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Lead Network Engineer

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Mastercard

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Location:
Poland , Warsaw

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

The Global Network Engineering team (GNE) is looking for a Lead Platform Engineer to join their global M&A team that are responsible to architect, design, support and intergrate acquisitions.

Job Responsibility:

  • 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

Requirements:

  • Network engineering, design, operations, and/or architecture expertise with exposure to the following areas: Load Balancing, LAN/WAN, layer 7 firewalls, QoS, automation, AWS, Azure, GCP, Routing & Switching technologies while adhering to standard design methodologies and best practices
  • Firewall experience: Palo Alto, Checkpoint
  • Routing & Switching: Cisco, Arista
  • SASE experience: Prisma Access, Zscaler
  • Load Balancing: F5 LTM, ASM, GLSB, NGINX+
  • Extensive knowledge of Network diagnostics, protocols, and disciplines, VxLAN, EVPN, BGP, OSPF, 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
  • Mastery of TCP/IP protocol communications and application layer
  • Deep Packet inspection & analysis using tools like Wireshark
  • Expert knowledge in PKI, DNS and certificates
  • Experience in Azure, AWS and GCP

Nice to have:

  • 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, CCDP or CCIE
  • Design, engineer, and implementation of Software Defined Networking
  • Bachelor’s degree in computer science, Math, Engineering or equivalent combination of education and experience

Additional Information:

Job Posted:
January 02, 2026

Expiration:
January 05, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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