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The salary range for this role is $5,000 - $9,500 per month (Gross in USD) About Sezzle: With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible. We’re not just transforming payments; we’re redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we’re building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey. If you’re excited about pushing boundaries in tech and delivering a game-changing experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping! Compensation : For this principal development role, with 6+ years of experience, the compensation range is $5,000 - $9,500 USD per month, based on experience level and gross amount. This range acknowledges the extensive expertise, leadership capabilities, and significant contributions expected at this level, offering a competitive salary to reflect the value of advanced skills and experience About the Role: We are seeking a hands-on Senior Security Engineer, Network & Zero Trust , to own the network pillar of Sezzle's zero-trust program: every connection explicitly allowed, authenticated by service identity, and attributable after the fact — across our Kubernetes clusters, AWS accounts, and the paths between them. You will take ownership of our network-policy program — default-deny micro-segmentation across our Kubernetes clusters — and carry the rest of the pillar forward with it: identity-aware service-to-service transport, per-application private access, flow-level visibility, and network configuration managed as reviewed code. This is an engineering role: you will write the policies, the tooling, and the rollout automation yourself, and you will carry changes through other teams' services without breaking delivery. You will report to the Director of Information Security and work alongside the engineers who own the security platform and detection and response, and with the platform and IAM teams on service identity — your network controls are what their work relies on, and your telemetry is what their detections run on. At Sezzle, AI-assisted engineering is a standard part of how we work. In this role you will use and build agentic workflows — flow analysis, policy generation from observed traffic, drift review — that let the team segment a large estate. What You’ll Do: • Own east-west segmentation across our Kubernetes clusters: design the segmentation model, derive network policies from observed traffic, and keep every workload reachable only through explicitly allowed, identity-bound paths — a default that holds as the estate grows, not a one-time project. • Deliver identity-aware transport — design and roll out mutually authenticated, encrypted service-to-service connections (mTLS), so that authorization decisions rest on verified service identity. • Keep a live map of the network: VPC peerings, tunnels, cross-account links, and every public entry point — built from cloud APIs and reconciled continuously, so every path into production is known and justified. • Own segmentation of production and the cardholder-data environment: implement and enforce the CDE and high-trust-tier boundaries, review every peering and public exposure against them, and run segmentation testing with the security team. • Partner with IT on private access: ev

Senior Security Engineer, Network & Zero Trust

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Senior Security Engineer, Network & Zero Trust

No apliques sin prepararte