IT Systems Engineer Sr - Application Security

luriechildrens; Chicago (IL); On-site; USD 94,000 - 154,000; Full time

Job summary

The Application Security Engineer is a hands-on role at Ann & Robert H. Lurie Children's Hospital of Chicago, accountable for implementing, validating, and maintaining security controls across the hospital's application stack.

You will collaborate with infrastructure, vulnerability management, and vendors to remediate risks and enforce secure deployments. Requirements include 3–7+ years in application security, familiarity with OWASP Top 10, and certifications are beneficial but not required.

Qualifications

• Bachelor's Degree in Computer Science, Information Security, Information Systems, or related field.
• 3-7+ years of experience in application security, cybersecurity, or enterprise application support.
• Experience working in large enterprise environments with multiple commercial applications and integrations preferred.
• 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.

Skills

Application security

Vulnerability management

OWASP Top 10

Risk assessment

Cross-functional

Communication skills

Threat modeling

Education

Bachelor's Degree

Tools

Qualys

Metasploit

SAST/DAST

Job description

Ann & 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.

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 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.

Education and Experience

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.

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.

Education

Bachelor's Degree

Pay Range

$93,600.00-$154,440.00 Salary

At Lurie Children's, we are committed to competitive and fair compensation aligned with market rates and internal equity, reflecting individual contributions, experience, and expertise. The pay range for this job indicates minimum and maximum targets for the position. Ranges are regularly reviewed to stay aligned with market conditions. In addition to base salary, Lurie Children's offer a com