Mainframes Developer Jobs in Ashburn, VA (NOW HIRING)

Job#: 3043039
Job Description:
Infrastructure Engineer Specialist
Location: McLean, Virginia (Hybrid)
Role Overview
We are seeking a senior Mainframe Systems Programmer/Infrastructure Engineer with extensive hands-on experience supporting z/OS environments. The primary focus of this role is to act as the client-side technical subject matter expert responsible for governance, vendor oversight, infrastructure changes, and platform stability. The ideal candidate will possess a strong mix of deep technical expertise and stakeholder management skills to coordinate across business teams, application teams, and vendors.
Key Responsibilities

• Serve as the technical lead for the Mainframe platform (z/OS, Dell Storage, IMS, DB2, RACF, CA JobTrac), governing operations, changes, and sustainability upgrade projects.
• Act as the interface between internal teams and the Managed Service Supplier for issue resolution and change coordination.
• Provide governance and oversight on contractual SLAs and key metrics.
• Perform technical review, validation, and coordination for vendor-managed and business-requested Mainframe infrastructure changes.
• Execute risk management controls, support Baseline Security Compliance activities, and assist with audits, including technical reviews involving RACF security.
• Function as the client-side technical SME for Mainframe infrastructure subsystems to ensure the Managed Service Provider delivers on contracted services.
• Identify technical risks to planned system upgrades and work to implement mitigations.
• Perform root cause analysis with corrective and preventive measures.
• Support a multi-year modernization strategy to migrate applications from Mainframe to cloud environments.
• Provide occasional off-hours support for major incidents, upgrades, and releases.

Required Qualifications
Experience: 10+ years as a Systems Programmer with hands-on technical expertise supporting z/OS environments.
Technical Skills:

• Strong mainframe programming and system experience.
• Detailed knowledge of z/OS, IMS, and DB2 subsystems.
• Experience with RACF security services.
• Knowledge of z/OS architectures and z/OS internals.
• Familiarity with IBM Mainframe Systems: JCL, CICS, SQL, VSAM, XML, TSO/ISPF, zConnect.

Preferred Qualifications

• Experience in the financial services or mortgage industry.
• Knowledge of mainframe security related to supporting audits and findings.
• Knowledge of the zSecure tool and its language, Carla, for customization.
• Experience with Cobol Mainframe.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
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Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
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