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DT
Senior/Principal Engineer – OpenSearch
DTEX SystemsUnited StatesRemotefull_timeVerifiedPosted 4 Jun 2026
💰 $170,000/yr
About the role
We are excited that you’ve taken the time to explore our business and potentially join us on this incredible journey. We are already the leader in the Insider Risk Management, but our story doesn’t stop there. We have serious growth plans and that means serious growth opportunities for everyone in our team, whether you’re looking to develop into a management position or establish yourself as an industry expert – we are here to support you.
DTEX Systems helps hundreds of organizations worldwide better understand their workforce, protect their data, and make human-centric operational investments. At DTEX, our philosophy towards our business is the same as our philosophy towards technology: people come first. Our future depends on bright, energetic, talented people who share a passion for building the next generation of user behavior intelligence. We invite you to bring your talent to DTEX and help create our future, expanding our reach and influence worldwide. Learn more about DTEX Systems’ mission to proactively protect global organizations from insider threats at www.dtexsystems.com; LinkedIn DTEX Systems: Overview | LinkedIn
Why you should choose DTEX as your next career:
What is the Role:
DTEX Systems is seeking a highly skilled and experienced Senior Engineer – OpenSearch to join our engineering team. In this role, you will lead the development and optimization of large-scale OpenSearch clusters, contribute to our Insider Risk Management (IRM) and Data Loss Prevention (DLP) products, and actively engage with the open-source community. You’ll work closely with internal teams, clients, and global collaborators to drive innovation in search technologies.
Key Responsibilities
Qualifications:
DTEX Systems helps hundreds of organizations worldwide better understand their workforce, protect their data, and make human-centric operational investments. At DTEX, our philosophy towards our business is the same as our philosophy towards technology: people come first. Our future depends on bright, energetic, talented people who share a passion for building the next generation of user behavior intelligence. We invite you to bring your talent to DTEX and help create our future, expanding our reach and influence worldwide. Learn more about DTEX Systems’ mission to proactively protect global organizations from insider threats at www.dtexsystems.com; LinkedIn DTEX Systems: Overview | LinkedIn
Why you should choose DTEX as your next career:
- Opportunity to be part of a disruptive high growth success story.
- DTEX is a great place to work because of its mission-oriented culture and passion for protecting customers.
- We offer exciting growth opportunities and an excellent platform for individuals to contribute to thought leadership as experts in their field.
- We are uniquely positioned to solve highly relevant and complex risks and challenges associated with insider risk.
- Opportunity to be part of a business that’s passionate about creating first-of-a-kind solutions.
- Best in class benefits
What is the Role:
DTEX Systems is seeking a highly skilled and experienced Senior Engineer – OpenSearch to join our engineering team. In this role, you will lead the development and optimization of large-scale OpenSearch clusters, contribute to our Insider Risk Management (IRM) and Data Loss Prevention (DLP) products, and actively engage with the open-source community. You’ll work closely with internal teams, clients, and global collaborators to drive innovation in search technologies.
Key Responsibilities
- Serve as a consultant, advisor, and mentor to internal and external search practitioners.
- Attend client and internal meetings to align technical solutions with business needs.
- Actively contribute to the OpenSearch community and participate in public forums.
- Collaborate with cross-functional teams and open-source contributors to drive innovation.
- Design and implement new features, enhancements, and bug fixes for DTEX’s IRM and AI Risk Management products.
- Manage and fine-tune large-scale OpenSearch clusters with terabytes of data.
- Apply recommended development and operational expertise to cloud-hosted OpenSearch environments.
- Rapidly iterate on solutions while maintaining high quality standards.
- Work effectively with a globally distributed team.
Qualifications:
- Minimum 10 years of software engineering experience.
- Bachelor's degree in computer science or related field.
- Deep expertise in OpenSearch internals while handling terabytes of data across multiple nodes.
- Proficiency in data management: ingestion pipelines, field mappings, cluster integrity, and search/aggregation tuning.
- Proven experience migrating large-scale Elasticsearch 6.x clustered deployments to OpenSearch 2.x or above.
- Demonstrates a solid grasp of essential OpenSearch management practices, encompassing index lifecycle management, sharding strategies, JVM heap size configuration, young generation parameters, garbage collection strategy optimization, comprehensive JVM memory oversight, and effective tuning of shard and replica allocation.
- Strong proficiency in Python and good understanding of JVM ecosystems.
- Solid understanding of algorithms, data structures, and software design principles.
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