Lead F5 Network Engineer (load Balancing)

at Mastercard · Fintech · O Fallon, MO +1 · Engineering

This role is for a Lead F5 Network Engineer focused on load balancing within Mastercard's global network infrastructure. Responsibilities include designing, implementing, and managing network components, acting as an escalation point, and supporting new technology adoption. The role requires expertise in F5, TCP/IP, and various network protocols, with experience in cloud environments and scripting tools being desirable.

What you'd actually do

  1. To design, implement, manage & maintain Mastercard’s Global Network which includes Datacenter, Customer, and Corporate Networks across a diverse range of platforms
  2. Translate Network designs to implementation plans with associated change control(s)
  3. Engagement with stakeholders including impacted end users & other technology areas to manage upcoming change
  4. Act as an escalation point for Operations in the resolution of incidents
  5. Support Architecture teams in the development of new technologies with high & low level designs

Skills

Required

  • Network engineering, design, operations, and/or architecture expertise
  • F5, Citrix NetScaler, LAN/WAN, firewalls, VOIP, QoS, Routing & Switching technologies
  • TCP/IP protocol communications and application layer
  • Load Balancing experience: F5 LTM, GLSB, WAF, AFM, AVR
  • Deep Packet inspection & analysis using tools like Wireshark
  • PKI, DNS and certificates
  • Firewall experience: Palo Alto, Checkpoint
  • Routing & Switching: Cisco, Arista
  • Network diagnostics, protocols, and disciplines, VxLAN, EIGRP, OSPF, BGP, SNMP, VPN, SSH, and MPLS technologies
  • Security and encryption technologies including IPSEC & GRE tunnels on routers and firewalls

Nice to have

  • Deploying load balancers in Azure, AWS and GCP
  • Scripting tools such as git, bash, Ansible, Jenkins, Terraform, PowerShell, Python
  • Strong verbal & written communications skills
  • Excellent customer support capabilities
  • Self-motivated demonstrating strong organizational and listening skills
  • Detail oriented with the ability to carry out assigned tasks with minimal supervision
  • Professional manner and ability to communicate with all levels of the organization
  • Methodical problem resolving skills
  • Developing high level and detailed network designs
  • Solid web applications and technologies
  • Cisco certifications such as CCNP or CCDP
  • Design, engineer, and implementation of Software Defined Networking
  • Bachelor’s degree in computer science, Math, Engineering or equivalent combination of education and experience
Read full job description

Job Title:

Lead F5 Network Engineer (Load Balancing)

Overview:

Overview The Global Load Balancing Engineering team (LBE) is looking for a Lead Platform Engineer to join their global team that are reponsible to plan, build & run its Commertial and corporate Load Balancer estate.

In this position, you will: • To design, implement, manage & maintain Mastercard’s Global Network which includes Datacenter, Customer, and Corporate Networks across a diverse range of platforms • Translate Network designs to implementation plans with associated change control(s) • Engagement with stakeholders including impacted end users & other technology areas to manage upcoming change • Act as an escalation point for Operations in the resolution of incidents • Support Architecture teams in the development of new technologies with high & low level designs • Comply with current standards & best practice • Support internal & external audit processes • Evaluate & support the adoption of new infrastructure & technologies to meet business requirements • Hybrid working with 3 days in the office

All About You

The ideal candidate for this position should: • Network engineering, design, operations, and/or architecture expertise with exposure to the following areas: F5, Citrix NetScaler, LAN/WAN, firewalls, VOIP, QoS, Routing & Switching technologies while adhering to standard design methodologies and best practices • Mastery of TCP/IP protocol communications and application layer • Load Balancing experience: F5 LTM, GLSB, WAF, AFM, AVR • Deep Packet inspection & analysis using tools like Wireshark • Expert knowledge in PKI, DNS and certificates • Experience of deploying load balancers in Azure, AWS and GCP • Firewall experience: Palo Alto, Checkpoint • Routing & Switching: Cisco, Arista • Extensive knowledge of Network diagnostics, protocols, and disciplines, VxLAN, EIGRP, OSPF, BGP, SNMP, VPN, SSH, and MPLS technologies. • Knowledge of security and encryption technologies including IPSEC & GRE tunnels on routers and firewalls, • Woking knowledge of scripting tools such as git, bash, Ansible, Jenkins, Terraform, PowerShell, Python. Desirable or additional capabilities • Strong verbal & written communications skills, and excellent customer support capabilities • Self-motivated demonstrating strong organizational and listening skills; and very detail oriented with the ability to carry out assigned tasks with minimal supervision • Ability to consistently act in a professional manner and communicate with all levels of the organization, both internally and externally • Methodical problem resolving skills and mastery of developing high level and detailed network designs; solid web applications and technologies a plus; Cisco certifications such as CCNP or CCDP • Design, engineer, and implementation of Software Defined Networking. • Bachelor’s degree in computer science, Math, Engineering or equivalent combination of education and experience

To find US Salary Ranges, visit People Place. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. For more information regarding US benefits, visit People Place and review the Benefits tab and the Time Off & Leave tab.