Senior Infrastructure Security Engineer

Senior Infrastructure 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.

Excited about shaping the future of fintech? Join our innovative team as a Senior Infrastructure Security Engineer at Fiserv, Clover, where you’ll play a pivotal role in ensuring security of our cutting‑edge payment solutions. You’ll design, implement, and automate infrastructure security that pushes our applications to their limits, all while collaborating with top talent to drive seamless deployment. If you’re passionate about technology and love a challenge, this is the role for you.

As a Senior Infrastructure Security Engineer at Clover you’ll enhance the security posture of our infrastructure, including cloud environments, by implementing and managing cloud, network, and system/OS‑level security controls. You’ll collaborate cross‑functionally to make strategic design decisions and advocate for security improvements. Additionally, you’ll respond to infrastructure security alerts, conduct investigations, and participate in IT and security audits. You’ll also evaluate cloud architectures for security concerns, provide consultation on mitigation strategies, and build and manage infrastructure for security‑related applications and services.

The Senior Security Engineer is a high‑visibility role that requires the ability to make decisions that take the business into account and is seen as a trusted partner to engineering leaders. You will serve as an advisor to the GRC team and partner with the larger business to implement security policies and standards.

• 5+ years of infrastructure security experience
• 3+ years securing cloud platforms GCP, AWS (e.g. IAM, VPC Security, KMS)
• 3+ years working with and hardening Linux environments
• Experience with IaC / configuration management technologies (e.g. Terraform, Puppet)
• Experience with IAM technologies (e.g: LDAP, SAML 2.0)
• Knowledge of basic cryptography and common network protocols
• Experience with Python or Java coding is a plus
• Basic understanding of kubernetes containers and related technologies
• Basic understanding of Web Application Firewall (WAF) tuning
• Basic understanding of CI/CD tools and practices
• Basic understanding of APM tools such as Datadog, Splunk

• Infrastructure security professional that contributes to a high level of credibility within the security team.
• Positive, ‘can‑do’ attitude with a focus on team success through collaboration.
• Strategic Thinker’ who can learn how our infrastructure is configured and application work, then apply that knowledge in high‑value security projects.
• Must be able to take on the challenge of a fast‑paced environment with high rates of change.

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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These pay ranges apply to employees in Sunnyvale, California. Pay ranges for employees in other states may differ.

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.

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.