Design, develop, test, maintain, and support IBM z/OS mainframe applications. Build COBOL programs, JCL jobs, DB2 stored procedures, VSAM file handling, CICS online and batch apps. Manage batch schedules (TWS), MQ integrations, SORT utilities, and code/version control. Provide production support, incident resolution, performance tuning, and collaborate with cross-functional teams while following coding standards and security/compliance guidelines.
Location:
4910 Tiedeman Road, Brooklyn OhioWe are seeking an experienced Mainframe Application Developer with strong expertise in IBM z/OS environments. The ideal candidate will be responsible for designing, developing, maintaining, and supporting mainframe applications, ensuring reliability, performance, and scalability of business-critical systems.
Key Responsibilities
- Design, develop, test, and maintain applications on IBM Mainframe (z/OS platform).
- Develop and maintain programs using COBOL, JCL, and DB2 (including Stored Procedures).
- Work with VSAM datasets, file handling, and performance optimization.
- Manage and support batch processing schedules using Tivoli Workload Scheduler (TWS).
- Perform code management and version control using LCM (or similar tools).
- Utilize SORT utilities for data manipulation and processing.
- Develop and support online and batch applications using CICS.
- Integrate systems using MQ (IBM WebSphere MQ) for messaging solutions.
- Participate in incident management, problem resolution, and production support.
- Collaborate with cross-functional teams to deliver high-quality solutions.
- Ensure adherence to coding standards, security practices, and compliance guidelines.
Education
- Bachelor's Degree or equivalent experience (preferred)
Work Experience
- 5+ years of relevant experience (required)
Required Skills
- Strong hands-on experience in:
- IBM Mainframe z/OS
- COBOL programming
- DB2 and Stored Procedures
- JCL (Job Control Language)
- VSAM
- CICS
- MQ (Messaging)
- SORT utilities
- Tivoli Workload Scheduler (TWS)
- Code management tools (LCM or equivalent)
- Knowledge or exposure to ZWDYL
- Strong debugging, problem-solving, and analytical skills
Core Competencies
- All KeyBank employees are expected to demonstrate Key’s Values and abide by Key’s Code of Conduct.
Physical Demands
- General Office - Prolonged sitting, ability to communicate face to face in person or on the phone with teammates and clients, frequent use of PC/laptop, occasional lifting/pushing/pulling of backpacks, computer bags up to 10 lbs.
Work Location Category
- Hybrid (2+ days)
COMPENSATION AND BENEFITS
This position is eligible to earn a base salary in the range of $80,000.00 - $150,000.00 annually. Placement within the pay range may differ based upon various factors, including but not limited to skills, experience and geographic location. Compensation for this role also includes eligibility for incentive compensation which may include production, commission, and/or discretionary incentives.Please click here for a list of benefits for which this position is eligible.
Key has implemented an approach to employee workspaces which prioritizes in-office presence, while providing flexible options in circumstances where roles can be performed effectively in a mobile environment.
Job Posting Expiration Date: 08/10/2026 KeyCorp is an Equal Opportunity Employer committed to sustaining an inclusive culture. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, pregnancy, disability, veteran status or any other characteristic protected by law.Qualified individuals with disabilities or disabled veterans who are unable or limited in their ability to apply on this site may request reasonable accommodations by emailing [email protected].
#LI-Remote
KeyBank Bellevue, Washington, USA Office
Bellevue, United States, 0
KeyBank Issaquah, Washington, USA Office
Issaquah, United States
KeyBank Newcastle, Washington, USA Office
Newcastle, United States
KeyBank Seattle, Washington, USA Office
Seattle, United States, 0
Similar Jobs
Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
Manage and support resilient zSeries storage environments: administration, capacity planning, 24x7 on-call incident resolution, backups and recoverability, replication and ransomware protection, vendor coordination, change implementations, and use AI tools for analysis and automation.
Top Skills:
Ai ToolsCa1DfdssDfhsmDs8K Storage ArraysHardware Encryption SoftwareIbm DasdIbm DfsmsIbm Gdps/MgmIbm RmmIbm Spectrum ControlIbm Tivoli Advanced Allocation ManagerIbm VtsIdcamsJclM365 CopilotPdsPds/ERexxSafeguarded CopySASSms Acs RoutinesTransparent Cloud TieringVsamZ/OsZseries
Fintech
Lead full‑stack mainframe software development for Hogan systems: design, develop, test, operate, and maintain production-ready code; enforce architecture, security, reliability, and compliance; conduct and apply code reviews; support DevOps/CI‑CD practices; provide technical direction and leadership to the team.
Top Skills:
AssemblerBmc UtilitiesCi/Cd PipelinesCicsDevOpsGitlabGroovyHoganHogan UmbrellaIbm UtilitiesIms DbJavaPython
Fintech
Design, develop, test, operate and maintain mainframe banking software (Hogan). Own full-stack code, perform code reviews, ensure security/compliance, improve reliability, analyze failures, and work in agile/DevOps environments while contributing to technical design and operational improvements.
Top Skills:
CicsCobol IiDb2EasytrieveExpeditorGitlabHogan Dda ApplicationHogan Process Dictionary (Pcd)ImsJclMvsVtam
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
