in 1669, luxdorph was appointed to secretary in the danish chancellery. he had close ties to peder schumacher (griffenfeld) and was first 1671 appointed as "ordenssekretær" and then in 1672 as "ceremonimester". griffenfeld's fall from power did not stop his career. in 1676, he was promoted to assessor in danish chancellery and in 1680 to "kancelliråd" and secretary of kommerskollegiet. in 1688, he was appointed as "oversekretær". he was awarded the title of "etatsråd" in 1684.