The Brokerage Record Technology Tax Engineering team within Fidelity Wealth Technology is looking for a passionate and experienced Senior Mainframe Software Engineer to help design, enhance, and modernize our mission‑critical tax processing systems. You will collaborate closely with architecture, product, and business partners to build reliable, scalable solutions that support Fidelity’s brokerage and tax processing platforms.
The Purpose
As a Senior Mainframe Software Engineer, you will quickly develop a deep understanding of our mainframe ecosystem—including core applications, data flows, integrations, and end‑to‑end processing. You will be a strong technical contributor focused on engineering excellence, hands‑on delivery, and ensuring the reliability, performance, and scalability of high‑volume, business‑critical systems.
The Expertise You Bring
Deep hands‑on expertise with COBOL, JCL, VSAM, CICS, batch/online processing, IOM, and enterprise batch scheduling tools.
Experience designing, engineering, and optimizing mission‑critical mainframe applications.
Good to have Finance domain experience especially in Corporate Actions and Tax.
Advanced SQL proficiency across DB2, Oracle, and/or Postgres with strong data analysis and performance debugging skills.
Proven experience modernizing legacy mainframe systems and integrating with distributed or cloud architectures.
Ability to research, and deliver complex end‑to‑end technical solutions, including specifications, integration designs, and documentation.
Strong Agile background with the ability to mentor junior engineers and contribute to technical direction.
Exceptional analytical, debugging, and cross‑functional collaboration skills.
Bachelor's degree in Computer Science, Engineering, or related field with 6+ years of experience, or a Master's degree with 3+ years of experience.