Despite increasing attention towards education as a quality measure for correctional services, little research attention has been paid to the qualification and training of prison officers. This article investigates how Norwegian prison officers understand their own professionalism and opportunities for professional development in their occupation. The analysis reveals that prison officers regard professionalism in line with a core value of loyalty, and guiding principles of humanity and equality for incarcerated persons. Further, the analysis shows that prison officers express pride and job satisfaction in their profession, and satisfaction with their education. Still, several of the officers highlight the need for continuing education in order to secure job mobility and further advancement within the correctional services. Knowing that the Norwegian education for prison officers is far more extensive than in other countries, significance of quality in prison officer education should be given more research attention.