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Security Engineer (AppSec)

Brookfield, Wisconsin, United States💼 Full-time🗓 2026-01-08 → 2026-09-26

Core

Identify and mitigate security vulnerabilities in software applications for managed services clients, ensuring security standards and collaborating with development teams.

Role type

Senior IC Application Security Engineer (Software Focus)

Builds

Secure software applications and remediate vulnerabilities for enterprise clients

Domain

Cybersecurity / Software Development

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Penetration testing, secure coding practices, security assessment tools, web application security, security architecture design, vulnerability remediation, Microsoft stack development, C#, Java, C++, Python, OWASP, NIST

Preferred skills

Embedded systems knowledge, CEH, CISSP, CCSP certifications

Technologies

Qualys, BurpSuite, Snyk, SCA, .NET, .NET Core, Azure

Responsibilities

Conduct security assessments and penetration testing, identify and prioritize vulnerabilities, collaborate on secure coding practices, participate in security architecture design, provide developer training on secure coding, review pen test and vulnerability assessments

Seniority

Senior, hands-on IC

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