Security 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

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).

What you should know about us:

Fiserv is a global leader in payments and financial technology with more than 40,000 associates proudly serving clients in more than 100 countries. As one of Fortune® magazine's "World's Most Admired Companies™" 9 of the last 10 years, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to innovation and excellence. 

Our commitment to Diversity and Inclusion:

Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that reflects our world. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other category protected by law. 

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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 business email address. We will not hire through text message, social media, or email alone, and any interviews will be conducted in person or through a secure video call. We won’t ask you for sensitive information nor will we ask you to pay anything during the hiring process. We also won’t send you a check to cash on Fiserv’s behalf.

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