Senior Test Engineer Jobs in Colorado
Senior Test Engineer jobs in Colorado concentrate heavily in aerospace, defense, and semiconductor manufacturing, making this one of the most active markets for the role in the Mountain West. The Denver metro, Colorado Springs, and Boulder account for the bulk of openings, with major employers such as Lockheed Martin, Raytheon, and Ball Aerospace maintaining deep engineering teams across the Front Range. The most in-demand specialties are hardware-in-the-loop testing, automated test equipment development, and systems-level verification for defense and space programs. See the openings below and apply to the ones that match your experience.
Find Senior Test Engineer JobsOverview
Showing 5 of 48+ Senior Test Engineer jobs
Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.
At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.
This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.
The Role
The Sr Network Engineer applies advanced engineering and network principles, theories, concepts and technologies to solve unusually complex problems and issues. Interacts and drives vendor requirements, resolution of bug fixes, code upgrades, and vendor development as necessary. Resolves difficult production/interoperability problems by working with cross functional teams and applying advanced engineering and network principles, theories and concepts. Serves as a subject matter expert and may act as a technical project lead or mentor junior employees.
Location: This is an onsite position at Lumen's Zuni St lab in Denver, CO
The Main Responsibilities
- Interacts with Architecture (IP and Security), Planning, Operations, Lab, Systems (NSD, alarming) to implement equipment and designs necessary to evolve the worldwide Internet backbone.
- Ability to research, write requirements to test hardware and software to ensure interoperability and validation of features, functions and behavior.
- Expertise in the certification of equipment, MOPs/network configurations.
- Layer 2 – knowledge of ethernet switching equipment and switching architectures used on Lumen’s Internet networks.
- Expert level experience with protocols used on Lumen’s Internet networks- BGP, IS-IS, MPLS, BFD and LLDP, and their use
- Detailed experience in BGP route policy and the redistribution of routes between protocols.
- Expert level knowledge and experience with BGP route reflector architecture and configurations across multiple address families.
- Expert level troubleshooting knowledge with multiple vendor routing and forwarding architectures to resolve possible production issues or design behavior issues.
- Strong knowledge of the UDP and TCP protocols to help design secure and efficient Internet Networks.
- Expert level experience with creating Layer 3/Layer 4 filters and ACLs and creating configurations to meet requirements.
- Solid experience with QoS traffic classification, remarking and per class queuing. Create QoS configurations to meet Product specifications and to resolve production issues.
- Strong knowledge of distributed denial of service equipment and protocols
- Designs and configures servers on BOBJ including Dashboard Design, Explorer, Mobile integration of BOBJ, Universe Configuration.
- Self-motivated with problem solving capabilities, sense of urgency and accountability
What We Look For in a Candidate
- Bachelor’s degree in computer science or a related field or equivalent experience/education
- 4+ years experience in network testing environments
- Excellent documentation/technical writing skills required
- Strong troubleshooting skills
Preferred Qualifications:
- MS / M Tech / BS / B Tech degree in Computer Science, related technical field preferred, or equivalent work experience
- Knowledge of telecommunications, specifically with VoIP protocols such as SIP
- Experience in large scale data mining and big data solution implementation
- Deployment experience- Visual intelligence and predictive
- Universe Design - single and multi-source is required
- Demonstrated ability to adapt to new technologies and learn quickly
- Industry experience with DevOps
- ITIL certifications
Compensation
This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.
Location Based Pay Ranges:
$87,117 - $116,156 in these states: CO
Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.
What to Expect Next
Requisition #: 344393
Life at Lumen
Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.
Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.
To learn more about Life at Lumen and how we live the Lumen 8, please visit:
https://jobs.lumen.com/global/en/life-at-lumen
Background Screening
If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Equal Employment Opportunities
We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.
Privacy Notice
Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our Applicant Privacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.
To review Lumen’s Global Employment Applicant and Talent Community Privacy Notice, please visit:
https://jobs.lumen.com/global/en/privacy-notice
Disclaimer
The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.
Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.
At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.
This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today.
The Role
The Sr Network Engineer applies advanced engineering and network principles, theories, concepts and technologies to solve unusually complex problems and issues. Interacts and drives vendor requirements, resolution of bug fixes, code upgrades, and vendor development as necessary. Resolves difficult production/interoperability problems by working with cross functional teams and applying advanced engineering and network principles, theories and concepts. Serves as a subject matter expert and may act as a technical project lead or mentor junior employees.
Location: This is an onsite position at Lumen's Zuni St lab in Denver, CO
The Main Responsibilities
- Interacts with Architecture (IP and Security), Planning, Operations, Lab, Systems (NSD, alarming) to implement equipment and designs necessary to evolve the worldwide Internet backbone.
- Ability to research, write requirements to test hardware and software to ensure interoperability and validation of features, functions and behavior.
- Expertise in the certification of equipment, MOPs/network configurations.
- Layer 2 – knowledge of ethernet switching equipment and switching architectures used on Lumen’s Internet networks.
- Expert level experience with protocols used on Lumen’s Internet networks- BGP, IS-IS, MPLS, BFD and LLDP, and their use
- Detailed experience in BGP route policy and the redistribution of routes between protocols.
- Expert level knowledge and experience with BGP route reflector architecture and configurations across multiple address families.
- Expert level troubleshooting knowledge with multiple vendor routing and forwarding architectures to resolve possible production issues or design behavior issues.
- Strong knowledge of the UDP and TCP protocols to help design secure and efficient Internet Networks.
- Expert level experience with creating Layer 3/Layer 4 filters and ACLs and creating configurations to meet requirements.
- Solid experience with QoS traffic classification, remarking and per class queuing. Create QoS configurations to meet Product specifications and to resolve production issues.
- Strong knowledge of distributed denial of service equipment and protocols
- Designs and configures servers on BOBJ including Dashboard Design, Explorer, Mobile integration of BOBJ, Universe Configuration.
- Self-motivated with problem solving capabilities, sense of urgency and accountability
What We Look For in a Candidate
- Bachelor’s degree in computer science or a related field or equivalent experience/education
- 4+ years experience in network testing environments
- Excellent documentation/technical writing skills required
- Strong troubleshooting skills
Preferred Qualifications:
- MS / M Tech / BS / B Tech degree in Computer Science, related technical field preferred, or equivalent work experience
- Knowledge of telecommunications, specifically with VoIP protocols such as SIP
- Experience in large scale data mining and big data solution implementation
- Deployment experience- Visual intelligence and predictive
- Universe Design - single and multi-source is required
- Demonstrated ability to adapt to new technologies and learn quickly
- Industry experience with DevOps
- ITIL certifications
Compensation
This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.
Location Based Pay Ranges:
$87,117 - $116,156 in these states: CO
Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and/or sales compensation) as you move through the selection process.
What to Expect Next
Requisition #: 344393
Life at Lumen
Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.
Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.
To learn more about Life at Lumen and how we live the Lumen 8, please visit:
https://jobs.lumen.com/global/en/life-at-lumen
Background Screening
If you are selected for a position, there will be a background screen, which may include checks for criminal records and/or motor vehicle reports and/or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Equal Employment Opportunities
We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, “protected statuses”). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.
Privacy Notice
Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our Applicant Privacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.
To review Lumen’s Global Employment Applicant and Talent Community Privacy Notice, please visit:
https://jobs.lumen.com/global/en/privacy-notice
Disclaimer
The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.
See All 48 Senior Test Engineer Jobs in Colorado
Find roles in Colorado that match your experience and apply in just a few clicks.
Find Senior Test Engineer JobsSenior Test Engineer Jobs by City in Colorado
Where Colorado roles are concentrated, by current openings.
Senior Test Engineer Job Market in Colorado
A snapshot from current Colorado openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Technology & Software
What Colorado Employers Look For
The qualifications that appear most often in senior test engineer jobs across Colorado.
- Bachelor's degree in electrical engineering, mechanical engineering, or a closely related technical field
- Five or more years of test engineering experience with increasing responsibility and ownership
- Proficiency in developing automated test scripts using Python, LabVIEW, or equivalent tooling
- Experience with hardware-in-the-loop, systems integration testing, or automated test equipment
- Active or eligible DoD security clearance, preferred for defense and aerospace roles in Colorado
- Familiarity with AS9100, MIL-STD, or DO-178 standards common in Colorado's aerospace and defense sector
Senior Test Engineer Jobs in Colorado: Frequently Asked Questions
How do you become a senior test engineer in Colorado?
Most senior test engineer roles in Colorado require a bachelor's degree in electrical, mechanical, or systems engineering and several years of progressively responsible test experience. Colorado does not issue a state-specific license for this role, but earning a Professional Engineer credential through the Colorado State Board of Licensure for Architects, Professional Engineers, and Professional Land Surveyors can strengthen your candidacy, particularly in regulated aerospace and defense programs on the Front Range.
Which companies hire senior test engineers in Colorado?
Employers hiring senior test engineers in Colorado right now include Lockheed Martin, BAE Systems USA, and CesiumAstro, based on current listings on Migrate Mate as of November 2026. Colorado's concentration of aerospace primes, defense contractors, and semiconductor firms means demand for this role remains consistent across the Front Range year-round.
Which Colorado cities have the most senior test engineer jobs?
The cities with the most senior test engineer openings in Colorado are Colorado Springs, Littleton, and Golden. Denver drives volume as the state's commercial and aerospace hub, Colorado Springs draws heavily from the military installation and defense contractor base at Fort Carson and Schriever Space Force Base, and Boulder attracts openings through its cluster of technology and satellite companies.
Are there remote senior test engineer jobs in Colorado?
Yes, but they're limited. Senior test engineering often involves hands-on lab work, physical hardware validation, and access to controlled test environments that cannot move fully remote. About 10% of senior test engineer openings tied to Colorado are remote or hybrid as of November 2026, and when flexibility exists it tends to apply to the requirements-writing, test-planning, and data-analysis portions of the role rather than bench or integration work.
How can I get hired as a senior test engineer in Colorado with little or no experience?
The most realistic entry path is landing a junior or associate test engineer role with one of Colorado's large aerospace or defense employers and building toward the senior level from within. Lockheed Martin and Raytheon both run early-career engineering programs in Colorado that accept candidates with internship or co-op experience in lieu of full-time history. Earning a Certified Test Engineer credential or completing an industry-recognized LabVIEW or automated test course signals readiness for employers who value demonstrated tooling skills alongside degree credentials.
Where can I find and apply to senior test engineer jobs in Colorado?
You can find and apply to senior test engineer jobs in Colorado on Migrate Mate, which lists current Colorado openings. Search for roles that match your background and apply directly to the ones that fit your experience and preferred location on the Front Range.
See All 48 Senior Test Engineer Jobs in Colorado
Find roles in Colorado that match your experience and apply in just a few clicks.
Find Senior Test Engineer Jobs