B.tech mechanical fresher,getting a job as a sales executive in a construction firm. It doesn't matches my profile,effect my further career

B.tech mechanical fresher,getting a job as a sales executive in a construction firm. It doesn't matches my profile, will it effect my further career ? Will the experience be counted ? If not, then should i go for it ? I have got 61.8% in b.tech mechanical , what else are my options ?