Network Operations Center Engineer Visa Sponsorship Jobs in Colorado
Network operations center engineer jobs in Colorado draw from the state's strong telecommunications and defense technology sectors, with employers like CenturyLink (Lumen Technologies), DISH Network, and government contractors in the Colorado Springs and Denver metro areas actively hiring. International candidates with engineering degrees can pursue visa sponsorship through several established pathways at these organizations.
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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 Operations Center Engineer Job Roles in Colorado
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Search Network Operations Center Engineer Jobs in ColoradoNetwork Operations Center Engineer Jobs in Colorado: Frequently Asked Questions
Which companies sponsor visas for network operations center engineers in Colorado?
Lumen Technologies, headquartered in Monroe but with major operations in Denver, has an established history of H-1B visa sponsorship for network engineering roles. DISH Network in Englewood, Comcast, and defense contractors like Raytheon and Lockheed Martin in Colorado Springs also appear in DOL Labor Condition Application records for network operations and infrastructure engineering positions. Government contractor roles may require additional security clearance considerations for international candidates.
Which visa types realistically apply to network operations center engineer roles in Colorado?
The H-1B is the primary path, as network operations center engineering qualifies as a specialty occupation requiring a bachelor's degree in electrical engineering, computer engineering, or a related field. Canadian and Mexican citizens with the required engineering degree can pursue TN visa status under the USMCA Engineer category, with no annual cap. F-1 students may use OPT or STEM OPT if their degree is STEM-designated. EB-2 and EB-3 green card categories apply for permanent sponsorship through PERM labor certification.
How to find network operations center engineer visa sponsorship jobs in Colorado?
Migrate Mate lists Colorado employers with verified visa sponsorship history for network operations center engineer roles, so you can focus on companies that have filed Labor Condition Applications for similar positions rather than applying speculatively. The Denver and Colorado Springs metro areas produce the most results for NOC engineering roles in the state. Filtering by Colorado on Migrate Mate surfaces active sponsors in telecommunications, defense technology, and managed services sectors.
Which cities in Colorado have the most network operations center engineer sponsorship jobs?
Denver and its suburbs, particularly Englewood and Greenwood Village, concentrate the most NOC engineering sponsorship activity due to the region's telecommunications headquarters and cloud infrastructure companies. Colorado Springs is a secondary hub driven by military installations and defense contractors like Northrop Grumman and L3Harris, which maintain network operations functions. Boulder attracts roles tied to research networks and university-adjacent tech companies, though sponsorship volume there is smaller.
Are there state-specific factors that affect visa sponsorship for network operations center engineers in Colorado?
Colorado's concentration of defense and aerospace contractors introduces a practical consideration for international candidates: many NOC roles at these employers require a U.S. security clearance, which non-citizens cannot hold. This narrows the sponsoring employer pool to commercial telecommunications companies, managed service providers, and cloud infrastructure firms. Colorado's university system, including CU Boulder and Colorado State, produces engineering graduates who sometimes transition into NOC roles through F-1 OPT with local sponsors.
What is the prevailing wage for sponsored network operations center 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.