Senior Network Engineer

🕒 April 17

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🛜 Network Engineer / Network Administrator

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Vesta

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 1995

📡 Telecommunications

💳 Fintech

🔒 Cybersecurity

Telecommunications • Fintech • Cybersecurity

Vesta is a telecom-focused payments and fraud-prevention company that provides intelligent payment routing and processing tailored to mobile network operators and other telecom brands. Using AI-driven, network-level fraud detection and long-standing telecom expertise, Vesta helps approve more legitimate transactions, eliminate first- and third-party fraud, and maximize revenue across 40+ countries with 24/7 support and visual dashboards for risk decisioning. The company partners with major MNOs and emphasizes speed, precision decisioning, and analytics to reduce fraud losses and grow payments revenue.

📋 Description

• 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.

🎯 Requirements

• 10+ years of hands-on enterprise networking experience in large-scale, multi-site environments. • Expert-level Cisco routing and switching: IOS/NX-OS, BGP, OSPF, EIGRP, VLANs, STP. • Enterprise firewall administration: Cisco ASA/FTD, pfSense, and Check Point — rule management, segmentation strategy, and change control. • F5 BIG-IP LTM/GTM: virtual servers, pools, iRules, traffic policies, GTM topology records. • Cloudflare: DNS management, WAF rulesets, and security policy administration. • FireMon: policy analysis, rule review workflows, access path validation. • Deep understanding of TCP/IP, DNS, DHCP, routing/switching protocols, and secure remote access. • Experience operating in PCI DSS-compliant environments including control implementation and audit evidence collection. • Strong troubleshooting capabilities with the ability to resolve complex outages under time pressure. • Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent professional experience.

🏖️ Benefits

• Health Insurance • Paid Time Off • Flexible Work Arrangements • Professional Development Opportunities • Remote Work Options