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Beacon Hill · 21 hours ago

Principal Mainframe Software Engineer (COBOL, Oracle)

Merrimack, NH

Contract

Hybrid

Lead/Staff

8+ years exp

Beacon Hill is a premier National Information Technology Staffing Group, and they are seeking a Principal Mainframe Software Engineer with deep expertise in COBOL and mainframe applications. The role involves designing, engineering, and optimizing mainframe applications while leading architecture design initiatives and ensuring production readiness and system resilience.

Staffing Agency

H1B Sponsor Likely

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

COBOLJCLIBM DB2SQL proficiencyCICSVSAMOraclePostgresAgileAnalytical skillsDebugging skillsProject lifecycle planningCross functional collaborationDocumentation

Required

8 years of COBOL language, JCL, VSAM, CICS, IOM

Scheduling - Control M

Strong DB (IBM DB2)

oracle and Postgres works

IBM DB2 is preference

Has Iterative SDLC environment experience

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