Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 2 mins ago
Data Center Hardware Engineering - Hardware Technician
Apple
Austin, TX
…System Integration team is central to this mission, owning the design and realization of customized compute platforms from concept to mass…
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 5 mins ago
AI Data Engineer
C the Signs
Remote, United States
Design, build, and maintain scalable data pipelines to ingest, process, and store massive and diverse healthcare datasets.
Added 18 mins ago
ES
Lead GIS Solution Engineer - Defense
Environmental Systems Research Institute Inc.
Louisville, CO
- $120,016 to $201,344 USD / year
Esri is seeking a lead GIS Solution Engineer to serve as a technical leader and trusted advisor to Defense and Intelligence organizations. You will bring deep ArcGIS expertise, mission…
Added 18 mins ago
ES
Product Engineer II - Aviation Airports and Charting
Environmental Systems Research Institute Inc.
Louisville, CO
- $79,664 to $133,120 USD / year
Contribute to product design, testing, documentation, and demonstration of new software capabilities
Added 18 mins ago
UO
Senior QA Engineer
University of Colorado Denver
Boulder, CO
- $34,986 USD / year
The Senior QA Engineer (QAE) provides planning, leadership, and supervisory quality assurance expertise to the Safety & Mission Assurance (S&MA) team and flight hardware development…
Added 30 mins ago
Cloud Adoption Engineer - Oracle Government, Defense & Intelligence
Oracle
Reston, VA · Washington, DC
Successful cloud adoption requires sound foundations across tenancy design, networking, identity, security, governance, observability, and automation. As a Cloud Adoption Engineer, you will…
Added 44 mins ago
Purchasing- Engineering Support Specialist II
Kansas City National Security Campus
Overland Park, KS
Added 1 hour ago
Quality Assurance Engineer
Braven
Remote, United States
…over the next decade, Braven is hiring a Quality Assurance Engineer who will ensure our student- and staff-facing software is reliable, accessible, and a joy to…
Added 1 hour ago
Senior Software Engineer
Braven
Remote, United States
…Fellows over the next decade, Braven is hiring a Senior Software Engineer to lead the design and delivery of the platform, tools, and automation that power Braven’s programs. On the Systems…
Added 1 hour ago
Senior Software Engineer
Braven
Remote, United States
…Fellows over the next decade, Braven is hiring a Senior Software Engineer to lead the design and delivery of the platform, tools, and automation that power Braven’s programs. On the Systems…
Added 1 hour ago
TC
Traveling MEP Superintendent - MSG - Sports
Turner Construction
Denver, CO
- $140,000 to $195,000 USD / year
…Resolving local area problems regarding procedures, precedence, design clarifications, adequate labor and equipment, schedule and all other appropriate…
Added 1 hour ago
TC
Traveling Scheduling Engineer - MSG - Pharmaceutical
Turner Construction
Denver, CO
- $120,000 to $217,000 USD / year
Collaborate with project team (e.g., Engineer and Superintendent) to confirm Contract Item List (CIL), develop Required On Job (ROJ) dates for schedule, and review Procurement Schedule to…
Added 1 hour ago
DR
Cloud Software Engineer II
Development Resource Group, Inc.
Fridley, MN
- $55 to $70 USD / hour
As a Full Stack Cloud Software Engineer II, you will be working with motivated, diverse, and knowledgeable development teams to deliver world-class Medical Device products. You will be…
Added 1 hour ago
Business Information/Systems Specialist - Transportation/Infrastructure
Scott County
Shakopee, MN
Preference given for experience in project management, business analysis, software administration, asset management and process analysis and design.
Added 1 hour ago
Sr. Solutions Engineer
Fortra LLC. ( HelpSystems LLC )
Eden Prairie, MN
We are seeking an experienced and highly skilled Senior Solutions Engineer to join our Sales
Added 1 hour ago
IT Cloud Engineer, Engineering Platform Automation
Mayo Clinic
Rochester, MN
Design and maintain BPMN 2.0 business process workflows.
Added 1 hour ago
SI
Systems Application Engineer II
SICK, Inc.
Minneapolis, MN
- $83,640 to $126,500 USD / year
As a Systems Application Engineer II, you will play a pivotal role in shaping intelligent automation solutions across North America. You'll partner with sales, industry teams, integrators,…
Added 1 hour ago
Assistant Project Manager - Development
GPAC
Dallas, TX
If you are a Project Engineer who feels ready for more than your current role is giving you, this is an opportunity to make that move. You will gain exposure to a major project, experienced…
Added 1 hour ago
C
Structural Engineer
CMCOM
New York, NY
- $95 to $120 USD / hour
We are currently seeking a highly qualified Structural Engineer to support a confidential transportation infrastructure client in the New York/New Jersey metropolitan region.
Added 1 hour ago
Head of GTM (AI Agents)
Bolder Apps
Remote, United States
Land the first design partners and turn them into paying customers, references, and product feedback

Closed listing

Fiserv

Senior Network Infrastructure Engineer – F5 / NetScaler

Greenwood Village, CO, United States

Salary Range $127,500.00 - $204,000.00

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: Salary Range $127,500.00 - $204,000.00
Posting language: English
Posted: Nov 5, 2026

Similar jobs hiring now

Search current openings

Original job description

Archived listing. The details below describe a past opening.

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 Senior Network Infrastructure Engineer – F5 / NetScaler

About your role You will serve as a senior technical engineer supporting enterprise load balancing and DNS. You will lead the design, deployment, optimization, and troubleshooting of highly available infrastructure solutions, with a strong focus on F5 and Citrix NetScaler technologies. You will support Fiserv’s government programs, partnering with infrastructure, application, security, and vendor teams to deliver secure, resilient, and scalable solutions.

What you’ll do

Design, deploy, and maintain a critical local and global load balancing infrastructure using Citrix NetScaler and F5 solutions.
Manage DNS infrastructure and configurations
Design and implement load balanced application configurations
Provide technical leadership and design guidance for application teams.
Troubleshoot complex infrastructure issues and drive problems through resolution
Lead platform upgrades, configuration changes, capacity planning, and performance optimization
Develop and maintain configurations for virtual servers, certificates, policies, and related services
Understand encryption technologies commonly used by web applications, DNS, and load balancing
Partner with application, infrastructure, security, OEM, and vendor teams on technical solutions
Operate in a regulated, controlled financial environment.
Develop technical standards, documentation, and implementation procedures
Identify opportunities to improve and automate infrastructure processes using tools such as Python and Ansible
Provide technical guidance and knowledge sharing across engineering teams

Experience you’ll need to have

8+ years of experience in network, systems, infrastructure engineering, or a related field
6+ years of experience with Citrix NetScaler and/or F5 design, deployment, and support
6+ years of experience with technologies such as LTM, GTM, HA, GSLB, ad content switching.
4+ years of DNS experience, such as Bluecat, DNSSEC, and F5 XC.
Experience troubleshooting complex financial, regulated, enterprise infrastructure environments
Bachelor’s degree in computer science, engineering, information technology, business, or a related field, or an equivalent combination of education, related experience, and/or military experience

Experience that would be great to have

Experience with Python, Ansible, or other infrastructure automation tools
Experience with multi-factor authentication solutions
Experience supporting large-scale infrastructure migrations or modernization initiatives
F5 certifications such as F5-CTS or F5-CSE
Strong communication skills and experience working across technical teams, vendors, and business partners

Important information about this role

This position requires in-person collaboration
Must possess U.S. Citizenship or U.S. Permanent Resident (Green Card) status
This position will work a second-shift schedule

How you’ll work

This role requires the use of a computer and audio equipment

Salary Range $127,500.00 - $204,000.00

These pay ranges apply to employees in Colorado, Hawaii, Illinois, Nevada, Rhode Island, Vermont and Washington. 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. 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).

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 AskHR.US@fiserv.com. 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.

About employer

More about this job

Skills

DNS
Troubleshooting
Leadership
Troubleshoot
Documentation
Python
Ansible
Computer science
Computer technology
Communication skills
Collaboration
Audio technology

Report this job