The Principal Engineer I will plan and implement network systems, enhance protocols, manage mobile certification processes, and provide higher-tier support.
TITLE: Principal Engineer I
LOCATION: Englewood, CO
JOB SUMMARY: Assist in the planning, forecasting, implementation, and identification of resource requirements for network systems of high complexity. Design and establish protocol compatibility standards. Develop and implement network enhancements and make recommendations for improvement. Implement network architecture and designs. Participate in mobile device feature and requirements planning, network architecture design, and engineering. Integrate and schematically depict communication architectures, topologies, hardware, software, transmission, signaling links, and protocols into complete network configurations. Evaluate new mobile device products and handle problem reporting through resolution. Develop and document mobile device technical requirements based on standards. Perform engineering including designing and establishing Mobile Certification process following 3GPP, WiFi Alliance, or major U.S. carrier operator's practices. Perform project management in Mobile Certification. Work on projects, systems, and issues of medium to high complexity surrounding network planning, configuration, and optimization. Provides escalated tier support across organizations and to third party vendors. Test mobile devices in lab environment including: 3GPP GCF/PTCRB,
Carrier Certification, Quality Assurance and Mobile Feature test. Perform networking design, architecture, protocols, and debugging including 3GPP, QXDM, XCAL, Wireshark or automation scripting on Python.
EDUCATION / REQUIREMENTS: Bachelor's degree in Computer Science, Electronic Engineering, or a related field. 5 years of experience in engineering including designing and establishing Mobile Certification processes including at least 1 of the following: 3GPP, WiFi Alliance, or major U.S. carrier operator's practices. 3 years of experience in: networking design, architecture, protocols, and debugging including at least 3 of the following: 3GPP, QXDM, XCAL, Wireshark or automation scripting on Python; and testing mobile devices in lab environment including experience in at least 2 of the following: 3GPP GCF/PTCRB, Carrier Certification, Quality Assurance or Mobile Feature test. 2 years of project management experience including in Mobile Certification.
A hybrid (in office & remote) work arrangement is available.
Salaries depend on geography, experience, and education; negotiations begin at $161,158 per year.
EGN601 2025-61138 2025
Here, our employees don't just have jobs, they're building careers. That's why we offer a comprehensive package that rewards employees for their contributions to our success, supporting all aspects of their well-being at every stage of life.
A qualified applicant's criminal history, if any, will be considered in a manner consistent with applicable laws, including local ordinances.
This job posting will remain open until 2025-11-03 10:00 PM (UTC) and will be extended if necessary.
The base pay for this position generally is between
$161,158.00 and $196,460.00. The actual compensation offered will carefully consider a wide range of factors, including your skills, qualifications, experience, and location. We comply with local wage minimums and also, certain positions are eligible for additional forms of other incentive-based compensation such as bonuses.
Get to Know Us Charter Communications is known by our Spectrum products and services, including: Spectrum Internet®, TV, Mobile and Voice, Spectrum Networks, Spectrum Business and Spectrum Reach. When you join our team, you'll be keeping our customers connected to what matters most in 41 states across the U.S.
Grow Your Career Here We're committed to growing a workforce that reflects the customers and communities we serve - providing opportunities for employment and advancement to all team members. Spectrum is an Equal Opportunity Employer, including job seekers with disabilities and veterans.
LOCATION: Englewood, CO
JOB SUMMARY: Assist in the planning, forecasting, implementation, and identification of resource requirements for network systems of high complexity. Design and establish protocol compatibility standards. Develop and implement network enhancements and make recommendations for improvement. Implement network architecture and designs. Participate in mobile device feature and requirements planning, network architecture design, and engineering. Integrate and schematically depict communication architectures, topologies, hardware, software, transmission, signaling links, and protocols into complete network configurations. Evaluate new mobile device products and handle problem reporting through resolution. Develop and document mobile device technical requirements based on standards. Perform engineering including designing and establishing Mobile Certification process following 3GPP, WiFi Alliance, or major U.S. carrier operator's practices. Perform project management in Mobile Certification. Work on projects, systems, and issues of medium to high complexity surrounding network planning, configuration, and optimization. Provides escalated tier support across organizations and to third party vendors. Test mobile devices in lab environment including: 3GPP GCF/PTCRB,
Carrier Certification, Quality Assurance and Mobile Feature test. Perform networking design, architecture, protocols, and debugging including 3GPP, QXDM, XCAL, Wireshark or automation scripting on Python.
EDUCATION / REQUIREMENTS: Bachelor's degree in Computer Science, Electronic Engineering, or a related field. 5 years of experience in engineering including designing and establishing Mobile Certification processes including at least 1 of the following: 3GPP, WiFi Alliance, or major U.S. carrier operator's practices. 3 years of experience in: networking design, architecture, protocols, and debugging including at least 3 of the following: 3GPP, QXDM, XCAL, Wireshark or automation scripting on Python; and testing mobile devices in lab environment including experience in at least 2 of the following: 3GPP GCF/PTCRB, Carrier Certification, Quality Assurance or Mobile Feature test. 2 years of project management experience including in Mobile Certification.
A hybrid (in office & remote) work arrangement is available.
Salaries depend on geography, experience, and education; negotiations begin at $161,158 per year.
EGN601 2025-61138 2025
Here, our employees don't just have jobs, they're building careers. That's why we offer a comprehensive package that rewards employees for their contributions to our success, supporting all aspects of their well-being at every stage of life.
A qualified applicant's criminal history, if any, will be considered in a manner consistent with applicable laws, including local ordinances.
This job posting will remain open until 2025-11-03 10:00 PM (UTC) and will be extended if necessary.
The base pay for this position generally is between
$161,158.00 and $196,460.00. The actual compensation offered will carefully consider a wide range of factors, including your skills, qualifications, experience, and location. We comply with local wage minimums and also, certain positions are eligible for additional forms of other incentive-based compensation such as bonuses.
Get to Know Us Charter Communications is known by our Spectrum products and services, including: Spectrum Internet®, TV, Mobile and Voice, Spectrum Networks, Spectrum Business and Spectrum Reach. When you join our team, you'll be keeping our customers connected to what matters most in 41 states across the U.S.
Grow Your Career Here We're committed to growing a workforce that reflects the customers and communities we serve - providing opportunities for employment and advancement to all team members. Spectrum is an Equal Opportunity Employer, including job seekers with disabilities and veterans.
Top Skills
3Gpp
Python
Qxdm
Wireshark
Xcal
Spectrum Denver, Colorado, USA Office




Across five buildings, our Denver location includes modern workspaces and amenities – including a 24/7 fitness center, wellness rooms and an urban market food hall. The campus makes fantastic use of the surrounding area, with outdoor courtyard spaces and the nearby Marjorie Park.
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