**Company Description** Inetum is a European leader in digital services. Inetum’s team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum’s solutions aim at contributing to its clients’ performance and innovation as well as the common good. Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility. Driven by its ambition for growth and scale, Inetum generated sales of 2\.5 billion euros in 2023\. **Job Description** Join a team responsible for the operation and maintenance of the **M2M solution** (Machine\-to\-Machine), which supports the entire service offering for major telecom operators. This project involves critical environments and cutting\-edge technologies, including **4G/LTE** and a vision for **5G**. **Main Responsibilities:** * Analyze and respond to **application fault reports** across multiple platforms (M2M, SVA’s). * Participate in security requirements analysis for various platforms. * Operate and maintain complex systems, ensuring availability and performance. **Qualifications** * **Proven experience in similar roles.** * Solid knowledge of **Linux (RedHat)** and **Windows**. * Experience with monitoring tools (**Zabbix**) and testing tools (**Postman**). * Database expertise: **Postgres**, **MongoDB**, and **NoSQL**. * Familiarity with virtualization solutions (**VMware/MS**) and storage/backup solutions (**EMC, Clarion, VNX, SUN**). * Strong understanding of IP networks and protocols (**TCP/IP, HTTP, FTP, SSH, SMTP, SNMP, UDP, ICMP**). * Skills in **Node.js**, **REST**, **Python**, and continuous integration (**Jenkins/OpenSource**). * Experience with mobile network infrastructures (Core PS, HLR/HSS) and technologies **4G/LTE** and **5G**. * Fluent English (spoken and written). * Proficiency in **MS Office** tools. **Additional Information** * Workplace type: Hybrid (max. of 3 times per week in the office). * Location: Lisboa.