Physicist
Physicists study how matter, energy and forces behave, testing theories against experiments and data at scales from subatomic particles to galaxies.
- Median salary
- $96,100
3.7%vs last year, before tax
- People employed
- 1,500
0.0%vs last year
- Projected growth
- +24.7%
to 2035
- AI exposure*
- Moderate
- automation risk
- Average hours
- 41/wk
+1h vs all jobs
- Shortage status
- Not in shortage
national
Most physicists work in universities, government research agencies such as CSIRO, and a smaller number of specialist areas including defence and medical physics. The work splits between theory, where the job is mathematical modelling, and experiment, where it is building apparatus and measuring something no one has measured before, and many roles mix the two. Engineers apply established principles to design and build things, while physicists are usually trying to establish what the principle is in the first place.
How much do physicists earn?
The median full-time salary for a physicist is $96,100 per annum, before tax, up $19,800 since 2018.
Pay depends heavily on the type of post. Continuing academic positions and senior research roles in government agencies or industry sit well above the early postdoctoral contracts, which are usually fixed-term and tied to a grant. Medical physics and defence roles follow separate pay structures, and clinical accreditation in medical physics adds a qualification that changes what employers offer.
What does a physicist do day to day?
The list below is what fills most weeks; the exact mix shifts with seniority and whatever stage the current work is at.
- Building or modifying experimental apparatus and getting it to produce a measurement worth trusting
- Writing simulation code, then checking whether the output matches the prediction
- Talking through a stuck problem with collaborators and students wrestling with the same question
- Writing up results, answering reviewers' objections and presenting at conferences
- Preparing grant and fellowship applications that keep the research funded
What skills do physicists need?
Employers look for data analysis, statistical modelling, machine learning, backed by MATLAB fluency and strong problem solving.
Specialist skills
- Data analysis
- Statistical modelling
- Machine learning
- Programming and software development
- Project management
Software and tools
- MATLAB
- Python
- Laboratory oscilloscopes and spectrometers
- CAD software
- LaTeX
General skills
- Problem solving
- Written communication
Is the job growing?
About 1,500 people work as physicists in Australia, and employment is projected to grow 24.7% over the decade to 2035. That's very strong growth. Few roles in Australia are expanding this fast, and it points to solid demand for years to come.
How do you become a physicist?
Here's the path most physicists take, step by step.
- 1Complete a bachelor degree in physics or advanced science
Three years full time, covering mechanics, quantum physics, electromagnetism and thermodynamics alongside the mathematics that underpins them. It is also where you find out whether you enjoy research enough to keep going.
- 2Add an honours year
A fourth year built around a supervised research project and thesis. It is the standard entry point to a PhD and the minimum many research assistant and laboratory roles ask for.
- 3Complete a PhD for research work
Three to four years on an original research project, usually with a scholarship. Most research and academic positions expect it, and it is where the publication record that later applications depend on is built.
- 4Take a postdoctoral position
Two or three years on a grant-funded project, often at another institution or overseas. These contracts are the usual next step and how most physicists build the track record for a continuing academic or senior research role.
- 5Or move into applied work after honours
Data science, quantitative finance, defence and medical imaging hire on the maths, statistics and programming rather than on a doctorate. Clinical medical physics is its own path, accredited through the Australasian College of Physical Scientists and Engineers in Medicine.
Ready to apply as a physicist?
Whether you're working toward becoming a physicist or already are one and want a hand with the next step (sharpening your resume for ATS screening, tightening your cover letter, or knowing what you'll actually be asked at interview), here are examples grounded in this specific role, not generic templates.
What jobs can a physicist move to?
Moving into University Lecturer typically comes with the biggest pay rise, worth $55,900 a year more on average.
| Move to | Typical pay change | Overlap | Retraining |
|---|---|---|---|
| University Lecturer Physicists bring deep research and quantitative expertise to university lecturing, though academic appointment and further qualification are required.Known move | +$55,900 | 3% | requalify |
| Research and Development Manager Physicists bring research rigour and project expertise to lead industrial research teams, though management and commercial qualifications are usually needed.Known move | +$54,000 | 10% | requalify |
| Chemist Physicists bring experimental design and analytical modelling skills to chemistry roles, with reskilling needed for chemical theory and laboratory practice.Known move | +$18,000 | 33% | reskill |
| Mathematician Physicists bring strong quantitative reasoning and mathematical modelling skills to mathematics, with minimal retraining for research or applied roles. | +$15,700 | 78% | minimal |
| Statistician Physicists bring advanced mathematical modelling and quantitative analysis to statistics, requiring little further training for many applied roles. | +$10,500 | 78% | minimal |
Moves are chosen from Jobs and Skills Australia's Data on Occupation Mobility, which follows income tax records between 2011-12 and 2020-21, together with entry requirements and skill overlap. A known move is one people were seen making in that data. Pay change compares median full-time pay for the two roles.
Who works as a physicist?
The typical physicist is 41 years old; 74% are men, 87% work full-time, and full-timers average 41 hours a week.
- 41
- Median age
- 26%
- Female share
- 87%
- Full-time
- +1h
- vs all-jobs avg
What's it like being a physicist?
The rhythm of the work is long: months on a single experiment or derivation, with stretches where nothing works before a result falls into place. Most physicists spend more of the week on code, writing and meetings than on standing at a bench, and the social side is real, because progress usually comes from arguing a problem through with people who are stuck on the same thing. It suits someone who can tolerate being wrong for a while and wants to work on questions where the answer isn't known yet.
What people like
- Questions with no known answer. The problems are genuinely open, and a result that survives checking adds something that wasn't there before.
- The work is more social than it looks. Progress usually comes from talking through a calculation or a confusing measurement with other people who are wrestling with the same question.
- The skills travel between fields. The same toolkit of mathematics, modelling and programming carries across optics, condensed matter, astrophysics and medical imaging.
- Training that opens other doors. Programming, statistics and modelling are wanted in data science, defence, medical imaging and finance, which matters if academic research doesn't work out.
What people find hard
- Slow, uncertain results. Months can pass with an experiment or a derivation going nowhere, and few weeks end with something finished.
- The funding cycle. Grant applications and fellowship rounds take a large share of the year, and the direction of a project can depend on the outcome.
- Fixed-term contracts. Most research positions are funded for two or three years at a time, so moving between institutions, cities or countries is a normal part of the early career.
- Less time on physics than you expect. Teaching, administration, grant writing and supervision take a steady share of the week, leaving the research itself in the remaining hours.
Based on our synthesis of professional-body surveys and public accounts of the role, not first-person verified reviews.
Which industries employ physicists?
Health Care and Social Assistance employs the largest share of physicists, followed by Education and Training.
Top employing industries
- 1Health Care and Social Assistance
- 2Education and Training
- 3Public Administration and Safety
Ranked by employment share; the source doesn't publish an exact percentage per industry.
| Postgraduate | 82.3% | |
|---|---|---|
| Bachelor degree | 13.1% | |
| Year 12 or below | 1.8% | |
| Diploma / Advanced Diploma | 0.8% | |
| Certificate III/IV | 0.7% |
Will AI replace physicists?
AI has a moderate reach into physics: the parts of the job that run on code and data are the most exposed, and the experimental and human parts the least. Machine learning now does more of the pattern finding in large datasets, and coding assistants draft and debug scripts, which shortens some tasks without changing what the results mean. Deciding which question is worth asking, building apparatus that produces a trustworthy measurement and judging whether a result is real still rest with the physicist.
Share of typical working time by exposure level
- Designing, building and running experimentsAligning an optical bench or chasing a vibration that is corrupting a measurement is hands-on work with no useful automated equivalent yet.35%low
- Analysing experimental and simulation dataMachine learning finds patterns in a large dataset far faster than a person can, which speeds up the routine part but not the judgement about what the pattern means.25%high
- Writing simulation and analysis codeCoding assistants now draft and debug a good share of this work, which leaves the harder job of checking that the physics inside the code is right.20%high
- Supervising students and working with collaboratorsWorking out why a student's spectrum looks wrong, or agreeing on the next measurement with a collaborator, depends on knowing the apparatus and the history of the problem.20%low
Moves least exposed to AI
These career moves from physicist work are rated low for AI exposure:
- Research and Development Manager
Some skill overlap (10%), requalify to get there, and a low automation-risk profile.
Common questions about becoming a physicist
Straight answers to the questions people ask most.
How much do physicists earn?
Physicists earn a median of $96,100 per year before tax. Fixed-term research contracts, continuing academic posts and government or industry roles sit at different points on that range, and a PhD or clinical accreditation usually moves it up.
How do you become a physicist?
The usual route is a bachelor degree in physics, then an honours year, then a PhD, because most research and academic roles expect a doctorate. Applied work in data science, defence or medical imaging sometimes takes people after a bachelor or honours degree, where the maths and programming are the main qualification.
Do you need a PhD to work as a physicist?
For research and academic work, yes in practice. A postgraduate qualification is the most common one held by people working as physicists, at 82% of the workforce, which reflects how those roles are filled. Applied roles in industry are more flexible if you can show strong programming and statistical skills.
Are physicists in demand in Australia?
Physicists are currently not in shortage, and employment is projected to grow 24.7% over the decade to 2035. About 1,500 people work in the occupation nationally, so openings appear through specific universities, CSIRO, defence and hospital physics departments rather than in volume. Watching where research funding is going and applying to particular groups is a better guide than the overall figure.
Will AI replace physicists?
AI is changing parts of the work rather than replacing the role. Machine learning handles more of the pattern finding in large datasets and coding assistants draft and debug simulation scripts, while hands-on experiment and the judgement about whether a result means anything stay with the physicist. Programming and statistics matter more in training than they did a decade ago.
What else can a physicist do?
Statistics and mathematics are the closest moves, with modelling and analysis skills carrying over almost intact, and statisticians earning $10,500 more and mathematicians $15,700 more than physicists. Chemistry roles need reskilling in laboratory practice and chemical theory, while research and development management adds commercial and team leadership on top of the research background. University lecturing is a common move as well, though it depends on academic appointments and usually further qualification.
Related roles
- University Lecturer
- Research and Development Manager
- Chemist
- Statistician
- Mathematician
- University Lecturer
Not sure this is you? Take the career quiz and get a ranked shortlist of roles that fit how you like to work.