Cybersecurity Network Cloud Engineer

Overview

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. If you want to make an impact on a global scale, come make a difference at Fiserv.

Cybersecurity Network Cloud Engineer

As a technical fellow for network security, you will be responsible for defining and advancing the organization’s enterprise network security architecture and long-term cybersecurity strategy. This role serves as a distinguished technical leader, driving innovation, large-scale security architecture initiatives, and the adoption of next-generation defensive capabilities across the enterprise.

You will partner closely with executive leadership, engineering teams, and architecture groups to ensure the organization maintains a resilient, scalable, and modern network security posture across hybrid infrastructure including on-premise data centers, multi-cloud platforms, and modern application environments.

This role requires deep expertise in network security architecture, threat defense, zero trust networking, and large-scale infrastructure protection, combined with the ability to guide and influence technical direction across multiple security domains.

• Define and lead the long-term vision and strategy for enterprise network security.
• Establish architectural standards for secure connectivity, segmentation, and infrastructure protection.
• Guide the organization’s adoption of Zero Trust networking principles and modern access architectures.
• Partner with executive leadership to align network security strategy with business risk management and digital transformation initiatives.
• Serve as the technical authority for network security architecture and design across all environments including:
  Data center, Enterprise network, Cloud infrastructure, Hybrid and multi-cloud architectures
• Lead design reviews and approve security architecture for major infrastructure initiatives.
• Architect large-scale security frameworks for micro segmentation, identity-aware network access, secure service edge architectures, distributed security enforcement models
• Advance the organization’s use of network telemetry, NDR, and behavioral analytics.

• 8+ years of experience in network security engineering or network infrastructure security.
• 8+ years’ experience securing environments across: AWS / Azure / GCP networking, Kubernetes networking models, Containerized infrastructure, Software-defined networking.
• 8+ years hands-on experience with:
  Next-Generation Firewall platforms (Palo Alto, Check Point, Fortinet, Cisco), IDS/IPS technologies (Snort, Suricata, vendor platforms), Network protocols (TCP/IP, DNS, BGP, routing, switching), Network packet analysis (Wireshark, tcpdump), VPN technologies (IPSec, SSL VPN), DNS security, Network segmentation and micro segmentation.
• 8+ years of experience securing environments across: AWS / Azure / GCP networking, Kubernetes networking models, Containerized infrastructure.
• Experience designing and operating enterprise-scale network security environments.
• Strong background in hybrid and multi-cloud network security.
• Bachelor’s degree in computer science, Information Systems, Engineering, or a related field or equivalent work experience.

• Experience in the financial services industry.
• CISA, CISM, CISSP, CCSP, or similar certifications.

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity.

• Approximately 10% travel off-site or to other office locations is expected.

• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2,…