Network Design Engineer Visa Sponsorship Jobs in Colorado
Network design engineer jobs in Colorado attract visa sponsorship from major employers across the Denver-Aurora metro, Colorado Springs, and Boulder's technology corridor. Companies like Lumen Technologies, Dish Network, and Arrow Electronics regularly hire for infrastructure and network architecture roles. Colorado's growing cloud, telecom, and defense-tech sectors make it a consistent market for internationally sponsored engineering talent.
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Get Access To All JobsLocation: Greenwood Village, Colorado, United States of America
Job ID: R-10404857
Category: Technology
Onsite
Posting Start Date: 04-November-2026
Posting End Date: 27-December-2026
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, and 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.
Location: Greenwood Village, Colorado, United States of America
Job ID: R-10404857
Category: Technology
Onsite
Posting Start Date: 04-November-2026
Posting End Date: 27-December-2026
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, and 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.
Network Design Engineer Job Roles in Colorado
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Search Network Design Engineer Jobs in ColoradoNetwork Design Engineer Jobs in Colorado: Frequently Asked Questions
Which companies sponsor visas for network design engineers in Colorado?
Colorado-based employers with active visa sponsorship histories for network engineers include Lumen Technologies, Dish Network, Arrow Electronics, Lockheed Martin, and Raytheon. Large cloud and managed-service providers with Colorado offices also file sponsorship petitions regularly. Telecommunications infrastructure growth across the Denver metro and Colorado Springs defense corridor drives consistent demand for sponsored network design talent at both enterprise and government-contractor employers.
Which visa types realistically fit network design engineer roles in Colorado?
Network design engineer roles typically qualify as specialty occupations requiring a bachelor's degree in computer science, electrical engineering, or a directly related field. H-1B visa is the most common path, granting up to three years initially with extensions to six. Canadian and Mexican nationals may qualify for TN visa status under the USMCA Engineer category. E-3 visa applies to Australian citizens, while H-1B1 visa covers Chilean and Singaporean nationals. Employer-sponsored EB-2 or EB-3 green cards are also available for longer-term permanent residence.
Which cities in Colorado have the most network design engineer sponsorship jobs?
Denver and its suburbs, particularly Aurora and Englewood, concentrate the highest volume of network design engineer sponsorship activity due to headquarters and regional offices of Lumen, Dish Network, and major managed-service providers. Colorado Springs is a secondary hub driven by defense contractors and military-adjacent technology firms. Boulder attracts sponsorship activity from cloud computing and networking startups, while Fort Collins sees demand tied to technology manufacturing and university-connected employers.
How to find network design engineer visa sponsorship jobs in Colorado?
Migrate Mate lists Colorado employers with verified visa sponsorship histories for network design engineer roles, letting you search specifically within this state rather than sifting through postings that may not lead to sponsorship. Because network design positions span telecom, defense, cloud, and enterprise IT sectors in Colorado, filtering by role and location on Migrate Mate helps identify which employers have actually filed petitions for comparable positions rather than simply advertised them.
Are there state-specific considerations for network design engineers seeking visa sponsorship in Colorado?
Colorado's dense concentration of telecommunications headquarters, particularly in the Denver metro, creates sponsorship opportunities that differ from states dominated by software companies. Defense clearance requirements at Colorado Springs employers can complicate visa sponsorship, as some positions restrict candidates to U.S. citizens or permanent residents. Boulder's startup ecosystem tends toward H-1B sponsorship for senior network architects. Colorado's strong university engineering programs at CU Boulder and Colorado State also generate OPT and CPT pipelines that some employers prefer before committing to full H-1B sponsorship.
What is the prevailing wage for sponsored network design engineer jobs in Colorado?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.