Network Security Detection and Automation Engineer

Fiserv•Frisco, TX

3d•$127,500 - $204,000•Onsite

About The Position

The Network Security Detection and Automation Engineer will define and advance Fiserv’s enterprise network security architecture and long-term cybersecurity strategy. This senior technical role drives security architecture initiatives and adoption of next-generation security capabilities across the enterprise, with a focus on network security architecture, threat defense, Zero Trust principles, telemetry, and detection engineering. The role partners with executive leadership, engineering teams, and architecture groups to maintain a resilient, scalable network security posture across on-premise data centers, multi-cloud platforms, and modern application environments. It also advances network detection and response, security governance, automation, and AI-enabled security capabilities.

Requirements

8+ years of experience in network security engineering, network infrastructure security, or telemetry and visibility engineering.
8+ years of experience securing AWS, Azure, or GCP networking; Kubernetes networking models; containerized infrastructure; and software-defined networking.
8+ years of hands-on experience with next-generation firewall platforms such as Palo Alto, Check Point, Fortinet, or Cisco; IDS/IPS technologies such as Snort, Suricata, or vendor platforms; network protocols including TCP/IP, DNS, BGP, routing, and switching; network packet analysis tools such as Wireshark and tcpdump; VPN technologies including IPSec and SSL VPN; DNS security; and network segmentation and micro-segmentation.
Ability to serve as the technical authority for network security architecture and design across data centers, enterprise networks, cloud infrastructure, and hybrid and multi-cloud architectures.
Experience defining metrics and measurement frameworks that demonstrate security control effectiveness and governance maturity.
Experience developing AI-enabled automated approaches for policy evaluation, security governance, compliance validation, or risk analysis.
Experience implementing or promoting Policy-as-Code, Process-as-Code, or other engineering-led governance methodologies.
Must currently possess valid and unrestricted U.S. work authorization; candidates requiring sponsorship now or in the future will not be considered.

Nice To Haves

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

Responsibilities

Engineer, deploy, and advance the network detection and response (NDR) platform, and develop data-driven agentic responses.
Lead network-based threat detection initiatives, including behavioral analytics, lateral movement detection, encrypted traffic analysis, and MCP integration.
Develop automated workflows using agentic coding agents.
Modernize network security governance processes to improve consistency, scalability, transparency, and measurable outcomes.
Partner with architecture, engineering, risk, and business stakeholders to translate security requirements into scalable controls and automated governance capabilities.
Identify and lead opportunities to reduce manual effort through automation, workflow optimization, and engineering-led solutions.
Promote Policy-as-Code, Process-as-Code, and other scalable approaches to improve governance effectiveness and operational efficiency.
Establish repeatable, measurable, and automated methods for evaluating security controls, policy compliance, and governance outcomes.
Lead initiatives using AI-assisted workflows to simplify complex analysis, improve operational effectiveness, and enhance security outcomes.
Influence the long-term strategy for integrating AI-driven automation into network security governance and control management.
Establish best practices for applying AI technologies across network security functions.