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Systems Engineer II

Greenwood Village, Colorado

Spectrum’s growth and success in the ever-evolving technological landscape are built on the sophisticated innovations and service reliability our Network Operations groups provide. Our Operating Model focuses on maintaining operational excellence and reliability of Spectrum’s network to enhance our customer’s experience. The Network Operations environment is based on our Key Laws of Focus which values accuracy, resiliency and response time.

Network Technology Operations (NTO) is comprised of application, networks and access layers within our overall network.

  • Full-time
  • Job level: Entry to Senior
  • Occasional Travel

Success profile

What makes a successful Network Technology Operations (NTO) ? Check out the top traits we’re looking for and see if you have the right mix.

  • Results-driven
  • Problem-solver
  • Detail-oriented
  • Flexible
  • Leadership
  • Team Player

Hear from our team


Spectrum wants to help you get more out of life and take care of things outside the office to make life a little easier. We provide:

  • Health Benefits

    Medical, prescription drug, dental, and vision plans available.

  • Paid Time Off

    Paid vacation, sick and personal time, and holidays.

  • 401(k) Retirement Savings

    We provide a 100% match for every dollar you contribute, up to 6% of your eligible pay.

  • Education Assistance

    Earn an associate degree, bachelor’s degree or professional certificate tuition-free through our partnership with Guild.

  • Career Progression

    Advancement is a very real and achievable goal.

  • Training and Certification

    Sponsored courses help enhance your skills.


Position Type: Full Time Location: Greenwood Village, Colorado Date Posted: Date posted 05/24/2024 Anticipated Close Date: 2024-05-29 05:48 PM (UTC) Areas of interest: Information Technology, Systems Engineering Requisition Number: 2024-31836 Business unit: Network Operations ISY340-NTO

** This position is eligible to work in a hybrid work model (combination of in-office and remote days). **

“This posting has been extended beyond the initial anticipated closing date.”


The Wireless Core Engineer is responsible to monitor and support the service delivery of nationwide WiFi and 5G networks while applying a customer-centric approach to troubleshooting and resolving service impacting issues in a high-performance environment.
The Engineer will collaborate with internal and external organizations including Wireless Ops, NOC, Net Ops, Field Ops, Engineering, Product management, and 3rd parties to deliver a best-in-class Wireless Network experience for our customers.


  • Focus on customer’s wireless service experience and improving network performance.
  • Vigorously pursue high standards of wireless network performance and availability.
  • Triage service impacts, determine root cause, and resolve impairments with urgency.
  • Collaborate with cross-functional teams and third parties to proactively identify and resolve system, network, and customer impacts.
  • Provide Tier2/Tier3 troubleshooting supporting a wireless service.
  • Provide subject matter expertise of end-to-end system/call flows for 4G LTE/IMS, 5G Core, 5G EPC functions SMF/UPF/AMF/AUSF/NRF/PCF/UDM/UDR.
  • Proficient in operating system environments, including Linux, Cisco IOS/NX-OS, UCS, Juniper JunOS, Ruckus VsZ, Brocade Fabric-OS, VMWare ESX-I, vSphere, Nokia SR-OS, Kubernetes (e.g., managing containerized applications with Docker and Kubernetes).
  • Provide timely incident assessments and root cause analysis (RCA) summaries.
  • Create detailed documentation and contribute to the development of processes and procedures that improve service performance and team effectiveness.
  • Contribute to network problem reports to develop insights into service performance.
  • Perform service impact analyses and validate success of maintenance activities.
  • Proactively identify automation opportunities to improve support and network performance.
  • Participate in and contribute to cross-functional knowledge transfer across engineers and between other vertical departments to advance skills expertise and foster collaboration.


  • Associate's degree in Computer Science, Interdisciplinary Telecom, Wireless & Cellular Communications, or related field and / or equivalent work experience.
  • Minimum three (3) years of systems engineering experience
  • Minimum three (3) years of combined Wireless Systems and/or Support Center work experience)
  • Demonstrable experience troubleshooting and resolving network service impairments. 
  • Must be able to work the following shift: Monday thru Friday from 9:00AM - 6:00PM 


  • Proficient in operating system environments, including Linux, Cisco IOS/NX-OS, UCS, Juniper JunOS, Ruckus VsZ, Brocade Fabric-OS, VMWare ESX-I, vSphere, Nokia SR-OS, Kubernetes (e.g., managing containerized applications with Docker and Kubernetes).
  • Demonstrable experience troubleshooting wireless network and infrastructure system impacts, with a keen ability to quickly assess and resolve wireless service impairments.
  • Advanced knowledge of IP routing, routing protocols such as BGP, IS-IS, OSPF, as well as enabling and troubleshooting protocols and platforms such as DHCP, DNS, and Wireless core network requirements.
  • In-depth experience with AAA applications including RADIUS, RADSEC, TACACS+ and Diameter.
  • Working knowledge of Splunk, Netscout (nG1, nBA, nSA, Ngenius Pulse), Cisco Matrix, Wireshark, DataDog, and additional network monitoring, packet analysis, and analytics tools.
  • Knowledge and use of development/automation tools, application frameworks, and testing tools such as Python, Shell, BASH, Ansible (e.g., automating deployment, configuration, and management tasks), YAML, XML.
  • Experience with large wireless networks and MSO/Wireless Operator topologies.
  • In-depth working knowledge across all layers of the OSI model, including specific expertise aligned with Wireless core network requirements.
  • Working knowledge with the following systems Ericsson 5G Core, Nokia AAA, Nokia 7750, Cisco UCS, Ruckus vSZ/SCG, Brocade ICX, Juniper SRX, Cisco WLC, Cisco Prime, Cisco Nexus/ASR
  • Competent of related industry specifications and standards DOCSIS, IEEE, ANSI, Fiber.
  • Network Certifications: CCNA, CCNP, JNCIA, JNCIS, CWNA
  • Linux Certifications: Linux+, LPIC, RHCA, or RHCE
  • Certified Kubernetes Administrator (CKA)
  • VCP-DCV or comparable VMware certification
  • AWS Certified Solutions Architect – Associate or comparable cloud-based certification.


ISY340-NTO 2024-31836 2024

Here, employees don’t just have jobs, they build careers. That’s why we believe in offering a comprehensive pay and benefits package that rewards employees for their contributions to our success, supports all aspects of their well-being, and delivers real value 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 2024-05-29 05:48 PM (UTC) and will be extended if necessary.

The pay for this position has a salary range of $75,200.00 to $120,000.00. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience and location. Also, certain positions are eligible for additional forms of compensation such as bonuses.

Get to Know Us Charter Communications is known in the United States by our Spectrum brands, including: Spectrum Internet®, TV, Mobile and Voice, Spectrum Networks, Spectrum Enterprise and Spectrum Reach. When you join us, you’re joining a strong community of more than 100,000 individuals working together to serve more than 32 million customers in 41 states and keep them connected to what matters most. Watch this video to learn more.

Who You Are Matters Here We’re committed to growing a workforce that reflects our communities, and providing equal opportunities for employment and advancement. EOE, including disability/vets. Learn about our inclusive culture.
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