SREとプロダクトエンジニアはなぜ、分断されてしまうのか/Why are sre team and product teams so disconnected?

by ワンキャリアTech

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SREͱϓϩμΫτΤϯδχΞ͸ ͳͥɺ෼அ͞Εͯ͠·͏ͷ͔ 2026/01/31ɹגࣜձࣾϫϯΩϟϦΞ ౉ᬒ ඒرύ΢ϥ

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ONE CAREER Inc . ࣗݾ঺հ झຯ Career ͻͱ͜ͱ Copyright © ONE CAREER Inc. All Rights Reserved. ࣗݾ঺հ 3 ONE CAREER Inc . ϓϩμΫτ։ൃ෦ ϓϩμΫτΤϯδχΞ झຯ Career ͻͱ͜ͱ ౉ᬒ ඒرύ΢ϥ 2023೥10݄ʙ SREͱͯ͠ϫϯΩϟϦΞʹ৽ଔೖࣾ 2024೥8݄ʙ ϑϩϯτΤϯυΤϯδχΞ PCήʔϜ(LoL, Valorant, APEX), Իָؑ৆ ຊ೔͸ΑΖ͓͘͠ئ͍͠·͢ʂ https://x.com/PWatanabeMiki https://github.com/MikiPWata ࣗݾ঺հ

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Copyright © ONE CAREER Inc. All Rights Reserved. MISSION 1. DX:اۀ׆ಈʹσʔλͱσδλϧٕज़Λ׆༻͢Δ͜ͱͰɺϏδωεϞσϧ΍ۀ຿ɺαʔϏεͳͲΛมֵ͠ɺڝ૪্ͷ༏ҐੑΛཱ֬͢Δ͜ͱ ਓͷ਺͚ͩɺ ΩϟϦΞΛͭ͘Δɻ ࢲͨͪϫϯΩϟϦΞ͸ʮਓͷ਺͚ͩɺΩϟϦΞΛͭ͘ΔɻʯΛϛογϣϯʹܝ͛ɺ ݸਓɾاۀ͕࢓ࣄબͼʹؔ͢Δ͋ΒΏΔσʔλΛར༻Ͱ͖ΔϓϥοτϑΥʔϜͱͯ͠3ͭͷαʔϏεΛల։͓ͯ͠Γ·͢ɻ - ब׆ࢧԉαʔϏεʮϫϯΩϟϦΞʯʢֶੜ൛ʣ - ৽ଔ࠾༻αʔϏεʮϫϯΩϟϦΞʯʢاۀ൛ʣ - స৬ࢧԉαʔϏε/த్࠾༻αʔϏεʮϫϯΩϟϦΞస৬ʯ ଟ͘ͷਓʹͱͬͯ࢓ࣄ͸ਓੜͰ࠷΋࣌ؒΛ౤ࢿ͢Δର৅Ͱ͋Δʹ΋ؔΘΒͣɺ ࢓ࣄબͼʹؔͯ͠͸ҙࢥܾఆͷج४ͱͳΔΑ͏ͳσʔλ͕গͳ͘ɺ͍·ͩʹब৬͔ͯ͠Βޙչ͢Δਓ͕ޙΛઈͨͳ͍ঢ়گͰ͢ɻ ࢲͨͪ͸ɺ͢΂ͯͷݸਓͷΩϟϦΞʹ޲͖߹͍ɺΩϟϦΞσʔλΛूΊɺଟ༷Խ͢Δੈͷதʹ͓͍ͯ࢓ࣄબͼͱ࠾༻׆ಈΛΞοϓσʔτ͍͖ͯ͠·͢ɻ

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Copyright © ONE CAREER Inc. All Rights Reserved. ͦ΋ͦ΋ɺͳͥ෼அ͸ྑ͘ͳ͍ͷ͔ 12 ૊৫ͷ෼அ͸ࣄۀ੒௕Λ๦͛Δ ໾ׂͱ੹຿ͷ໌֬Խ͸ɺຊདྷɺۀ຿Λԁ׈ʹ͢ΔͨΊͷࢦ਑Ͱ͋Δɻ͔͠͠ɺͦͷڥքઢ͕ա৒ʹҾ͔Εͨͱ͖ɺ ૊৫ʹ෼அ͕ੜ·ΕΔɻ࠷దԽ͞Εͨ͸ͣͷ໾ׂ͕ɺޓ͍ͷڠྗΛ્ΉนͱͳΓҎԼͷΑ͏ͳσϝϦοτΛট͘ɻ ʮશମ࠷దʯΑΓʮ෦෼࠷దʯͳࢥߟʹ ௐ੔ίετ͕૿େ͠ɺҙࢥܾఆεϐʔυ͕௿Լ ৘ใڞ༗͕ݮΓɺݟ͑ͳ͍ϦεΫ͕૿Ճ

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Copyright © ONE CAREER Inc. All Rights Reserved. ͳͥ෼அ͕͓͖Δͷ͔ ᶃ डൃ஫ؔ܎ͷݻఆԽ 14 ޮ཰ΛٻΊͨ͸ͣͷʮ໾ׂ෼୲ʯ͕ɺ͍ͭͷؒʹ͔ʮडൃ஫ʯͱ͍͏৺ཧతোนΛ࡞Δɻ ͜ͷڥքઢ͕౰ࣄऀҙࣝΛୣ͍ɺʮ੹೚ͷԡ͠෇͚߹͍ʯ΍ʮݱ৔ͷແؔ৺ʯ͕ߏ଄తʹৢ੒͞Εͯ͠·͏ɻ Product Teams SRE Team αʔϏεͷύϑΥʔϚϯε͸SRE͕ྑ͘͢Δ΋ͷ ػೳ։ൃʹूத͍ͨ͠ͳ͊ɾɾɾ SRE͕γεςϜ؂ࢹͯ͘͠Ε͍ͯΔ Noͱ͸ݴ͑ͳ͍͠ɺҾ͖ड͚Α͏ɾɾɾ ػೳ։ൃʹूதͰ͖ΔΑ͏ʹɺ ӡ༻͸SRE͕΍Ζ͏ ຊ൪؀ڥΛकΔͷ͸ࣗ෼ͨͪͷ໾໨

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Copyright © ONE CAREER Inc. All Rights Reserved. ͳͥ෼அ͕͓͖Δͷ͔ 15 ᶄ ໨ࢦ͢ϕΫτϧͷζϨ Product Teams SRE Team ࣄۀՁ஋ͷ࠷େԽͱਝ଎ͳࢢ৔౤ೖ γεςϜͷ৴པੑ୲อͱ࣋ଓՄೳͳӡ༻ ✓ ৽ػೳΛఏڙ͢ΔΞδϦςΟॏࢹ ✓ සൟͳมߋ΍ϦϦʔεεϐʔυ͕େࣄ ✓ ஗ԆʹΑΔػձଛࣦͷൃੜ͕ϦεΫ ✓ γεςϜͷϨδϦΤϯεॏࢹ ✓ ϢʔβʔମݧΛकΔ→SLO९क͕େࣄ ✓ ҆қͰݕূෆे෼ͳมߋ͸ϦεΫ ৬ೳ΍໾্ׂɺProduct Teams͸ʮ৽ͨͳՁ஋ఏڙɾεϐʔυʯɺSRE Team͸ʮ৴པੑɾ҆ఆʯΛՁ஋؍ͷ࣠ͱ ͢ΔͨΊɺߏ଄తʹՁ஋؍ͷ૬൓͕ੜ͡΍͍͢ɻ

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Copyright © ONE CAREER Inc. All Rights Reserved. ͳͥ෼அ͕͓͖Δͷ͔ ᶅʮ1ରଟʯ͕ੜΉ৘ใͷඇରশੑ 16 ෳ਺ͷϓϩμΫτνʔϜ͕ݸผʹอ༗͢ΔυϝΠϯ஌ࣝ΍ৄࡉ࢓༷͸ɺSREʹ͸ڞ༗͞Εʹ͍͘ɻ͜ͷߏ଄తͳ ʮ৘ใͷඇରশੑʯ͕ɺޓ͍ͷઐ໳ྖҬͷΈʹด͡Δʮ੹೚ͷ෼அʯΛট͘ཁҼͱͳΔɻ υϝΠϯ஌ࣝ ཁ݅ɾ࢓༷ Ϣʔβʔߦಈ ΞϓϦέʔγϣϯ಺෦࣮૷ ٕज़తෛ࠴ͷॴࡏ ։ൃϩʔυϚοϓ SLOӡ༻ ύϑΥʔϚϯε ίετ ηΩϡϦςΟ Products SRE

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Copyright © ONE CAREER Inc. All Rights Reserved. Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 18 ࢀߟ: ʮό΢ϯμϦʔɾεύχϯάʯ ʮό΢ϯμϦʔɾεύχϯάʯνʔϜ΍෦ॺͳͲͷʮڥքʯΛӽ͑ͯɺਓɾ৘ใɾΞΠσΞͳͲΛܨ͗ɺ৽ͨͳՁ ஋૑଄΍໰୊ղܾΛଅ͢Ϧʔμʔγοϓͷཧ࿦Ͱ͋Δɻ͜ͷཧ࿦Λݩʹɺ෼அΛߏ଄తʹ๷͙ͨΊͷࣄྫΛղઆɻ ΫϦεɾΞʔϯετɺυφɾΫϩϘοτ=ϝΠιϯ(2018) ૊৫ͷนΛӽ͑Δ――ʮό΢ϯμϦʔɾεύχϯάʯ6ͭͷ࣮ફ ӳ࣏ग़൛ ● ʮό΢ϯμϦʔɾεύχϯάʯͱ͸ ➢ ʮό΢ϯμϦʔʯͱ͸νʔϜ΍෦ॺͳͲͷʮڥքʯ ➢ ʮεύχϯάʯͱ͸ʮڮ౉͠ʯ ➢ ʮڥքʯΛҙਤతʹͳ͘͠ɺਓ΍৘ใΛܨ͙͜ͱ ͰɹՁ஋Λ૑଄͢ΔϦʔμʔγοϓཧ࿦

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Copyright © ONE CAREER Inc. All Rights Reserved. Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 19 ʮό΢ϯμϦʔɾεύχϯάʯ෼அΛഁյ͢ΔͨΊͷ3ͭͷεςοϓ ຊॻ͕ఏএ͢ΔҎԼ3ͭͷϓϥΫςΟεΛॱ൪ʹ࣮ફ͠ɺͲ͏෼அΛղফ͢Δ͜ͱ͕Ͱ͖͔ͨʹ͍ͭͯղઆɻ ෼அͷഁյ Reflectingʢ൓ࣹʣ Mobilizingʢ݁ूʣ Transformingʢมܗʣ

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Copyright © ONE CAREER Inc. All Rights Reserved. डൃ஫ؔ܎ͷ ݻఆԽ Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 20 Stepᶃ Reflectingʢ൓ࣹʣ: SREϓϥΫςΟεΛʮਅࣅΒΕΔʯ؀ڥͮ͘Γ ୯ͳΔνʔϜؒͷ఻ୡʹཹ·Βͣɺࢥߟͱ؀ڥΛͦͷ··૬खʹݟͤΔ͜ͱͰɺ୭΋͕ʮਅࣅͰ͖Δʯঢ়ଶΛ࡞Δ ͜ͱ͕ॏཁɻͦ͏͢Δ͜ͱͰɺʮडൃ஫ʯͷนΛഁյ͠ɺࣗ૸Ͱ͖Δঢ়ଶ΁ͱଅ͢ɻ ՝୊ ղܾΞϓϩʔν ϚΠϯυ΍஌ࣝͷ ಉظ Reflectingʢ൓ࣹʣ ✓ ࢥߟͷసࣸ ➢ ϚχϡΞϧɺϖΞϓϩ౳Ͱͷࢥߟ΍஌ࣝͷసࣸ ✓ ؀ڥͷಉظ ➢ ϦϙδτϦ౷߹ʹΑΔΠϯϑϥมߋͷڥքઢഉআ ➢ ୯७ΦϖϨʔγϣϯͷࣗಈԽ ҟͳΔࢹ఺Λ୅ห͠ɺूஂؒͷ஌ࣝͷ΍ΓऔΓΛଅਐ͢Δ

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Copyright © ONE CAREER Inc. All Rights Reserved. Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 21 ྫʣReflectingʢ൓ࣹʣ: ϙετϞʔςϜ͕ඪ४Խ ϙετϞʔςϜΛʮSRE͕ओಋ͢Δ΋ͷʯ͔Βʮ౰ͨΓલʹ΍Δ͜ͱʯͱͯ͠࢓૊ΈԽɻ ͜ΕʹΑΓɺΠϯγσϯτޙͷৼΓฦΓ࣮ࢪ͕100%ͱͳͬͨɻ ใࠂऀ ର৅ϓϩμΫτ ൃੜ೔࣌ ϢʔβʔӨڹ Ұ࣍ରԠํ਑ ૝ఆΠϯγσϯτϨϕϧ @channel ΠϯγσϯτใࠂϫʔΫϑϩʔ @channel ҎԼͷςϯϓϨʔτΛݩʹϙετϞʔςϜ Λߦ͍·͠ΐ͏ʂ https://example.com ऴΘͬͨΒ׬ྃϘλϯΛԡ͍ͯͩ͘͠͞ ׬ྃ ࣗવͱSRE͕ٻΊΔϓϥΫςΟεΛ࣮ݱͰ͖͍ͯΔঢ়ଶʹ

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Copyright © ONE CAREER Inc. All Rights Reserved. ໨ࢦ͢ϕΫτϧͷ ζϨ Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 22 Stepᶄ Mobilizingʢ݁ूʣ: ڞ௨ͷධՁࢦඪΛ΋ͱʹɺର࿩Λ܁Γฦ͢࢓૊ΈԽ ͲΜͳʹ஌ࣝ΍΍ΓํΛڞ༗͍ͯͯ͠΋ɺ໨ࢦ͢ΰʔϧ͕ҟͳΔͱܗ֚Խ͠΍͍͢ɻ୯ͳΔʮใࠂձʯͰ͸ͳ͘ɺ ಉ͡໨ඪʹ޲͔ͬͯऔΓ૊Ή஥ؒͱͯ͠ɺର࿩Λ࢓૊ΈԽ͢Δͱࣗવͱ޲͖ઌ͕ἧͬͯ͘Δɻ ՝୊ ղܾΞϓϩʔν ໨ඪͷಉҰԽͱ ର࿩ͷ࢓૊ΈԽ Mobilizingʢ݁ूʣ ✓ ධՁͷ౷߹ ➢ SRE΋Product Team΋SLOΛධՁʹ૊ΈࠐΉ ✓ ϑΟʔυόοΫϧʔϓͷཱ֬ ➢ SLOఆྫΛ௨ͨ͡ڧ͍ҙࣝ෇͚ͷߏங ➢ ԕྀͤͣຊԻͰٞ࿦͠ɺϫϯνʔϜΛৢ੒ ڞ௨໨ඪΛཱ֬͠ɺ1ͭͷίϛϡχςΟΛ࡞Δ

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Copyright © ONE CAREER Inc. All Rights Reserved. Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 23 ྫʣMobilizingʢ݁ूʣ: SLOఆྫ͕࣮ޮతͳվળαΠΫϧ΁ͱঢ՚ SLOࢦඪΛى఺ͱͨ͠ʮܭଌɾٞ࿦ɾҙࢥܾఆɾվળʯͷαΠΫϧΛϓϩμΫτνʔϜΛר͖ࠐΜͩఆྫϓϩηε ͱͯ͠࢓૊ΈԽɻ͜ΕʹΑΓɺܗ֚Խ͢Δ͜ͱͳ͘ɺ࣮ޮతͳվળΞΫγϣϯΛܧଓ͢Δ͜ͱ͕Մೳʹͳͬͨɻ ݄࣍SLOఆྫ ։࠵೔: YYYY/MM/DD ࢀՃऀ: @xxx @xxx ΞδΣϯμ ɾલճͷΞΫγϣϯਐḿ ɾSLOͷ໨ඪୡ੒ঢ়گ ɾσΟεΧογϣϯ: SLOະୡ߲໨ʹ͍ͭͯ ɾωΫετΞΫγϣϯ: ͍ͭ·Ͱʹ/୭͕/ԿΛ΍Δ SLOͷ໨ඪୡ੒ঢ়گ ɾՔಇ཰: ʓʓ% ɾp95͕1sҎԼͷׂ߹: ʓʓ% ɾp50͕300msҎԼͷׂ߹: ʓʓ% ෼ੳɾܭଌ վળ࣮ߦ ٞ࿦ɾධՁ ݩʑͷύϑΥʔϚϯε͔Β50%Ҏ্վળ

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Copyright © ONE CAREER Inc. All Rights Reserved. ৘ใͷඇରশੑ Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 24 Stepᶅ Transformingʢมܗʣ: ઓུతͳਓࡐ഑ஔΛߦ͍ɺ৘ใͷඇରশੑΛղফ ෼அΛ׬શʹഁյ͢Δʹ͸ɺίϯςΩετͷ༥߹͔͠ͳ͍ɻSRE͕Product΁ɺProduct͕SRE΁ͱೖΓࠐΈɺ1ͭ ͷੜ໋ମͱͯ͠ಈ͘͜ͱ͕ɺ࠷ऴతͳ෼அͷղফͱͳΔɻ ՝୊ ղܾΞϓϩʔν ಉҰνʔϜԽ Transformingʢมܗʣ ✓ ઓུతͳਓࡐͷೖΕସ͑ ➢ SRE㱻Product TeamؒͰҟಈ ✓ ίϯςΩετͷ༥߹ ➢ Product Teamͱಉ͡৘ใ΍ίϯςΩετʹ৮Εɺ ೝࣝͷζϨΛ׬શʹ๷͙ ूஂͷڥքΛ੾அ͠ɺ࠶ฤΛՄೳʹ͢Δ

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Copyright © ONE CAREER Inc. All Rights Reserved. Ͳ͏͢Ε͹෼அ͸͓͖ͳ͍ͷ͔ 25 ྫʣTransformingʢมܗʣ: Product㱻SREؒͷҟಈͰ՝୊ղܾͷεϐʔυ͕޲্ Product Team͔ΒSRE΁ͷҟಈͨ͠ϝϯόʔ͕ɺ։ൃʹ͓͍ͯϘτϧωοΫͰ͋ͬͨϦϦʔεϓϩηεΛվળ͠ɺ ຖ೔ෳ਺σϓϩΠͰ͖Δ։ൃϑϩʔΛཱ֬ɻ͜ΕʹΑΓd/d/d1ʹ͓͍ͯલ೥ಉظൺ4ഒΛୡ੒ɻ 1: deploys/ a day / a developer 1೔͋ͨΓͷσϓϩΠճ਺Λ։ൃऀͰׂͬͨ΋ͷ

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Copyright © ONE CAREER Inc. All Rights Reserved. ൱ɻ 27 ૊৫͕֦େ͠ɺ໾ׂ͕ઐ໳Ո͢ΔҎ্ɺڥքʢό΢ϯμϦʣͷൃੜ͸ආ͚ΒΕͳ͍ɻ ॏཁͳͷ͸ɺʮڥք͸ৗʹൃੜ͠ɺແҙࣝʹ޿͕Δʯͱ͍͏લఏΛ஌Δ͜ͱɻ ์ஔ͢Ε͹ਂ͘ͳΔ͜ͷߔΛɺ͍͔ʹ࢓૊ΈʹΑͬͯຒΊଓ͚ɺڮΛՍ͚ଓ͚Δ͔ɻ ʮڥքΛຒΊΔܧଓతͳΞϓϩʔνʯ͕ͦ͜ɺ෼அΛ৐Γӽ͑Δຊ࣭తͳղͱͳΔɻ