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Mastech Digital · 9 hours ago

Mainframe Consultant

Boston, MA

Full-time

Hybrid

Lead/Staff

8+ years exp

Mastech Digital Inc. is a minority-owned, publicly traded IT staffing and digital transformation services company headquartered in Pittsburgh, PA. They are seeking a Principal Mainframe Software Engineer with deep expertise in mainframe applications, particularly with COBOL and related technologies, to enhance the stability and performance of their client tax processing platform.

Information Technology

Growth Opportunities

H1B Sponsor Likely

Hiring Manager

Gulati Gaurav

Responsibilities

Lead and contribute to architecture design initiatives that shape mainframe and hybrid-platform solutions

Define and implement application and system-level architectures for high-performance, resilient mainframe environments

Recommend development tools, testing frameworks, and engineering methodologies to improve quality and efficiency

Ensure production readiness, quality assurance, performance, and compliance with enterprise standards

Author comprehensive documentation including architecture diagrams, integration specs, and modernization playbooks

Lead full project lifecycle planning and execution for large-scale, cross-platform initiatives

Identify engineering risks and drive mitigation strategies to ensure system resilience

Serve as a senior liaison to business and technology partners, translating requirements and resolving technical issues

Champion production stability by proactively monitoring, diagnosing, and resolving system issues, driving root-cause analysis, and ensuring 24/7 reliability

Qualification

COBOLJCLVSAMCICSSQLDB2OraclePostgresAgileAnalytical skillsDebugging skillsRisk managementCollaboration skillsDocumentation

Required

Deep hands-on expertise with COBOL, JCL, VSAM, CICS, batch/online processing, IOM, and enterprise batch scheduling tools

Extensive experience designing, engineering, and optimizing mainframe applications

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, architect, and deliver sophisticated end-to-end technical solutions

Strong Agile background with the ability to mentor teams and influence technical direction

Outstanding analytical, debugging, and cross-functional collaboration skills

Bachelor's degree or equivalent experience in Computer Science Engineering