Software Engineer II - Network Operations

Marqeta is looking for a talented Network Engineer II to manage and support their physical network infrastructure. The role involves deploying and maintaining firewalls, managing network hardware, and collaborating with cross-functional teams to support infrastructure projects.

Responsibilities:

• Deploy, configure, and maintain Palo Alto firewalls across colocation and data center environments
• Manage network hardware deployments in colocation facilities including routers, switches, firewalls, and load balancers
• Configure and support Meraki-based corporate office networking solutions
• Implement and maintain VPN solutions for secure remote access and site-to-site connectivity
• Manage and troubleshoot Layer 2 and Layer 3 data center network infrastructure
• Configure and optimize routing protocols including BGP, OSPF, and MPLS for enterprise connectivity
• Collaborate with Internet Service Providers (ISPs) such as Equinix, and Card Networks such as Visa/Mastercard/Pulse to maintain and optimize connectivity, troubleshoot network issues and ensure SLAs
• Perform rack and stack operations, cable management, and physical infrastructure maintenance in colocation facilities
• Monitor network performance and implement QoS policies to ensure optimal traffic flow
• Troubleshoot complex network issues across physical and virtual environments
• Maintain accurate network documentation including diagrams, configurations, and runbooks
• Participate in on-call rotation to provide 24/7 network support
• Implement network security best practices and maintain compliance with security policies
• Work with cross-functional teams to support infrastructure projects and application deployments

Requirements:

• Bachelor's degree in Computer Science, Information Technology, Network Engineering, or related field, or equivalent practical experience
• 3-5 years of hands-on experience with enterprise network infrastructure
• Strong experience with Cisco switches CCNP certification is a strong plus
• Palo Alto firewall configuration, management, and troubleshooting
• Hands-on experience with Meraki cloud-managed networking solutions
• Proficiency in VPN technologies including IPsec, SSL VPN, and site-to-site configurations
• Experience managing network hardware in colocation and data center environments
• Strong understanding of routing protocols including BGP, OSPF, and MPLS
• Proficiency in networking concepts and protocols, including TCP/IP, VLANs, spanning tree, and routing and switching technologies
• Deep understanding of OSI model layers 1-4 and practical application in troubleshooting
• Experience with network monitoring tools and platforms
• Strong problem-solving skills and attention to detail
• Excellent communication skills and ability to work independently in a remote environment
• Ability to travel occasionally to colocation sites as needed
• Familiarity with scripting languages (Python, Bash) for network automation is a plus