Job Details

About Vesta

Vesta helps wireless providers make more money by improving a part of their business most don't think about - payments. Vesta works with major names like AT&T, Rogers, Telcel, and Vodafone, helping them stop fraud, reduce failed transactions, and make sure more transactions are successful. For MNOs, MVNOs and prepaid carriers, this can mean fewer lost customers and more revenue - all without adding friction to the checkout experience. With over 100 million transactions processed every year in 40+ countries, Vesta helps wireless providers turn their payment systems into a competitive advantage.

The Opportunity

Location: Remote / Atlanta, GA

Reports To: Director of Infrastructure & Network Security

Job Type: Full-time

Vesta Corporation is looking for a Senior Infrastructure Engineer to design, build, and secure our next-generation infrastructure. This is a hands-on, high-impact role that requires both technical expertise and the ability to work independently on mission-critical projects. You'll thrive if you are a self-starter, comfortable in small teams, and motivated to take ownership from concept to completion.

Key Responsibilities

• Linux Engineering & Hardening - Architect, tune, and secure enterprise-grade Linux systems.
• Automation at Scale - Drive Infrastructure-as-Code adoption with Ansible, Terraform, and scripting (Python/Bash/Go).
• Virtualization & Orchestration - Manage high-availability Proxmox clusters, VM lifecycle, storage integrations, and DR strategies.
• Kubernetes Leadership - Design and operate k8s/k3s clusters, enabling CI/CD pipelines and automated deployments.
• Enterprise Storage & Backup - Oversee TrueNAS/ZFS platforms, snapshots, and Proxmox Backup Server.
• Monitoring & Observability - Implement Prometheus, Grafana, Splunk, and ensure proactive incident response.
• Hybrid Cloud Architecture - Build secure, resilient environments across AWS and Azure with IAM, overlays, and connectivity to on-prem.
• Security & Compliance - Apply PCI/SOC standards, enforce access controls (LDAP/SSO), and lead hardening/vulnerability remediation.
• Data Center Engineering - Hands-on with racking, cabling, power, and hardware lifecycle.
• Patch & Lifecycle Management - Lead monthly patching cycles with minimal downtime.
• Team Enablement - Mentor engineers, serve as an escalation point, and champion technical excellence.
• Independent Project Execution - Own critical initiatives end-to-end, balancing priorities with limited oversight.

• 7+ years enterprise infrastructure experience with deep Linux expertise.
• Advanced knowledge of virtualization, HA, and clustering.
• Hands-on Kubernetes experience in production.
• Proven automation with Ansible and scripting (Python, Bash, Go).
• Strong networking fundamentals (VLANs, DNS, firewalls, load balancers, VPNs).
• Enterprise storage (ZFS, iSCSI, backup systems).
• Compliance-driven mindset (PCI-DSS, SOC).
• Ability to work independently while contributing to small, agile teams.

• RHCE, CKA/CKAD, or AWS/Azure certifications.
• Strong coding skills in Python.
• Experience in air-gapped or regulated environments.
• Familiarity with SIEM/logging platforms (Splunk, ELK).

• Work with a global team shaping the future of secure digital payments.
• Own high-impact relationships with marquee brands, including AT&T and Rogers.
• Competitive compensation, performance bonus, and comprehensive benefits.
• Growth opportunities in a rapidly expanding organization.