宋欣(xin)先后任航(hang)天(tian)(tian)(tian)部(bu)第(di)(di)(di)三(san)(san)(san)研(yan)究(jiu)院(yuan)(yuan)(yuan)三(san)(san)(san)部(bu)一室(shi)技術員,中央講師(shi)團漢中分團講師(shi),航(hang)空航(hang)天(tian)(tian)(tian)部(bu)(后為航(hang)天(tian)(tian)(tian)總公司)第(di)(di)(di)三(san)(san)(san)研(yan)究(jiu)院(yuan)(yuan)(yuan)三(san)(san)(san)部(bu)科(ke)技處助理員、科(ke)技處副(fu)處長(chang)(chang)、主(zhu)任助理、副(fu)主(zhu)任,中國航(hang)天(tian)(tian)(tian)機電集(ji)團第(di)(di)(di)三(san)(san)(san)研(yan)究(jiu)院(yuan)(yuan)(yuan)研(yan)試中心(xin)主(zhu)任,中國航(hang)天(tian)(tian)(tian)科(ke)工(gong)集(ji)團第(di)(di)(di)三(san)(san)(san)研(yan)究(jiu)院(yuan)(yuan)(yuan)副(fu)院(yuan)(yuan)(yuan)長(chang)(chang),中國航(hang)天(tian)(tian)(tian)科(ke)工(gong)集(ji)團第(di)(di)(di)三(san)(san)(san)事業部(bu)副(fu)部(bu)長(chang)(chang),中國航(hang)天(tian)(tian)(tian)科(ke)工(gong)集(ji)團第(di)(di)(di)三(san)(san)(san)研(yan)究(jiu)院(yuan)(yuan)(yuan)院(yuan)(yuan)(yuan)長(chang)(chang),中國航(hang)天(tian)(tian)(tian)科(ke)工(gong)集(ji)團第(di)(di)(di)二研(yan)究(jiu)院(yuan)(yuan)(yuan)院(yuan)(yuan)(yuan)長(chang)(chang)、黨委(wei)副(fu)書記。第(di)(di)(di)十(shi)一屆(jie)、十(shi)二屆(jie)全(quan)國政(zheng)協(xie)委(wei)員。
2013年1月(yue),任中國航天科工集團公司(si)副總經理、黨組成員。
2018年9月,中國機械工業(ye)集團有限公司董(dong)事、黨委副書記。