Senior/Principal Engineer – OpenSearch
Fremont Full-time Senior Engineering Leadership
At a glance
Senior Engineering Leadership role at DTEX Systems. Fremont · full-time · $170,000–$220,000 base.
SalaryStated by DTEX Systems
$170,000 – $220,000
Base salary for this role, in USD per year, as published in the posting.
This role, from DTEX SystemsOur estimate for the market: $193,000–$260,750Median $219,000
The range includes the market median of $219,000 for senior engineering leadership roles in Fremont.
Worked out from 7 postings that stated pay, median $219,000. Last updated Oct 19, 2026.
RoleEngineering Leadership
SenioritySenior
LocationFremont
EmploymentFull-time
Base pay$170,000–$220,000
PostedSep 3, 2026 · 7w ago
Role brief
techroles summary, based on the employer's posting.
What you'll do
- Design features and fixes for the IRM and AI Risk Management products, then iterate quickly without sacrificing quality
- Operate and tune OpenSearch clusters holding terabytes of data, including cloud-hosted environments
- Advise and mentor search practitioners, and join client and internal discussions to align technical choices with business needs
- Contribute to OpenSearch public forums and work with internal teams and open-source contributors
- Coordinate with colleagues and collaborators working across global locations
What you bring
- At least ten years of software engineering experience and a bachelor's degree in computer science or a related discipline
- Deep knowledge of OpenSearch internals and experience managing terabytes of data across multiple nodes
- Hands-on experience moving large Elasticsearch 6.x clusters to OpenSearch 2.x or later
- Strong Python skills, familiarity with JVM ecosystems, and experience building distributed, high-throughput concurrent software
Who this fits
This senior engineering role suits someone who can combine OpenSearch operations with product development, technical advising, and open-source participation. You’ll work with a globally distributed team. The role is offered in a hybrid or remote environment.
From the employer
About the Job:
DTEX 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:
Why Join Us?
About DTEX
DTEX is the leader in risk-adaptive security, unifying human, data, and AI risk through a behavioral intelligence platform. Built for enterprise scale, DTEX detects threats early and prevents breaches before they impact the business.
By analyzing how people, data, and AI systems interact, DTEX surfaces early indicators of risk that other tools miss and provides the context needed to act with precision. The platform brings together insider risk management, risk-adaptive data protection, user and entity behavior analytics, user activity monitoring, and AI risk management into a single, cohesive solution.
Organizations and governments worldwide rely on DTEX to protect sensitive data, enable secure innovation, and safeguard trust. With privacy-by-design telemetry and adaptive controls, security teams can reduce risk without disrupting productivity.
Joining DTEX means working on some of the most complex and high-impact security challenges facing enterprises today.
DTEX 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): $170k-$220k
DTEX 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.
- 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.
Why Join Us?
- Impact at Scale – Build and lead DTEX’s first sales enablement function, shaping how we scale commercial excellence across the world.
- Thriving Company Culture – At DTEX, we foster a values-driven environment that prioritizes respect, inclusion, and collaboration.
- Growth & Development – We believe in lifelong learning and provide opportunities for continuous professional development.
- Flexibility – Work in a hybrid or remote environment that balances collaboration with autonomy.
- Comprehensive Benefits – Competitive compensation, equity participation, health and wellness benefits, and generous time-off policies.
About DTEX
DTEX is the leader in risk-adaptive security, unifying human, data, and AI risk through a behavioral intelligence platform. Built for enterprise scale, DTEX detects threats early and prevents breaches before they impact the business.
By analyzing how people, data, and AI systems interact, DTEX surfaces early indicators of risk that other tools miss and provides the context needed to act with precision. The platform brings together insider risk management, risk-adaptive data protection, user and entity behavior analytics, user activity monitoring, and AI risk management into a single, cohesive solution.
Organizations and governments worldwide rely on DTEX to protect sensitive data, enable secure innovation, and safeguard trust. With privacy-by-design telemetry and adaptive controls, security teams can reduce risk without disrupting productivity.
Joining DTEX means working on some of the most complex and high-impact security challenges facing enterprises today.
DTEX 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): $170k-$220k
Engineering Leadership work from LinkedIn, X, Reddit and Upwork, in one list.
Each morning you get everything that fits, strongest first.
Engineering Leadership$170k+
Find me workBy the team behind techroles.