SAP BASIS, short for “Business Application Software Integrated Solution,” is the technical foundation and administration layer of SAP systems. It encompasses a set of middleware programs, tools, and services that support the efficient functioning and management of SAP applications.

Key aspects or skills required for SAP BASIS:

An SAP BASIS Administrator plays a critical role in managing the technical infrastructure of SAP systems. This role requires a diverse set of skills to ensure the smooth functioning of SAP applications and the underlying database. Here are some essential that an SAP BASIS Administrator should possess:

1. SAP System Administration: In-depth knowledge of SAP applications and system landscapes, including the ability to configure, monitor, and troubleshoot SAP systems. This includes handling tasks like client management, system monitoring, and transport management.
2. Database Management: Proficiency in managing and maintaining the database systems that support SAP, such as Oracle, Microsoft SQL Server, SAP HANA, or other supported database platforms. Understanding database administration tasks, performance tuning, and backup and recovery processes is crucial.
3. Operating System Knowledge: Familiarity with the operating systems on which SAP systems run, such as Windows, Linux, Unix, or other supported platforms. This includes system installation, practice, and performance monitoring.
4. Security Management: Understanding of SAP security concepts and the ability to configure user access, roles, and authorizations. Knowledge of best practices for securing SAP systems from potential threats.
5. Transport Management: Experience in managing transports in SAP landscapes, ensuring that changes move through the system landscape efficiently and without disruptions.
6. Performance Monitoring and Tuning: Ability to monitor system performance, identify bottlenecks, and tune the system for optimal performance.
7. SAP Upgrades and Patching: Proficiency in planning and executing SAP system upgrades, applying patches, and implementing support packages. 
8. Backup and Recovery: Knowledge of backup strategies and disaster recovery procedures to safeguard critical data and ensure business continuity. 
9. Troubleshooting Skills: Strong problem-solving abilities to identify and resolve technical issues, including analyzing logs, and dumps to diagnose problems.
10. Technical Documentation: Effective documentation skills to maintain clear and organized records of system configurations, changes, and processes. 
11. Monitoring Tools: Familiarity with SAP monitoring tolls and third-party monitoring solutions to keep a close eye on system health and performance.
12. Integration Knowledge: Basic understanding of how SAP systems integrate with other applications and technologies within the organization’s IT landscape.
13. Scripting and Automation: Knowledge of scripting languages like Bash, Power shell, or Python to automate routine tasks and improve operational efficiency.
14. Communication and Collaboration: Strong communication skills to work effectively with other teams, users, and stakeholders, as well as the ability to collaborate on cross-functional projects.
15. Interfaces and Integration: Configuration and monitoring interfaces between SAP systems and external applications for seamless data exchange.
16. Print and Spool Management: Managing the printing and spooling services for SAP documents and reports.
17. Background Job Management: Scheduling and monitoring automated background jobs that run at specific intervals.
18. System monitoring and Diagnostics: Using various tools to monitor the health and performance of SAP systems and diagnosing and resolving any issues that arise.

It’s important to note that the specific skill requirements for an SAP BASIS Administrator may vary depending on the organization’s SAP landscape and the technologies in use. Continuous learning and staying up-to-date with the latest SAP technologies and best practices are essential for a successful career as an SAP BASIS Administrator.