To become a senior system integration specialist, you need a combination of technical, analytical, and interpersonal skills. On the technical side, you should be knowledgeable in programming languages such as Java, C#, Python, or SQL. You should also have experience with software development methodologies like agile, waterfall, or DevOps. System integration tools and frameworks like middleware, APIs, ETL, or SOA should be familiar to you as well. In terms of system testing and debugging tools, you should understand unit testing, integration testing, or regression testing. Additionally, you should be well-versed in system security and compliance standards like encryption, authentication, or GDPR. Analytically speaking, you need to know how to analyze and design systems with UMLs, ERDs, or BPMNs. Data analysis and modeling using SQLs, Excels, or Power BIs should also be part of your skill set. Problem-solving and troubleshooting using root cause analysis, issue resolution, or risk mitigation is also necessary. Lastly for project management and documentation skills you must master scope, budgeting timelines and deliverables. Interpersonally speaking you must have communication and collaboration skills such as listening presenting and negotiating. Leadership and mentoring by way of delegating coaching or giving feedback is important too. You should also have customer service and relationship management skills such as understanding satisfying or retaining customers. In addition to these skills a bachelor's degree in information systems computer science engineering or a related field is required by most employers while some may prefer a master's degree or certification in system integration such as the Certified System Integration Professional (CSIP) or the Certified Software Development Professional (CSDP).