Senior/Principal Engineer – OpenSearch

Overview We are excited that you’ve taken the time to explore our business and potentially join us on this incredible journey. DTEX Systems leads Insider Risk Management with serious growth plans and opportunities for everyone in the team. Whether you’re aiming for a management position or to 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. Our philosophy is that people come first. Learn more about DTEX Systems’ mission at and our LinkedIn overview: DTEX Systems: Overview | LinkedIn. Why you should choose DTEX as your next career: Opportunity to be part of a disruptive high growth success story. Mission-oriented culture and passion for protecting customers. Exciting growth opportunities and a platform for thought leadership as an expert in your field. We are positioned to solve highly relevant insider risk challenges. Chance to contribute to first-of-a-kind solutions. Best in class benefits. 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 the 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 DLP 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. Experience migrating large-scale Elasticsearch 6.x deployments to OpenSearch 2.x or above. Solid understanding of OpenSearch management practices, including index lifecycle, sharding, JVM heap size, GC tuning, memory oversight, and shard/replica allocation. Strong proficiency in Python and a good understanding of JVM ecosystems. Solid understanding of algorithms, data structures, and software design principles. Experience building distributed, high-throughput, and concurrent applications. Hands-on experience with major cloud platforms, preferably AWS. Skilled in debugging complex issues and engaging with upstream open-source communities. Benefits Fully remote company Comprehensive health, vision, and dental coverage Flexible time off Company computer hardware of your choice Work from home setup reimbursement Health & wellness perks including virtual events, happy hours, trivia, and fun Monthly Internet & Phone Reimbursement Opportunities to learn and grow DTEX Systems is one of the most trusted and innovative brands in the cyber security market. We have received significant financial backing from leading VC firms and have just set a record-breaking year of growth. So why not trust DTEX with that all important next step in your career? DTEX Systems is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, gender, religion, sex, national origin, age, disability, or genetics. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Exact compensation may vary based on skills, experience, and location. Base salary range (SF Bay Area): $180K-220K #J-18808-Ljbffr

Created: 2025-09-17