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
- Yes 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 Expert Software Engineer will architect, develop, and maintain high-performance applications primarily using C++. Responsibilities include leading code reviews, managing build systems with CMake, designing CI/CD pipelines, and mentoring junior engineers. The role requires collaboration in a Linux-based environment and involves diagnosing complex issues with tools like GDB and Valgrind.
- benefits
- 5/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 5/5
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
- 10+ years of experience in Mainframe Skills COBOL, CICS, JCL, DB2 and VSM
- Expert understanding of dynamic memory allocation, RAII, smart pointers (unique_ptr, shared_ptr, weak_ptr)
- Experience diagnosing and resolving memory leaks, dangling pointers, and buffer overflows
- Familiarity with custom allocators and memory pool strategies
- Strong command of the C++ threading model (std::thread, std::mutex, std::atomic, std::condition_variable)
- Experience with lock-free and wait-free programming patterns
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
- Remote work flexibility is available but may depend on client requirements.
- The pay scale is broad, ranging from $130,000 to $188,000, which may vary based on multiple factors.
- The role requires significant experience with legacy Mainframe technologies, which may not appeal to all candidates.
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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