
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.
🔥 33 minutes ago
💃 Latin America – Remote
💵 $5k - $9.5k / month
⏰ Full Time
🟠 Senior
🛜 Network Engineer / Network Administrator
👻 Ghost score 21%
Where this job comes from
Posted on Sezzle's careers page, not through a job board
First seen by Remote Rocketship 33 minutes ago

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.
• Own east-west segmentation across Kubernetes clusters using default-deny micro-segmentation and identity-bound paths • Design and roll out mutually authenticated, encrypted service-to-service connections using mTLS • Maintain a continuously reconciled map of VPC peerings, tunnels, cross-account links, and public entry points • Implement and enforce production and cardholder-data-environment boundaries and conduct segmentation testing • Partner with IT to evaluate and deliver per-application private access through ZTNA • Own network telemetry, including east-west and north-south flow logs, and feed it to the SIEM • Own cluster admission control, infrastructure-as-code enforcement, and automated drift detection and remediation • Build containment capabilities for isolating workloads or segments during lateral-movement incidents • Participate in threat modeling, traffic-flow design reviews, incident response, and on-call rotation • Write policies, tooling, and rollout automation; coordinate changes across other teams' services • Use and build AI-assisted engineering workflows for flow analysis, policy generation, and drift review • Report to the Director of Information Security and collaborate with security platform, detection and response, platform, and IAM teams
• 6+ years of experience in security, network, platform, or infrastructure engineering, with hands-on ownership of network controls in cloud production environments • Deep practical Kubernetes networking knowledge: CNI, NetworkPolicy semantics, DNS, ingress/egress, and experience rolling segmentation out on live clusters without outages • Strong AWS networking knowledge: VPCs, subnets, security groups, peering, Transit Gateway, PrivateLink, load balancers, and flow logs • Hands-on experience with mTLS and service-to-service authentication • Infrastructure as code using Terraform and Helm or equivalents, through merge requests and CI • Ability to write code in Go, Python, or Bash for tooling and automation • Ability to investigate with packet captures, flow logs, and system-level data • Working knowledge of PCI DSS network requirements, including segmentation, cardholder-data environment scoping, and segmentation testing • Demonstrated current use of AI tooling such as Claude Code, Codex, Cursor, or custom LLM integrations • Preferred: Cilium/eBPF, Hubble or equivalent, fleet-scale mTLS, certificate lifecycle, service mesh, SPIFFE/SPIRE, AI-assisted workflows, ZTNA, policy-as-code, admission control, network detection, IDS/IPS, SOC 2, FFIEC-style expectations, and regulated-industry experience
• Competitive gross salary of $5,000–$9,500 USD per month, based on experience • Culture including skilled musicians, yogis, cyclists, chefs, golfers, dog-lovers, and rock-climbers • Open-source-focused engineering environment • AI-assisted engineering workflows and tools
Apply NowImprove your chances of getting an interview by checking your resume score before you apply.
🕒 6 days ago
201 - 500
Network Engineer managing Juniper-based NOC operations for global managed network services. Troubleshooting, provisioning, monitoring, and escalating core network infrastructure during night shifts.
🕒 October 19
201 - 500
Network Engineer managing Juniper-based network operations for AireSpring, a cloud communications, connectivity, and security provider. Troubleshooting, provisioning, monitoring, and supporting core infrastructure on the LATAM night shift.