Senior Mainframe Programmer – SWIFT & Financial Messaging

Brown Brothers Harriman & Co.; Boston (MA); On-site; USD 110,000 - 160,000; Full time

Job summary

BBH is seeking an experienced Mainframe Programmer to join our Data Movement Technology team in Boston, MA. The role focuses on support, maintenance, and optimization of mission-critical mainframe applications that handle financial messaging and payments.

You will participate in full software development lifecycle, incident resolution, performance tuning, and on-call coverage in a high‑availability 24x7 environment, with opportunities to expand expertise in SWIFT and related technologies.

Qualifications

• 10+ years hands-on mainframe development and support experience in large-scale enterprise environments.
• Strong COBOL, JCL, DB2, CICS, MQ, z/OS (MVS), ChangeMan or equivalent source control/change management tools.
• Experience installing, configuring, and supporting IBM software products.
• Experience with IBM Financial Transaction Manager (FTM) or similar platforms.
• Strong SQL and DB2 performance tuning experience.
• Excellent verbal and written communication skills; ability to work in a fast-paced, high-availability environment.

Responsibilities

• Support and maintain critical mainframe applications that support financial transaction processing and messaging.
• Provide application support using COBOL, JCL, DB2, MQ, CICS and z/OS technologies.
• Troubleshoot production issues, perform root-cause analysis, and ensure system stability.
• Support, install and administer IBM Financial Transaction Manager (FTM).
• Monitor application and system performance and implement improvements as needed.
• Collaborate with operations, infrastructure, database, network, and support teams.
• Participate in code reviews and support application enhancements and defect fixes.
• Create and maintain technical and operational documentation.
• Follow change management and release processes using tools such as ChangeMan.
• Participate in an on-call rotation to support high availability requirements.
• Support Business Continuity Planning (BCP) and Disaster Recovery (DR) activities.
• Support SWIFT CSP requirements.

Skills

COBOL

JCL

DB2

CICS

z/OS

MQ

SWIFT messaging

SQL

Problem solving

Communication

Education

Bachelor's degree in CS/IT

Tools

IBM FTM

ChangeMan

IBM Integration Bus (IIB)

Job description

BBH is seeking an experienced Mainframe Programmer to join our Data Movement Technology team in Boston, MA. The role focuses on support, maintenance, and optimization of mission-critical mainframe applications that handle financial messaging and payments.

You will participate in full software development lifecycle, incident resolution, performance tuning, and on-call coverage in a high‑availability 24x7 environment, with opportunities to expand expertise in SWIFT and related technologies.