Poshmark - Senior Infrastructure Security Engineer

Description : About the job :

Confidence can sometimes hold us back from applying for a job.

Heres a secret : there's no such thing as a "perfect" candidate.

Poshmark is looking for exceptional people who want to make a positive impact through their work and help create an organization where everyone can thrive.

So whatever background you bring with you, please apply if this role would make you excited to come to work every day.

Job Description :

Senior Security Engineer - Infrastructure Security

Security team at Poshmark is responsible for securing our application platform, cloud infrastructure, and IT systems to protect Poshmark and its 60 million Community members.

As a AWS and Infrastructure Security Engineer, you will collaborate with other security team members and other stakeholders to design and harden infrastructure, network and access implementing security best practices.

Responsibilities :

• Design, implement and maintain secure AWS architecture aligned with industry standards, security best practices and CIS benchmarks.
• Harden corporate IT and SaaS applications (Okta, CrowdStrike, Jamf, etc.) through security best practices and layered defense.
• Develop and maintain cloud and infrastructure security reference architectures, and policies.
• Continuously assess and manage vulnerabilities across cloud, infrastructure, and endpoint systems.
• Conduct regular security gap analyses, security reviews, risk assessments, and drive remediation with system owners.
• Integrate infrastructure security into CI / CD pipelines and change management processes.
• Architect and enforce cloud and enterprise IAM controls with Okta and AWS IAM, focusing on least privilege, SSO, and federation.
• Strengthen endpoint and server protection through configuration management and continuous monitoring.
• Partner with Engineering, DevOps, SRE, IT, and Compliance teams to ensure security requirements are embedded throughout the infrastructure lifecycle.
• Help with incident response activities across AWS and corporate environments including detection, investigation, containment, eradication, and recovery.
• Mentor junior engineers and contribute to a culture of proactive, engineering-driven security.

Requirements :

Poshmark is an Equal Opportunity Employer.

We celebrate diversity and are committed to creating an inclusive environment for all employees

(ref : hirist.tech)