IT Systems Engineer Sr - Application Security

Ann & Robert H. Lurie Children's Hospital of Chicago•Chicago, IL

9h•Onsite

About The Position

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.

Requirements

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 analysis tools.
Understanding of network and edge security including WAFs, firewalls, segmentation, and internet‑facing exposure.
Ability to drive cross‑functional remediation across technical and non‑technical stakeholders.
Strong analytical and prioritization skills in a risk‑based environment.
Excellent communication skills with the ability to translate technical risk into business impact.
Bachelor’s Degree in Computer Science, Information Security, Information Systems, or related field, or equivalent work experience.
3–7+ years of experience in application security, cybersecurity, or enterprise application support.

Nice To Haves

Experience working in large enterprise environments with multiple commercial applications and integrations preferred.
Experience within a healthcare provider environment is desirable.
Security certifications such as CISSP, CSSLP, GWAPT, CASE, CEH, OSCP or equivalent are beneficial but not required.

Responsibilities

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.

Benefits

Medical, dental and vision insurance
Employer paid group term life and disability
Employer contribution toward Health Savings Account
Flexible Spending Accounts
Paid Time Off (PTO), Paid Holidays and Paid Parental Leave
403(b) with a 5% employer match
Various voluntary benefits: Supplemental Life, AD&D and Disability
Critical Illness, Accident and Hospital Indemnity coverage
Tuition assistance
Student loan servicing and support
Adoption benefits
Backup Childcare and Eldercare
Employee Assistance Program, and other specialized behavioral health services and resources for employees and family members
Discount on services at Lurie Children’s facilities
Discount purchasing program