Verifone

Senior Network Engineer

Ashford, England, United Kingdom; London, England, United Kingdom; Warszawa, Masovian Voivodeship, P Full Time

Why Verifone

For more than 40 years Verifone has established a remarkable record of leadership in the electronic payment technology industry. Verifone has one of the leading electronic payment solutions brands and is one of the largest providers of electronic payment systems worldwide.

Verifone has a diverse, dynamic and fast paced work environment in which employees are focused on results and have opportunities to excel. We take pride in the fact that we work with leading retailers, merchants, banks, and third party partners to invent and deliver innovative payments solution around the world. We strive for excellence in our products and services, and are obsessed with customer happiness. Across the globe, Verifone employees are leading the payments industry through experience, innovation, and an ambitious spirit. Whether it’s developing the next platform of secure payment systems or searching for new ways to bring electronic payments to new markets, the team at Verifone is dedicated to the success of our customers, partners and investors. It is this passion for innovation that drives each one of our employees for personal and professional success.

Verifone is proudly an in-office work culture as we see immense benefits to career development and business results from our colleagues being physically co-located.

What's Exciting About The Role

We are seeking an experienced Senior Network Engineer to support the migration of critical applications from our Cisco-based on-premises data center infrastructure to Amazon Web Services (AWS). This is a high-impact contract role offering the opportunity to design, implement, and optimize cloud networking solutions while ensuring seamless transition and minimal downtime.

Key Responsibilities:

  • Support planning, design, and execution of network infrastructure migration from on-premises Cisco-based systems to AWS cloud environment
  • Map existing Cisco network configurations to AWS networking services (VPC, Transit Gateway, Direct Connect, NACLs, etc.)
  • Develop and document comprehensive network architecture designs for AWS, including VPC configuration, routing, security groups, and network segmentation
  • Configure and optimize AWS networking components including subnets, route tables, load balancers, and network interfaces
  • Design and implement network security best practices including encryption, firewalls, DDoS protection, and compliance requirements
  • Develop and execute comprehensive testing strategies to validate network performance, redundancy, and failover capabilities
  • Identify and resolve network issues, optimize performance, and ensure reliability post-migration
  • Create detailed technical documentation, runbooks, and operational procedures for the new AWS network Infrastructure
  • Work closely with cloud architects, application teams, security, and infrastructure teams to align migration strategy

Skills and Experience We're Looking For

  • MS in Computer Science or equivalent is preferred.
  • Juniper, Cisco Professional or Expert certifications desired
  • Minimum of 8-10+ years of network experience in configuring, managing and troubleshooting of Cisco
  • Strong understanding of TCP/IP, DNS, DHCP, VPN, and network security protocols
  • Strong BGP / OSPF protocols understanding, configuration and troubleshooting skills.
  • Strong understanding of IPsec and SSL VPNs
  • Experience with Cisco ASA firewalls and Cisco Nexus switches
  • Experience with common network automation tools: Python, Perl or other scripting languages and tools i.e Ansible, Terraform, Jenkins
  • Experience with AWS network and migrations from on-prem to AWS

Our Commitment

Verifone is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Verifone is also committed to compliance with all fair employment practices regarding citizenship and immigration status.