Senior Specialist in Mission Critical Services
Workplace: Sweden
Expires: August 11, 2025
An experienced consultant is sought to develop methods and approaches for evaluating interoperability between various MCX components, focusing especially on communication between client and server. The role also involves technical troubleshooting, analysis, and collaboration in cross-functional teams.
Main requirements:
  • Experience with MCX services according to 3GPP standards (e.g., TS 22.280, 22.179, 22.281, 22.282)
  • Knowledge in design and troubleshooting of SIP, MCPTT, VoLTE or similar protocols
  • Understanding of MCX architecture according to 3GPP Stage 2 and 3
  • Experience with analysis tools such as Wireshark and Android logs
  • Proficiency in navigating Linux systems and extracting logs
  • Good understanding of network architecture in 4G/5G including QoS/QPP mechanisms
  • Ability to work independently and lead small groups
Responsibilities:
  • Develop and apply methodology to test interoperability between MCX components
  • Design, analyze and troubleshoot SIP-based solutions
  • Work with log and data collection in Linux environments
  • Collaborate with external technology suppliers as needed
  • Contribute to knowledge sharing within a small team
Required hard skills:
  • MCX services per 3GPP standards
  • SIP, MCPTT, VoLTE protocol design and troubleshooting
  • Use of Wireshark and Android log analysis
  • Linux system navigation and log extraction
  • Knowledge of 4G/5G network architecture and QoS/QPP mechanisms
Recommended hard skills:
  • Contributions to IETF or 3GPP work
  • Published articles or technical documentation in the field
  • Competency level 3 certification
  • 4-8 years professional experience in the area
  • Experience guiding and mentoring junior colleagues
Soft skills:
  • Independent working ability
  • Leadership in small groups
  • Responsibility for sub-areas
  • Collaborative mindset
Operating systems:
  • Linux
Natural languages:
  • Swedish (Proficient)
  • English (Proficient)
Cultural skills:
  • Cross-functional team collaboration
  • Knowledge transfer within teams
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