Posted:
4/16/2026, 2:43:43 AM
Location(s):
New York, United States ⋅ Toronto, Ontario, Canada ⋅ City of Rochester, New York, United States ⋅ Kentucky, United States ⋅ Ontario, Canada ⋅ Louisville, Kentucky, United States
Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior
Field(s):
IT & Security ⋅ Software Engineering
Workplace Type:
Hybrid
Our Marsh Information Security team is seeking candidates for the following position based in NYC, Toronto or Louisville, KY and be onsite 3 days a week. The Application Security Engineer will act as a security advisor to various teams across Marsh. You will also develop code samples and prototypes.
Application Security Engineer
We will count on you to:
Serve as a security advisor to various teams across Marsh.
Review projects for security weaknesses, risks, and vulnerabilities.
Stay at the forefront of new security controls, technology trends, and emerging threats.
Create or update application security best practices and develop code samples, prototypes, and tools to enhance the depth of security reviews.
Collaborate with various Marsh technology organizations.
Quickly “dive” into new projects to provide security expertise and support.
What you need to have:
Passion for Information Security and problem solving.
Experience with microservices, Kubernetes, and cloud technologies.
Proficiency in building and using APIs, scripts, and applications, preferably in Python.
Good understanding of cryptography, encryption and digital signature
Strong understanding of authentication methods, protocols, and Application Security fundamentals.
Experience with Security by Design frameworks, Threat Modeling, and Secure SDLC.
Penetration testing and vulnerability assessment. Experience with Burp Suite.
What makes you stand out?
Experience in securing LLM-based applications and AI agents, including RAGs.
Knowledge of Federation, SAML, and OAuth protocols.
Experience with Diagram as Code framework
Why join our team:
We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Website: https://www.oliverwyman.com/
Headquarter Location: New York, United States
Employee Count: 1001-5000
Year Founded: 1984
IPO Status: Private
Industries: Consulting ⋅ Finance ⋅ Financial Services ⋅ Risk Management