BOSTON — When you work for the Boston Celtics, there’s no need for daily reminders about motivations. They’re constantly casting shadows overhead.

“There’s only one goal in Boston,” Coach Brad Stevens said. “There’s 17 banners hanging above us. We only go for one goal here.”

And few people are as keenly aware of that as Danny Ainge.

Ainge, the front-office chief for Boston, won two titles with the team in the 1980s, then was the architect of the team that brought the Celtics their 17th championship in 2008.

He’s since progressed from Kevin Garnett’s triumphant “Anything’s possible” declaration in ’08 to believing in the possibilities of the present with young talent that’s two wins away from returning the franchise to the conference finals for the first time since 2012.

But with the East’s top seed locked in 2-2 tie with Washington, the outcome of this series could go a long way toward affirming the recent moves Ainge has made, or exposing the holes that still exist.

Ainge, who has shown willingness to make big moves, stood pat at February’s trade deadline despite holding a wealth of assets. It’s a decision he hasn’t second-guessed.

“Make no mistake that we did try to improve our team,” Ainge said. “But we do have a lot of confidence in our team and the guys that don’t get a chance to play. It doesn’t seem really fair when we have guys that are healthy and that we like, and aren’t even getting on the court, to bring in other guys just because they’re playing and everyone assumes they’re better.”

After brushing off initial overtures, Ainge was lured back to Boston as president of basketball operations in 2003 with the endorsement of a Celtics legend, Red Auerbach.

The way Ainge once told the story to a church group, Auerbach called Ainge “the luckiest guy I know” in recommending him to the owners, Wyc Grousbeck and Steve Pagliuca.

While Ainge has acknowledged some fortunate outcomes to get the Celtics back to this point, such as the rise of Isaiah Thomas into an All-Star, there also have been plenty of pivotal moves by Ainge.

One of the league’s most-tenured front-office heads, he has recently used that experience to his advantage.

It started with the hiring of Stevens, then just a 37-year-old college coach at Butler, in 2013. That was followed by the trade of Garnett and Paul Pierce to Brooklyn, which netted the Celtics three first-round picks and the right to swap picks with the Nets this season.

That led to the drafting of rookie Jaylen Brown last summer and a wealth of possibilities with this year’s Brooklyn pick, which has the best odds of being No. 1 overall.

It’s a bargaining chip that still exists because of Ainge’s decision to not make any trade deadline in each of the last two years.

Though Boston did miss on wooing Kevin Durant to town last summer, it was able to land Al Horford, who has credited Ainge’s vision as a major factor that swayed him to sign.

Horford’s addition has not only provided the Celtics with needed leadership, but he’s been one of the sustaining elements for a group that was able to rally behind Thomas after the sudden passing of Thomas’ sister on the eve of the playoffs.

“I think that that showed the character of all the players involved,” Ainge said. “I think the first two games (of the Chicago series) there was a little bit of a cloud because one of our family was hurting really, really bad …It was like no one knew how to really react to the whole situation. Credit goes to Isaiah, first and foremost, for inspiring his team and the team for fighting for Isaiah.”

Kevin McHale, a TNT analyst and former NBA coach, played alongside Ainge and later saw him in action as an executive. McHale said while the word patient didn’t used to be one he would have used to describe his friend, it’s one example of how his style has evolved.

McHale said Ainge also has shown a willingness to bring tools like analytics into how he looks at his roster – even if at the he ultimately still relies on his instincts.

“He’s not a pigeonhole guy,” McHale said. “He uses everything and I think you have to. …He has a good eye for grit and toughness. None of that analytics can show that.”

Whether it’s luck or skill, Ainge isn’t waiting for an 18th banner to fall in his lap.

“It’s like being player … You don’t sit around and wait for luck,” Ainge said. “You work your way into having good fortune go your way. You behave and act a certain way with integrity and character so that when opportunities present themselves, you’re ready.”