage component (brutto): from 3000 EUR

* The final basic wage component can be increased accordingly to individual skills and experience of the selected candidate.

* Performance bonus 2 times per year up to 10% of the basic salary paid for the evaluation period(usually 6 months).

#LI-JK1 #senior #medior #LI-Hybrid

Benefits

Health & well-being

  • BenefitPlus
  • Healthcare (check-ups/annual programs)
  • Multisport card
  • Travel card "električenka"
  • Supplementary pension saving
  • Sick days

Family

  • Marriage allowance
  • Childbirth allowance
  • Parental contribution
  • ESET family events (Family day, St.Nicholas)

Office

  • Refreshments in the office (fruits, coffee, soft drinks)
  • Let´s get together breakfast
  • Activity room, quiet room
  • ESET events (Žranica, Christmas party..), teambuildings

Other

  • Loyalty allowance
  • Loyalty extra days off
  • Loyalty cake
  • Loyalty glass award
  • Refer a friend
  • Christmas presents
  • Discounts from external providers

Primary location

Bratislava

Additional locations

Brno, Prague

Time type

Full time
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,110,899 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Bratislava
In office · Full-Time · Bratislava
AI/ML
LLM
RAG
DevOps
Azure
Apply
In office · 2+ years exp · Hyderabad
Python
Java
C++
C++
TensorFlow C++
AI/ML
Reinforcement Learning
Scikit-learn
Computer Vision
NLP
Transfer Learning
AWS Bedrock
TensorFlow
Keras
PyTorch
RAG
Machine Learning
DevOps
Azure
AWS
Management
Agile
Scrum
Apply
$54k per year · In office · Part-Time · Caracas
Python
AI/ML
Scikit-learn
TensorFlow
Pandas
NumPy
PyTorch
Apply
$159k – $270k per year · Hybrid · Full-Time · 10+ years exp · Bachelor's Degree · Irvine
AI/ML
Model Context Protocol
Vertex AI
Function Calling
AI Agents
Gemini
RAG
Multi-Agent Systems
Vertex AI Agent Builder
Machine Learning
DevOps
GCP
Azure
CI/CD
AWS
Apply
AI Engineering Lead 4 hours ago
In office · Contractor · Johannesburg
Java
C#
C#
.NET
AI/ML
Copilot Studio
DevOps
Azure
CI/CD
Management
Power Automate
Power Apps
Apply
$88k – $158k per year · Hybrid · Full-Time · 3+ years exp · Minneapolis
Python
SQL
AI/ML
Hadoop
Spark
Time Series
Machine Learning
Analytics
Power BI
A/B Testing
Apply
$466k – $750k per year · Equity · In office · Los Angeles · Los Gatos
Python
Java
C++
C++
TensorFlow C++
AI/ML
Diffusion Models
Computer Vision
ComfyUI
TensorFlow
PyTorch
Machine Learning
Game Dev
Unity
Unreal Engine
Houdini
Apply
$157k – $257k per year · Equity · Hybrid · Full-Time · 10+ years exp · Bachelor's Degree · Tarrytown
AI/ML
Model Context Protocol
Fine-tuning
Embeddings
Prompt Engineering
Function Calling
AI Agents
RAG
LLMOps
A2A
Human-in-the-Loop
Context Engineering
LLM Guardrails
Machine Learning
DevOps
GCP
Azure
AWS
Platform Engineering
Apply
≈ $98k – $214k per year (Estimated) · In office · Full-Time · Bachelor's Degree · Prince George
Python
JavaScript
PHP
SQL
Databases
MySQL
MS SQL
DevOps
Git
Analytics
ETL/ELT
Apply
$11k – $13k per year · In office · Bogotá
Python
Go
JavaScript
Java
Node JS
Databases
MySQL
PostgreSQL
Redis
RabbitMQ
Apache Kafka
Frontend
GraphQL
DevOps
Rest API
GCP
Azure
CI/CD
Git
AWS
Docker
Kubernetes
GitHub
GitLab
Management
Jira
Scrum
Apply
≈ $40k – $104k per year (Estimated) · Hybrid · Full-Time · Bachelor's Degree · Bratislava · Brno · Prague
Python
SQL
Databases
Apache Kafka
LanceDB
AI/ML
Polars
Hadoop
Spark
MLFlow
Scikit-learn
Kubeflow
TensorFlow
PyTorch
Machine Learning
DevOps
Jenkins
Git
AWS
Docker
Kubernetes
Cybersecurity
ESET
Management
Confluence
Apply
≈ $18k – $51k per year (Estimated) · Hybrid · Full-Time · Košice · Bratislava · Žilina
Python
JavaScript
PowerShell
Bash
Databases
ElasticSearch
DevOps
Splunk
Linux
Windows
Unix
Cybersecurity
IBM QRadar
ESET
SIEM
Apply
$46k per year · Hybrid · Full-Time · 8+ years exp · Bratislava
AI/ML
LLM
EU AI Act
Cybersecurity
GDPR
ESET
Apply
≈ $29k – $76k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Master's Degree · Bratislava
DevOps
Linux
Windows
Cybersecurity
ESET
Apply
≈ $16k – $39k per year (Estimated) · Hybrid · Full-Time · 1+ year exp · Bratislava
Python
JavaScript
PowerShell
DevOps
Linux
Windows
Unix
Cybersecurity
ESET
SIEM
Apply
In office · Full-Time · Bratislava
AI/ML
LLM
RAG
DevOps
Azure
Apply
In office · Part-Time · Bratislava
Apply
≈ $22k – $55k per year (Estimated) · In office · Bratislava
Apply
≈ $23k – $62k per year (Estimated) · In office · Bratislava
Apply
Remote (Slovakia) · 3+ years exp · Bachelor's Degree · Bratislava
Analytics
Microsoft Excel
Apply
See all jobs
This is one of many
2,110,899 more open roles from verified company boards, updated every day.