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z/OS Mainframe Systems Programmer Job Opening In Bethesda – Now Hiring System One


Job description

z/OS Mainframe Systems Programmer

Location: Remote (must be in US / EST Hours)
Pay Rate: $60-$68/h w/ conversion salary of 125k
Public Trust Required

Responsibilities:
DMI, LLC is seeking a z/OS Mainframe Systems Programmer to join us.

The z/OS Mainframe Systems Programmer will provide full lifecycle support for mainframe infrastructure, including planning, installation, configuration, maintenance, troubleshooting, and performance tuning.

This individual will be responsible for ensuring high availability, security, and disaster recovery readiness across a multi-LPAR Parallel Sysplex environment.



Duties and Responsibilities:

+ Provide day-to-day systems programming support for z/OS (2.5 and 3.1) and all related IBM and third-party products.

+ Install, configure, and upgrade IBM z/OS components, including JES2, TCP/IP, VTAM, RACF, SMP/E, and IBM z/Workload Scheduler version 10.2.

+ Support IBM enterprise servers across multiple generations of processors to include (z13 through z17), including Parallel Sysplex and Coupling Facility operations.

+ Administer and optimize storage management (DFSMS, DFHSM, VSAM, DFSORT) and hardware configuration definitions (HCD, IODF/IOCDS).

+ Provide systems support for middleware, including CICS, USS (OMVS, zFS, NFS, Apache), Debug Tools, and networking components.

+ Provide information used to administer RACF security environments and integrate with Vanguard Security Solutions for enhanced compliance and auditing.

+ Support third-party vendor software, including TCP/IP Monitor, VPS (LRS).

+ Execute and document Disaster Recovery (DR) exercises; maintain DR readiness and audit compliance.

+ Perform system performance monitoring and tuning using SMF, RMF, and other performance data analysis tools.

+ Support all technical staff and engineers and provide knowledge transfer through structured documentation in Microsoft OneNote.

+ Prepare and execute IPLs, HMC profile changes, and system parameter updates.




Qualifications:
Education and Years of Experience: Bachelor's Degree or equivalent experience.



+ Recent (within the last 6 months) hands-on experience with z/OS 2.5 and/or z/OS 3.1.

+ 10+ years of experience as a z/OS Systems Programmer in large enterprise environments.

Required Skills/Certifications:

+ Strong expertise with Sysplex, Coupling Facility, JES2, SMP/E, TCP/IP, VTAM, RACF, CICS, USS, and IBM Workload Scheduler.

+ Proven ability in performance tuning, SMF, RMF data analysis, and troubleshooting complex system issues.

+ Experience working with IBM mainframe hardware from z13 to z17.

+ Proficiency in COBOL (v6.2, v5.2, v4.2), Assembler, and REXX for utilities and automation.

+ Strong PC/server background with ability to use modern tools for documentation, collaboration, and process management.

Desired Skills/Certifications:

+ Experience with IBM z Workload Scheduler version 10, Vanguard Security Solutions.

+ Familiarity with hybrid environments integrating the mainframe with distributed platforms.

+ Knowledge of modern DevOps practices in mainframe operations.

Clearance Requirements: Successful completion of a Public Trust background investigation and/or a Public Trust clearance.



Min Citizenship Status Required: Must be a U.S. Citizen
Location: Remote, US

#M2
#LI-AP1
#DI-AP1



System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America.

We help clients get work done more efficiently and economically, without compromising quality.

System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.


Required Skill Profession

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Unlock Your z OS Potential: Insight & Career Growth Guide


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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at System One adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying United States laws and regulations

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The average salary range for a varies, but the pay scale is rated "Standard" in Bethesda. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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System One interview tips for z/OS Mainframe Systems Programmer

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Dress Professionally: Choose attire appropriate for the company culture.

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By following these tips, you can increase your chances of making a positive impression and landing the job!

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