Application Security Engineer

. Partner with engineering teams to improve security of containerized services running on Kubernetes .

Posted 9/25/2026full-timeChicago • Illinois • United StatesJuniorMid-Level💰 $102,850 - $133,100 per yearWebsite

Tools & technologies

Cyber SecurityDockerJavaJavaScriptKubernetesNode.jsPythonGo

Key responsibilities & impact

Partner with engineering teams to improve security of containerized services running on Kubernetes
Participate in secure design reviews and threat modeling for new features, services, and APIs
Perform code-level security reviews and provide clear, actionable remediation guidance to developers
Help integrate and operate security tooling in CI/CD pipelines, including SAST, dependency and container image scanning (SCA), and secret detection
Validate and triage security findings, distinguishing real risk from false positives and helping prioritize remediation based on impact
Contribute to container image security practices, including secure base image usage, dependency hygiene, and attack surface reduction
Assist in defining and applying secure coding and deployment standards for Kubernetes workloads, APIs, and service-to-service communication
Support incident response and post-incident reviews by helping analyze root causes and contributing to preventative fixes
Continuously grow application and Kubernetes security skills through hands-on work and mentorship from senior team members
Report to the Manager, Cybersecurity

What you’ll need

2+ years of professional experience in software engineering, application security, or a closely related role
Bachelor's degree in Computer Science, Information Security, or a related field
Hands-on software development experience, including building, testing, and deploying production services, and comfort reading and modifying existing codebases
Experience building and running Docker/OCI containers, with an understanding of container images, layers, and runtime behavior
Familiarity with Kubernetes, including deploying or supporting applications and working with core primitives (pods, deployments, services, ingress) and basic security concepts (RBAC, namespaces, service accounts)
Working knowledge of common web and API vulnerabilities, including authentication/authorization issues, injection, and SSRF, and secure coding practices
Proficiency in at least one backend programming language, such as Go, Java, C#, Python, or Node.js
Experience with modern CI/CD workflows and Git-based development
Exposure to application security tooling such as SAST, dependency or container image scanning, or secret scanning tools
Must be legally authorized to work in the United States without the need for employer sponsorship now or in the future

Comp & perks

Fair and competitive salary and incentive compensation packages with an upside for overachievement
Generous paid time off, including vacation, personal days, sick days and annual community service days
Health, dental and vision benefits, including access to telemedicine and mental health services
2:1 401(k) match, up to 8% match immediately upon hire
Discounted Employee Stock Purchase Plan
Tax Savings Accounts for health, dependent and transportation
Employee referral bonus program
Volunteer opportunities to help you give back to your communities
Paid Tuition assistance and education opportunities
Generous charitable giving company match
Paid parental leave and fertility benefits