Senior Infrastructure Security Engineer

🕒 January 27

🇺🇸 United States – Remote

💵 $138k - $190k / year

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

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Prosper Marketplace

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2005

💳 Fintech

💸 Finance

👥 B2C

Fintech • Finance • B2C

Prosper Marketplace is a pioneering financial technology company founded in 2005, known for being the first peer-to-peer lending marketplace in the United States. The company facilitates a range of financial solutions including personal loans, credit cards, and home equity loans, alongside investment opportunities in personal loans. They aim to help individuals improve their financial well-being by offering low-interest fixed-rate personal loans, debt consolidation, credit card solutions, and home equity lines of credit. Prosper Marketplace also promotes financial education through their resources hub, blog, and newsletters. With over $28 billion in loans facilitated, Prosper is dedicated to providing secure, fast, and fair financial services to its users.

📋 Description

• Take ownership of cloud security work across GCP and Azure, from design through day-to-day execution, working closely with infrastructure, platform, data, and application teams. • Run our data security and vulnerability management efforts, including DLP, sensitive data discovery, and remediation tracking across both cloud environments. • Build and maintain security automation using IaC (Terraform) and CI/CD pipelines so security controls are consistent, auditable, and easy for engineering teams to adopt. • Own and evolve our cloud security posture tooling (Wiz) tuning policies, investigating real risks, cutting down noise, and driving fixes that actually reduce exposure. • Regularly review cloud configurations, identify gaps, and fix issues before they turn into incidents, while owning infrastructure security controls tied to PCI and SOC 1/2. • Write and maintain clear cloud security standards and runbooks that engineers can actually follow. • Improve detection and response by building practical detections and response playbooks in Chronicle SIEM. • Act as a senior escalation point during incidents, helping teams triage, contain, and resolve cloud security issues. • Mentor other engineers and help raise the overall security bar without creating friction or silos.

🎯 Requirements

• 5+ years of hands-on cloud or infrastructure security experience, with real production experience in both GCP and Azure. • 5+ years of experience with security assessments, security design reviews, or threat modeling. • Strong understanding of cloud fundamentals; IAM, networking, logging, monitoring, encryption and how security failures actually happen in cloud environments. • Experience delivering comprehensive security solutioning through design, coding, configuration and deployment. • Solid Python skills for automation, integrations, and reducing manual security work. • Practical experience using Terraform and security-as-code, including integrating security checks into CI/CD pipelines. • Hands-on experience with Wiz or similar CNAPP tools, with the ability to distinguish real risk from noise and drive remediation. • Experience writing or tuning detections in Chronicle SIEM and understanding how cloud threats show up in logs. • Background in vulnerability management, including prioritization, remediation tracking, and working with engineering teams to get fixes shipped. • Familiarity with penetration testing and using findings to improve systems, not just generate reports. • Ability to explain risk clearly to engineers without jargon. • Comfortable owning and driving projects end-to-end as an Individual Contributor or with a team, leveraging a highly collaborative environment.

🏖️ Benefits

• Flexible time off • Comprehensive health coverage • Competitive salary • Paid parental leave • Childcare assistance • Pet insurance discounts • Legal assistance • Additional discounts through Perkspot • Udemy access