IMS Integration Engineer

At Ericsson you’ll have a unique opportunity. The chance to use your skills and imagination to push the boundaries of what’s possible. To create never-seen-before solutions to some of the world’s toughest problems. You’ll be challenged. But you won’t be alone. You’ll be part of a team of like-minded innovators, all driven to go beyond the status quo to build what comes next. At Ericsson you can be an explorer, a change maker and a force for good.

Key Qualifications:

• Bachelor's degree in Engineering/Computer Science or equivalent
• Knowledge of IMS Architecture and components
• Good knowledge of operation and troubleshooting of main IMS Core Nodes SBG, CSCF, HSS, MTAS, MGC, MGW, DNS
• Good knowledge in SIP, Diameter (Radius), DNS, RTP, ISUP, ISDN, TCP/IP and all IP technologies (CCNA level required), SS7
• Understanding of PSTN
• Linux working knowledge (file system, bash scripting, crontab)
• Ericsson Platform knowledge: TSP, IS, EBS, MRS, BSP is an advantage
• At least 2 years of work experience in a telecommunications environment (IMS, MSS, IP BB, PS) or customer services and support on 2nd Level or Planning & Design or Build activities
• Deep debugging knowledge, project implementation and network configuration
• Highly customer and service oriented with a very consultative way of working
• Business minded, high flexibility
• Ability to work independently and in a team environment
• Ability to work under strong pressure related to scale of business impact
• Good communication and interpersonal skills
• Very good English skills
• German is a plus
• Open for business trips abroad, about 30% of the time.
• Analytical learning and researching skills
• You will need excellent planning and organizing skills

We are now looking for an Integration Engineer to analyze, prepare, implement and verify the configuration and integration of a node, network and/or system. Your scope of work could include the scenarios of introduction, upgrade expansion, functionality and capacity. Your work will in part form our customer legacy.


• Manage networks and nodes within the IMS domain of our customers 2.5G, 3G & 4G networks (SIP, H323, IMS/IMT, VoLTE, VoWiFi)
• You will support pre-sales activities, including pre-studies
• Plan the implementation of the product configuration / integration work
• Execute product configuration, integration and migration work as well as troubleshooting of IMS/VoLTE Core nodes, networks and solutions at the customer premises or remote
• Prepare system test, module test and acceptance test
• Secure that the delivered solution is properly implemented and works according to the requirements
• Verification, integration and troubleshooting of complete End-to-End solutions in a Multi-Vendor Set-up
• Provide Solution Support including handling of Helpdesks and Customer Support Requests
• Preparation and execution of supply and acceptance projects with the customer
• Commissioning and integration of new sites
• Preparation, verification and execution of Software upgrades and updates
• Close cooperation with the different Ericsson organizations and third party suppliers
• Perform Configuration Management, i.e. generating and updating customer solution documentations and descriptions
• Fault handling and corrective actions on node, service and infrastructure level
• Project activities, implementing / adapting (new) IMS E2E service functionalities, nodes, services
• When needed covering the 7x24 monitoring shift responsibilities (On call support, Baby Sitting activities etc.)
• Provide input, implement and verify improvements in processes and work instructions.
• Verify and implement configuration changes
• You will work to identify and drive improvements
• Post project activities
• E2e technical understanding
• Execute test
• Knowledge sharing and collaboration skills