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Job Title

Here’s the refined job ad:

Security Engineer

About The Team

The Security Engineering team is responsible for strengthening the security posture of our IT infrastructure, user devices, and cloud environments. Working closely with engineering, governance, risk, and compliance (GRC), the team designs and implements security controls, responds to incidents, and ensures adherence to security policies and standards.

What a Successful Security Engineer Does at Fiserv

A successful Security Engineer at Fiserv enhances infrastructure security by implementing and managing cloud, network, and OS-level security controls. You collaborate cross-functionally to make strategic security decisions, respond to alerts, and drive security improvements across the organization. Your expertise helps shape security policies, and your ability to balance security with business needs makes you a trusted advisor to engineering leadership.

What You Will Do

• Implement and manage security controls across cloud, network, and OS environments.

• Harden Linux systems and enforce security best practices.

• Respond to security alerts, conduct investigations, and participate in audits.

• Partner with the GRC team to develop and enforce security policies and standards.

• Integrate security tools such as CrowdStrike and Tanium into infrastructure.

• Manage and optimize MDM tools like Jamf for endpoint security.

• Support IAM technologies (LDAP, SAML 2.0) and improve authentication security.

• Utilize IaC tools (Terraform, Puppet) for security automation and configuration management.

• Tune Web Application Firewalls (WAF) and monitor security events.

• Contribute to security monitoring using APM tools such as Datadog and Splunk.

What You Will Need To Have

• 4+ years in security roles working with tools like CrowdStrike and Tanium.

• 3+ years managing MDM tools such as Jamf.

• 3+ years working with and securing Linux environments.

• Experience with IaC/configuration management (Terraform, Puppet).

• Familiarity with IAM technologies (LDAP, SAML 2.0).

• Understanding of cryptography and common network protocols.

• Basic knowledge of cloud security in GCP and AWS.

• Exposure to WAF tuning, CI/CD security, and APM tools (Datadog, Splunk).

• Python coding experience is a plus.

What Would Be Great To Have

• Ability to provide security leadership and credibility within the team.

• A proactive approach to collaboration and problem-solving.

• Strong analytical skills to understand infrastructure and applications at scale.

• Adaptability to a fast-paced, evolving security landscape.

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Salary Range

These pay ranges apply to employees in New York and California. 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.

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 AskHR.US@fiserv.com. 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.

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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.