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Urgent! Senior Infrastructure Security Engineer Job Opening In Sunnyvale – Now Hiring Fiserv
Our software engineers at Fiserv bring an open and creative mindset to a global team developing mobile applications, user interfaces and much more to deliver industry-leading financial services technologies to our clients.
Our talented technology team members solve challenging problems quickly and with quality.
We're seeking individuals who can create frameworks, leverage developer tools, and mentor and guide other members of the team.
Collaboration is key and whether you are an expert in a legacy software system or are fluent in a variety of coding languages you're sure to find an opportunity as a software engineer that will challenge you to perform exceptionally and deliver excellence for our clients.
Responsibilities
Requisition ID R-10352344 Date posted 10/14/2025 End Date 10/20/2025 City Sunnyvale State/Region California Country United States Location Type OnsiteCalling 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
Senior Infrastructure Security EngineerJob Title
Senior Infrastructure Security Engineer
What does a successful Senior Infrastructure Security Engineer do 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.
What you will do:
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.
What you will need to have:
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
What would be great to have:
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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Salary Range
$110,000.00 - $186,000.00These pay ranges apply to employees in Sunnyvale, 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.
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
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Unlock Your Senior Infrastructure Potential: Insight & Career Growth Guide
Real-time Senior Infrastructure Jobs Trends in Sunnyvale, United States (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Senior Infrastructure in Sunnyvale, United States using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 190784 jobs in United States and 868 jobs in Sunnyvale. This comprehensive analysis highlights market share and opportunities for professionals in Senior Infrastructure roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! Fiserv is currently hiring and seeking a Senior Infrastructure Security Engineer to join their team. Feel free to download the job details.
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An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Fiserv adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Senior Infrastructure Security Engineer Jobs United States varies, but the pay scale is rated "Standard" in Sunnyvale. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Senior Infrastructure Security Engineer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Senior Infrastructure Security Engineer interview at Fiserv, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Fiserv's products or services and be prepared to discuss how you can contribute to their success.
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