Sr. Security Researcher / Sr. Threat Analysis Engineer

Location:County Dublin
Job Type:Full Time

NortonLifeLock Inc. (NASDAQ: NLOK) is a global leader in consumer Cyber Safety. NortonLifeLock is dedicated to helping secure the devices, identities, online privacy, and home and family needs of its nearly 50 million consumers, providing them with a trusted ally in a complex digital world. For more information, please visit or connect with us on Facebook, Twitter, LinkedIn, Instagram and YouTube.

Job Title: Sr. Security Researcher / Sr. Threat Analysis Engineer

Location: Dublin, Ireland

Team description:

The NortonLifeLock Labs team is made up of leading threat and security researchers supported by advanced systems to innovate security technology and threat intelligence to protect our customers against known and new threats. The main locations of the team are Chennai, India – Oslo, Norway – Dublin, Ireland and Culver City, USA. The Labs team is part of the CTO office.

We overlook the portfolio of security technologies that makes for high detection without sacrificing system performance. The portfolio consists of modern and traditional components, like:

  • Network detection
  • Reputation and prevalence
  • Machine Learning
  • Cloud and Crowd detections
  • Behavioral analysis
  • Anti-virus engines and static scanners


  • Research, develop and improve methods for threat detection, protection and correction
  • Writes technical reports based on the results of analysis
  • Able to provide leadership and guidance for smaller projects and research reports
  • Able to work with media as subject matter expert as needed
  • Actively work with the threat research community
  • Required to represent the team internally and externally


  • BS degree in a computer-related field, or equivalent industry experience
  • Strong reverse engineering skills, ideally with 5+ years of relevant experience in malware analysis and reverse engineering in x86/x64
  • Excellent understanding of modern programming languages
  • Experience with debuggers such as windbg, gdb, ollydbg
  • Experience with disassemblers such as IDA Pro or Binary Ninja
  • Experience with malware detection languages such as YARA, Snort, or other static or behavioural signature languages
  • Experience with various classes of document and scripting malware
  • Experience with mobile and/or OSX malware a plus
  • Able to make own tools where needed
  • Experience working with network-related indicators (pDNS, domain registrations, certificates)
  • Good understanding of vulnerabilities and exploits
  • Experience working with cloud platforms such as AWS or Azure a plus
  • Experience working with threat actor tracking a plus
  • Excellent communication and documentation skills


NortonLifeLock is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive and accessible environment for all employees. All employment decisions are based on merit, experience, and business needs, without regard to race, color, national origin, age, religion, sex, pregnancy (including childbirth or related medical conditions), genetic information, disability (physical or mental), medical condition, marital status, sexual orientation, gender identity or gender expression, military or veteran status, or any other consideration made unlawful by federal, state, or local law. NortonLifeLock strictly prohibits unlawful discrimination based on such protected characteristics and seeks to recruit the most talented candidates from diverse cultures and backgrounds.

We also consider for employment qualified individuals with arrest and conviction records. In addition, NortonLifeLock will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. Learn more about pay transparency.

EEO is the law. Applicants and employees of NortonLifeLock Inc. are protected under Federal law from discrimination. See the EEO poster and supplement.