Senior Java Security Engineer — Elasticsearch Core

Elastic; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Health coverage

Flexible location

Generous vacation days

Parental leave

Volunteer time

Donation matching

Job summary

Elastic is seeking a Senior Software Developer for the Elasticsearch Security team in the United Kingdom. You will shape architecture, design, and delivery of core security features, including authentication, authorization, and tenant isolation, at scale.

You will collaborate across engineering and product leadership to embed security into new customer features, optimize performance, and advance cryptographic approaches while driving vulnerability management with the InfoSec team and adopting

Qualifications

• Ability to work autonomously in distributed teams with async communication.
• Strong understanding of distributed systems security and zero-trust concepts.
• Experience building scalable authorization systems for large permission sets.
• Deep knowledge of Java internals and JVM memory management.
• Understanding of concurrency models.
• Experience with edge identity protocols (OAuth 2.0, SAML).
• Proven ability to use AI to accelerate development and debugging.
• Capacity to collaborate across functions and migrate between projects.

Responsibilities

• Contribute to architecture and design of Elasticsearch’s main features, including security aspects.
• Develop security components such as authentication, authorization, and tenant isolation.
• Collaborate with engineering and product leaders to deliver high-performance security at scale.
• Drive vulnerability management with the InfoSec team and leverage AI-driven triage.
• Optimize security performance in distributed systems and data stores.
• Embed security into new customer features from the outset.

Skills

Java internals

JVM memory management

Concurrency models

OAuth 2.0

SAML

Distributed systems security

Encryption concepts

AI in development

Job description

Elastic is seeking a Senior Software Developer for the Elasticsearch Security team in the United Kingdom. You will shape architecture, design, and delivery of core security features, including authentication, authorization, and tenant isolation, at scale.

You will collaborate across engineering and product leadership to embed security into new customer features, optimize performance, and advance cryptographic approaches while driving vulnerability management with the InfoSec team and adopting