Principal Security Infrastructure Engineer
Glocomms is supporting one of the world's top hedge funds in the search for a Principal Security Infrastructure Engineer to join their elite global technology organization. This individual will help design, implement, and maintain secure, large-scale authentication and identity systems across a global footprint. The firm is known for its rigorous technical environment, low-latency infrastructure, and commitment to engineering excellence.
Key Responsibilities
Architect and implement secure authentication systems using Kerberos, PKI (X.509), OAuth2, and OpenID Connect
Manage and evolve Linux authentication platforms, integrating with identity services across Windows and cloud environments
Enhance core infrastructure services, including DNS, DHCP, and directory services
Troubleshoot complex issues at the host, network, and authentication layers
Collaborate across infrastructure, security, and software engineering teams to build scalable identity solutions
Develop automation and tooling in Python, with additional contributions in Rust, Go, C, Java, or C#
Contribute to security policy, system hardening standards, and the overall infrastructure security architecture
Work within a high-performance, globally distributed infrastructure spanning datacenters and cloud environments
Ideal Candidate Profile
8+ years of experience in systems engineering, infrastructure security, or related fields
Strong understanding of Linux authentication, PKI, Kerberos, OAuth2, and OpenID Connect
Solid background in network protocols, DNS, DHCP, and operating system internals
Skilled in Python, with working knowledge of at least one additional language: Rust, Go, Java, C, or C#
Proven track record of troubleshooting complex infrastructure issues at scale
Experience with configuration management tools (e.g., Ansible, Puppet, Chef)
Ability to collaborate effectively across global teams and communicate complex concepts clearly
Bachelor's degree in Computer Science or related field; advanced degrees a plus
Nice to Have
Exposure to multi-cloud identity architectures, SSO, or Zero Trust models
Familiarity with DevSecOps, secure software development, or cloud-native infrastructure
Contributions to open source authentication or infrastructure tools
What's in it for You?
Tackle some of the most critical infrastructure and security challenges in a high-impact role
Work alongside a highly skilled and collaborative team of engineers and architects - the best in the industry
Competitive compensation packages, including yearly bonuses and world-class benefits
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