We have big plans for continued global growth, and we’re looking for people who are creative, flexible and dedicated to helping us build something great – something that matters.

Senior Research Engineer

ResearchCampshires, Sir John Rogerson's Quay, Dublin, Ireland

Meet our Dublin R&D Team!

Senior Research Engineer

Campshires | Sir John Rogerson's Quay | Dublin | Ireland

Your Role:

Tenable is looking for a Senior Research Engineer to join our Nessus Network Monitor team in our Dublin office. This position will involve researching device and application fingerprints, and developing checks/plugins to identify these assets passively.

Your Opportunity:

  • Develop plugins for the Nessus Network Monitor passive vulnerability scanner based on research findings
  • Research, develop and improve methods of detection for currently unidentified services and products
  • Perform original research in identification tools and techniques, and developing plugins to utilize these techniques
  • Diagnose, research, reproduce and mitigate defects as part of the Tenable Research and Development team

What You'll Need:

  • Ability to operate independently with little supervision as well as collaborate and work with others
  • Ability to self-educate and keep up to date with current security trends and exploitation methods
  • Ability to work within a virtualized lab environment
  • Understanding of common security vulnerabilities, detection and exploitation techniques
  • Experience with git version control
  • Experience working with multiple operating systems (proficiency with Linux a must)
  • Knowledge on the operation and management of network services
  • Good written and verbal communication skills
  • Strong attention to detail and able to frequently shift priorities as needed
  • Robust problem-solving skills, the ability to learn from doing, personal accountability, and a positive and professional attitude
And Ideally:
  • Degree in Computer Science or a related field
  • 2+ years of development experience
  • Very good understanding of network protocols (Ethernet, IP, TCP, UDP, SIP etc.), application protocols (HTTP/HTTPS, SMTP, FTP) and network architectures
  • Analysis of Network Capture Files with tools such as tcpdump and Wireshark
  • Experience with systems like Bro and Snort is desirable but not a must
  • Experience with ICS and SCADA systems and protocols (Modbus, Profibus, DNP3, etc.) is desirable but not a must
  • Database technologies and SQL knowledge (Oracle, MySQL, MSSQL, etc.)
  • Experience with C, C++, Assembly (x86/x64 and/or ARM/ARM64) and scripting languages is desirable but not a must
  • Some reverse engineering experience including basic binary analysis, packet capture analysis, and firmware analysis (using binwalk)
  • Experience with systems administration and be comfortable working at the command line

If you’ve reached this point in the job description and feel you’re still not sure if you should apply…Just do it! We know there are no perfect applicants. You may not have 100% of all those bullets listed above - and that’s okay. If you’re feeling like you’re not going to fit in with our teams - that’s not ok. We're One Tenable which means however you identify and whatever background you bring with you, we encourage you to submit an application if it’s a role you can be passionate about doing every day.


We’re committed to promoting Equal Employment Opportunity (EEO) at Tenable - through all equal employment opportunity laws and regulations at the international, federal, state and local levels.

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