• Cyber - Application Security Senior…

    Fiserv (Omaha, NE)
    …and client data through proactive testing and advanced security practices. As a Senior Penetration Tester , you will lead in-depth assessments of web, API, ... make a difference at Fiserv. **Job Title** Cyber - Application Security Senior Penetration Tester **About your role:** At Fiserv, we deliver technology solutions… more
    Fiserv (12/20/25)
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  • Application Security (AppSec) Engineer

    Kiewit (Omaha, NE)
    …as an application developer (.Net or Python). + 2-3 years' experience as a penetration tester . + 2-3 years' experience with cloud security controls. + Proficient ... over the Kiewit Information Technology application security program. They will lead the discovery, assessment, remediation, and validation of vulnerabilities related… more
    Kiewit (11/21/25)
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