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Mainframe Engineer

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Develop mainframe applications using COBOL and DB2

Design, develop, and maintain Mainframe applications, provide technical troubleshooting and resolution, and conduct performance tuning and optimization. The ideal candidate will have deep expertise in mainframe technologies and DevOps practices. The role requires supporting, maintaining, and enhancing a suite of mainframe applications.

Why This Role?

Guide junior team members as a technical lead

Key Responsibilities

  • Design and develop Mainframe applications using COBOL, CICS, JCL, DB2, and VSAM
  • Provide technical troubleshooting and resolution for complex application and integration issues
  • Conduct performance tuning and optimization of Mainframe applications and database queries

Requirements

  • 3-5 years of specialized technical experience in mainframe application development, support, and maintenance
  • Deep expertise in mainframe technologies, middleware, databases, and DevOps practices
  • Strong understanding of enterprise application support

Required Skills

cobolcicsjcldb2vsamdevops

Indonesia Context

Working Hours Overlap:
Flexible — work your own hours
See remote (USD) vs local pay →
View Original Description from The MuseShow more

Original description from The Muse

At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and unleashing our clients to Do Great Things! We enable our clients to achieve key business outcomes that reshape how our world runs. As an expert technology adviser and managed service provider with cross-platform certifications, Ensono empowers our clients to keep up with continuous change and embrace innovation. We can Do Great Things because we have great Associates. The Ensono Core Values unify our diverse talents and are woven into how we do business. These five traits are the key to achieving our purpose. Honesty - Reliability - Curiosity - Collaboration - Passion About the role and what you'll be doing: 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. The ideal candidate will have deep expertise in various skills in mainframe technologies, middleware, databases, and DevOps practices, with a strong understanding of enterprise application support and acts as a technical lead, responsible for maintaining, enhancing, and supporting critical mainframe applications while guiding junior team members 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. We want all new Associates to succeed in their roles at Ensono. That's why we've outlined the job requirements below. To be considered for this role, it's important that you meet all Required Qualifications. If you do not meet all of the Preferred Qualifications, we still encourage you to apply. Required Qualifications 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 Why Ensono? Ensono is a place to make better happen - for our clients and for your career. You can do great things through innovation or collaboration, by learning or volunteering, or to promote diversity and inclusion. You can do great things for your own health or for a healthier planet. Whatever it means to you to do great things we want Ensono to be the place you can do it. We are a client-facing business, but we do encourage clients to allow us to work remotely most of the time so if you are not required to be on a client site, you can choose to work from home or in our Ensono offices. Some of our benefits include: 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 As of the date of this posting, a good faith estimate o

Salary Context

Similar Engineering roles on LokerDollar pay around $170k/yr (range $4.7k–1000k/yr, n=811 active listings).

Hiring at Ensono

Ensono has 3 other active roles on LokerDollar and has been hiring here since May 7, 2026 — across Engineering, Data & Analytics.

View all Ensono openings →

Market context

  • ESTIMATEEstimated pay is 4% below the role median of $170,000/year (n=811 pay-disclosing listings).
  • VERIFIEDEnsono: 6 postings in the last 3 months, 10 all-time on LokerDollar.
  • VERIFIEDCompany first seen May 7, 2026.
  • VERIFIEDThis listing first seen Sep 22, 2026.
  • VERIFIEDLast verified live Sep 22, 2026.

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Company
Ensono
Source
Estimated salary
$140k–185k/yr
Based on similar roles — not stated by the employer
Job Type
full time
Location
Remote · Some regions only
Category
Seniority
mid
PostedFreshNew & verified
Sep 22, 2026

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Frequently asked questions

Is Mainframe Engineer at Ensono a remote job?
Yes, Mainframe Engineer at Ensono is remote, but the employer hires only in certain regions. Check the listing for location requirements before applying.
What type of employment is Mainframe Engineer at Ensono?
This is a full time position.
How do I apply?
Click the "Apply" button on this page to go to the official application at Ensono.

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This employer appears to hire only in certain regions.