Mainframe developer III jobs in United States
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Apex Systems · 4 hours ago

Mainframe developer III

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. They are seeking a Mainframe Developer responsible for the design, development, testing, and support of mainframe technologies while ensuring operational availability and managing the lifecycle of mainframe products.

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H1B Sponsor Likelynote

Responsibilities

Serve as a mainframe Subject Matter Expert (SME)
Participate in infrastructure planning and provide insight into future technology direction
Maintain a comprehensive understanding of current and emerging infrastructure
Establish, maintain, document, and publish mainframe language and development tool standards, technology roadmaps, and related guidance
Coordinate cross-departmental initiatives involving mainframe application migrations
Demonstrate broad technical knowledge across multiple technologies or deep expertise in a specific technology and its impact on related systems
Stay informed on industry developments and rapidly learn and apply new concepts and technologies
Build productive relationships with internal teams, external partners, vendors, and industry peers
Ensure thorough documentation of complex technical systems to support effective operational handoff
Lead implementation efforts, including analyzing vendor proposals, evaluating build-versus-buy decisions, developing project plans, establishing critical paths, coordinating vendor activities, conducting testing, and tracking project progress

Qualification

Mainframe technologiesApplication designMainframe operating systemsTechnical supportSoftware change-managementTechnical degreeCross-departmental coordinationDocumentation skills

Required

Technical degree or equivalent related work experience
Knowledge and experience across multiple disciplines within the mainframe domain, with strong application design and development skills
Expert-level understanding of mainframe operating systems and hardware

Benefits

Medical
Dental
Vision
Life
Disability
Other insurance plans
ESPP (employee stock purchase program)
401K program
HSA (Health Savings Account on the HDHP plan)
SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
Corporate discount savings program
Other discounts
On-demand training program
Access to certification prep
Library of technical and leadership courses/books/seminars
Certification discounts
Other perks to associations that include CompTIA and IIBA
Dedicated customer service team for our Consultants
Certified Career Coach

Company

Apex Systems

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Apex Systems, a division of On Assignment, provides organizations with IT staffing solutions to address gaps in their current workforce.

H1B Sponsorship

Apex Systems has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (28)
2024 (21)
2023 (35)
2022 (26)
2021 (29)
2020 (38)

Funding

Current Stage
Late Stage

Leadership Team

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Roger Wahman
Chief Technology Officer - SVP
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Andrea Schiola
Global Head of Technology Partnerships, SVP, Principal
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Company data provided by crunchbase