Senior Security Infrastructure Engineer
Job in
New York, New York County, New York, 10261, USA
Listing for:
Elliot Partnership
Full Time
position
Listed on 2026-02-27
Job specializations:
-
IT/Tech
Systems Engineer, Cybersecurity, Network Security, Security Manager
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly
USD
125000.00
150000.00
YEAR
Job Description & How to Apply Below
Location: New YorkSenior Security Infrastructure Engineer for a leading Quant Firm
Location: Hybrid working in New York
Compensation: Highly competitive compensation package
Are you an experienced security-focused systems engineer looking to work on complex, large-scale infrastructure? A leading technology-driven firm is seeking a Senior Security Infrastructure Engineer to help design and enhance its global security framework. This role offers the opportunity to work in a high-impact, collaborative environment at the intersection of security, networking, and large-scale computing.
What you’ll be doing :
As part of the Platform Engineering team, you’ll be responsible for securing and optimizing the firm’s global infrastructure.
Key responsibilities include:
Security & Authentication Systems – Design and implement secure authentication and security services, including Kerberos, X.509 PKI, and OAuth/OpenID Connect.Infrastructure Security & Integration – Ensure the seamless integration and support of new Linux OS distributions within a complex infrastructure environment.Security Framework Development – Continuously enhance security policies and controls across datacenters, cloud environments, and global offices.Advanced Troubleshooting – Diagnose and resolve security and infrastructure issues using host- and network-level diagnostic/tracing tools.Who you are:
Highly Experienced & Technical – 15+ years of security-focused systems engineering experience. A degree in computer science or a related field is preferred.Linux Security Expert – Deep knowledge of Linux operating systems and configuration management tools.Authentication & Security Specialist – Proven experience designing secure, scalable authentication systems.Programming Proficiency – Strong Python development skills, with experience in Rust, Java, C, Go, or C# being a plus.Networking & Infrastructure Knowledge – Familiarity with DNS, DHCP, network protocols, databases, and large-scale storage.Strong Communicator & Collaborator – Comfortable working across global teams and departments to drive security best practices.Why join us?
Work on cutting-edge security challenges in a large-scale, high-performance environment.Collaborate with top engineers to enhance security infrastructure for a global organization.Lead high-impact projects in authentication, network security, and infrastructure protection.If you’re passionate about security engineering, authentication systems, and large-scale infrastructure, we’d love to hear from you!
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Position Requirements
10+ Years
work experience
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