Top Senior Security Engineer Jobs in Chicago, IL

As a Senior Security Engineer, you'll manage security operations, develop response strategies, automate processes, and mentor junior staff within a 24x7 Managed Security Services environment.

The Senior Security Engineer will secure patient data, lead security initiatives, manage vulnerabilities, and advocate for a security culture in the organization.

Design and build production-grade security automation and AI-assisted SOAR playbooks to convert detections into policy-driven responses. Integrate across identity, endpoint, network, cloud, and SaaS, embed guardrails, ensure measurable and auditable outcomes, and enable self-healing and resilient automation. Collaborate with platform owners and response teams and embed security controls into CI/CD and policy-as-code pipelines.

The Sr. Security Engineer I leads incident response, threat detection, and engineering, managing investigations, enhancing detection capabilities, and mentoring analysts.

Hands‑on senior engineer to design, deploy, and operate enterprise data protection capabilities (Microsoft Purview, DLP, DSPM). Responsibilities include data discovery, classification, labeling, encryption, detection logic, integration with identity/endpoint/SIEM, incident support, automation, and cross‑functional partnership to reduce data exposure and improve control effectiveness.

The Senior Security Engineer will establish secure software development standards, conduct security assessments, and develop security tools while fostering a security-conscious culture across teams.

As a Senior Security Engineer, you'll lead threat modeling efforts, collaborate with teams to address vulnerabilities, and guide compliance reporting, all while advocating Samsara's security and compliance strategy.

The Senior Security Engineer will manage Samsara's Vulnerability Management program, collaborate with teams to enhance security practices, and maintain tooling to improve vulnerability detection and remediation processes.

The Senior Security Engineer will manage customer identity platforms, ensuring secure authentication and access across products, while supporting integration and optimizing performance.

Identify, analyze, and resolve security vulnerabilities while enhancing security infrastructure, threat detection, and compliance processes across PEAK6's systems.

As a Senior Cloud Security Engineer, you'll enhance cloud security through risk assessment, vulnerability management, secure architecture design, and automation in cloud environments, notably AWS and GCP.

As a Staff Engineer in the InfraSec team, you'll lead the design and deployment of security solutions for cloud platforms, automate monitoring, and manage security tooling while mentoring a small team of SREs.

The Senior Application Security Engineer will advance MongoDB's security program by securing applications, conducting assessments, and collaborating with cross-functional teams to improve security practices.

Lead penetration testing and vulnerability remediation for web, mobile, and medical device applications, ensuring compliance with healthcare regulations.

The Application Security Engineer will lead the application security program, provide guidance, improve tooling, and ensure secure development practices across engineering teams.

The Senior Security Engineer will design and build security tools, collaborate with teams, and contribute to AI/ML security research. Responsibilities include security solution architecture, secure implementation, and effective communication of technical concepts.

Drive application security by running SAST/SCA, threat modeling, vulnerability management, and remediation. Advise on secure architecture, train engineers, support pentests/bug bounties, and administer AWS Control Tower and IAM. Innovate with AI to improve AppSec tooling and practices.

Identify and remediate cloud infrastructure vulnerabilities, codify IaC compliance in Terraform/Python/OPA, run IaC security scans, advise and mentor engineers, ensure AWS/Lambda security and regulatory compliance, and engage stakeholders and the security community.

Design, implement, and manage identity and access solutions, enhance security posture, automate identity processes, and ensure compliance with security regulations.

The Senior Product Security Engineer will focus on enhancing the security of MongoDB's products and services, ensuring the safety and privacy of data. Key responsibilities include identifying and addressing security vulnerabilities and collaborating with engineering teams to integrate security practices.

The role involves enhancing product security by identifying and fixing vulnerabilities in endpoint applications, collaborating with product teams, and improving security practices through threat modeling and testing.

The Senior Cloud Security Engineer will design, implement, and manage security solutions across cloud environments, enhance security posture, and automate deployments. Responsibilities include assessing security risks, collaborating with teams, and crafting policies.

As a Senior Backend Engineer, you'll develop and enhance authentication strategies, improve access management, and ensure security for GitLab users, focusing on scalable solutions.

As a Security Engineer, assess and implement security measures for software supply chains, guide engineers on security risks, and manage security initiatives.

Design and build security controls for MongoDB Atlas multi-cloud infrastructure. Collaborate with teams to ensure highest security standards and lead projects on scalable security services.