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application support specialist

2 weeks ago

Johannesburg, Gauteng, South Africa Africonology Solutions Full time R900 000 - R1 200 000 per year

We are seeking an experienced
Application Support Specialist
with a strong background in supporting enterprise-level applications built on the
Microsoft .NET technology stack (C#, ASP.NET, MS SQL Server, IIS)
as well as
React
and
Docker
. The ideal candidate will demonstrate a structured and analytical approach to
incident, problem, and change management
, ensuring system reliability, performance, and seamless user experience.

Key Responsibilities

  • Provide technical support for enterprise applications built on .NET, React, and Docker.
  • Diagnose, troubleshoot, and resolve application, database, and infrastructure issues within agreed SLA timelines.
  • Perform root cause analysis (RCA) for recurring incidents and implement permanent fixes.
  • Monitor and maintain application health using logs, alerts, and performance dashboards.
  • Collaborate with development, QA, infrastructure, and DevOps teams to ensure smooth deployments and application stability.
  • Participate in release management, patching, and configuration changes on IIS and containerized environments.
  • Maintain accurate documentation of issues, solutions, and configurations.
  • Provide end-user and stakeholder support through clear communication and escalation processes.
  • Contribute to continuous improvement by automating support tasks and optimizing monitoring tools.

Required Skills & Experience

  • Minimum 5 years of proven experience providing application support for enterprise-level systems.

  • Strong proficiency in:

  • Microsoft .NET (C#, ASP.NET)

  • MS SQL Server - writing complex queries, stored procedures, performance tuning
  • IIS configuration and troubleshooting
  • React - front-end support, debugging, and build management

  • Docker - container management, deployments, and troubleshooting

  • Experience with incident, problem, and change management frameworks (ITIL certification advantageous).

  • Familiarity with CI/CD pipelines, version control (Git), and monitoring tools (e.g., AppDynamics, New Relic, or Azure Monitor).
  • Strong analytical, communication, and documentation skills.
  • Ability to work under pressure and manage multiple priorities in a fast-paced environment.

Preferred Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Experience with Azure or other cloud platforms.
  • Exposure to microservices or container orchestration (e.g., Kubernetes).
  • Basic understanding of scripting languages (PowerShell, Bash, or Python).