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.

The Ideal Candidate

• 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

Key responsibilities:

Network Architecture & Maintenance:

• 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

Security & Reliability:

• 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

Monitoring & Incident Response:

• 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

Qualifications & Experience

Required:

• 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

Preferred:

• Experience with F5 LTM, Palo Alto GlobalProtect, 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 provider

As well as being a part of something exciting everyday, you will also receive the following benefits:

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

What we do!

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 initiatives like having a dedicated Diversity, Equity & Inclusion action group, diversity goals for hiring, anonymized resume screening, affinity groups such as our Women's network and LGBTQ+ Network, open forums for discussions on diversity and social justice, and measuring inclusion and belonging as part of our regular employee engagement surveys.

Equal Opportunity

NMI is committed to providing equal employment opportunity for all persons regardless of race, color, religion, sex, age, marital status, national origin, sexual orientation or sexual identity, genetic information, citizen status (except those that do not have the legal right to be employed in the United States), disability, military service, service member, veteran status, or any other basis protected by applicable law.

Please be aware that all offers of employment are made subject to receipt of satisfactory background and financial checks.

Attention job applicants: Please note that in compliance with the data protection regulations within your jurisdiction, any personal information submitted with your job application may be collected and used by NMI for the purpose of recruitment and employment-related activities. By submitting your application, you acknowledge and provide explicit consent to the processing of your personal information as described in our privacy policy found on our website. For more information on how we process your information, please read our privacy policy here: https://www.nmi.com/legal/privacy-policy/

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