Principal Engineer, Firmware & Product Test at Micron Technology, Inc.
Longmont, CO
$145,000–$247,000from the description
Jul 2, 2026
Longmont, CO
Jul 21, 2026
What this job asks for AI summary
A principal-level engineering role focused on firmware validation for enterprise SSDs, specifically covering NVMe front-end features. The position involves owning verification strategy, building and maintaining test automation frameworks in Python, leading root-cause analysis on failures, and integrating AI/ML techniques into test workflows. It also carries responsibility for mentoring engineers and collaborating with firmware architects on testability decisions.
Senior level · 10+ years · National · Bachelor's required · Full-time
Advertised as Principal, but the requirements read as Senior.
“or” means any one of them counts — you don't need all of them.
We read this from the posting text with AI. Skim the description below before ruling yourself out.
How this req sits in the market our data
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $106,594 (middle half $82,076–$136,109). This posting is about at that midpoint.
Estimated from BLS employment for this occupation and area, per-skill prevalence across our listing corpus, and published wage benchmarks — as of Jul 28, 2026. It is a model, not a headcount.
Why we read it this way (8)
The role title is 'Principal Test Development Engineer' but the actual scope — owning a product-line validation workstream, mentoring junior/mid engineers, and leading cross-functional initiatives — aligns with Senior rather than a true org-wide Principal. Long experience requirements (10+ years with a Bachelor's) are common for Senior-level roles at large semiconductor firms; no evidence of org-wide technical authority across multiple orgs is present.
SOC classification is Medium confidence: the role is primarily firmware test/QA (15-1253), but the emphasis on architecting scalable automation frameworks and writing production-quality code in Python (and optionally Rust/C) gives it a meaningful software-development flavor (15-1252).
The posting lists 'all US locations' for the salary range but names no specific city or metro; CBSA fields are left blank accordingly.
Degree requirement: the JD lists Bachelor's/Master's/PhD with varying years — Bachelor's is the minimum formal degree stated, so it is captured as the hard requirement. The JD does not offer an 'equivalent experience' substitution.
'AI-enabled development tools' is listed under Basic Qualifications with explicit proficiency language, so it is treated as a hard gate despite being an unusual requirement.
Rust and C appear together under Preferred Qualifications as interchangeable options for firmware code comprehension; Rust is listed as the primary with C as the alternative.
'Failure analysis' is retained as a skill because the JD gates on it explicitly ('Demonstrated expertise in failure analysis') and it represents a concrete, named engineering discipline in the firmware/hardware validation domain — not a generic soft skill.
Ignored 2 non-technology phrase(s) as skills (responsibilities/concepts, not named tools): failure analysis, AI-enabled development tools.
Read the full posting
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