Lead Application Support Engineer .Net Stockholm, Sweden

Infosys Limited; Stockholms kommun; On-site; SEK 50,000 - 80,000; Full time

Benefits offered by this job

Competitive compensation including bonus

Job summary

Infosys Limited is looking for a Technology Lead based in Stockholm to manage and support .NET based applications. The role involves providing Level 2 and Level 3 support, diagnosing complex application issues, and ensuring system stability through observability tools.

The ideal candidate has strong skills in C#, .NET Framework, and SQL Server, with a background in ITIL processes. The position promotes a collaborative work environment with opportunities for continuous learning and improvement.

Qualifications

• Experience in C#, .NET Framework, and .NET Core is a must.
• Strong SQL Server skills required for performance tuning.
• Familiarity with Azure or AWS is preferred.

Responsibilities

• Provide Level 2 and Level 3 support for .NET applications.
• Diagnose and resolve application and integration issues.
• Monitor application health, logs, and alerts for stability.

Skills

C#

.NET Framework

.NET Core

ITIL processes

SQL Server

Azure or AWS

Tools

ServiceNow

JIRA

Git

Azure DevOps

Job description

Job details

Job Role: Technology Lead

Work Location: Stockholm

State / Region / Province: Sweden

Country: Sweden

Domain: Delivery

Interest Group: Infosys Limited

Company: ITL Sweden

Requisition ID: 145061BR

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

• 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

• 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.

Equal Opportunity Statement

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.