What hiring teams look for
Chemical Engineers win ATS screens by front-loading the highest-frequency job-description keywords (Process Optimization, Aspen HYSYS, Aspen Plus, HAZOP Analysis, P&ID (Piping and Instrumentation Drawing)) in the summary and skills blocks, then proving each in quantified bullets that show scope, method, and business outcome.
Top ATS keywords for a chemical engineer resume
Frequencies reflect how often each keyword appears in current chemical engineer job descriptions. Higher-frequency terms belong in your summary and Skills block.
| Keyword | JD frequency | Where to place it |
|---|---|---|
| Process Optimization | Very high — confirmed on 3+ sources | Summary + Experience bullets |
| Aspen HYSYS | Very high — named explicitly on japply.io, resumeworded, scale.jobs | Summary + Skills block |
| Aspen Plus | Very high — interchangeable with HYSYS by employer; list both | Skills block + Experience |
| HAZOP Analysis | High — process safety standard | Summary + Experience |
| P&ID (Piping and Instrumentation Drawing) | High — fundamental deliverable | Skills block + Experience |
| Process Safety Management (PSM) | High — OSHA PSM-regulated facilities require it | Summary + Experience |
| MATLAB | High — confirmed on resumeworded, japply.io | Skills block |
| Six Sigma (Green Belt / Black Belt) | High — manufacturing and pharma roles | Skills block + Certifications |
| GMP / cGMP | High for pharma/biotech verticals | Skills block (conditional) |
| OSHA Compliance | High — safety record is primary hiring signal | Experience bullets |
| AutoCAD | High — confirmed multiple sources | Skills block |
| Heat and Mass Transfer | High — core engineering discipline | Summary + Experience |
| Process Simulation | High — umbrella term covering HYSYS/Aspen | Summary + Skills |
| Root Cause Analysis (RCA) | Medium-high | Experience bullets |
| ISO 9001 / ISO Standards | Medium-high | Skills block + Experience |
| Design of Experiments (DOE) | Medium | Skills block |
| Reaction Engineering | Medium | Experience bullets |
| Scale-up | Medium | Experience bullets |
| Continuous Improvement | Medium | Experience bullets |
| Thermodynamics | Medium — discipline knowledge | Summary |
| ChemCAD | Medium — legacy tool in some sectors | Skills block |
| Statistical Process Control (SPC) | Medium | Skills block |
| EPA Regulations | Medium | Experience bullets (environmental context) |
| Lean Manufacturing | Medium | Skills block + Experience |
| Process Control | Medium | Skills block + Experience |
Section order that scores
The order matters. ATS parsers weight content closer to the top, so leading with the right sections lifts your keyword score before the parser ever reaches your work history.
- 1
Contact block
name with PE/EIT designation inline (e.g., "Jane Smith, PE"), city/state, phone, email, LinkedIn URL. No header/footer — ATS cannot parse those.
- 2
Professional Summary
3-4 sentences: specialization + years + industry verticals + two named tools + one quantified achievement.
- 3
Technical Skills
categorized plain text (no tables, no boxes). Categories: Process Design & Simulation | Compliance & Safety | Laboratory & Analytical | Project Tools.
- 4
Professional Experience
reverse chronological, 4-6 bullets per role.
- 5
Education
degree, institution, graduation year. No GPA unless <3 years out and ≥3.5.
- 6
Certifications & Licensure
dedicated section with cert number, issuing state, date. PE license + EIT + Six Sigma + PMP as applicable.
- 7
Publications / Patents
optional, for R&D and academic-adjacent roles only.
- 8
Contact block (with EIT designation)
Contact block (with EIT designation)
- 9
Education
move above experience when graduation was <2 years ago
- 10
Technical Skills
Technical Skills
- 11
Professional Experience (internships, co
Professional Experience (internships, co-ops, research)
- 12
Certifications & Licensure
Certifications & Licensure
- 13
Projects (capstone, lab research)
Projects (capstone, lab research)
Bullet examples that work
Each follows the STAR-with-stack pattern: action verb, tool or method, business outcome, and a hard number.
Optimized heat exchanger network using Aspen HYSYS, reducing energy consumption by 15% and saving $2.4M annually
Led HAZOP/LOPA analysis for a $45M grassroots facility, achieving PSM compliance with zero process safety incidents in first 18 months of operation
Designed distillation column scale-up from pilot (50 L) to production (2,000 L), achieving 98.6% product purity at target throughput
Reduced batch cycle time by 22% through DOE-driven optimization of reaction temperature and catalyst loading, increasing annual output by 8,000 MT
Implemented SPC program across 6 production lines, reducing out-of-spec batches by 40% and cutting rework costs by $780K/year
ATS killers to avoid
Each of these is documented to break parsing across major ATS platforms. Avoid them and your score climbs even without rewriting a single bullet.
- endorsed by enhancv for mid-level but kills ATS parsing in enterprise systems used by top chemical employers
- common in competitor templates; Workday scrambles table cell order into garbled text
- must be in the main text body; header fields are ignored by most ATS parsers
- zero ATS value, wastes whitespace, and some parsers flag embedded images
- engineers with long publication lists try to compress; anything below 10pt is unreliable across ATS
- wastes a line; never include
- for 3+ year experience — ATS keywords density is lowest in objective statements; use a keyword-dense summary instead
- seen on kickresume templates; purely visual, convey nothing to ATS
- passive framing reduces keyword density and narrative alignment score in ats_scorer.py Competitor mistakes to explicitly not copy:
- enhancv two-column recommendation for mid-level (ATS-breaking)
Frequently asked questions
What ATS score should a chemical engineer resume target?
Aim for 96 or higher. The structure on this page combines a single-column layout, the section order recommended for chemical engineer roles, and 15-25 validated keywords placed in the summary and top bullets so the resume earns location-weighted points where ATS parsers look first.
How long should a chemical engineer resume be?
One page for 0-5 years of experience and two pages for 6+ years. Never truncate quantified achievements to fit a single page — let the document flow cleanly to page 2 rather than dropping metrics that prove impact.
What are the most important keywords on a chemical engineer resume?
The highest-frequency keywords for chemical engineer job descriptions are Process Optimization, Aspen HYSYS, Aspen Plus, HAZOP Analysis, P&ID (Piping and Instrumentation Drawing). Place the top three in your summary (1.5x ATS weight) and repeat each in the top bullet of the role where you used it.
Where should skills go on a chemical engineer resume?
categorized plain text (no tables, no boxes). Categories: Process Design & Simulation | Compliance & Safety | Laboratory & Analytical | Project Tools. Group skills with inline category labels rather than rendering them in tables or visual grids — ATS parsers drop or scramble table cell contents.
What's the biggest formatting mistake on chemical engineer resumes?
endorsed by enhancv for mid-level but kills ATS parsing in enterprise systems used by top chemical employers Single-column layouts with plain text section headers parse reliably across every major ATS, while creative templates with sidebars, icons, or skill bars routinely lose data during parsing.
Should I include a photo or objective on a chemical engineer resume?
No photo on US resumes — most ATS platforms either reject embedded images or strip them, and some companies discard photo resumes for compliance reasons. Replace any objective statement with a 3-4 sentence professional summary that includes your top keywords.
Free tools for chemical engineers
Use the same scoring engine and AI tailoring that built this example on your own resume — both tools run free without an account.
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Free ATS scan against any chemical engineer job description. See your match score, missing keywords, and ghost skills in 30 seconds.
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