Principal Software Engineer Job at Rapid7 (Dublin)

Principal Software Engineer

Rapid7

Location:
Ireland , Dublin

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Rarely does an opportunity come to market that will allow a candidate to have such an influential role in the strategic direction of an organization like Rapid7. There will be many challenges such as designing a system to scale to traffic approaching 1 PB per day across the globe, while still allowing rapid and flexible search of this data with resilience and extensibility. This is a very high impact, high growth role and one of the most exciting engineering opportunities at Rapid7. Rapid7’s Log Search team is responsible for delivering the underlying massive data storage and search foundations for all of Rapid7’s products on the cloud-based Insight Platform. Our microservice architecture is designed to deliver a secure, reliable and resilient platform for both our Customers to use and for our endpoint products to build on. We are focussed on helping our customers seamlessly manage their security solutions as effectively and efficiently as possible, and helping products secure and deliver experiences. We are seeking an innovative, self-motivated Principal Engineer who will be responsible for the technical leadership of an industry leading solution to unify our customer's security data, working alongside other senior engineers in the Rapid7 Dublin office. This solution will provide cutting edge insights into their security posture, and help them protect an ever growing attack surface. This person will challenge convention and open new paths with foresight, consideration, and positivity.

Job Responsibility:

Be passionate about the development of others, always be ready to learn, and motivated to teach
Be hands-on in the design, build, maintenance, and release of features and performance improvements commensurate with the expectations of customers both external and internal for the log search data aggregation fabric
Design, build and manage systems ingesting and querying data volumes in many TB per day
Be an advocate for upcoming features, across the organisation, and with customers, we expect our engineers to be first class stakeholders in all parts of the development process
Work with balanced teams and interface with Product Managers and Support
Research, implement and verify new technologies and make make business cases for these to set new standards of scalability and search efficiencies

Requirements:

Expert level experience with Java (10 years+)
A deep understanding of Linux and networking, and their performance considerations
Extensive experience with SaaS platforms and public cloud platforms (AWS)
Excellent verbal and written communication skills with the ability to convey complex technical rationale to leadership
Strong, creative problem-solving ability with a track record of delivering complex solutions to external customers
Act as a first-class stakeholder in the development process, advocating for features across the organization and directly with customers
You aren't afraid to challenge the status quo, bringing innovative thinking and a fresh perspective to complex problems
Attitude to thrive in a high-growth, evolving environment
You are an active driver of change. You thrive in high-growth environments and are eager to lead the team through technical shifts
Ability to partner with others and drive toward solutions
Embody our core values: to foster a culture of excellence that drives meaningful impact and collective success

Nice to have:

A proactive interest in AI applications and how they can be leveraged to optimize log search and security insights.

Additional Information:

Job Posted:
April 12, 2026

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