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MongoDBMongoDB

Staff Software Engineer, Server Networking Security

Technical leader for a security-focused team rearchitecting MongoDB server ingress networking. The role designs and operates high-performance Rust services, drives technical strategy, handles production incidents, and mentors engineers; it requires 10+ years of systems software experience and strong networking and security fundamentals.

About the job

Responsibilities

  • Define and drive the technical strategy for Ingress Security with stakeholders across Server, Atlas, SRE, and Product Security.
  • Own the definition, planning, and execution of technical plans for ambiguous, high-impact security and networking problems.
  • Design, implement, and operate production-ready security services in Rust, emphasizing security, correctness, performance, and operational excellence.
  • Collaborate with Engineering leadership and Product & Technology teams on roadmaps to improve MongoDB's ingress security posture.
  • Advise the team and organization on engineering complexity, risk, and inter-project dependencies.
  • Handle time-sensitive escalations and production incidents requiring expert Ingress Security support.
  • Diagnose test failures, bugs, performance regressions, and other defects, and fix them.
  • Interview software engineering candidates and help cultivate the team's talent bench.
  • Maintain expertise in systems security, network security, and memory-safe systems programming research.

Requirements

  • 10+ years of experience building production-quality systems software with a large user base, robust design structure, and rigorous code quality.
  • Experience with large backend or compiled codebases and performance-sensitive software, preferably in Rust.
  • Strong systems fundamentals, including multithreaded programming and performance profiling.
  • Excellent verbal and written technical communication skills.
  • Strong mentorship, coaching, feedback, and enablement skills.
  • Strong time management and project-complexity assessment skills.
  • Bachelor's degree in Computer Science or a related field, or equivalent practical experience.
  • Strong competencies in data structures, algorithms, and software design and architecture.
  • Interest in high-availability, security-critical systems.
  • Passion for learning in computer science and software engineering.

Nice-to-haves

  • Hands-on experience in security-sensitive or networking-adjacent domains.
  • Understanding of network protocols, TLS, and connection lifecycle management.
  • Familiarity with attack-surface reduction, input validation, memory safety, and defense-in-depth architectures.

Work Arrangement

  • Hybrid role for candidates based in Dublin or Cork.

Skills

Rust, Systems Programming, Backend Development, Multithreading, Performance Profiling, Network Protocols, Tls, Memory Safety, Input Validation, Defense-In-Depth, Data Structures, Algorithms, Software Architecture

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