Security Testing Engineer - Penetration Tester

Atlassian is hiring a Security Testing Engineer - Penetration Tester in Greater Kolkata Area, India. The details below summarise the employer's own listing; applications happen on the original posting, not on GetFirstJob.

What the work involves

• The Security Testing teams mission is to partner with Atlassian internal teams globally to provide innovative and holistic security testing to secure Atlassian products, platforms and customers
• This role supports Atlassian’s security team, Engineers and Customers by performing high quality penetration testing on our software, platforms and services
• Working at Atlassian
• Atlassians can choose where they work
• whether in an office, from home, or a combination of the two
• That way, Atlassians have more control over supporting their family, personal goals, and other priorities
• We can hire people in any country where we have a legal entity
• Interviews and onboarding are conducted virtually, a part of being a distributed-first company
• You will support others in technically validating the state of Atlassian’s technical security controls, working closely with both our security and engineering teams
• You enjoy vulnerability hunting and get excited when you find vulnerabilities that typical automated toolsets can’t

What they are looking for

• On your first day, we'll expect you to have:
• 5+ years working in a whitebox penetration testing/appsec/manual code review role
• Strong understanding of web application security
• Experience in cloud security architecture and infrastructure
• Experience coding in Java, Python, or Go, and at least one scripting language
• An ability to reason about security decisions
• Experience leading projects from start to finish and mentoring other security practitioners
• Strong collaboration and communication skills when working with closely with deeply technical development and infrastructure teams

Pay and dates

The listing does not state pay. The source page shows a relative posting age rather than an exact posting date; this role was first seen and checked as open on 4 November 2026. The source page showed it as posted “4 days ago” when captured; that is a relative stamp, not an exact date.

How to apply

Apply on the listing where the employer published this role: Security Testing Engineer - Penetration Tester at Atlassian. We found this listing via linkedin.com; it was still open when we checked on 4 November 2026. If the posting has closed or the link fails, the role may have been filled.