xSIM Technologies Engineer


Salary: Competitive

Location: Europe

Posted: 15 Jan 2019

Location: Open to Portugal, Spain, Poland, Netherlands & Germany

Main Purpose of the role

The xSIM Technologies Engineer is to be integrated in the Devices, xSIM Technologies & Roaming team within the Technology group.

The DeXTeR team is responsible for solution delivery; designing, implementing and testing new solutions or improving and evolving existing products.

Solution design based on product or technical requirements is paramount as well as documenting processes, tests and all associated procedures and information.

The xSIM Technologies engineer will aim to improve and keep high levels of service availability.

This is a specialist technical role that requires a transversal know-how requires a specialized know how of mobile devices and (U)SIM cards.

Key Accountabilities

Customer Lifecycle Management

  1. Responsible for the requirement gathering, E2E design, implementation and testing of new solutions.
  2. SIM profile definition and creation know-how, from electrical profile to final RSP profile, including samples and BAP testing.
  3. Work on complex solutions that influence the design of current products and addresses design issues for future products or technologies.
  4. A flexible and pragmatic approach to problems and their resolution is required, as well as the ability to troubleshoot complex problems to quickly find solutions.
  5. Maintain a repository of technical documentation, configuration and procedures.

Required Skills

  1. Familiar with SGP 21, 22 and 01 and 02 as well as ETSI and SIM Alliance standards.
  2. Familiar with ASN1 notation and DER standard.
  3. Knowledge of 3GPP, GSMA, ITU standards and specifications.
  4. Hands-on experience on Unix and Linux administration.
  5. Java, Javacard, C++ and python programming knowledge.
  6. Ability to influence new visions and challenge existing solutions
  7. Fluent in English (oral and written).

Personal qualities

  1. Team player, able to work in multi-cultural environment.
  2. Excellent technical writing and formal presentation skills. Ability to communicate clearly and concisely.
  3. Strong analytical capabilities.
  4. Detail conscious, highly organised and methodical with a strong work ethic.
  5. Comfortable in a fast-paced, intense and demanding environment.
  6. Innovative and inspiring.
  7. Awesome to be around with.


  1. Minimum 5+ years of experience working in a demanding and technology driven environment.
  2. High degree of autonomy regarding prioritization and decision-making.
  3. Technical knowledge in networking, mobile, voice, data and IT technologies.
  4. Computer Science or Telecommunications Engineering Degree.
Apply now

No agencies. We do not accept CVs from 3rd parties

Apply now

No agencies. We do not accept CVs from 3rd parties