[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Infosys jobs](https://jobs.opennash.com/companies/infosys/) · [Search jobs](/search/) Infosys · Stockholm # Lead Application Support Engineer|.Net| Stockholm, Sweden Stockholm Manager or lead Operations Last seen on Infosys’s official careers site on July 30, 2026; it may have closed since. [Apply on Infosys’s careers site →](https://digitalcareers.infosys.com/global-careers/company-job/description/reqid/145061BR) [OpenNash Jobs](https://jobs.opennash.com/) / [Infosys](https://jobs.opennash.com/companies/infosys/) / Lead Application Support Engineer|.Net| Stockholm, Sweden ## Job description ### Role - Application Support Engineer-.NET based apps, L2/L3 support Technology –C#,.NET Framework,.NET Core, ITIL processes and ITSM tools (ServiceNow or equivalent), Monitoring & observability tools (APM, logs, alerts) Location - Stockholm, Sweden Business Unit – CMTADM Compensation - Competitive (including bonus) Your role In the role of Application Support Engineer, you will be responsible for proactive identification of issues in production environment leveraging observability tools with the aim of reducing MTTD and MTTR. In the process, you will also be collaborating and working closely with business, product and engineering teams, across geographies. You will be part of a learning culture, where teamwork and collaboration are encouraged, excellence is rewarded, and diversity is respected and valued. Flexibility to work in rotation shifts/on call support environment is required for this role. ### Key Responsibilities Application Support (L2/L3) Provide Level 2 and Level 3 support for.NET based applications in production environments - Diagnose and resolve complex application, performance, and integration issues - Perform root cause analysis (RCA) and implement permanent fixes - Handle major incidents, outages, and escalations with timely resolution - Monitor application health, logs, and alerts to ensure system stability Technical Troubleshooting Debug issues involving C#, ASP.NET, ASP.NET MVC/Core, Web APIs - Analyse application logs, IIS logs, Windows Event Viewer, and custom logs - Troubleshoot issues related to SQL Server (queries, performance, deadlocks, indexing) - Support integrations with third party services, APIs, and message queues ### Production & Release Support - Support deployments, hotfixes, patches, and releases in production - Coordinate with DevOps teams for CI/CD pipeline execution - Ensure rollback plans, post deployment validation, and monitoring ### Performance & Reliability - Identify and resolve performance bottlenecks in applications and databases - Support application scalability, availability, and resiliency - Perform proactive maintenance and preventive fixes ### Collaboration & Documentation - Work closely with development, QA, infrastructure, and business teams - Create and maintain support documentation, SOPs, KBs, and runbooks - Participate in on call rotations and out of hours support (as required) ### Required Technical Skills Core Technologies - Strong experience in C#,.NET Framework,.NET Core ASP.NET, ASP.NET MVC, Web APIs SQL Server (T SQL, performance tuning, execution plans) Application & Infrastructure IIS, Windows Server REST/SOAP web services - Familiarity with Azure or AWS (App Services, VMs, monitoring – preferred) Logging & monitoring tools (App Insights, Splunk, ELK, etc.) DevOps & Tools CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins – any) ### Source control Git Ticketing tools: ServiceNow(or equivalent), JIRA, Azure DevOps ### Preferred Skills Experience in telecommunication domain. Exposure to PowerShell scripting ITIL Foundation certification Personal Besides the professional qualifications, we respect and place equal importance to the candidate’s personality which facilitates success in customer environments. Few traits we look for are: High analytical skills A high degree of initiative, flexibility and adaptability High customer orientation Quality awareness Good verbal and written communication skills About Infosys Infosys is a global leader in next-generation digital services and consulting. We enable clients in over 50 countries to navigate their digital transformation. With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through the many next of their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise and ideas from our innovation ecosystem. Visit www.infosys.com to see how Infosys can help your enterprise navigate your next. All aspects of employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Jul 30, 2026 - Last checked: Jul 30, 2026 - Listed for: Under a day - Location: Stockholm[Apply on Infosys’s careers site →](https://digitalcareers.infosys.com/global-careers/company-job/description/reqid/145061BR) ## More jobs at Infosys ### [Senior Support Engineer| OpenText NNMi | Stockholm, Sweden](https://jobs.opennash.com/companies/infosys/jobs/eef90882ad659896729d/) Stockholm ### [Lead Production Support Engineer | Python & Java | Stockholm](https://jobs.opennash.com/companies/infosys/jobs/7ff73154e352929234c6/) Stockholm ### [SAP FICO S/4HANA Consultant - Sweden](https://jobs.opennash.com/companies/infosys/jobs/e7cd4210cb6bdcf854ee/) Stockholm ### [SAP S4 Hana APO/IBP Consultant - Sweden](https://jobs.opennash.com/companies/infosys/jobs/d4b3207884fa4bc5c2d1/) Stockholm ## Similar jobs at other companies ### [Application Support Engineer](https://jobs.opennash.com/companies/accenture/jobs/66a0c4cae870cea2c318/) Accenture ### [Senior Application Support Engineer](https://jobs.opennash.com/companies/jpmorganchase/jobs/c3a25820c749a7ed2a42/) JPMorganChase · Metro Manila, National Capital Region, Philippines ### [Advanced Application Support Engineer – Polarion Product (Remote)](https://jobs.opennash.com/companies/siemens/jobs/d916120f8779bc8d0044/) Siemens ### [Technical Support & Application Engineer - Emergency Lighting (Middle East)](https://jobs.opennash.com/companies/eaton/jobs/caeec4c86fbecba43bcd/) Eaton · Dubai, ARE OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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