The Senior Proposal Writer leads and coordinates complex proposal projects, writing and editing proposals, collaborating with SMEs, and ensuring timely delivery to meet bid specifications.

Lead Abarca's MAC program for accurate generic reimbursement across networks, manage pricing strategies, implement quality assurance, and comply with regulatory standards.

Manage rebate negotiations and contracts with pharmaceutical manufacturers; analyze utilization and rebate proposals using SQL, Tableau, and Excel; model financial impacts of formulary changes; load and validate rebate agreements and invoicing in Darwin; support clients, account teams, audits, and special projects related to rebates.