Domata Peko

Defensive Line Coach, Pittsburgh Steelers (PIT).

Quick Facts

• Role: Defensive Line Coach
• Team: Pittsburgh Steelers (PIT)
• NFL experience: 2 years
• Reports to: Mike McCarthy (Head Coach)
• Coaching tree: see Coaching Trees

Background

Domata Peko is in his first season as the Steelers' defensive line coach in 2026. He most recently served as the defensive line coach at Colorado in 2025. Peko – who served as a defensive assistant for Dallas in 2024 – entered coaching after a 15-year playing career in the NFL. Peko played in 214 career games (194 starts) for Cincinnati (2006-16), Denver (2017-18), Baltimore (2019) and Arizona (2020). His 214 games played are the 10th-most by a defensive tackle in NFL history.