BeFreed
    Categories>Career & Business>ITから配管工へ:シアトルで挑む50代の再出発とワシントン州の資格制度

    ITから配管工へ:シアトルで挑む50代の再出発とワシントン州の資格制度

    12 min
    |
    |
    May 9, 2026
    CareerEducationPersonal Development

    IT業界の不安を抱える52歳の挑戦を軸に、社会のインフラを支える配管工への転身ルートを解説します。ワシントン州での認定取得から見習い制度の活用まで、未経験から「水のエンジニア」として新たなキャリアを築くための具体的なステップが分かります。

    ITから配管工へ:シアトルで挑む50代の再出発とワシントン州の資格制度

    Best quote from ITから配管工へ:シアトルで挑む50代の再出発とワシントン州の資格制度

    “

    世界保健機関(WHO)は、配管工を「世界で最も重要な第一線のレスポンダー」と呼んでいます。安全な水と衛生システムを守ることは、社会のインフラを支える究極のエンジニアリングなのです。

    ”

    This audio lesson was created by a BeFreed community member

    Input question

    I’m currently 52 living in Seattle, Washington. I’ve always worked in the IT industry but lately, I’m worried about being laid off. I’m thinking about a picking up a trade, such as plumbing. I have no experience in any trade. How do i become a plumber from my current state.

    Host voices
    Niaplay
    Eliplay
    Learning style
    Deep
    Knowledge sources
    Plumber Certification
    link
    https://www.lni.wa.gov/licensing-permits/plumbing/plumber-certification/?newTab=true
    Plumber Trainee - Lni.wa.gov
    link
    https://lni.wa.gov/licensing-permits/plumbing/plumber-certification/plumber-trainee
    How to Apply
    link
    https://www.seattlepipetrades.org/how-to-apply
    Seattle Area Pipe Trades
    link
    https://www.seattlepipetrades.org/apprenticeship-programs/plumber

    Frequently Asked Questions

    最も優先すべきアクションは「配管工見習い証(Plumber Trainee Certificate)」を取得することです。ワシントン州では、このカードを持たずに現場で働いても、将来の資格取得に必要な実務時間として一切カウントされません。16歳以上であれば、労働産業局(L&I)に申請料56.40ドルを支払うことで取得でき、これがプロとしての「修行クロック」を動かすためのログインパスワードのような役割を果たします。

    最も難易度の高い「ジャーニーレベル(PL01)」は8,000時間(約4年)の実務経験が必要ですが、より短期間で資格を得られるパスがあります。住宅の修理や設備交換をメインとする「レジデンシャル・サービス(PL04)」であれば、4,000時間(約2年)の実務経験で資格取得を目指せます。50代からのセカンドキャリアとしては、この2年間という期間は非常に現実的な選択肢となります。

    応募には18歳以上であることやワシントン州の居住者であることに加え、高校の「成績証明書(Transcript)」の提出が求められます。単なる卒業証書のコピーでは不十分なため、母校から取り寄せる時間を見越しておく必要があります。また、代数(Algebra)で一定以上の成績を収めているか、数学のテストで基準をクリアする知識が求められるため、IT出身者であっても事前の確認が推奨されます。

    実務時間は自己管理が基本です。働いた時間は「実務経験証明書(Affidavit of Experience)」に記録し、雇用主や指導員の公証(Notary)を受けた上で、更新日から30日以内にL&Iへ提出する必要があります。提出を忘れたり書類に不備があったりすると、その期間の経験が無効になってしまうため、ITのプロジェクト管理のように、日々のトレーニングログを自分自身で正確に記録しておくことが不可欠です。

    配管工は世界保健機関(WHO)から「第一線のレスポンダー」と呼ばれるほど、社会インフラを守る重要なエンジニア職です。仕事内容は単なる詰まりの修理にとどまらず、住宅の給排水システム、医療用ガスの配管、浄化施設のシステム構築など多岐にわたります。精密な作業スキルや、常に最新の配管規定(コード)を学び続ける姿勢が求められる、非常に専門性の高い職業です。

    Discover more

    Self-taught career change to programmer

    Self-taught career change to programmer

    LEARNING PLAN

    Self-taught career change to programmer

    This plan is designed for career changers who want to transition into tech without a formal CS degree. It bridges the gap between basic coding and professional engineering while providing a clear roadmap for the job market.

    2 h 48 m•4 Sections
    I want to become an expert in networking

    I want to become an expert in networking

    LEARNING PLAN

    I want to become an expert in networking

    This comprehensive path is designed for aspiring engineers looking to bridge the gap between basic connectivity and advanced infrastructure. It combines security, cloud integration, and expert-level diagnostics to prepare you for high-level enterprise roles.

    2 h 43 m•4 Sections
    Prep for Water Treatment Operator Exam

    Prep for Water Treatment Operator Exam

    LEARNING PLAN

    Prep for Water Treatment Operator Exam

    This comprehensive plan is designed for aspiring utility professionals and current technicians seeking official certification. It bridges the gap between theoretical water science and practical plant operations to ensure exam readiness and career advancement.

    2 h 8 m•4 Sections
    Стать ML-инженером и найти работу с нуля

    Стать ML-инженером и найти работу с нуля

    LEARNING PLAN

    Стать ML-инженером и найти работу с нуля

    Этот план обучения идеально подходит для новичков, стремящихся войти в сферу искусственного интеллекта с нуля. Он объединяет фундаментальное программирование, современные алгоритмы и практическую подготовку к трудоустройству в одной программе.

    2 h 57 m•4 Sections
    Cloud

    Cloud

    LEARNING PLAN

    Cloud

    This path is essential for IT professionals and developers transitioning to high-level cloud roles. It bridges the gap between basic computing and advanced enterprise architecture, security, and orchestration.

    2 h 34 m•4 Sections
    Be a more thorough electrician

    Be a more thorough electrician

    LEARNING PLAN

    Be a more thorough electrician

    This plan is essential for electricians seeking to elevate their technical precision and safety standards. It bridges the gap between basic wiring and advanced system diagnostics for professionals in a changing energy landscape.

    4 h 46 m•4 Sections
    Master Tech, Coding & Multi-Trade Skills

    Master Tech, Coding & Multi-Trade Skills

    LEARNING PLAN

    Master Tech, Coding & Multi-Trade Skills

    In an increasingly automated world, the most valuable professionals are those who can navigate both digital code and physical hardware. This comprehensive path is designed for aspiring engineers and polymaths who want to master the full spectrum of modern technical problem-solving.

    4 h 44 m•4 Sections
    Expert Programmer with High-Level Skills

    Expert Programmer with High-Level Skills

    LEARNING PLAN

    Expert Programmer with High-Level Skills

    This plan is designed for senior developers aiming to transition into architectural and leadership roles. It bridges the gap between coding proficiency and strategic technical oversight in a rapidly evolving industry.

    2 h 55 m•4 Sections

    From Columbia University alumni built in San Francisco

    BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds
    See more on how BeFreed is discussed across the web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    From Columbia University alumni built in San Francisco

    BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds
    See more on how BeFreed is discussed across the web

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star

    "Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

    @Moemenn
    platform
    star
    star
    star
    star
    star

    "I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

    @Chloe, Solo founder, LA
    platform
    comments
    12
    likes
    117

    "Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

    @Raaaaaachelw
    platform
    star
    star
    star
    star
    star

    "Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

    @Matt, YC alum
    platform
    comments
    12
    likes
    108

    "Reading used to feel like a chore. Now it’s just part of my lifestyle."

    @Erin, Investment Banking Associate , NYC
    platform
    comments
    254
    likes
    17

    "Feels effortless compared to reading. I’ve finished 6 books this month already."

    @djmikemoore
    platform
    star
    star
    star
    star
    star

    "BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

    @Pitiful
    platform
    comments
    96
    likes
    4.5K

    "BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

    @SofiaP
    platform
    star
    star
    star
    star
    star

    "BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

    @Jaded_Falcon
    platform
    comments
    201
    thumbsUp
    16

    "It is great for me to learn something from the book without reading it."

    @OojasSalunke
    platform
    star
    star
    star
    star
    star

    "The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

    @Leo, Law Student, UPenn
    platform
    comments
    37
    likes
    483

    "Makes me feel smarter every time before going to work"

    @Cashflowbubu
    platform
    star
    star
    star
    star
    star
    1.5K Ratings4.7
    Start your learning journey, now
    BeFreed App
    BeFreed

    Learn Anything, Personalized

    DiscordLinkedIn
    Featured book summaries
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Trending categories
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Celebrities' reading list
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Award winning collection
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Featured Topics
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Best books by Year
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Featured authors
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs other apps
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Learning tools
    Knowledge VisualizerAI Podcast Generator
    Information
    About Usarrow
    Pricingarrow
    FAQarrow
    Blogarrow
    Careerarrow
    Partnershipsarrow
    Ambassador Programarrow
    Directoryarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Term of UsePrivacy Policy
    BeFreed

    Learn Anything, Personalized

    DiscordLinkedIn
    Featured book summaries
    Crucial ConversationsThe Perfect MarriageInto the WildNever Split the DifferenceAttachedGood to GreatSay Nothing
    Trending categories
    Self HelpCommunication SkillRelationshipMindfulnessPhilosophyInspirationProductivity
    Celebrities' reading list
    Elon MuskCharlie KirkBill GatesSteve JobsAndrew HubermanJoe RoganJordan Peterson
    Award winning collection
    Pulitzer PrizeNational Book AwardGoodreads Choice AwardsNobel Prize in LiteratureNew York TimesCaldecott MedalNebula Award
    Featured Topics
    ManagementAmerican HistoryWarTradingStoicismAnxietySex
    Best books by Year
    2025 Best Non Fiction Books2024 Best Non Fiction Books2023 Best Non Fiction Books
    Learning tools
    Knowledge VisualizerAI Podcast Generator
    Featured authors
    Chimamanda Ngozi AdichieGeorge OrwellO. J. SimpsonBarbara O'NeillWinston ChurchillCharlie Kirk
    BeFreed vs other apps
    BeFreed vs. Other Book Summary AppsBeFreed vs. ElevenReaderBeFreed vs. ReadwiseBeFreed vs. Anki
    Information
    About Usarrow
    Pricingarrow
    FAQarrow
    Blogarrow
    Careerarrow
    Partnershipsarrow
    Ambassador Programarrow
    Directoryarrow
    BeFreed
    Try now
    © 2026 BeFreed
    Term of UsePrivacy Policy

    Key Takeaways

    1

    配管工は「第一線のリプライヤー」という驚きの事実

    0:04
    0:21
    0:47
    1:06
    1:24
    2

    ワシントン州で配管工を目指すための「3 つの門」

    1:38
    1:54
    2:00
    2:15
    2:24
    2:46
    2:59
    3

    最初のステップ:見習い証(Trainee Certificate)を手に入れる

    3:05
    3:10
    3:26
    3:33
    3:44
    3:54
    4:09
    4

    シアトル・エリア・パイプ・トレードへの挑戦状

    4:14
    4:24
    4:33
    4:50
    5:16
    5:23
    5

    面接で問われる「配管工とは何をする人か」という本質

    5:31
    5:41
    5:53
    5:55
    6:08
    6:12
    6:29
    6:38
    6

    「ヘルパー」から始まる泥臭いキャリアの積み上げ方

    6:52
    6:56
    7:08
    7:17
    7:29
    7:38
    7:59
    8:08
    7

    実務時間の「自己管理」という IT 的な落とし穴

    8:21
    8:33
    8:50
    8:53
    9:04
    9:10
    9:25
    9:36
    8

    歳、シアトルで今日から始めるための 3 ステップ

    9:43
    9:54
    9:58
    10:11
    10:23
    10:25
    10:41
    10:53
    9

    新しい「インフラ」への扉を開けるあなたへ

    11:07
    11:20
    11:35
    11:50
    12:06
    12:23
    12:28

    More like this

    UW数学科合格への道:シアトルで描くキャリア戦略 book cover
    How to Study for a Mathematics DegreeThe joy of XThe road to realityHow Not to Be Wrong
    22 sources
    UW数学科合格への道:シアトルで描くキャリア戦略
    世界25位の難関、ワシントン大学数学専攻。合格後の厳しい現実を乗り越えるための履修戦略や、シアトルの立地を活かしたインターンシップ活用法を徹底解説します。親子で取り組む実践ガイドを通じて、数学を武器にグローバルなキャリアを切り拓く準備を始めましょう。
    15 min
    The Staff Engineer's Path book cover
    The Staff Engineer's Path
    Tanya Reilly
    Guidance for engineers on career growth and technical leadership.
    9 min
    CISM: From Security Tech to Business Leader book cover
    CISM® Certification | Certified Information Security Manager® - ISACACISM Certification Guide: Overview, Cost, and Job Benefits - CourseraCISM Certification 2026 Update: Whatâ€TMs Changing in ISACAâ€TMs New Exam Structure (Nov 2026)4 CISM Domains Explained (Master the Exam in 2026) - StationX
    6 sources
    CISM: From Security Tech to Business Leader
    Technical experts often hit a career ceiling in security. Learn how the CISM bridge connects technical skill to business strategy for a major career jump.
    22 min
    The Project Manager’s Second Act book cover
    Start Here: Complete Midlife Guide for Men Over 40PMP vs CAPM: Which one do I choose? The 2026 Guide to Project Management Certification Options in Malaysia - PMP Malaysia Kuala Lumpur l PMP Certification l PMP Courses | PMP TrainingIs the PMP® Certification Still Worth It in Malaysia? (2026 Salary & Job Market Report) - PMP Malaysia Kuala Lumpur l PMP Certification l PMP Courses | PMP TrainingHow to Start Running After 40: Your Step-by-Step Guide
    6 sources
    The Project Manager’s Second Act
    Feeling stuck at forty-two? Learn how to apply your professional skills to your health and mindset to reach your peak earning years and vitality.
    19 min
    IT security specialist roles: Why certs aren't enough book cover
    CompTIA Security+ Get Certified Get AheadTribe of HackersBecoming an Ethical HackerCracking the Tech Career
    27 sources
    IT security specialist roles: Why certs aren't enough
    Struggling to break into cybersecurity despite millions of job openings? Learn how to build a practical roadmap from total beginner to high-earning CISO.
    33 min
    Construction Careers: From Estimator to Executive book cover
    source 1source 2source 3From Estimator to Executive: Career Paths That Lead to $200K Roles in Construction -
    6 sources
    Construction Careers: From Estimator to Executive
    Explore strategic career advancement for construction professionals at companies like Kiewit, plus innovative approaches to professional networking using different aspects of identity. Discover how to transition from technical roles to $200K+ leadership positions.
    27 min
    The Manager's Path book cover
    The Manager's Path
    Camille Fournier
    Guiding tech leaders through growth, culture, and leadership challenges.
    8 min
    Exit Interview book cover
    Exit Interview
    Kristi Coulter
    A woman's journey through marriage, career, and self-discovery
    8 min