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Advancio

Senior Application Programmer – Mainframe Systems

Advancio

. Design, develop, enhance, and maintain complex mainframe applications and software solutions .

Posted 9/15/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in mainframe application development, including proficiency in COBOL, IMS, DB2, and CICS. Capable of leading technical initiatives, optimizing system performance, and ensuring compliance with security and governance standards.

Highest-signal resume keywords
Mainframe Application DevelopmentCOBOL ProgrammingDB2 Database ManagementCICS Transaction ManagementSoftware Development Lifecycle

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
COBOLIMSDB2CICSAssemblerNatural / SuperNaturalMVS JCLMVS TSO / ISPFVSAMSQL
Soft Skills
CollaborationProblem-SolvingCommunicationAnalytical ThinkingLeadership
Tools & Technologies
IBM WebSphereIBM OPTIMCA Gen (CoolGen)CA EndevorDYL260 / DYL280SPUFIICEMAN / ICETOOLSFILE ManagerN2OFTP
Industry Keywords
Enterprise Mainframe EnvironmentsTransactional SystemsMission-Critical ApplicationsSystem IntegrationApplication Architecture

Tech Stack

Tools & technologies
SQL

About the role

Key responsibilities & impact
  • Design, develop, enhance, and maintain complex mainframe applications and software solutions
  • Analyze business and system requirements and translate them into scalable technical solutions
  • Create and maintain application architecture, technical specifications, and program documentation
  • Develop, test, debug, and implement software enhancements and new functionality
  • Work with business stakeholders and technical teams to validate requirements and ensure successful delivery
  • Troubleshoot production issues and provide ongoing application support
  • Perform system integration activities between hardware and software components
  • Conduct code reviews and ensure adherence to development standards and best practices
  • Optimize system performance, reliability, scalability, and maintainability
  • Ensure compliance with security, governance, and information assurance standards
  • Evaluate and recommend emerging technologies and process improvements
  • Lead technical initiatives while collaborating with cross-functional teams

Requirements

What you’ll need
  • Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related field
  • Equivalent professional experience may be considered in lieu of formal education
  • Minimum of 7 years of hands-on experience in mainframe application development and programming
  • Minimum of 7 years of experience working with IMS, DB2, COBOL, and CICS in enterprise mainframe environments
  • Experience with software development lifecycle methodologies including analysis, development, testing, deployment, and support
  • Experience working with large-scale transactional systems and mission-critical applications
  • COBOL
  • Natural / SuperNatural
  • IMS DB/DC
  • DB2 / SQL
  • Assembler
  • SAS
  • CICS
  • MF FOCUS
  • MVS JCL
  • MVS TSO / ISPF
  • IBM OPTIM
  • FILE Manager
  • SPUFI
  • ICEMAN / ICETOOLS
  • SORT
  • VSAM
  • CLIST
  • FTP
  • DYL260 / DYL280
  • CA Gen (CoolGen)
  • CA Endevor
  • CA Spool
  • CA OM Web Viewer
  • IBM WebSphere
  • Debugger
  • N2O
  • DB2
  • IMS
  • ADABAS
  • FOCUS
  • z/OS
  • EntireX
  • ASP
  • HTML
  • Cloverleaf

Benefits

Comp & perks
  • Remote work arrangement