Sr. Consultant, Site Reliability Engineer

Visa; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Visa seeks a Senior Network & Cloud Infrastructure Engineer to design, implement, and run highly available, secure network infrastructure across cloud and on-prem environments. You will work with SRE, Cloud, Security, and application teams to deliver resilient network solutions in a 24x7 setting.

The role emphasizes hands-on expertise in cloud networking, routing, security, and automation, with opportunities to tackle complex production issues and drive improvements using modern tooling and

Qualifications

• Strong hands-on experience designing, implementing, and troubleshooting large-scale enterprise and cloud networks.
• Strong knowledge of TCP/IP, BGP, routing, switching, DNS, NAT, VPN, network segmentation, and load balancing.
• Hands-on experience with AWS networking services such as VPC, Transit Gateway, Direct Connect, Route 53, Elastic Load Balancing, and site-to-site VPN.
• Experience with enterprise firewall platforms and network security concepts.
• Experience with hybrid cloud and data center connectivity.
• Experience troubleshooting complex network issues using packet captures, flow logs, network telemetry, and traffic analysis.
• Experience with network monitoring and observability solutions.
• Experience automating network infrastructure using Infrastructure as Code and scripting, such as Terraform, Ansible, Python, or similar technologies.

Responsibilities

• Design, implement, and operate highly available network infrastructure across cloud and enterprise environments.
• Design and support AWS networking, including VPCs, Transit Gateway, Direct Connect, VPNs, routing, load balancing, DNS, and connectivity across multiple environments and regions.
• Configure and troubleshoot routing protocols, network segmentation, firewalls, VPNs, NAT, DNS, and load-balancing solutions.
• Support hybrid connectivity between cloud environments, data centers, partners, service providers, and external networks.
• Provide hands-on technical leadership for complex network incidents, troubleshooting connectivity, routing, latency, packet loss, and performance issues.
• Design network solutions with resilience, redundancy, scalability, security, and disaster recovery requirements in mind.
• Implement network infrastructure and configuration through automation and Infrastructure as Code, reducing manual operational activities.
• Build and improve network monitoring, observability, alerting, and capacity management.
• Collaborate with Security, Cloud, SRE, Architecture, application teams, vendors, and telecommunications providers on network designs and implementations.
• Support network changes, maintenance activities, incident response, problem management, and root cause analysis.
• Create and maintain technical documentation, operational procedures, network diagrams, and troubleshooting guides.
• Participate in an on-call rotation supporting critical production environments.

Skills

TCP/IP

BGP

AWS networking

Firewall concepts

Hybrid cloud connectivity

SRE collaboration

Automation

Python scripting

Tools

Terraform

Ansible

Python

Job description

About Us

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale - tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters - to you, to your community, and to the world. Progress starts with you.

Job Description

Role Summary: The Senior Network & Cloud Infrastructure Engineer is responsible for designing, implementing, operating, and continuously improving highly available and secure network infrastructure supporting Visa's critical platforms and services. This role requires deep hands-on expertise across cloud and enterprise networking, with responsibility for connectivity, routing, network security, troubleshooting, automation, and production operations. The engineer will work closely with SRE, Cloud, Security, Architecture, and application teams to deliver resilient network solutions and resolve complex production issues. The ideal candidate combines strong traditional networking fundamentals with modern cloud networking and automation skills and is comfortable operating business-critical infrastructure in a 24x7 environment. All roles require digital fluency, including the ability to work with emerging technologies such as Generative AI tools to support everyday work.

Key Responsibilities

• Design, implement, and operate highly available network infrastructure across cloud and enterprise environments.
• Design and support AWS networking, including VPCs, Transit Gateway, Direct Connect, VPNs, routing, load balancing, DNS, and connectivity across multiple environments and regions.
• Configure and troubleshoot routing protocols, network segmentation, firewalls, VPNs, NAT, DNS, and load-balancing solutions.
• Support hybrid connectivity between cloud environments, data centers, partners, service providers, and external networks.
• Provide hands-on technical leadership for complex network incidents, troubleshooting connectivity, routing, latency, packet loss, and performance issues.
• Design network solutions with resilience, redundancy, scalability, security, and disaster recovery requirements in mind.
• Implement network infrastructure and configuration through automation and Infrastructure as Code, reducing manual operational activities.
• Build and improve network monitoring, observability, alerting, and capacity management.
• Collaborate with Security, Cloud, SRE, Architecture, application teams, vendors, and telecommunications providers on network designs and implementations.
• Support network changes, maintenance activities, incident response, problem management, and root cause analysis.
• Create and maintain technical documentation, operational procedures, network diagrams, and troubleshooting guides.
• Participate in an on-call rotation supporting critical production environments.

This is a remote position. A remote position does not require job duties be performed within proximity of a Visa office location. Remote positions may be required to be present at a Visa office with scheduled notice.

Qualifications

Basic Qualifications

• Strong hands-on experience designing, implementing, and troubleshooting large-scale enterprise and cloud networks.
• Strong knowledge of TCP/IP, BGP, routing, switching, DNS, NAT, VPN, network segmentation, and load balancing.
• Hands-on experience with AWS networking services such as VPC, Transit Gateway, Direct Connect, Route 53, Elastic Load Balancing, and site-to-site VPN.
• Experience with enterprise firewall platforms and network security concepts.
• Experience with hybrid cloud and data center connectivity.
• Experience troubleshooting complex network issues using tools such as packet captures, flow logs, network telemetry, and traffic analysis.
• Experience with network monitoring and observability solutions.
• Experience automating network infrastructure using Infrastructure as Code and scripting, such as Terraform, Ansible, Python, or similar technologies.
• Experience operating highly available, business-critical production environments.
• Experience with incident management, root cause analysis, change management, and production support.
• Strong collaboration skills and experience working across infrastructure, cloud, security, architecture, and application teams.

Preferred Qualifications

• Advanced experience with AWS networking in large-scale, multi-account, and multi-region environments.
• Experience with Fortinet, Cisco, or similar enterprise networking and security platforms.
• Experience with Direct Connect, carrier circuits, colocation/data-center networking, and connectivity with external partners.
• Experience with network automation and Infrastructure as Code at scale.
• Experience with Kubernetes and container networking.
• Experience designing resilient network architectures for high-volume distributed systems.
• Experience with network capacity planning, performance engineering, and observability.

Visa is an EEO Employer Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.