Senior Security Engineer, Detection & Response

🕒 October 13

🇮🇳 India – Remote

💵 $5k - $9.5k / month

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 21%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 33 days.
• Jobs at this company usually fill in 49 days.
• 238 open roles for a team of 278.

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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

• Build, operate, and mature SIEM/XDR capabilities, including log ingestion, detection rules, alert tuning, and investigation workflows • Design detection strategies for suspicious activity and data exfiltration patterns • Extend audit and attribution coverage across Kubernetes, databases, SSO, and access-path telemetry • Investigate and respond to security incidents across cloud infrastructure and applications • Perform root cause analysis and drive long-term fixes • Run proactive threat hunts across cloud and identity planes • Build repeatable agentic threat-hunting workflows • Operate vulnerability management across infrastructure, platforms, and applications • Triage and validate external security findings, including bug bounty reports • Coordinate remediation with engineering teams • Contribute to threat modeling and security design reviews • Apply AWS and Kubernetes expertise to secure systems and advise teams on remediation • Support security controls aligned with PCI DSS, SOC 2, and other compliance requirements • Develop automation, including AI, for security operations, detection, and response • Participate in the on-call rotation • Report to the Director of Information Security and collaborate with security platform, network, and zero-trust engineers

🎯 Requirements

• 6+ years of experience in security, software, or infrastructure engineering • Hands-on experience securing cloud-based production systems • Experience with SIEM platforms such as Wazuh, Splunk, or ELK • Experience designing and tuning detection rules, reducing alert noise, and improving investigation workflows • Strong hands-on vulnerability management experience, including scanning, triage, validation, remediation coordination, and verification • Strong knowledge of AWS, Linux, and Kubernetes infrastructure • Ability to investigate issues using logs, cloud tooling, and system-level data • Experience assessing detection and logging implications in design reviews • Knowledge of common security vulnerabilities and mitigation strategies, including OWASP and SANS • Working knowledge of PCI DSS and SOC 2 compliance frameworks • Demonstrated current use of AI tooling such as Claude Code, Codex, Cursor, or custom LLM integrations

🏖️ Benefits

• Gross monthly salary of $5,000–$9,500 USD • Remote work • AI-assisted engineering workflows • Participation in global/remote team culture and activities

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