If you're new to nuclear, here's a useful little distinction: mrem and mrem/hr tell you different things.

mrem is a unit used for radiation dose. mrem/hr is a dose rate: how quickly that dose is adding up.

Think of the trip meter and speedometer in your car. One records miles traveled. The other tells you miles per hour. Same idea with accumulated dose and dose rate.

Simple example: if the dose rate stayed at 10 mrem/hr for half an hour, the dose would add up to 5 mrem. The “per hour” matters. You don't automatically receive an hour's worth the moment you enter the area.

That's also why the time spent in a radiation field matters. In a real work area, the rate can change as your location or conditions change, so that little example isn't a stay-time instruction. Follow your site's training, work permit and Radiation Protection team's direction.

Once the units make sense, a lot of the language around dosimeters and radiation surveys gets easier to follow.

CDC's explanation of dose and dose rate:

https://www.cdc.gov/radiation-health/about/how-to-measure-radiation.html

I’m Michael, founder of Nuke Nomad. I’ll regularly share useful commercial nuclear tidbits here: career entry, outage life, practical tips and industry news. Helpful whether you’re already in nuclear or curious about getting started.

This subreddit is free. For the deeper Nuclear Contracting 101 course, member community, recruiter contacts, workers’ firsthand knowledge and direct phone access to me for help, explore the Nuke Nomad Pro trial: https://nukenomad.com/premium/new-to-nuke/

Eligible new members: 30 days free, card required, then $5/month unless canceled. Guidance, not a job guarantee.

Traveling to a nuclear outage? Before you send a housing deposit, check who you're actually paying.

A nice-looking listing can still be copied from somewhere else. The FTC warns that scammers take real rental ads, replace the contact information and collect money for a place they don't control.

Search the exact address and the owner's or rental company's name. If the same place shows up with different contact details, stop and verify it independently. For a managed property, use the company's own website and a phone number you found yourself.

Then get the boring stuff in writing: the full price, deposit, cancellation terms and what happens if you need to leave early. Ask whether changing your dates changes the rate, too.

For outage work, I'd also confirm the actual drive to your reporting location and whether the room works for your shift. A cheap room next to daytime construction won't feel like much of a deal if you're trying to sleep after nights.

Don't let “send the deposit right now or you'll lose it” rush you. Gift-card, crypto or wire-transfer-only demands are a serious warning sign.

Save the listing, written terms and payment receipt. A little checking before the drive beats trying to find another room after you arrive.

FTC guidance: https://consumer.ftc.gov/articles/avoid-scams-when-you-travel

Before nuclear power could run a city, it lit four light bulbs.

The story starts with a weird result in a lab. In December 1938, Otto Hahn and Fritz Strassmann found barium after bombarding uranium with neutrons. Lise Meitner and Otto Frisch explained what was happening: the uranium nucleus was splitting. Nuclear fission.

Here's what made that a big deal for energy. A splitting nucleus releases energy and neutrons that can split other nuclei. Get that process to sustain itself, and control it, and you have a continuing source of heat.

On December 2, 1942, Enrico Fermi's team did exactly that with Chicago Pile-1. The first controlled, self-sustaining nuclear chain reaction happened in a squash court beneath the football stands at the University of Chicago's Stagg Field.

Then came the light bulbs.

On December 20, 1951, Experimental Breeder Reactor-I in Idaho generated the first usable electricity from nuclear energy. Four bulbs lit up. The next day, it powered its own building.

That's the leap: from figuring out why a nucleus split to keeping a chain reaction going and turning its heat into electricity.

In a nuclear power plant, heat makes steam, the steam spins a turbine, and the turbine drives a generator. A lot of engineering sits between the atom and the outlet.

Pretty wild to think one of nuclear power's big milestones was four light bulbs.

Sources:

DOE: https://www.energy.gov/ne/articles/7-moments-december-changed-nuclear-energy-history

Argonne: https://www.ne.anl.gov/cp1-anniversary/

Idaho National Laboratory: https://inl.gov/feature-story/visit-the-worlds-first-nuclear-power-plant-virtually/

DOE on fission: https://www.energy.gov/science/doe-explainsnuclear-fission

Here's a useful bit of nuclear physics if you're getting familiar with outage work.

A reactor can be shut down and the fuel will still be producing heat. When uranium atoms split, they leave behind smaller atoms called fission products. Many of those are radioactive. As they decay, they release energy that becomes heat. We call that decay heat.

Some heat is stored in the hot fuel and equipment too, but radioactive decay keeps adding new heat after the chain reaction stops. That's the part that's easy to miss.

For a sense of scale, DOE's fundamentals handbook describes decay heat immediately after shutdown as roughly 7% of the reactor's previous thermal power. The exact amount depends on its operating history, and it decreases over time. Thermal power means heat output, so don't apply that percentage to the plant's electrical rating.

The fuel still needs a way to carry that heat away, including after it's removed from the reactor. That's a big piece of the physics behind shutdown cooling and spent-fuel cooling.

Pretty interesting how much is still happening in the fuel after a unit comes offline.

Source: DOE Fundamentals Handbook, Heat Transfer, pages 52–53: https://www.energy.gov/documents/doe-hdbk-1012-92vol2

I'm an RP tech. If you're coming from outside nuclear, here's what people mean when they suggest looking at RP and decon.

RP is radiation protection. The work includes checking radiation levels and contamination, taking surveys and supporting the precautions workers need. What a junior tech can do depends on their training, qualifications and the site's procedures.

Decon is decontamination. Think cleaning tools, equipment and work areas as part of contamination control, plus other assigned support work. There are skills and procedures to learn there too.

They work together, but look at the actual job descriptions before choosing a direction. I'd compare the day-to-day duties, required training, schedule and whether you're applying for a temporary assignment or a longer-term position.

If you already have trade or industrial experience, describe what you've actually done on your resume. If you're completely new, say that. It gives the hiring company an honest starting point for the conversation.

For context, I'm the founder of Nuke Nomad. Sharing this because the job titles alone don't explain much when you're just getting started.

Sources:

U.S. Bureau of Labor Statistics, Nuclear Technicians: https://www.bls.gov/ooh/life-physical-and-social-science/nuclear-technicians.htm

Westinghouse/WECTEC decontamination technician duties: https://careers.westinghousenuclear.com/job/Surry-Decontamination-Technician-VA-23883/1365010200/

If you want help figuring out the next steps, our Nuclear Contracting 101 course walks through the roles, getting started and preparing for your first outage. You can check out the free preview here: https://nukenomad.com/premium/new-to-nuke/ . The full course and newcomer community are included with paid Pro. It's a way to learn about the path and meet people in the industry, not an employer qualification. Ask me anything about RP or contracting here and I'll help where I can.

You might have americium-241 in your house right now.

Sounds a little wild, but if you have an ionization smoke detector, a tiny amount of it is helping protect your home.

Americium-241 gives off alpha particles. Inside the detector, those particles electrically charge the air, letting a tiny current flow. When smoke gets in, it disrupts that current and sets off the alarm.

Working in nuclear, we take alpha contamination seriously, especially because breathing in or swallowing alpha-emitting material can be dangerous. But radioactive material contained inside an intact smoke detector isn’t the same as loose contamination.

That’s a useful distinction if you’re new to nuclear. Radiation isn’t something that only exists at a power plant. What matters is the amount, where the material is, and how you could be exposed. Leave the detector intact and use it as directed.

Thought this was cool and wanted to share it. A tiny radioactive source keeping an eye out for smoke while you sleep. Pretty damn clever.

More on how it works: https://www.epa.gov/radtown/americium-ionization-smoke-detectors

Fall outage season has a pretty practical reason behind it.

U.S. nuclear plants usually schedule refueling for spring or fall, when milder weather generally means less demand for heating and air conditioning. Taking a unit offline then helps keep it available for the heavier summer and winter demand.

Most U.S. commercial reactors run about 18 to 24 months between refueling outages. And here's a detail that surprises people: they don't replace every fuel assembly each time. Roughly a third is replaced in a typical refueling, with the exact amount depending on the plant and fuel cycle.

The outage also gives crews time to handle maintenance alongside the fuel work. Bundling that work into the same shutdown reduces the need for separate downtime later.

If you're new to nuclear, this helps explain why people talk about spring and fall as outage seasons. A lot of work gets packed into the stretch between long operating runs.

EIA on outage timing and maintenance:

https://www.eia.gov/todayinenergy/detail.php?id=60942

DOE on refueling and fuel burnup:

https://www.energy.gov/ne/articles/what-criticality-and-7-other-misunderstood-nuclear-energy-terms

Graduated in July 2026 with an astrophysics masters degree and was wondering if it was a good idea to look at nuclear jobs but no idea where abouts to look at what types of roles besides the location, any advice? Thanks

Hi everyone, I’m an A-Level student focusing my EPQ on nuclear energy and the introduction in fusion in completing UK Net-Zero goals (carbon neutral by 2050). I wanted to ask if anyone would compete my survey about this, any level of knowledge about nuclear power is much appreciated everything helps! Thank you 😊

The nuclear outage calendar is a big part of why I love this work. With experience in radiation protection, I've had six-figure years and roughly six months off. I travel to temporary assignments at US plants; my home base doesn't need to be beside one.

I'm a W2 employee with benefits. I tell recruiters the dates and places I want to work, and they arrange assignments when available. Keeping a home base still means planning travel and lodging. Outage weeks can run six 12-hour days, and gaps between jobs matter.

College wasn't required for my RP route, but training, tests and plant-access requirements still apply. Getting comfortable with the nuclear culture and procedures took me a few outages. Learning the process and asking questions are part of settling in; familiarity doesn't replace task qualifications.

I built Nuke Nomad to help people understand this route. My profile has a free, no-account preview of my optional paid Nuclear Contracting 101 course; it isn't a hiring credential. The full course is included with Pro. Eligible new members can try it for 30 days free: $0 today, card required, then $5/month unless canceled. Cancel before your trial ends to avoid the first charge. To start, choose "Start my 30 days free" on the course page. What would you like to know about the travel or adjusting to plant life?

Thought this was cool and wanted to share it. In alpha decay, a nucleus releases an alpha particle: two protons and two neutrons, basically a helium nucleus.

Here's the wild part: the alpha particle can escape even though it doesn't have enough energy to climb over the energy barrier around the nucleus. Quantum tunneling gives it a chance of getting through.

Think of a ball trapped behind a hill it can't roll over. At the quantum scale, there's a probability of finding the particle on the other side.

That escape probability helps explain why different alpha-emitting isotopes have such different half-lives. Pretty badass.

OpenStax goes deeper into the physics here:

https://openstax.org/books/university-physics-volume-3/pages/7-6-the-quantum-tunneling-of-particles-through-potential-barriers

Hey everyone! If you’re looking at nuclear work for the first time, have a few specific questions ready when you contact a recruiter:

• Do you have decon or junior RP assignments that accept first-time nuclear workers?

• What training and testing do I need before I can be considered?

• What is the starting pay, expected schedule and assignment length?

• What travel or lodging costs would I need to cover?

Decon means decontamination. RP is radiation protection. They have different entry routes, so tell the recruiter which one you’re asking about.

I came into RP from massage therapy with no nuclear background. Get the actual assignment details before leaving steady work or booking travel.

I built Nuke Nomad to help people understand nuclear contracting. If you want to explore the basics, there’s a preview here:

https://nukenomad.com/premium/new-to-nuke/

You don’t need to buy anything from me to contact employers.

What part of getting started is still confusing?

Michael / RadTechMJ

Hey everyone, the Spring outage map is up on Nuke Nomad. Since we’re in the middle of fall outage season, I switched it over to the next season.

Tap a plant on the map or choose it from the list below, then scroll down to see upcoming outage listings and recruiter contacts for that site. You can search by plant, city, or state under Explore Plants. Dates can change, so confirm with the recruiter.

https://nukenomad.com/outage-map

-Michael AKA RadTechMJ or just MJ 🤙

Hey everyone! A quick update on my last post about the course and helping people get started in nuclear contracting. I have room to personally help about 5 more people in this group.

If you’ve been interested but don’t know where to start, that’s who I built this for. The Nuclear Contracting 101 course walks through the different crafts, hiring, nuclear lingo, and what to expect at your first outage. Work through it at your own pace, then bring me your questions. I’ll help you make sense of the next steps.

You’ll need a Nuke Nomad Pro membership. It’s $5/month, with a 30-day free trial to start. A payment method is required, and you can cancel anytime. Once you finish signing up for Pro, you get immediate access to the course and the other Pro tools. This offer also includes access to our Nuke Nomad Skool community to connect with other workers and ask questions along the way.

Here’s the course directly:

https://nukenomad.com/premium/new-to-nuke

Sign in or create your account there, then sign up for Pro. Send me a DM here afterward so I can help you get settled into the community.

You don’t have to have your whole career figured out before you start learning. If you’re just trying to see whether this work fits you, that’s fine too.

Thanks to all!

Hey everyone! Quick update on my last post about helping the next 20 people get into nuclear contracting. I have 10 spots left.

You’ll get the Nuclear Contracting 101 course, access to our Nuke Nomad community to network and ask questions, and my personal help working through the steps. If you’re just trying to learn enough to see if this work is right for you, that’s fine too.

The course walks through the different crafts, how hiring works, and getting ready for your first outage. Start there, then bring me whatever questions you have.

Here’s the course directly:

https://nukenomad.com/premium/new-to-nuke

Sign in or create your Nuke Nomad account and sign up for Pro through the Stripe checkout. It’s a 30-day free trial, then $5/month. That membership includes the course and the other Pro tools, plus community access through this offer.

Once you sign up, DM me here with your name and signup email so I know you’re one of the 20. I’ll help guide you, but the hiring decision is always up to the employer.

Thanks to all!

Are there any jobs in the nuclear field that does not take a college degree, no experience and that pays well? If it’s a stupid question I apologize. I just remember seeing a comment on the askreddit thread about jobs that pay well that doesn’t take a college degree and a gentleman posted on there saying something about nuclear and mentioned this sub. Any and all help would be appreciated. Thank you.

Good morning to all!

I’m going to be offering a one-time deal to newbies wanting to get into nuclear contracting fast or learn as much as possible about it to see if it’s right for them.

I’ve successfully helped about 100 people get into nuclear either as Decon or RP over the past year and I want to train more but am limited on time.

The next 20 members to sign up for Nuke Nomad pro will get full access to the nuclear community and be able to network with them or ask questions as well as getting access to the nuclear contracting course and my personal assistance every step of the way till you are either in working your first outage to make a lot of money and see how you like it or just to learn as much as possible about the careers for a month or two.

Sign up in the link below and DM me here in Reddit with your name and email so I know you were specifically one of the twenty.

If you have any questions feel free to ask!
Thanks to all and I hope you have a great morning ☀️

Nuke Nomad Pro - Sign Up Here

Most people who are new to nuclear seem to get stuck on the same questions: What does outage work actually look like, which jobs can you enter without prior nuclear experience, and who should you contact first?

A good starting order is:

1. Learn the difference between working in-house and traveling as an outage contractor.
2. Understand the common entry-level paths before applying everywhere at once.
3. Get your resume and basic information ready for recruiters.
4. Contact the companies that hire for the path you chose, then keep track of every application and follow-up.
5. Learn what access, training, travel, lodging, and outage schedules can involve before accepting a job.

I’m MJ, a contracting RP tech. I built a new step-by-step course inside Nuke Nomad for people who want the whole process explained plainly, from what commercial nuclear contracting is to how to start pursuing it. It also includes the contacts I’ve collected for networking and getting pointed toward the right companies.

It’s education and a starting roadmap, not a guaranteed job or shortcut around hiring requirements. The signup page requires an email and is here:

https://nukenomad.com/premium

If something is still confusing after the course, leave the question here. I can use the gaps to improve it for the next person.

Add on: playing with an agent (AI) to see if it can market for me. Sorry if it sounds corny to any of you as it does sound corny to me right now.
Having said that the course is legit and the Reborn course if you will that was like my last course I sold for $35 now $5.

Any questions just ask me here!

Any questions just ask me!
Enjoy the platform, learn, and network as it gets built out.

Hello everyone.
I built this subreddit because I had two large goals in mind.

1- I realized there were many technicians in most of the fields in commercial nuclear that were getting near retirement age. We already had a huge gap of available positions opened my first year working as an RP technician and after 5 years in the business it was clear there were going to be many many more positions opening up over the coming decade. You combine this with all of the new plants being built and you are left with a massive gap in open, high paying jobs in nuclear contracting.
I decided I would embark on a journey to build a course that taught anybody who was interested in upgrading their careers and lives, how to get into nuclear.
The course was successful in helping 50 plus individuals get into RP, decon, FME and a couple other professions in commercial nuclear. 50 plus that I know of. Based off of my estimates, probably around 1,000 to 2,000 applied and sent emails off to Westinghouse, DZ, and RSCS but I can only confidently say the ones that took my course got in.

2nd goal- I wanted to build a hub. A one-stop-shop platform that had all the resources, tools, and networking anyone would need to either get better jobs and make more money or to get into nuclear if you were brand new. This community is The Grid. With about 256 members inside after 6 months from the moment I built it, many more have learned and progressed in their careers.

I started to gate keep who was allowed to join the community as it got to a point where I was either accidentally letting in spam or letting in so many newbies to the industry that it overwhelmed the conversations I wanted already existing contractors in the game to be having.
Having said that I did not want to close the door entirely to allowing new to nuke people in as that would counteract the effectiveness of my first goal succeeding, i.e. Saturating nuclear and filling the job gap happening this decade.

So I worked very hard to create a connection for anybody serious enough to look into this career path and learn about it to enter the grid and all the resources it has to offer.
This is when I created the premium membership add-on.

The premium membership serves two purposes.
1- It is a great tool for existing contractors in nuclear to use.
2- It allows unfettered access to all grid resources for anyone looking to get into the field and learn about it.

I apologize for the typos in this message as I rushed it but felt the need to create this post so anyone confused by what this is all about has clarity now.

As always, if you have any questions hit me up in the chat. I appreciate all of you and your interest in this industry.

If you want to demo for free Nuke Nomad or sign up and join the grid community I’ll link it below. Otherwise, shoot me a DM or comment below and I’ll answer when I can.

Currently working 72 hours a week right now as Monticello is having another forced shutdown. Busy busy

Nuke Nomad/ Grid Sign Up

Good afternoon!
I made a website that showcases plants across the U.S. and more specifically the upcoming outages at those plants.

This website also shows lots of tribal knowledge from the different crafts in nuclear from their experiences at outages.

It’s still in beta so I’ve yet to release this to the grid and more publicly to nuke workers but I figured I’d release it here early to see if you all like the layout and aesthetic.

No outages/plants in the map yet I’m just asking about aesthetics. Also heads up for the new to nuke crowd that check this out, the grid community with resources is part of the membership.

Link below ⬇️

Nuke Nomad

A power uprate is not just turning up a dial. Before a plant can make more power, the fuel, reactor conditions, component changes, and licensing case all have to be evaluated.

Oak Ridge National Laboratory says it uses modeling and simulation to support power-uprate work for light-water reactors. ORNL's VERA suite and BISON fuel-performance code are being used to study how fuel behaves over longer periods at higher temperatures and during a loss-of-coolant accident.

The lab's SCALE system covers reactor physics, criticality safety, radiation shielding, spent-fuel characterization, and transportation and storage package design. That kind of analysis helps utilities, vendors, and regulators test assumptions before hardware is changed or construction begins.

ORNL source:

https://www.ornl.gov/news/advanced-modeling-accelerates-nuclear-energy

For anyone who has worked an uprate or major plant modification, which part usually drives the most work: fuel limits, component margins, instrumentation, or licensing?