We're Hiring: Malware Researcher (m/f/n)

ESET Research Czech Republic s.r.o.

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Bratislava Brno Until 8/21/2026 First posted April 7, 2026 Last posted June 8, 2026
Job description

Summary

Join our team of passionate researchers uncovering the latest cyber threats, tracking ransomware gangs and infostealer campaigns, and sharing insights with the world. If you love gaining evidence-based insight into the inner workings of eCrime threats and want to make a real impact, this is your chance.

Job description

Who We Are: 

We’re part of ESET’s Security Research Laboratory – “VirusLab” – a global team of experts in malware analysis, detection, and threat intelligence. We work across platforms (Windows, Linux, macOS, mobile) and collaborate closely with colleagues and external partners worldwide. 

Tools of the Trade: 

IDA Pro, debuggers, Hiew, Kibana, Impala, MISP, YARA, SysInternals, Wireshark, Python, SQL – and powerful internal tools developed over years of research. 

What You'll Do: 

  • Monitor the broad scale of eCrime threats with focus on infostealers 

  • Connect findings to broader malicious campaigns and infrastructure 

  • Reverse engineer (m/f/n) newly discovered malware samples 

  • Write technical reports and publish on WeLiveSecurity.com 

  • Regularly summarize your findings in Threat Intelligence reports 

  • Present your research at prestigious international conferences 

  • Gather intelligence from internal and open sources 

  • Collaborate with law enforcement, CERTs, and victims 

What We’re Looking For: 

  • Familiarity with malware analysis and tracking tools (IDA Pro, Kibana, YARA, etc.) 

  • Solid grasp of the eCrime threat landscape and current trends 

  • Solid written and spoken English 

  • Passion for understanding and fighting cybercriminal operations 

No Degree? No Problem. 
We care more about your skills, curiosity, and ability to understand how software works than your diplomas. 

Basic wage component for Bratislava location (brutto): from 2500 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-MF1 #mid-senior #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
About this role

Summary

Reverse engineer malware samples, analyze threats, write reports, and collaborate with security teams.

Job title

Malware Researcher

Experience level

mid-senior level

Industry

cybersecurity

Location requirements

Bratislava, Brno, Prague; hybrid work allowed

Salary

$3k+

Management role

No

Skills & keywords

Required skills

malware analysisIDA ProYARAPythonthreat intelligence

Preferred skills

None specified

Specializations

malware analysisthreat intelligencereverse engineeringcyber threatseCrime
Locations

Structured locations inferred from the posting.

Bratislava, Slovakia

Hybrid City

Brno, Czechia

Hybrid City

Prague, Czechia

Hybrid City
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