Mainframe Core Systems Programmer

NeevSys Inc; Oakton (VA); Remote; USD 110,000 - 140,000; Full time

Job summary

A leading company in IT Services is seeking a skilled Mainframe Core Systems Programmer to support IBM z15 and z16 mainframes. This remote position offers a competitive salary based on experience, with responsibilities in system programming and security compliance. Candidates should possess strong technical skills and have a background in federal government environments, ensuring operational efficiency and regulatory adherence.

Benefits

Medical insurance

Vision insurance

401(k)

Paid paternity leave

Paid maternity leave

Disability insurance

Qualifications

• 10+ years of experience with z/OS operating systems.
• 5+ years in a stabilized IBM mainframe environment.
• Strong skills in performance monitoring and security compliance.

Responsibilities

• Perform MVS systems programming activities including installation and customization.
• Ensure system security compliance with federal STIG requirements.
• Support and maintain System Automation tools and processes.

Skills

Performance monitoring

Problem determination

Security reporting

Client engagement

Analytical skills

Education

IBM z/OS Certification

Tools

ServiceNow (SNOW)

SMP/E

Job description

1 day ago Be among the first 25 applicants

This range is provided by NeevSys Inc. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$110,000.00/yr - $140,000.00/yr

Additional compensation types

Annual Bonus

Direct message the job poster from NeevSys Inc

Job Title: Mainframe Core Systems Programmer

Location: Remote

Clearance/Eligibility: [Public Trust, Secret Clearance/Top Security]

Job Description

We are seeking a highly skilled Mainframe Core Systems Programmer to provide expert-level support for IBM z15 and z16 mainframes running z/OS 2.5 and higher. The successful candidate will play a critical role in ensuring the stability, security, and performance of our mainframe environment, with a strong focus on federal government Security Technical Implementation Guidelines (STIG) compliance.

Key Responsibilities

• Perform MVS systems programming activities including installation, customization, configuration, and maintenance of z/OS operating systems.
• Ensure system security compliance with federal STIG requirements and support security administration (RACF, ACF2, Top Secret).
• Manage system performance, conduct problem determination, and drive resolution of issues.
• Support and maintain System Automation tools and processes.
• Provide support for mainframe storage and backup strategies.
• Create and manage change requests in ServiceNow (SNOW); peer review and implement changes.
• Generate and analyze MVS system-level parameters and security reports; support audits and access certifications.
• Assist with ACF2/RACF/Top Secret user ID definitions and security management for all regions/LPARs.
• Support regulatory and operational controls for user provisioning, de-provisioning, and access re-certification.
• Work hands-on working experience on Federal Mainframe environments.

Required Skills

• 10+ years of experience installing, customizing, and maintaining z/OS operating systems.
• 5+ years supporting a stabilized IBM mainframe system environment.
• Proficiency with SMP/E and mainframe software maintenance tools.
• Strong skills in performance monitoring, problem determination, and resolution.
• Experience defining and validating data encryption and security requirements.
• Ability to monitor and ensure security reporting and audit compliance.
• In-depth experience with mainframe IPL processes and managing multiple z/OS LPARs.
• Familiarity with mainframe storage and backup solutions.
• Proficient with ServiceNow (SNOW) for change and task management.
• Experience supporting federal mainframe environments
• Strong consulting and interpersonal skills: flexibility, team building, and client engagement.
• Analytical, design, and implementation skills in complex mainframe environments.

Preferred Qualifications

• Experience with z/OSMF, z/OS Container Extensions, or related modern z/OS tools.
• Experience in federal audits and compliance reporting.
• Certifications in IBM z/OS, Security (RACF/ACF2), or related mainframe technologies.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

Referrals increase your chances of interviewing at NeevSys Inc by 2x

Inferred from the description for this job

Medical insurance

Vision insurance

401(k)

Paid paternity leave

Paid maternity leave

Disability insurance

Get notified when a new job is posted.

Sign in to set job alerts for “Mainframe System Programmer” roles.

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.