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Mastercard · 1 day ago

Lead F5 Network Engineer (Load Balancing)

O'Fallon, MO

Full-time

Hybrid

Senior Level, Lead/Staff

$122K/yr - $207K/yr

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. They are seeking a Lead F5 Network Engineer to design, implement, manage, and maintain Mastercard’s Global Network, including Datacenter, Customer, and Corporate Networks.

FinanceFinancial ServicesInformation TechnologyPayments

Growth Opportunities

H1B Sponsor Likely

Responsibilities

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

Qualification

F5Load BalancingTCP/IPNetwork EngineeringDeep Packet InspectionPKIAWSAzureGCPFirewall ExperienceRouting & SwitchingNetwork DiagnosticsScripting ToolsCisco CertificationsSoftware Defined NetworkingBachelor's DegreeCommunication SkillsOrganizational SkillsProblem Solving

Required

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

Preferred

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

Benefits

Insurance (including medical, prescription drug, dental, vision, disability, life insurance)

Flexible spending account and health savings account

Paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)

80 hours of Paid Sick and Safe Time

25 days of vacation time and 5 personal days, pro-rated based on date of hire

10 annual paid U.S. observed holidays

401k with a best-in-class company match

Deferred compensation for eligible roles

Fitness reimbursement or on-site fitness facilities

Eligibility for tuition reimbursement

56 hours of Paid Sick and Safe Time

Jury duty leave

On-site fitness facilities in some locations

Company

Mastercard

Glassdoor4.2

Mastercard is a financial network that processes payments between banks and cardholders.

Founded in 1966

Purchase, New York, USA

10001+ employees

http://www.mastercard.com

H1B Sponsorship

Mastercard has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (540)

2024 (319)