Network Engineer - Remote Access and Proxy

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

About Your Role

As a Network Engineer supporting Remote Access & Zero-Trust Proxy at Fiserv, you will be a key contributor to the design, implementation, and support of secure access solutions across our global enterprise. You’ll lead initiatives to modernize remote access, enforce zero-trust principles, and optimize egress proxy infrastructure—ensuring secure, reliable, and policy-driven connectivity for users, applications, and services. This role is ideal for network engineers who are passionate about security, performance, and user experience in distributed environments.

What you’ll do:

• Manage secure remote access solutions using VPN, ZTNA, and identity-aware proxies
• Design and enforce zero-trust access policies for users, devices, and applications
• Deploy, configure, and maintain Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments
• Manage and optimize egress proxy infrastructure, including forward and reverse proxy configurations
• Integrate Zscaler with identity providers (e.g., Azure AD, Okta) and endpoint posture tools
• Monitor proxy traffic, analyze logs, and tune policies to improve performance and security
• Collaborate with security, networking, and endpoint teams to align access controls with enterprise standards while you document architecture, configurations, and operational procedures for access and proxy systems
• Participate in incident response and troubleshooting related to access and proxy services

Experience you’ll need to have:

• 4+ years of experience in a network security, remote access, or infrastructure engineering role
• 2+ years of experience with scripting or automation (e.g., Python, Bash, Ansible, Terraform)
• 2+ years of experience with network standards and protocols (TCP/IP, DNS, HTTP/S, TLS) and secure tunneling methods
• 2+ years of experience with log analysis and SIEM tools for access-related events
• 2+ years of experience with SAML, OAuth, OpenID Connect, and integration with IAM platforms
• Cisco Certified Network Administrator (CCNA) Certification
• Bachelor’s degree in computer science, or a relevant field, or an equivalent combination of education, work, and/or military experience

Experience that would be great to have:

• Prior experience with Zscaler and/or F5 load balancers
• Experience supporting F5 BigIP or Cisco Anyconnect VPN
• Experience with cloud networking (AWS, Azure, GCP)
• Strong communication skills and ability to work across technical and business teams
• Experience with Agile methodologies and DevSecOps practices

How you’ll work:

• Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site Monday through Friday
• This role requires being on-call during non-standard and/or overnight hours on a rotational basis
• This role requires use of a computer and audio equipment

Travel:

• Approximately 10% travel off-site or to other office locations is expected

Sponsorship:

• 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 [email protected]. 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.