Senior Network Engineer

We are seeking a strategic and execution‑oriented Senior Network Engineer to drive the evolution and reliability of our global network infrastructure. In this role, you will play a pivotal part in ensuring high availability, optimal performance, and security across NMI’s production and office networks. You will contribute to the design and operation of next‑generation infrastructure while maintaining legacy systems and improving network observability.

This is a primarily remote position (U.S. Eastern or Central time zones preferred), with periodic travel (1–4 times per year) to company colocation facilities, fully covered by the company. If based near a company office, occasional in‑office collaboration is encouraged.

• Possesses extensive experience in network architecture across WANs, LANs, and data centers
• Thrives in both legacy and modern network environments, finding innovative ways to enhance resiliency and performance
• Automates routine tasks and embeds monitoring, alerting, and metrics to ensure visibility and availability
• Is adept in hybrid infrastructures, with both on‑prem and cloud experience
• Communicates effectively and works collaboratively with global, distributed teams
• Champions operational excellence and believes in building observable, fault‑tolerant networks

• Oversee and maintain all network devices, ensuring continuous operation and optimal performance
• Design and enhance network architecture to support evolving business needs
• Manage the full lifecycle of network hardware, from procurement to decommissioning
• Develop and refine routing policies and procedures to optimize network performance

• Review firewall and switch configurations for security and performance compliance
• Implement and maintain firewalls with HA/Clustering in regulated environments (e.g., PCI‑DSS, HIPAA)
• Perform root cause analyses and implement solutions to improve resilience and prevent recurrence

• Continuously test, monitor, and document network performance
• Participate in the on‑call rotation for timely incident response
• Contribute to proactive network improvements using observability data

• 5+ years of experience managing and configuring network devices (Juniper, Fortinet) in high‑availability environments
• 3+ years of VPN administration experience supporting 500+ users
• 3+ years of experience with network security and regulatory compliance (e.g., PCI‑DSS, HIPAA)
• Expertise with BGP and OSPF routing protocols across multi‑site WANs
• Strong technical documentation and troubleshooting skills
• Excellent written and verbal communication skills

• Experience with F5 LTM, Palo Alto Global Protect, and advanced firewall/WAF solutions (e.g., Cloudflare, Akamai)
• JNCIS certification or higher
• Experience designing and managing cloud networks (AWS, Azure, or GCP)
• Proficiency in scripting (Python, Bash/ZSH) for automation
• Hands‑on experience administering IPS devices and working in regulated, complex environments
• Proven ability to manage vendor relationships and third‑party service providers

• Annual salary + bonus
• A remote first culture!
• Flex PTO
• Health, Dental and Vision Insurance
• 13 Paid Holidays

NMI enables our partners with choice, and challenges the one‑size‑fits‑all approach to payments. You’ve probably used NMI in the last 24 hours without even realizing it. We’re the platform that powers success for innovative tech created by SMBs, entrepreneurs and fintech startups. We’re creative problem solvers who help visionaries smash through boundaries and think beyond what’s possible so they can think about what’s next.

But we’re not just built for the tech savvy. We democratize the latest payments technology so that everyone can realize the benefits of easy payments across the full spectrum of commerce. We’re all about enabling more payments in more ways and more places.

We believe that having a diverse group of employees strengthens both our work and our workplace. We’re focused on making NMI more diverse and welcoming with…