Senior Rust Engineer - Ingress Security

MongoDB; Cork; Hybrid; EUR 120,000 - 150,000; Full time

Benefits offered by this job

Hybrid work model

Disability accommodations available

Job summary

MongoDB is seeking a Senior Engineer to join the Server Ingress Security team in Ireland. You will help rearchitect ingress networking to harden pre-authentication surfaces and contribute to the Atlas Network Protection layer that secures MongoDB clusters.

Based in Dublin or Cork with hybrid work, you will design, implement, and operate production‑ready security services in Rust, lead features, and collaborate with Server, Atlas, Drivers, SRE, and Product Security teams on the roadmap.

Qualifications

• 5+ years of experience building production-quality systems software.
• Experience with large backend codebases and performance-sensitive software, preferably in Rust.
• Strong systems fundamentals, including multi-threaded programming and performance profiling.
• Understanding of network protocols, TLS, and connection lifecycle management.
• Familiarity with security concepts such as attack surface reduction, input validation, memory safety, and defense-in-depth architectures.
• Excellent verbal and written technical communication skills, with a strong desire to collaborate with colleagues.
• Strong time management skills and the ability to realistically assess project complexity.
• B.Sc. in Computer Science or a related field, or equivalent practical experience.

Responsibilities

• Design, implement, and operate production-ready security services in Rust, with a focus on security, correctness, performance, and operational excellence.
• Develop ingress networking and security solutions that ensure the security, availability, and performance of a database service.
• Diagnose test failures and performance regressions, and implement fixes.
• Lead development and project management for features and initiatives within the Ingress Security domain.
• Collaborate across Server, Atlas, Drivers, SRE, and Product Security teams to ensure the Atlas Network Protection layer integrates seamlessly with the broader MongoDB ecosystem.
• Collaborate with Product Management and Engineering leadership to define the team's roadmap.

Skills

Rust

Multithreading

Performance profiling

TLS

Security concepts

Communication

Project planning

Education

B.Sc. in Computer Science or related field

Job description

MongoDB is seeking a Senior Engineer to join the Server Ingress Security team in Ireland. You will help rearchitect ingress networking to harden pre-authentication surfaces and contribute to the Atlas Network Protection layer that secures MongoDB clusters.

Based in Dublin or Cork with hybrid work, you will design, implement, and operate production‑ready security services in Rust, lead features, and collaborate with Server, Atlas, Drivers, SRE, and Product Security teams on the roadmap.