Senior Security Infrastructure Engineer

🕒 June 25

🇨🇱 Chile – Remote

💵 $5k - $9.5k / month

⏰ Full Time

🟠 Senior

👷 Infrastructure Engineer

👻 Ghost score 56%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sezzle

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2016

💳 Fintech

👥 B2C

🛍️ eCommerce

Fintech • B2C • eCommerce

Sezzle is a financial technology company that offers a "buy now, pay later" service, allowing consumers to purchase products and pay for them in four interest-free installments over six weeks. The Sezzle app provides users with a flexible financing alternative to traditional credit cards, enabling instant approval decisions without impacting credit scores. Sezzle partners with various top brands, including Amazon, Walmart, and Target, to offer in-app and in-store payment options. The company's mission is to empower consumers financially by providing more financial freedom and control. It is available as a mobile app, with millions of downloads and high user ratings, and works towards accessibility and inclusion on its platform.

📋 Description

• Lead and operate vulnerability management across infrastructure, platforms, and applications • Build, operate, and mature SIEM/XDR capabilities, including log ingestion, detection rules, alert tuning, and investigation workflows • Investigate and respond to security incidents across cloud infrastructure and applications • Perform root cause analysis and drive long-term fixes • Design detection strategies for suspicious activity and data exfiltration patterns • Lead threat modeling exercises and security design reviews • Design, secure, and improve AWS and Kubernetes infrastructure • Drive infrastructure and CI/CD hardening initiatives • Implement dependency and container supply chain risk detection systems and controls • Partner with engineering teams to remediate vulnerabilities and improve secure development and deployment practices • Support security controls aligned with PCI DSS, SOC 2, and other compliance requirements • Develop automation, including AI where appropriate, for security operations, detection, and response • Triage and validate external security findings and coordinate remediation

🎯 Requirements

• 6+ years of experience in security, software, or infrastructure engineering • Hands-on experience securing cloud-based production systems • Experience with threat modeling and security design reviews • Strong hands-on experience in vulnerability management • Experience with SIEM platforms such as Wazuh, Splunk, or ELK • Experience triaging vulnerability scanner and bug bounty findings • Strong knowledge of AWS, Linux, and Kubernetes infrastructure • Experience with CI/CD hardening and software supply chain risk mitigation • Experience with container and dependency security tools such as Snyk, Trivy, or Grype • Ability to investigate issues using logs, cloud tooling, and system-level data • Knowledge of OWASP, SANS, and common security vulnerabilities • Working knowledge of PCI DSS and SOC 2 • Demonstrated experience with Claude or equivalent large language model tools is required • Preferred: detection rule design and tuning, cloud-native security controls, telemetry pipelines, secure CI/CD workflows, risk assessment, compliance alignment, and security automation/AI

🏖️ Benefits

• Gross monthly salary of $5,000–$9,500 USD • Remote work in Chile • Opportunity to use modern tooling, including AI • High degree of ownership and autonomy • Innovative, dynamic fintech environment • Opportunity to shape and scale security capabilities • Collaboration with global teams • Full-time employment