Ensono

Senior Software Engineer - Mainframe

Ensono · Remote - United States

Posted 14 days ago

or apply directly on Ensono's site. We never take the application ourselves.

Is this posting real?

This role has been open
14 days
Ensono's roles stay open a median of 36 days
Reposted
No
Salary listed
No
32% of Ensono's roles list one
Ghost-job risk at Ensono
high
26 stale, 1 reposted of 69 open
Hiring momentum
123 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Ensono's own greenhouse board since 2026-08-03. Full hiring picture for Ensono.

About this role

The Senior Software Engineer - Mainframe role involves supporting, maintaining, and enhancing mainframe applications using technologies like COBOL, CICS, JCL, DB2, and VSAM. The candidate will act as a technical lead, guiding junior team members while handling incidents, service requests, and change requests in both waterfall and agile methodologies. Responsibilities also include troubleshooting complex applications, optimizing performance, and developing technical documentation.

Our read on this posting3.2out of 5
benefits
5/5
freshness
4/5
career value
3/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Ensono as an employer.

What you need

  • 8+ years of specialized technical experience in mainframe application development, support, and maintenance
  • Proficiency in mainframe technologies such as COBOL, JCL, CICS, DB2, and VSAM
  • Experience with enterprise-level ticketing systems and operational workflows
  • Strong understanding of software development life cycle (SDLC) methodologies
  • Excellent problem-solving and analytical skills
  • Strong communication and interpersonal skills

What you get

  • 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

Worth weighing

  • Role is focused on legacy mainframe technologies which may limit exposure to modern tech stacks
  • Remote work is encouraged but may depend on client requirements
  • Salary range provided is broad and may vary based on multiple factors

Summarised from Ensono's posting. Read the full original.

Listed by Ensono on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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