Hybrid Junior App Support - Lisbon | Growth

Decskill; Lisboa; Hybrid; EUR 30,000 - 40,000; Full time

Benefits offered by this job

Long-term projects with national and international context

Opportunities for technical and professional growth

People-first culture focused on transparency and trust

Teams that value ownership, collaboration, and stability

Job summary

Decskill is expanding and seeking a Junior Application Support professional for a hybrid role in Lisbon. You will provide support in production environments to ensure system availability and performance, alongside managing incidents across Linux and Windows systems.

Applicants should have 1-3 years of experience in application support, solid scripting skills, and a basic understanding of databases and monitoring tools. Decskill values a people-first culture focused on growth and opportunities.

Send your CV in English to [e-mail] with reference 'MA/JSAP'.

Qualifications

• 1-3 years of experience in application support or similar roles.
• Strong knowledge of Linux and Windows systems administration.
• Experience with job schedulers (Control-M or similar).
• Proficiency in scripting (Shell, Python, and/or PowerShell).
• Experience with application servers (JBoss, Tomcat, Apache, IIS).
• Knowledge of databases (Oracle, Sybase, SQL Server, MySQL) with basic SQL skills.
• Experience with monitoring tools (Zabbix, Grafana preferred).
• Familiarity with infrastructure backups.
• Knowledge of LDAP, Active Directory, Firewalls, Reverse Proxy, Kerberos.
• Basic understanding of container-based infrastructure.
• Basic networking knowledge.
• English proficiency (minimum B2).

Responsibilities

• Provide application support in production environments, ensuring system availability and performance.
• Monitor applications and infrastructure using monitoring tools, identifying and resolving incidents proactively.
• Manage and troubleshoot issues across Linux and Windows systems.
• Execute and monitor batch jobs using scheduling tools (e.g., Control-M).
• Perform basic database queries and troubleshooting (Oracle, SQL Server, MySQL, etc.).
• Support application servers such as JBoss, Tomcat, Apache, or IIS.
• Develop and maintain scripts (Shell, Python, PowerShell) to automate operational tasks.
• Handle infrastructure backups and ensure data integrity.
• Collaborate with development and infrastructure teams to resolve issues and improve system stability.
• Contribute to continuous improvement with a DevOps mindset.

Skills

Linux and Windows systems administration

Job schedulers (Control-M or similar)

Scripting (Shell, Python, and/or PowerShell)

Application servers (JBoss, Tomcat, Apache, IIS)

Databases (Oracle, Sybase, SQL Server, MySQL)

Monitoring tools (Zabbix, Grafana)

Infrastructure backups

LDAP, Active Directory, Firewalls, Reverse Proxy, Kerberos

Container-based infrastructure

Networking knowledge

English proficiency (minimum B2)

Job description

Decskill is expanding and seeking a Junior Application Support professional for a hybrid role in Lisbon. You will provide support in production environments to ensure system availability and performance, alongside managing incidents across Linux and Windows systems.

Applicants should have 1-3 years of experience in application support, solid scripting skills, and a basic understanding of databases and monitoring tools. Decskill values a people-first culture focused on growth and opportunities.

Send your CV in English to [e-mail] with reference 'MA/JSAP'.