Cyber Network Engineer

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. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Cyber Network Engineer

About your role:
You will be at the forefront of protecting sensitive data and safeguarding our clients’ information by implementing advanced cybersecurity measures. Your role will be crucial in defending our network systems, data, and infrastructure from potential threats. Joining our dedicated cybersecurity team, you will collaborate with experts to design, develop, and deploy security solutions that ensure the highest levels of protection and compliance.

What you'll do:

• Evaluate, and govern enterprise network security architectures across on‑premises, cloud, wireless, and perimeter (DMZ) environments.
• Review and provide oversight of security designs for on‑premises network infrastructure, including data center and campus network environments, to ensure alignment with established cybersecurity standards.
• Define and review security controls for perimeter and DMZ architectures, including ingress and egress filtering, segmentation, and exposure management.
• Establish and assess wireless security standards, including authentication, encryption, segmentation, and secure access controls.
• Identify security vulnerabilities across network, wireless, and perimeter technologies and recommend risk‑based mitigation strategies.
• Collaborate with cross‑functional teams to embed security practices throughout the system and application lifecycle.
• Conduct periodic security assessments, control reviews, and audits to validate compliance with internal standards and external regulatory requirements.
• Review and analyze security telemetry, logs, and tool outputs to identify control gaps, policy deviations, and emerging threats and drive the continuous enhancement of network and infrastructure security controls, architectural frameworks, and governance processes to ensure alignment with enterprise security standards.
• Develop, maintain, and review security documentation, standards, and operating procedures and serve as a subject matter expert for network security technologies and enterprise security architecture.

Experience you'll need to have:

• 6+ years of experience in cybersecurity
• Strong understanding of cybersecurity principles, infrastructure security, data protection, and modern threat landscapes.
• Demonstrated experience in modern, large-scale corporate network environments, with strong understanding of core network switching and routing concepts, protocols and implementations.
• Provide expertise across key network security domains, including firewalls, web proxy solutions, wireless security technologies, and DMZ architectures, to support secure and scalable enterprise environments.
• Experience and advanced understanding of business processes, internal control risk management, IT controls and risk and compliance requirements.
• Familiarity with deployments and integration of network security solutions within the cloud (Azure, AWS, GCP, etc.).
• Bachelor’s degree in areas such as IT, Computer Science, IT Security, etc. and/or professional certification such as CISSP preferred.

Experience that would be great to have:

• Relevant certifications such as CCNP Security, PCNSE, CCIE, or equivalent are preferred.

Important info about this role:

• We’re better together! This role is fully on-site.
• This is a full-time, direct-hire position, and no contract options or unsolicited agency submissions will be considered.
• 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, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

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Salary Range

$109,000.00 - $182,400.00

These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.

Thank you for considering employment with Fiserv.  Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. 

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact [email protected]. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.