Senior Core Testing Engineer

Sorry, this job was removed at 08:06 a.m. (CST) on Tuesday, May 13, 2025
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Littleton, CO
In-Office
133K-133K Annually
Aerospace • Cloud • Digital Media • Information Technology • Mobile • News + Entertainment • Retail
Welcome to EchoStar
The Role
Company Summary
EchoStar is reimagining the future of connectivity. Our business spans satellite television service, streaming and on-demand programming, smart home installation services, 5G wireless consumer and commercial services, internet and other enterprise products.
Today, our brands include Boost Mobile, DISH TV, Gen Mobile, Hughes and Sling TV.
Department Summary
Our Wireless Technology organization is at the forefront of transforming connectivity for the future. We're pioneering the development of the nation's first virtualized, standalone 5G wireless network from the ground up. This network represents the cornerstone of a truly connected world, unbound by the constraints of the past and adaptable to meet the diverse and evolving needs of our rapidly changing society, economy and technology landscape.
Job Duties and Responsibilities
Senior Core Testing Engineer sought by DISH Wireless LLC in Littleton, CO.
Collaborate with Core/IMS Network vendors and Core testing tool vendors to build Core lab (private and public cloud). Integrate and Deploy core network/IMS capabilities in the Lab, working both in an individual and team capacity. Review/interpret requirements and translate them into Systems specifications/requirements (end-to-end design/Call flows/Systems architecture/Interface definition). Provide inputs and support to the Testing team in creating/executing test plans. Provide leadership in the Core Testing areas. Facilitate live troubleshooting of lab/production network issues using overall systems, testing tools, UE, and logs. Assist in debugging and identifying root cases for the issues/defects experiences in lab or production environments and document them accordingly in JIRA systems. Contribute to Test Automation efforts, by writing testing scripts for the Testing tools (Spirent Velocity, Keysight).
Skills, Experience and Requirements
Requires Bachelor's degree (or foreign equivalent) in Electrical Engineering, Electronics Engineering, or closely related field. 3 years of work experience in job offered or similar role. Also requires 3 years of experience with/using the following (which may have been gained concurrently):
  • 4G EPC/5GC core, CUPS, virtualized network Functions
  • Core Network architecture (3GPP standards)
  • SMF/UPF/AMF/NRF/NSSF/PCF/UDM/AUSF/MME, SAEGW, SPGW, or ePDG, and IMS
  • 3GPP Core Networks (EPC,5GC) and IMS
  • VoNR, ViNR, inter-carrier roaming (n14, N26), EPS fallback, SMS, MMS, E911
  • Kubernetes, AWS, and Core Network Functions (NF's -VNF/CNF)
  • Scripting and developing test automation
  • KPI's/metrics - such as latency/throughput considerations and issues from core cloud deployment to Data Center locations
  • Knowledge of IP networking and cloud technologies (Kubernetes)
  • UE simulators, UE debuggers, Load/Traffic generators, packet core simulators

Salary Ranges
Compensation: $132,600.00/Year
Benefits
Em ployment is contingent on successful completion of a pre-employment criminal background check, which may include a drug test.
Rate of Pay: $132,600.00
Benefits information available at careers.dish.com.
Apply at careers.dish.com. Ref: 2025-92095 if applying externally through careers.dish.com; Ref: 2025-92094 if applying internally. May also apply by emailing resume with (Ref: 2025-92095 ) to [email protected]. The posting will be active for a minimum of 3 days. The active posting will continue to extend by 3 days until the position is filled.

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The Company
HQ: Englewood, CO
14,500 Employees
Year Founded: 1980

What We Do

Tune into the innovation, collaboration and culture that our team members bring to the office every day. We want you to be a part of our journey to build the next generation of technology that transforms the way the world communicates. Our team members are the key to our history of groundbreaking innovation and our continued progress. If you bring an inquisitive curiosity, a sense of pride in your work, an openness to adventure and a drive to win, we’ll provide the structure to take the next step in your career. This is more than just another job, this is your launchpad to achieve your potential and a community dedicated to your growth.

Why Work With Us

At EchoStar, we work to create opportunity and cultivate an environment where people thrive. Between our brands, our partners, our teams and our customers, the opportunities are endless. Get started on your next career adventure with EchoStar!

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EchoStar Offices

OnSite Workspace

All team members are in person at one of our locations across the globe. We proudly call Colorado home with several corporate offices in the Denver-Metro area and 4,000+ team members in the Denver-Metro area.

Typical time on-site: None
Company Office Image
HQCorporate Headquarters - Meridian
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DISH Network Technologies
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Downtown Denver Office - DGC
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EchoStar & Hughes
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Hyderabad Office
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Wireless Headquarters - Riverfront
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DISH Network Technologies India Pvt. Ltd
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