IT Systems Engineer Sr - Application Security

## IT Systems Engineer Sr - Application Security Apply locations:
Streeterville, Chicago, ILtime type:
Full time posted on:
Posted Yesterday job requisition :
JRAnn & Robert H. Lurie Children’s Hospital of Chicago provides superior pediatric care in a setting that offers the latest benefits and innovations in medical technology, research and family-friendly design. As the largest pediatric provider in the region with a 140-year legacy of excellence, kids and their families are at the center of all we do. Ann & Robert H. Lurie Children’s Hospital of Chicago is ranked in all 10 specialties by the U.S. News & World Report.
** Location
* * 680 Lake Shore Drive
** Job Description
** The
** Application Security Engineer
** is a hands‐on technical role responsible for implementing, validating, and maintaining security controls across all tiers of the hospital’s application stack, including database, middleware, web server, API, and presentation layers. The engineer ensures applications, integrations, and supporting components are securely configured, monitored, and aligned with enterprise security standards.

This role works directly with infrastructure, vulnerability management, and vendors to identify, remediate, and prevent application‐layer risks. The engineer performs hands‐on validation, troubleshooting, and configuration enforcement to ensure secure‐by‐default application deployments across the enterprise.
*
* Essential Job Functions:

*** Serve as the central authority for application and integration risk by applying consistent security standards across a portfolio of more than 250 commercial and third‐party applications.
* Identify and reduce application‐layer risk across third‐party applications, APIs, system integrations, automated file transfers, and service accounts.
* Interface with application vendors, application owners, and other departments as needed.
* Assess and secure internet‐facing applications by identifying exposed access points and prioritizing remediation of high‐risk entry vectors.
* Enforce standardized security controls for authentication, authorization, credential and secret management, encryption, and secure communication patterns.
* Partner with application owners and vendors to eliminate insecure configurations, excessive access, credential misuse, and other security issues.
* Evaluate and secure applications throughout their lifecycle including procurement, implementation, integration, and ongoing operations.
* Support third‐party risk management by assessing vendor integrations, data flow methods, and exposure points.
* Drive remediation of application vulnerabilities identified through vulnerability scanning (e.g., Qualys), configuration reviews, and security testing of externally facing systems.
* Improve visibility and governance over application security posture by tracking exposure trends, risk reduction, and remediation progress.
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* Knowledge, Skills and Abilities:

*** Strong understanding of application‐layer attack paths including credential compromise, integration abuse, API exploitation, and external exposure risks.
* Deep knowledge of authentication and authorization models such as SSO, OAuth, service accounts, and secure integration patterns.
* Expertise in encryption and data protection across application and integration workflows.
* Experience in complex enterprise environments with large commercial application portfolios.
* Strong familiarity with OWASP Top 10, common exploitation techniques, IAM concepts, and secrets/credential lifecycle management.
* Knowledge of CIS Controls and Benchmarks as they apply to application security.
* Experience with vulnerability scanning and testing tools such as Qualys, Qualys WAS, Metasploit, SAST/DAST, and configuration/exposure…