Part-time Cyber security Jobs in Omaha, NE

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Responsibilities

Requisition ID R-10371075 Date posted 12 / 16 / 2025 End Date 01 / 16 / 2026 City Berkeley Heights State / Region New Jersey Country United States Additional Locations Milwaukee, Wisconsin; Omaha, Nebraska Location Type Onsite

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Job Title

Cyber - Application Security Senior Penetration Tester

About your role :

At Fiserv, we deliver technology solutions that help clients move money and manage financial services securely and reliably. The Application Security team focuses on protecting our products and client data through proactive testing and advanced security practices. As a Senior Penetration Tester, you will lead in-depth assessments of web, API, mobile, and thick-client applications to reduce risk and strengthen our security posture. This position is open to Columbus, OH; Berkeley Heights, NJ; and Frisco, TX.

What you’ll do :

• Perform thorough penetration testing across web applications, RESTful APIs, mobile applications (iOS / Android), and thick clients using manual and automated techniques to identify and exploit vulnerabilities.
• Develop and implement advanced penetration testing strategies, frameworks, and test plans tailored to different application architectures.
• Lead security assessments, execute exploit development and proof-of-concept creation, and validate remediation effectiveness.
• Provide technical guidance on remediation, secure coding practices, and risk mitigation to development and product teams.
• Monitor and respond to application security incidents; conduct root-cause analysis and drive corrective actions.
• Research and apply emerging tools, techniques, and threat intelligence to continuously improve testing coverage and automation.
• Mentor and support team members, promoting a culture of application security engineering and secure SDLC integration.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you’ll need to have :

Experience that would be great to have :

How you’ll work :

Travel :

Approximately 0% travel off-site or to other office locations is expected.​

Sponsorship :

Benefits at Fiserv :

#LI-MJ1

Salary Range

$90,000.00 - $158,400.00

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.

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 . 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.

Benefits

Medical, Vision and Dental Benefits

Comprehensive benefit plans to suit your unique needs

Fuel Your Life Wellness Program

Resources to elevate your well-being

401k, Employee Stock Purchase Plans and Incentives & Bonuses

When Fiserv performs well, so does your financial health

Employee Resource Groups

Celebrating inclusion in the workplace

Paid Time Away

Providing the time off to manage personal needs