Skip to main content
TryApplyNow
Jane Street logo

Senior Cybersecurity Design Architect (OCaml Experience)

Jane Street
New York, New York, United StatesPosted 7 days ago

Role Overview

Jane Street is hiring a Senior Cybersecurity Design Architect (OCaml Experience). This is a part-time role in New York, New York. posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

PythonORCybersecurityDesignArchitectJaneStreetGroup

Job description

Senior Cybersecurity Design Architect

Jane Street Group, LLC has multiple openings for a Senior Cybersecurity Design Architect in New York, New York.

The position duties are as follows: Serve as a technical security leader and cross-functional coordinator, translating security requirements into practical implementations and leading security initiatives from assessment through implementation. Day-to-day duties include: 

  • Conduct threat modeling assessments, security audits and reviews of systems, processes, third-party integrations and applications across Jane Street; 
  • Lead security initiatives across cross-functional teams, managing project timelines and stakeholder expectations while defining security requirements and implementing new security controls and monitoring solutions; 
  • Act as primary cyber liaison for multiple teams including Unified Communications, Physical Security, MacOS Team, Workplace Services, Creative Engagement, IT Movers Adders Changers; 
  • Drive internal process improvements including interteam process enhancements and threat modeling methodology refinements; 
  • Perform penetration testing on internal systems and applications;
  • Participate in security incident response and remediation; and 
  • Mentor and train junior cybersecurity team members and engineers across the firm. 

The position requires a 3 or 4 year Bachelor’s degree in Computer Science, Information Security, Cybersecurity, or related technical field or foreign equivalent plus 4 years of progressively responsible experience as a cybersecurity engineer, cybersecurity architect, or similar occupation.  Experience must include: 

  • 2 years of experience performing threat modeling, penetration testing, and vulnerability assessments for systems built with Python and OCaml;
  • 2 years of experience managing projects and leading cybersecurity initiatives across multiple, global teams, including experience in architecture reviews and application security;
  • 2 years of experience assessing security of low-latency trading systems; 
  • 2 years of experience building security frameworks, including experience in application security and SDLC, working closely with engineers to secure custom-built systems;
  • All technical requirements for this role may be subject to employer conducted testing to assess minimum proficiency.

Part time telecommuting may be permitted with manager approval.

Ref. SSAEP26

About Jane Street

Jane Street logo

Jane Street

janestreet.com

On-site

84 other open roles at Jane Street on TryApplyNow.

Frequently Asked Questions

How do I apply for the Senior Cybersecurity Design Architect (OCaml Experience) position at Jane Street?

Use the Apply button above to submit your application directly to Jane Street. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Cybersecurity Design Architect (OCaml Experience) position at Jane Street located?

This position is based in New York, New York. Jane Street has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Cybersecurity Design Architect (OCaml Experience) at Jane Street earn?

Jane Street has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Cybersecurity Design Architect (OCaml Experience) role at Jane Street posted?

This role was posted on July 7, 2026 (7 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Cybersecurity Design Architect (OCaml Experience) role at Jane Street require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Jane Street lists their specific requirements in the description below, so review the must-have qualifications closely before applying.

AI-powered job search

Get every job scored to your resume

Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.

Get started free

No credit card to start