Network Engineer III

Job Description

We are seeking a Network Engineer to join Charter Communications' Performance Lab, focusing on next-generation WiFi devices. This role will primarily support testing and validation of WiFi 7 routers, WiFi 7 Cellular Backup Units, and WiFi 7 Extenders. As part of a forward-looking team, this position will also gain exposure to upcoming technologies, including WiFi 8, later in the engagement.
The Network Engineer will work in a lab environment, executing performance and interoperability testing, analyzing results against technical requirements, troubleshooting issues as they arise, and collaborating closely with internal teams and external vendors to drive remediation and product improvements.

Key Responsibilities

• Perform hands-on testing of WiFi routers and CPE devices in a lab environment
• Execute performance testing (conducted and over-the-air) using traffic generators and attenuators
• Analyze and document test results against defined requirements and SLAs
• Troubleshoot network and WiFi performance issues using packet capture and analysis tools
• Develop and maintain test cases, documentation, and reports
• Collaborate with vendors and internal stakeholders to resolve defects and improve device performance
• Support requirement gathering and contribute to quality and testing best practices

Required Skills & Experience

• 2-3 years of hands-on WiFi or network engineering experience
• Strong understanding of WiFi protocols and standards (experience with 802.11ac and 802.11ax required; general knowledge of WiFi 7 expected)
• Experience testing CPE and router devices
• Proficiency with Wireshark (required/highly preferred)
• Familiarity with performance and spectrum analysis tools
• Experience working in a test lab or validation environment

Tools & Technologies

Test & Lab Equipment

• Ixia, Spirent, Octoscope, Octobox
• Keysight, Rohde & Schwarz
• WaveApps, WaveQoE

Testing & Analysis

• Performance testing (conducted and OTA)
• Traffic generation, packet analysis, spectrum analysis

Software & Automation

• Wireshark
• Jira, Confluence/Chalk, TestRail
• Excel
• Python, TCL, command-line tools
• Webex

Certifications (Preferred, Not Required)

• CWNP certifications (CWNA, CWAP, CWNE, CWS, CWT, CWIxx)
• CCNA or equivalent networking certification

Soft Skills

• Strong attention to detail and analytical mindset
• Ability to work independently with minimal supervision
• Thrives in a collaborative, team-oriented environment
• Passion for continuous learning and problem-solving
• Comfortable navigating ambiguity and complex technical challenges
• Excellent communication skills and emotional intelligence

Job Type & Location
This is a Contract position based out of Denver, CO.
Pay and Benefits
The pay range for this position is $50.00 - $68.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Denver,CO.
Application Deadline
This position is anticipated to close on May 19, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.