Join Our Team: E-commerce Marketing Manager. Company: Har-Tru, LLC & Lobster Sports, LLC. Location: Valencia, CA. Are you a digital-savvy, trend-conscious individual with a passion for e-commerce and brand storytelling. Look no further. Har-Tru, LLC is seeking an E-commerce Marketing Manager to take our online presence to the next level. About Us. At. Har-Tru. we’re not just about tennis courts and pickleball. we’re about creating an experience. ...