Network and Systems IOT Engineer (m/f/d)

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A part of global technology organization Tietoevry, MentorMate creates durable technical solutions that deliver digital transformation at scale by blending strategic insights and thoughtful design with brilliant engineering. With mature and established practices in enterprise web and mobile development, quality engineering, technical architecture, human-centered design, cloud, DevOps, data, and analytics, the company provides its people with the opportunity to work on impactful, global projects for recognizable brands. We value every team member and share our success through flexible working models, competitive pay and benefits, and advancement opportunities in a team of thousands of experts located around the globe. 

Together with our sister company Infopulse, also part of Tietoevry, we are expanding our team in Bulgaria and are looking for skilled technology experts. This collaboration leverages our combined technical expertise to deliver exceptional digital transformation solutions across diverse industries.

About the Role 

Network and Systems IoT Engineer will play a key architectural  role to our IoT Service customers and suppliers. You will also have the opportunity to cooperate together with them and our diverse cross-functional team to ensure a high quality of our product and a satisfactory experience for our customers. You will cooperate directly with Platform and Infrastructure teams to investigate and resolve issues reported by our customers, to properly assess and agree on actions to be taken for necessary fixes and continuous improvements in our products and deployments.

Responsibilities

• Analyse and assess technical solutions and evolution to fulfill business, regulatory, and operational (functional and capacity) requirements considering cost, time to market and quality

• Ownership of a technical platform. Lead the evolution of the platform, influence the roadmap and make efficient use of right technology

• Ability to understand call-flows and troubleshoot

• Participate in small to medium-size implementation projects (end-to-end), and collaborate with different stakeholders (product management, operational teams, external suppliers and IT & network colleagues). Activities could be design, implementation, testing, rollout of technical platforms and operational support systems, etc.

• Write and review functional and technical specifications and RFP (Requests for Proposal) documents

• Generate methods, procedures and technical documents regarding technical solutions and evolution (mainly architecture and impact analysis) to be used by stakeholders (Marketing, Product Manager, Operational teams)

• Participate in the implementation of technical solutions in collaboration with operational teams

• Provide excellent support to internal and external stakeholders regarding the technical domain and create credibility and trust by becoming a reference in the area of competence. You are considered a reference in your area of technical competence and viewed as highly credible and trustworthy

Requirements

• Engineering degree in telecommunications and/or IT technology

• Good knowledge of networks, telecommunications and IT landscape

• At least 6 years of professional experience in a telecom or IT environment

• Hands-on knowledge of two or more mobile core components in 2G, 3G, LTE (P-GW/GGSN, HSS/HLR, PCRF) is preferred

• Strong technical knowledge in the following: HTTP, SS7, Diameter, MAP, INAP, GTP

• Experience on SIM Applets, Over The Air (OTA), eSim, eUICC, SMDP/SMSR, SMDP+ is a key focus 

A significant advantage would be

• Knowledge of international carrier business 

• Experience in roaming, IoT/M2M and background in MVNO/MVNE environment

• Overall view of the mobile core and understanding of call-flows

While some benefits may vary by employment status and location, in general, we offer 

• Professional Growth: Clear career path, vertical and horizontal advancement opportunities  

• Regular Salary Raises: Following the curve of your career path and performance 

• Work Where You Want: Choose to work remotely, in-office, or a combination of the two 

• Upskilling: Various trainings, knowledge sharing events, personal learning budget 

• Incentive Programs: Rewards for referring employees, sharing knowledge, and more 

• Additional Insurance: Attractive health and dental insurance packages  

• Extra Days Off: The longer you work with us, the more paid leave you get 

• Transport & Leisure: Partial coverage of transport costs, sports passes, takeaway food 

• Save for the Future: Set a retirement plan or start an investment program  

• Teambuilding: Enjoy team gatherings and communities of interest 

• Giving to Others: Take part in various charity and volunteer activities 

• Mental Wellness: Support with a counseling package if needed

#LI-DNI 

At Tietoevry, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity. Diversity, equity and inclusion (tietoevry.com)