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Customer Support Assistant
Tello
1 position
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Ideal Candidate

Tello has an excellent full-time position for a Customer Support Assistant, as part of our Tello team in Sibiu.

This position is only available at our Sibiu location. Please do not apply if you are not able to relocate to Sibiu.

Here’s what you’ll bring to thе table:

The completion of a university degree;
Excellent verbal and written communication skills in English
Other foreign languages are considered a plus but not a requirement
Excellent problem-solving abilities
Computer literacy and the ability to learn new applications
Knowledge of high level customer service principles and practices
Great work ethic, high level of conscientiousness with attention to detail
Ability to manage difficult customer situations with professionalism
A motivation to improve skills and also the customer experience
Ability to work with colleagues of all nationalities & backgrounds
Ability to treat people with respect under all circumstances

Job Description

If you’re up for the challenge, you’d bе:
  • Handling inbound cаlls & emails (this is not a Telesales or cold-calling position).
  • Providing telеphone & email support to customers
  • Assisting customers with using the services аnd troublеshooting problems
  • Identifying and escalating priority issues
  • Verifying customer account information
  • Routing trouble tickets to the appropriate resource
  • Following up customer calls where necessary
  • Completing test calls for connection issues

Why join us?

Because you are looking for an environment able to help you grow professionally by offering you the chance to work on challenging projects alongside some of the most talented people you’ve ever met.

Our offer:
  • Fixed salary compensation
  • Maximum value meal tickets
  • Referral Bonus
  • 7Card Partnership
  • Medical Benefits at MedLife
  • Personal and professional development
  • Fully paid training
  • Bookster Subscription
  • Between 21-27 Vacation Days
  • Balanced Schedule, without overnight shifts
  • Friendly working environment in a modern spacious office located centrally

Company Description

Tello Mobile is one of the fastest-growing mobile virtual network operators (MVNOs) in the U.S., known for offering affordable, reliable, and customer-friendly wireless service.

Backed by its parent company KeepCalling—an established telecom leader with over 20 years of experience—Tello Mobile is built on a strong foundation of expertise and innovation. Since its launch in 2016, Tello has been committed to providing budget-friendly mobile plans without compromising on quality or customer support.

Learn more about us at www.KeepCalling.net or connect with us on Facebook at facebook.com/ourtelloteam. Join our team and be part of our growing success story!

Published Jun 24, 2026Updated Jun 24, 2026Expires Jul 24, 2026
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