Senior Infrastructure Engineer
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Job Description
Senior Infrastructure Engineer designing and securing next-generation infrastructure for Vesta, enhancing payment systems for wireless providers by stopping fraud and increasing transaction success.
Responsibilities:
- Design, build, and secure next-generation infrastructure.
- Architect, tune, and secure enterprise-grade Linux systems.
- Drive Infrastructure-as-Code adoption with Ansible, Terraform, and scripting (Python/Bash/Go).
- Manage high-availability Proxmox clusters, VM lifecycle, storage integrations, and DR strategies.
- Design and operate k8s/k3s clusters, enabling CI/CD pipelines and automated deployments.
- Oversee TrueNAS/ZFS platforms, snapshots, and Proxmox Backup Server.
- Implement Prometheus, Grafana, Splunk, and ensure proactive incident response.
- Build secure, resilient environments across AWS and Azure with IAM, overlays, and connectivity to on-prem.
- Apply PCI/SOC standards, enforce access controls (LDAP/SSO), and lead hardening/vulnerability remediation.
- Hands-on with racking, cabling, power, and hardware lifecycle.
- Lead monthly patching cycles with minimal downtime.
- Mentor engineers, serve as an escalation point, and champion technical excellence.
- Own critical initiatives end-to-end, balancing priorities with limited oversight.
Requirements:
- 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.
Benefits:
- Competitive compensation
- Performance bonus
- Comprehensive benefits
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