Vesta

• Design, implement, and maintain scalable, secure network infrastructure across data centers, remote sites, and cloud environments (AWS and Azure). • Architect and operate routing and switching infrastructure including BGP, NAT, VLANs, Spanning Tree, IPsec VPNs, PBR, and HSRP. • Manage and tune enterprise firewall platforms (Cisco, pfSense, Check Point) in alignment with PCI DSS segmentation and access control requirements. • Administer and optimize F5 BIG-IP LTM/GTM for application delivery, load balancing, and traffic steering across production environments. • Manage Cloudflare DNS, WAF, and network security policies for internet-facing properties. • Maintain network security policy management via FireMon; contribute to access path analysis and rule lifecycle management. • Evaluate, deploy, and operationalize free open-source software (FOSS) as replacements for commercial products where appropriate (e.g., network monitoring, IPAM, configuration backup). • Manage Proxmox-based virtualization as it relates to network-adjacent workloads and VM/LXC networking. • Coordinate with vendors and carriers to manage WAN circuits, resolve outages, and drive cost optimization. • Maintain comprehensive documentation for network topology, configurations, and operational runbooks; support PCI DSS and SOC 1 Type 2 audit evidence collection. • Participate in on-call rotation and be available for after-hours work including unscheduled incidents. • Travel to domestic data center and office locations as needed to support deployments or incidents.

• Own the customer relationship for a portfolio of enterprise accounts in telecommunications. • Act as a strategic payments advisor. • Develop and execute account plans that expand relationships. • Partner cross-functionally with teams to deliver solutions. • Lead quarterly business reviews and present performance metrics. • Identify and close expansion opportunities. • Serve as the internal voice of the customer.

• Develop and execute a comprehensive sales strategy aligned with company goals, focusing on MVNO’s in the US • Meet and exceed annual sales targets. • Identify new business opportunities and expand Vesta business within existing accounts. • Build and maintain strong relationships with key clients and partners. • Understand their needs and deliver tailored payment solutions. • Stay informed on industry trends, competitive landscape, and regulatory changes. • Provide accurate sales forecasts, pipeline updates, and performance reports to executive leadership.

• Own the end-to-end lifecycle of major and high-priority incidents, particularly those affecting payment processing, transaction flows, fraud detection platforms, and customer trust. • Coordinate rapid resolution of payment gateway outages, API failures and transaction processing disruptions. • Participate in the global on-call rotation, ensuring swift escalation, triage, and resolution of incidents outside core business hours. • Enhance incident response and payment operations tooling, dashboards, runbooks, and monitoring in collaboration with DevOps, Payment Ops, SREs, Engineering and Technology teams. • Act as the single point of contact (SPOC) during incidents for engineering teams, technology and security, account management and executive stakeholders. • Collaborate with Fraud, Payments, and Infrastructure teams to assess business impact and drive quick mitigations or workarounds. • Deliver real-time updates to external customers, vendors, acquirers, internal stakeholders and senior leadership; draft post-incident communications and root cause summaries. • Lead blameless post-mortems, ensure root cause is documented, corrective actions are assigned, and lessons learned are embedded in processes. • Provide internal and external KPIs and metrics (as part of Quarterly Business Review) including but not limited to Mean time to restore, incident response, platform uptime and availability. • Ensure incident records meet standards required by PCI-DSS, ISO 27001, GDPR, and local financial regulatory bodies.

• 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.