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Ensono
Posted 17 days agoVerified live 1d ago

Mainframe Engineer

Brief overview

Remote
UndergradOr in progress
$97k–$115k/yrStated range
3+ yrsMinimum
41 H-1B approvalsDept. of Labor
4 green cardsCertified filings
COBOLJCLCICSDB2VSAMMainframe Application DevelopmentMainframe Application Support and MaintenanceSDLC MethodologiesVersion Control SystemsServiceNowPerformance Tuning

About the company

Provides hybrid IT managed services and cloud infrastructure modernization.

Visa sponsorship history

4 years sponsoring, last filed FY2026

Data powered by U.S. Department of Labor. This does not guarantee sponsorship for this specific role.
41H-1B approved
100%approval rate
12new H-1B hires
4PERM certified
$145,000median wage / yr
H-1B Petition ApprovalsVisas USCIS actually granted: the strongest sign the company sponsors.
202312
20248
202519
20262
LCA Certified ApplicationsAn early filing step, not a visa approval: it signals intent, not confirmed sponsorship.
20232
20247
202515
20262
Green Card (PERM) FilingsCertified green card filings: a long-term commitment to international hires.
20254
Top sponsored roles
Mainframe System ProgrammerUS Director Information Tech, Info SysDevOps Engineer-Public CloudMainframe Technical AdvisorSenior Systems Engineer
Sponsored employees from
Australia

Job description

Summary

Ensono is a managed service provider and technology adviser that helps clients manage continuous change and embrace innovation. The Mainframe Engineer will support, maintain, enhance, and troubleshoot critical mainframe applications while providing technical guidance to junior team members.

Responsibilities

  • Design, develop, and maintain Mainframe applications using COBOL, CICS, JCL, DB2, and VSAM
  • Experience in enterprise-level ticketing systems (ServiceNow, Service Manager, etc.) and their operational workflows
  • Worked on waterfall and agile methodology projects; capable of handling - Incidents, Service Requests and Change Requests simultaneously
  • Provide technical troubleshooting and resolution for complex application and integration
  • Conduct performance tuning and optimization of Mainframe applications and database queries
  • Develop technical documentation (Knowledge Base articles, SOPs) for business and support teams
  • Understand both functional and technical requirements and provide implementation/change options aligned with business needs

Skills

  • This role requires a skilled and experienced Mainframe Developer with 3-5 Years of specialized technical experience to support, maintain, and enhance a suite of mainframe applications
  • Education; Bachelor's or Master's degree in Computer Science, Information Technology, or a related field
  • Experience; Extensive experience in mainframe application development, support and maintenance
  • Technical Skills: Proficiency in mainframe technologies such as COBOL, JCL, CICS, DB2, and VSAM. Strong understanding of software development life cycle (SDLC) methodologies. Experience with version control systems and software development tools
  • Soft Skills: Excellent problem-solving and analytical skills. Strong communication and interpersonal skills
  • US Citizen or US Green Card Holder

Qualifications

Must Haves

  • This role requires a skilled and experienced Mainframe Developer with 3-5 Years of specialized technical experience to support, maintain, and enhance a suite of mainframe applications
  • Education; Bachelor's or Master's degree in Computer Science, Information Technology, or a related field
  • Experience; Extensive experience in mainframe application development, support and maintenance
  • Technical Skills: Proficiency in mainframe technologies such as COBOL, JCL, CICS, DB2, and VSAM. Strong understanding of software development life cycle (SDLC) methodologies. Experience with version control systems and software development tools
  • Soft Skills: Excellent problem-solving and analytical skills. Strong communication and interpersonal skills
  • US Citizen or US Green Card Holder

Benefits

  • The option to work from home or in Ensono offices when not required to be on a client site
  • Unlimited Paid Days Off
  • Three health plan options
  • 401k with company match
  • Eligibility for dental, vision, short and long-term disability, life and AD&D coverage, and flexible spending accounts
  • Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement
  • Paid childbearing and paternal leave
  • Education Reimbursement, Student Loan Assistance or 529 College Funding
  • Sabbatical leave
  • Wellness program
  • Flexible work schedule
  • An annual bonus plan based on company and individual performance, depending on eligibility
  • An equity grant under our Associate Equity Appreciation Program, depending on eligibility

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