Level 2 Core CS Engineer in Bucuresti

Level 2 Core CS Engineer Bucharest, Romania  Full Time – 9-18 + on-call Network Operations Mid Level Aeris is at the forefront of the "Internet of Things" (IoT) industry, building networks and applications to enable Fortune 500 clients to fundamentally improve their businesses. We believe IoT will have a profoundly positive impact on the world for generations to come. The improvements made possible through IoT—improving patient care, preserving our natural resources, eliminating vehicle fatalities, and providing power to remote parts of the world—are just now being realized.  Headquartered in Silicon Valley with offices around the world, Aeris is the preeminent cellular IoT player globally powering critical projects across energy, connected vehicles, transportation, retail, healthcare and more. Aeris provides a SaaS based connectivity management platform for mobile operators and enterprises.  It enables organizations to realize new revenue streams from a vast variety of devices while simplifying the process and reducing the cost of connecting them to benefit from economies of scale. The platform provides access to key functionality including subscription management, eSIM/eUICC management via world class APIs and operator and enterprise self-service portals.  This is built on core tenants of cloud computing and intelligence (AI/ML).  And thanks to our deep expertise and our extensive trusted partner network, we are the go-to destination for those wishing to roll-out high quality global IoT deployment. As a Level 1 Support Engineer you will be providing technical assistance across the complete range of technology, networks and systems. You will be responsible for ticket registration, monitoring and analyzing statuses, resolving technical issues. Written and spoken Japanese proficiency is a requirement as you will primarily support our Japanese customers and partners. Responsibilities:  Manage the IOTA Core CS networks. Troubleshooting on Core CS nodes: HLR/HLR-FW, HSS/HSS-FE, CUDB, STP, DEA/DSC/DRA Give technical support to sales, marketing, project managers, and the customer, including pre-sales activities that can control and supervise the core network implementation;    Management and implementation of automation scripts; Verify and support the implementation of configuration changes; Analyze the risk and impact of a new service element integration or design change. Coordinate and work together with other teams such as L1 support, Engineering, etc. Provide remote support and troubleshooting for integration engineers, customer, and 3rd party; Create, review and update processes and procedures to implement new configuration or fix common issues Actively participate and contribute to the problem management process when necessary; Cover 24x7 On-Call duty on request to support the L1 team Coordinate, support and execute proactive and reactive maintenance activities to ensure that high quality services within agreed SLAs. Create and deliver reports and dashboards of KPIs. Requirements: Bachelor of Science in Telecommunication, Computer Information Systems, or equivalent with a minimum of 3 to 5 years of work experience in the Telecom Core Network domain Good knowledge of mobile telecom networks and signaling Good knowledge of IP networking is a plus Proven hands-on experience and very good understanding of at least one of the technical areas below (multiple is a big plus):  Core CS products/technologies/protocols, not all mandatory: MSC/ MSC Server, STP, HLR/HLR-FE, CUDB, HSS/HSS-FE, DEA/DRA/DSC, APG 43/43L, IMS, Protocol Analyzer, Protocol Stack knowledge (SS7, SIGTRAN, Diameter, SIP), VoLTE, CCDM, 5G Core  VAS products/technologies/protocols, not all mandatory: SMSC, SMPP, SMS over SGd/IMS, Location Based Services (LBS – 3G&4G)  Experience on the Ericsson products like STP, HLR/HLR-FE, CUDB, HSS/HSS-FE, DEA/DRA/DSC is a plus Good knowledge of Linux, Google Cloud, and OpenStack, Kubernetes is a plus. Knowledge of scripting (Python, BASH) is a plus. Availability to work on-call Proficiency in English. Ability to react quickly, also very good communication and collaboration skills. Perseverance, interest in documenting and problem solving, practical spirit, advising, helping and developing others, tact, understanding, ambition, self-confidence. Analytical technical thinking. Powered by JazzHR