Site Reliability 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

Site Reliability Engineer

What does a successful Site Reliability Engineer do at Fiserv?

As a Site Reliability Engineer (SRE) you will manage a small network end-to-end with expertise in infrastructure, networking, virtualization, and automation. You will be responsible for overseeing a farm of VMs, collaborate with vendors on firewall management and ensure the seamless operation of Windows and Ubuntu Linux environments.

In addition you will ensure proper configuration, patching, and hardening as well as develop and maintain scripts using Python and PowerShell to automate deployments, system maintenance, and configuration tasks.

You will implement and maintain monitoring tools to track system performance, health, and alert as well as proactively address issues, perform root-cause analysis, and minimize downtime through effective incident response.

What you will do:

• Oversee day-to-day operations of the Mortgage Director application environment
• Configure and maintain VMware environments, including memory, CPU, and storage resources (Pure LUNs)
• Set up and manage storage drives at the OS level based on usage requirements
• Troubleshoot and resolve OS-level issues to maintain system stability and security
• Continuously improve CI/CD processes to streamline releases and reduce manual overhead.
• Ensure systems meet security and compliance standards; collaborate with security teams to remediate vulnerabilities
• Monitor logs, perform audits, and ensure adherence to best practices for data protection and privacy
• Maintain clear, detailed documentation for system configurations, procedures, and troubleshooting steps

What you will need to have:

• 3+ years of experience in site reliability, Systems Engineering, or related role managing infrastructure at scale
• 3+ years of experience in networking including network protocols, firewall concepts, routing, and switching
• 3+ years of experience in Windows Server & Linux (Ubuntu) Administration
• 3+ years of experience in Virtualization with hands-on experience with VMware vSphere
• 3+ years of experience in scripting & automation with proven ability in Python and PowerShell
• Bachelor's degree in computer science, information systems, or a related field, or an equivalent combination of education, work, or military experience

What would be great to have:

• Experience in fintech/payments environments
• Database Knowledge: Familiarity with SQL Server administration
• Failover Clustering: experience configuring and managing failover clusters to ensure system resiliency

Important info about this role:

• We're better together! This role is fully on-site
• This is a full-time, direct-hire position, and no contract options or unsolicited agency submissions will be considered
• In order to be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship now or in the future

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

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 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.