Cyber Network Engineer

Fiserv

Cyber Network Engineer at Fiserv protecting sensitive data and implementing cybersecurity measures. Collaborating with experts to design and deploy security solutions for financial institutions.

Posted 5/6/2026full-timeBerkeley Heights • New Jersey, New York, Ohio, Texas • 🇺🇸 United StatesMid-LevelSenior💰 $128,000 - $216,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityFirewallsGoogle Cloud PlatformSwitching

About the role

Key responsibilities & impact

Review, and govern enterprise network security architectures across internal networks, infrastructure services, and perimeter (DMZ) environments
Provide architectural oversight and subject matter expertise for Network Detection and Response (NDR) platforms
Define and review security patterns for infrastructure services
Lead security architecture and control reviews for perimeter and DMZ environments
Assess network, infrastructure, and perimeter security risks and recommend risk-based mitigation strategies
Conduct and support security assessments, architecture reviews, and control evaluations for NDR
Drive continuous improvement of network security standards, reference architectures, and control requirements across enterprise and perimeter domains
Develop and maintain clear, audit-ready documentation for security architectures

Requirements

What you’ll need

6+ years of experience in Information Security for Financial Institutions (or similar regulated industries)
Strong understanding of cybersecurity principles, threat landscapes, and modern attack techniques
Deep expertise in large-scale corporate network environments, including expert-level knowledge of routing, switching, and core network protocols
Extensive experience with network security technologies such as firewalls, next-generation firewalls, IDS/IPS, web proxies, and related threat prevention and detection platforms
Strong understanding of business processes, internal controls, IT risk management, and regulatory compliance requirements
Working knowledge of cloud platforms and services, including integration of network security controls in Azure, AWS, or GCP environments
Bachelor’s degree in areas such as IT, Computer Science, IT Security, etc. and/or equivalent combination of educational background, related experience, and/or military experience
Relevant certifications such as CCNP Security, PCNSE, CCIE, or equivalent are preferred.

Benefits

Comp & perks

Health insurance
401(k) matching
Paid time off
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

network security architectureNetwork Detection and Response (NDR)security patternsrisk assessmentfirewallsnext-generation firewallsIDS/IPSweb proxiesrouting protocolsswitching protocols

Soft Skills

leadershipcommunicationorganizational skillssubject matter expertisecontinuous improvement

Certifications

CCNP SecurityPCNSECCIE