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Lead Security Engineer - new build out!

Sartre Group
Chicago, IL Full Time
POSTED ON 3/7/2025
AVAILABLE BEFORE 4/5/2025

Lead Security Engineer – greenfield build out.


We are looking for a lead security engineer to help build out a new area for a world leading high-frequency trading firm in Chicago. As the lead security engineer, you will be responsible for driving their systems’ first line of defense by embedding strong security measures across their infrastructure, data and operations globally.


As the lead security engineer, you will be reporting directly into the global head of infrastructure and your responsibilities will include the following;


  • Build and lead a small team of security engineers
  • Assess and fortify their global security infrastructure, identifying opportunities for improvement
  • Define and prioritize security engineering efforts to implement scalable, uniform controls
  • Build a roadmap of security initiatives across software development and operational practices that elevate their security posture
  • Partner with the information security team to ensure alignment on risk oversight and security strategy
  • Lead vulnerability assessments and coordinate efforts to mitigate risks


We are interested in talking to people with the following experience:


  • 5 years of experience shaping security strategies and implementing solutions in a complex, high-stakes environment
  • 1-2 years experience leading security engineering teams
  • Proficiency with security technologies and protocols such as encryption, PKI, TLS, Kerberos, and OAuth, applied in a Linux environment
  • Prior experience with secure software development practices
  • Experience with scripting or programming in Java, JavaScript, Python, Go, or C
  • Comfortable analyzing code bases and submitting patches to owner teams to fix an issue or clarify an implementation approach
  • Demonstrated experience in cloud security with hosted and on-prem cloud infrastructure
  • Hands-on experience with security assessment tools and methodologies
  • Industry certifications (e.g., CISSP, SANS) and a commitment to continuous learning a plus
  • Excellent communication skills with the ability to convey technical concepts to diverse audiences


The company itself is one of the mostly technologically advanced trading businesses in the world. They have an incredible company culture, one that supports close-team collaboration, innovation and a good work-life balance. If you’re a lead security engineer looking for a new challenge then please don’t hesitate to get in touch!


Compensation Package: $350,000 - $500,000 USD

Salary : $350,000 - $500,000

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