Feeder role é um termo usado em RH no âmbito de planos de carreira, cargos e salários.

Em um plano de carreira, seria um cargo de acesso (ou subordinado) para a promoção a um determinado cargo.

EXEMPLOS DO USO DE FEEDER ROLE EM RH:

► https://talentguard.com/wp-content/uploads/2016/11/Competenc...

What are the steps to creating a Career Pathing program?
...
Step 4: Feeder Role and Next Potential Move

► https://aledelobelle.files.wordpress.com/2013/02/talentguard...

ROLE PROGRESSION

Identification of feeder roles and next potential roles within and across departments

► https://jobs.wowcher.co.uk/displayjob.aspx?jobid=133

This role is our entry position into the Commercial & Marketing Department. The role is core to our ability to understand and analyse our business, on everything from sales to website performance and marketing. The role is designed as a feeder role into our marketing department – opportunities will abound as the business grows and range from acquisition channel manager (of users/email addresses) to helping managing our millions of email sends a day.

► http://bit.ly/2qacfLM

avoiding early streaming of women into perceived stereotypical areas of strength, which may take them out of the running for key feeder roles into senior leadership positions.

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

Portanto, eu traduziria da seguinte forma:

Identification/review of potential next job opportunities including possible feeder roles outside the function
Identificação/análise de oportunidades de promoção em potencial, incluindo possíveis cargos de acesso/subordinados fora da função.

Espero que ajude! ☺