Senior Manager, Network Operations

As Marqeta’s  Senior Manager, Network Operations, you will lead our Network Operations team through a critical infrastructure modernization initiative.  This role combines strategic leadership with hands-on technical expertise as we transition from traditional data center infrastructure toward a more cloud-native architecture while maintaining our industry-leading 99.999% uptime commitment. You'll lead a team responsible for both our AWS-based cloud network infrastructure and physical Points of Presence (POPs) hosted in colocation facilities, driving automation initiatives and architectural evolution while ensuring the reliability our customers depend on. We work Flexible First. This role can be performed remotely anywhere within Ontario or British Columbia, Canada. We’d love for you to join us! Backfill: This position is for an existing vacancy. The Impact You’ll Have Leadership & Team Management Shape the careers of a talented team of network and software engineers by creating an environment where technical excellence and operational mastery go hand in hand Build a high-performance culture where automation, reliability, and continuous improvement aren't just goals — they're the standard Drive talent strategy through performance management, career development planning, and bringing exceptional people into the organization Serve as a connective force across security, platform, and infrastructure teams, turning siloed expertise into unified outcomes Infrastructure Modernization & Strategy Lead a pivotal transformation — moving Marqeta's infrastructure from physical data centers to a cloud-native network architecture that scales with the business Champion automation by leveraging Terraform and infrastructure-as-code practices, meaningfully reducing manual operations and accelerating delivery Own the strategic roadmap for right-sizing our physical POP footprint without ever compromising service reliability Design network solutions that are as secure as they are scalable, directly enabling Marqeta's growth and evolving business needs Technical Operations & Hands-On Engineering Stay sharp at the hardware level — bringing hands-on expertise with Cisco switches, Palo Alto firewalls, and data center infrastructure to every decision you make Architect and optimize AWS cloud networking (VPCs, Transit Gateways, Direct Connect, and beyond), setting the foundation for a resilient cloud presence Protect 99.999% uptime through proactive monitoring, sharp incident response, and a relentless commitment to optimization Be the expert others turn to when complex network issues arise — leading troubleshooting across both cloud and on-premises environments Corporate Network Management Take full ownership of Marqeta's corporate network infrastructure, from our Oakland HQ to every remote office location Oversee the Cisco Meraki platform — wireless access points, security appliances, and network management — ensuring everything just works Deliver...