Tech (19-9, 3-4) tied the game in the top of the third on an RBI single by senior designated hitter Nick Blankenship that plated Jordan from third.
The Cowboys took a 2-1 lead in the bottom of the third when second baseman Nebasett Brown got an RBI double that plated Jeff Salazar who drew a lead-off walk.
Senior Bryon Smith, an Oklahoma City native, gave Tech its first lead in the top of the fourth when he hit a two-run home run over the right-center field fence.
Smith's two-run home run was his second home run of the season and first multiple-run knock of the year.
Jordan extended the Tech lead to 4-2 when he hit an RBI double to right field plating Jon Slack from first.
Oklahoma State tied the score in the bottom of the fifth by scoring two runs on a wild pitch by Tech starter Chris Phillips and an RBI single by Jose Virgil.
The Raiders regained the lead in the top of the fifth thanks to a two-RBI triple by Jordan that plated Jake Brown and Slack who both earned free passes in the inning.
Oklahoma State reliever Shane Hawk gave Tech its third run of the inning on a wild pitch that went bouncing into the dirt and away from catcher Jason Jaramillo allowing Jordan to score from third.
Tech got just one hit in the inning but was able to capitalize on four walks by Hawk.
Smith led off the top of the seventh with a double to right center field and junior second baseman Joel Buchenauer brought him home with a triple.
Buchenauer scored on a throwing error by Brown who tried to throw him out at home on a ball hit by Slack but the ball bounced past Jaramillo, which allowed Buchenauer to score safely.
The Cowboys rallied in the bottom of the eighth inning scoring three runs on two walks, an RBI double and a passed ball by catcher Willie Durazo.
Senior Matt Harbin replaced starter Chris Phillips in the eighth after he walked the first two batters in the inning.
Harbin faced just one batter as he gave up an RBI double to Daylon Monette before being replaced by closer Steve Rowe.
Monette scored the final run of the inning for the Cowboys on a passed ball by Durazo bringing the score to 9-7 in favor of Tech.
Rowe and the Tech defense retired three of the last four hitters for Oklahoma State to end the game.
Phillips picked up his third win of the season and the first since garnering a 2-1 win over TCU on Feb. 7th in the Astros College Classic.
He pitched seven innings, while allowing six earned runs on seven hits and striking out four. Rowe earned his third save of the season after pitching two innings and allowing just one hit.
Tech and Oklahoma State will play game-two of the series on Saturday afternoon at Allie P. Reynolds Stadium. First pitch is set for 2 p.m.