Por resposta de Alex K, parece que você está descrevendo a série Altered Carbon de Richard Morgan.
O transporte lento de corpos (por "needlecasting") é um tema importante do livro e a viagem FTL é impossível. A descrição na wikipedia também sugere que o personagem principal é algum tipo de solucionador de problemas com vários talentos.
Kovacs is an ex Envoy, a military unit formed to cope with the challenge of interstellar warfare. Faster-than-light travel is only possible by subspace transmission, called needlecasting, of a digitally stored consciousness to "download centers" where resleeving into physical bodies can be carried out. Transmitting normal soldiers in this way would severely inhibit their effectiveness, since they would have to cope with a new body and an unknown environment while fighting. To combat this, Envoy training emphasises mental techniques necessary to survive in different bodies over physical strength, and the sleeve in which they are transmitted has special neuro-chemical sensors which amplify the power of the five senses, intuition and physical capabilities. The effectiveness of the Envoy Corps' training is such that Envoys are banned from holding governmental positions on most worlds. Kovacs is persistently wracked by his memories of the action taken by the Envoy Corps in a battle on the planet Sharya and especially by the military debacle on Innenin, in which the Corps suffered extensive casualties after their stacks were infected with a lethal virus, Rawling 4851.