Does this text sound correct? I wasn't able to find the right words to express how having two different skillsets can create a model. I think the word mature doesn't express this idea.

I have solid knowledge in strategic sourcing best practices across different industries and financial knowledge, together they make my skillset very unique because I can help companies to improve their operations and drive sustainable cost reduction through more mature planning models.

Question

Does this text sound correct? I  wasn't able to find the right words to express how having two different skillsets can create a model. I think the word mature doesn't express this idea.

I have solid knowledge in strategic sourcing best practices across different industries and financial knowledge, together they make my skillset very unique because I can help companies to improve their operations and drive sustainable cost reduction through more mature planning models.

Answer

I have solid knowledge in finance and strategic sourcing best practices across different industries, together they make a unique skillset. I will be a helping hand for companies to improve their operations and drive sustainable cost reduction through more mature planning models.

Answer

After you’ve changed “…create a unique skill set” I would drop “because” and simply state “ I ( drop can) ….” It makes you sound more confident in your ability to deliver the skills you describe. Also, you might use “robust” instead of mature. 
I hope this is helpful!

Answer

“Together, they create a unique skill set” is more exact and a bit smoother.

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