Application Support Engineer
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About the Role
NISH Tech BV is looking for an experiencedApplication Support Engineer to support the deployment, operation and maintenance of in-house applications within a complex enterprise IT environment. You will work acrossLinux, Windows Server, IIS, SQL and infrastructure technologies, ensuring applications are deployed reliably and remain available across Acceptance and Production environments.
Key Responsibilities
- Deploy and update in-house applications across Acceptance and Production environments, primarily usingWindows IIS and SQL.
- Support the architecture, setup and deployment of new applications.
- Provide2nd-line application supportand contribute to 2nd/3rd-level troubleshooting when required.
- Deploy and support applications onLinux Red Hat and Windows Server environments.
- Analyse application and system logs and troubleshoot technical incidents.
- ConfigureF5 load-balancing VIPsfor web applications.
- Support and maintain shared technologies such asRabbitMQ and Redis Cache.
- Contribute to and validateDisaster Recovery Plans and Business Continuity Plans.
- Monitor application and infrastructure health and ensure reliable service operation.
- Collaborate with IT clients, infrastructure teams, application teams and external vendors to resolve incidents and technical issues.
- Maintain accurate installation, operational and technical documentation.
- Support continuous improvement of application support and deployment processes.
- Contribute to the security, availability and operational stability of supported applications.
Required Skills
Mandatory Skills
- At least5 years of relevant experiencein Application Support, System Administration, Infrastructure Support or a similar role.
- Strong recent experience withLinux Red Hat, including application deployment, log analysis, system health monitoring and scripting.
- Strong experience withWindows Server 2012–2022.
- Good knowledge ofMicrosoft IISand web application deployment.
- Good knowledge ofPowerShell.
- Understanding offirewalls and network load balancing.
- Knowledge ofDevOps and CI/CD pipelines.
- Strong troubleshooting and analytical skills.
- Ability to work independently while collaborating effectively with technical teams.
- Customer-oriented, pragmatic and solution-focused approach.
- Willingness and ability to learn new technologies.
Nice-to-Have Skills
- Microsoft SQL Server.
- MongoDB.
- RabbitMQ.
- Neo4j.
- Redis Cache.
- F5 load balancing.
- Disaster Recovery and Business Continuity experience.
- Infrastructure and application security.
- Experience in critical infrastructure or highly available enterprise environments.
Languages & Practical Requirements
- Fluent English
- Fluent French or Dutch.
- Validdriving licence and access to a car.
- Mobile phonerequired for the duty/standby role.
- Willingness to participate in a24/7 duty rotation, approximately 1 week every 6 weeks.
About NISH Tech BV
NISH Tech BV connects technology professionals with opportunities across Europe. We support organizations with specialist expertise acrosscybersecurity, infrastructure, cloud, software engineering, data and digital transformation.
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