How to Apply to Doosan Fuel Cell

9 min read Last updated April 20, 2026 4 open positions
Blake Crosley
Blake Crosley Researched using publicly available information, hiring data, and ATS analysis.

Key Takeaways

  • Apply through recruit.doosan.com, the unified Doosan Group portal — there is no separate Doosan Fuel Cell standalone applicant tracking system.
  • The HQ is in Iksan, North Jeolla Province; assume Korean as the working language and plan your life around the Iksan area for plant-side roles.
  • Gong-chae timing aligns with the broader Doosan Group calendar (spring and autumn windows); experienced-hire (suchi) postings run year-round.
  • Selection follows the standard Korean chaebol path: 자기소개서 + HMAT aptitude test + multi-round interviews including a technical deep-dive and an executive panel.
  • Demand is policy-driven (PPS guaranteed buyers, HPS tenders, hydrogen economy roadmap) — expect cyclical hiring surges and lulls, and align your timing accordingly.
  • The hydrogen org spans Doosan Fuel Cell, Doosan Mobility Innovation, HyAxiom (US, ex-UTC Power), and the Doosan Hydrogen Business Group; cross-affiliate moves are possible but not automatic.
  • Park family chaebol governance and union activity (한국노총 and 민주노총 presence at Doosan group plants) are real features of the working environment — investigate honestly before signing.

About Doosan Fuel Cell

Doosan Fuel Cell Co., Ltd. (두산퓨얼셀, KOSPI: 336260) is a Korean stationary fuel cell manufacturer headquartered in Iksan, North Jeolla Province (전북 익산), with a registered address at the Iksan National Industrial Complex. The company was spun off from Doosan Corporation in October 2019 as part of a corporate restructuring that split the parent's fuel cell business unit into a standalone, separately listed entity so that hydrogen and fuel cell economics could be transparently financed and the broader Doosan Group could de-leverage. Headcount sits at roughly 600 employees, the bulk concentrated at the Iksan plant where stack assembly, BoP integration, and final commissioning happen. The company's product portfolio spans three fuel cell chemistries: phosphoric acid fuel cells (PAFC) for combined heat-and-power at district-energy and commercial scale, where Doosan Fuel Cell holds the world's largest installed capacity share through legacy UTC Power-derived stacks; polymer electrolyte membrane fuel cells (PEMFC) for tri-generation and emerging hydrogen-only configurations; and solid oxide fuel cells (SOFC), commercialized in partnership with Ceres Power of the UK and aimed at high-efficiency power-only applications and future ship-board generation. Service revenue from existing PAFC fleets in Korea provides a long-tail annuity that funds R&D into the newer chemistries. Doosan Fuel Cell sits inside a broader hydrogen value chain that the controlling Park family has organized across Doosan Corporation itself, Doosan Mobility Innovation (DMI, drone fuel cells), HyAxiom in the United States (the former UTC Power stack business, rebranded from Doosan Fuel Cell America in 2022), and the Doosan Hydrogen Business Group, which coordinates strategy across the affiliates. As a Doosan affiliate, the company operates inside a chaebol governance structure: the Park family ultimately controls capital allocation, executive appointments, and inter-affiliate transactions, even though Doosan Fuel Cell is independently listed. Demand is heavily policy-shaped. Korea's Hydrogen Economy Roadmap, the Public Procurement Service (조달청 PPS) preferential purchase regime, and the Hydrogen Portfolio Standard (HPS) effectively guarantee a domestic floor of fuel cell installations for utilities and public buildings. The 2024-2025 push into hydrogen refueling stations (HRS), green hydrogen, and ammonia-as-carrier projects expands the addressable market beyond stationary CHP. Expect the hiring posture to track those policy waves: heavier on power systems, hydrogen safety, BoP, and project execution engineers when public tenders open, lighter when capacity is being absorbed.

Application Process

  1. 1
    Watch for the Doosan Group gong-chae (公採, open-recruitment) windows, which usual

    Watch for the Doosan Group gong-chae (公採, open-recruitment) windows, which usually open twice a year (spring and autumn) and are announced simultaneously across all Doosan affiliates including Doosan Fuel Cell. Off-cycle suchi (수시, experienced-hire) postings run year-round on the same portal but use a leaner, role-specific track.

  2. 2
    Create a single profile on the unified Doosan Group recruiting portal at recruit

    Create a single profile on the unified Doosan Group recruiting portal at recruit.doosan.com — this account is shared across Doosan Corporation, Doosan Enerbility, Doosan Fuel Cell, Doosan Robotics, Doosan Bobcat Korea, Doosan Logistics Solutions, and the smaller affiliates, so accuracy matters because past applications are visible to the group's HR organization.

  3. 3
    Submit the 자기소개서 (jagi-sogae-seo, self-introduction essay) addressing Doosan's s

    Submit the 자기소개서 (jagi-sogae-seo, self-introduction essay) addressing Doosan's standard prompts: growth background, biggest accomplishment, why Doosan Fuel Cell specifically, and a future-vision question tied to the hydrogen economy. Each item is character-capped (typically 700-1,000 Korean characters); going under length signals low effort.

  4. 4
    Pass the document screen, then sit for HMAT (Doosan's group-wide aptitude test)

    Pass the document screen, then sit for HMAT (Doosan's group-wide aptitude test) covering language, numerical reasoning, problem-solving, history/general knowledge, and a personality inventory. HMAT is administered in Korean and historically has had a reputation for being slightly broader and more humanities-flavored than SK or Samsung's equivalents.

  5. 5
    Clear two to three interview rounds: a competency-based 1차 (first-round) panel w

    Clear two to three interview rounds: a competency-based 1차 (first-round) panel with the hiring manager and a working-level engineer, a 2차 executive interview with team or division leadership, and for some roles a 3차 culture-fit conversation. Technical roles add a separate technical deep-dive (often whiteboard problems on electrochemistry, controls, mechanical design, or process engineering depending on the team).

  6. 6
    Receive a conditional offer, then complete a health check (건강검진) at a designated

    Receive a conditional offer, then complete a health check (건강검진) at a designated Korean hospital and submit the standard background documents: family register extract, academic transcripts, military service record (병역증명서) for male candidates, and any relevant certifications.

  7. 7
    Onboard with the group-wide Doosan Group orientation in Seoul or at a Doosan tra

    Onboard with the group-wide Doosan Group orientation in Seoul or at a Doosan training campus, then transfer to the Iksan plant for fuel cell-specific onboarding. New 신입 (entry) hires typically rotate through manufacturing, quality, and field service before settling into a permanent assignment.

  8. 8
    Experienced-hire (경력) candidates skip gong-chae and apply to specific suchi post

    Experienced-hire (경력) candidates skip gong-chae and apply to specific suchi postings as they appear; these often move in three to five weeks from application to offer if the hiring team has budget and headcount approval already secured.

Resume Tips for Doosan Fuel Cell

recommended

Submit a Korean-language resume (이력서) and 자기소개서 for Iksan-based roles unless the

Submit a Korean-language resume (이력서) and 자기소개서 for Iksan-based roles unless the posting explicitly says English-only — even bilingual managers default to Korean documents during screening, and a Korean resume signals that you can survive day-to-day at the plant.

recommended

Use the official Doosan template fields when the portal provides them rather tha

Use the official Doosan template fields when the portal provides them rather than uploading a freeform PDF; the recruit.doosan.com system parses structured fields (school, GPA, certifications, language scores) into the screening database, and freeform uploads can lose data.

recommended

Quantify hydrogen, fuel cell, electrochemistry, or power-systems experience with

Quantify hydrogen, fuel cell, electrochemistry, or power-systems experience with stack capacity (kW), efficiency (%, LHV/HHV basis), durability hours, or project budget figures — recruiters compare candidates head-to-head on these specific numbers.

recommended

List Korean professional engineering credentials (기술사, 기사, 산업기사) in chemical eng

List Korean professional engineering credentials (기술사, 기사, 산업기사) in chemical engineering, electrical, mechanical, energy, or hydrogen-adjacent fields prominently; for safety-critical plant roles a relevant 기사 is often a hard filter.

recommended

Include language proficiency with formal scores: TOEIC, OPIC, or TOEIC Speaking

Include language proficiency with formal scores: TOEIC, OPIC, or TOEIC Speaking for English; JLPT or HSK for Japanese or Chinese (relevant for Asia-Pacific business development and HyAxiom coordination).

recommended

Highlight any UTC Power, HyAxiom, Bloom Energy, FuelCell Energy, Plug Power, Bal

Highlight any UTC Power, HyAxiom, Bloom Energy, FuelCell Energy, Plug Power, Ballard, Ceres Power, Toyota Mirai program, or Hyundai NEXO program experience — these are the immediately recognizable peer organizations and named-experience cuts through screening noise.

recommended

For male Korean nationals, list military service (병역) status clearly: completed

For male Korean nationals, list military service (병역) status clearly: completed branch, rank, dates, and any technical specialty (특기). Doosan Group HR systems flag this field during screening.

recommended

Emphasize willingness to relocate to or commute regularly from the Iksan area (전

Emphasize willingness to relocate to or commute regularly from the Iksan area (전북 익산); candidates who frame the location as an advantage (lower cost of living, shorter commute, access to KTX Iksan station) read as better-aligned than those who treat it as a sacrifice.

ATS System: Doosan Group Unified Recruit Portal (recruit.doosan.com)

Doosan Group operates a single in-house recruiting portal at recruit.doosan.com that serves Doosan Fuel Cell alongside every other Doosan affiliate. It is a Korean-language Java-based portal (the typical chaebol pattern, broadly similar to Samsung Careers, LG Careers, and SK Careers in feel), not a third-party SaaS like Workday, Greenhouse, or SuccessFactors. The portal hosts both gong-chae (twice-yearly open recruitment) and suchi (rolling experienced-hire) postings under one candidate account, and it integrates downstream with the HMAT aptitude test scheduling system. Note: at the time of this guide, recruit.doosan.com may not respond to non-Korean IPs or aggressive automated probing — applicants from outside Korea sometimes need a Korean VPN, a Korean phone number for SMS verification, or a Korean i-PIN for identity verification, depending on the role.

  • Create one Doosan account and reuse it across affiliates — the system surfaces application history group-wide and recruiters can see prior screenings.
  • Do not skip the structured fields in favor of an uploaded PDF; the parser keys off the structured form, not the attachment.
  • Korean nationals will need to complete identity verification via i-PIN, Korean mobile phone, or 본인인증; non-Koreans should expect to provide passport-based equivalents.
  • If the portal blocks your IP, try a Korean network (Korean VPN, Korean ISP, or a friend's Korean residential IP) — this is a known friction point for overseas applicants.
  • Submit well before deadline — the portal historically slows in the final hours of gong-chae windows when tens of thousands of candidates submit simultaneously.
  • Save your 자기소개서 drafts in a separate document; the portal session can time out, and losing 1,000 characters of carefully edited Korean prose midway through is common.

Interview Culture

Doosan Fuel Cell interviews follow the Doosan Group house style: structured, competency-anchored, and explicitly evaluated against the Doosan People (DP) framework, which emphasizes inhwa (in 화, harmony with people), execution, fundamental thinking, and growth mindset. Expect formal address, business attire, and Korean as the default language unless you are interviewing for a HyAxiom-facing or international BD role. The 1차 panel typically opens with a self-introduction in Korean (one to two minutes), then drills into specific bullets from your 자기소개서 — interviewers will ask follow-ups that test whether the stories you wrote are real and whether you can speak to detail. Technical interviewers will probe fuel cell fundamentals at the right depth for the role: electrochemistry, BoP design, controls, manufacturing process, field service, or quality, depending on the team. Executive 2차 interviews are shorter, more about presence and judgment, and often include a question on why Doosan over competitors (Bloom Energy, FuelCell Energy, Plug Power for stationary; Hyundai Motor Group's hydrogen business for mobility) and why fuel cells specifically over batteries or other clean technologies. Cultural fit weighs heavily: chaebol affiliates evaluate whether you can absorb hierarchy without friction, work the longer hours that surge during plant ramps and PPS tender deadlines, and live in or near Iksan. Saturday work has been declining across Doosan affiliates in line with the 52-hour workweek law, but plant-side overtime during commissioning and tender-response sprints remains common. Be honest about location, language, and lifestyle — interviewers in Iksan have seen too many Seoul-based candidates wash out after six months.

What Doosan Fuel Cell Looks For

  • Demonstrable Korean language fluency (verbal and written) for any Iksan-based role; English-only candidates are a hard sell outside specific HyAxiom-facing positions in Seoul or the US.
  • Hydrogen, fuel cell, electrochemistry, or adjacent power-systems experience — direct PAFC, PEMFC, or SOFC background is ideal, but battery, electrolyzer, gas turbine, CHP, and process engineering backgrounds transfer well.
  • Comfort with the chaebol hierarchy: respect for seniority (선배/후배), willingness to do the unglamorous work in your first year or two, and the patience to earn responsibility incrementally rather than expecting startup-style ownership from day one.
  • Geographic flexibility — willingness to live in or near Iksan (or to commute regularly from Jeonju, Gunsan, or Daejeon via KTX) is effectively a precondition for plant-side roles.
  • Engineering credentials and licensure: 기사 or 기술사 in chemical, mechanical, electrical, energy, or environmental fields; PE for HyAxiom-facing roles; relevant safety certifications for plant operations.
  • A coherent narrative on why Doosan Fuel Cell rather than Doosan Enerbility, Hyundai Motor Group's hydrogen team, SK E&S, POSCO Energy, or a Bloom/Plug/Ballard equivalent — interviewers explicitly ask this and can distinguish a real answer from boilerplate.
  • Comfort with policy- and tender-shaped business cycles: the ability to surge during PPS bid windows and HPS tender responses, then absorb quieter periods between policy waves.
  • For experienced hires, evidence of project ownership end-to-end — full responsibility for a stack, BoP subsystem, plant commissioning, or field service campaign reads more strongly than a long list of partial contributions.

Frequently Asked Questions

Where is Doosan Fuel Cell's headquarters and main plant?
Doosan Fuel Cell is headquartered at the Iksan National Industrial Complex in Iksan City, North Jeolla Province (전북 익산). The Iksan plant handles stack manufacturing, balance-of-plant integration, and commissioning; corporate functions overlap with Doosan Group offices in Seoul (Doosan Tower, Jung-gu) but the company's center of gravity is Iksan.
What ATS does Doosan Fuel Cell use?
Doosan Fuel Cell hires through the unified Doosan Group recruiting portal at recruit.doosan.com — an in-house Korean-language portal shared with all Doosan affiliates. It is not a third-party SaaS like Workday, Greenhouse, SuccessFactors, or Lever. One Doosan account works across every affiliate.
When does Doosan Fuel Cell run gong-chae (open recruitment)?
Doosan Group runs gong-chae approximately twice a year, typically a spring window and an autumn window. Announcement timing varies year to year — watch recruit.doosan.com and the major Korean job sites (사람인, 잡코리아, 인크루트) for the official announcement, and prepare your 자기소개서 in advance because the window is short.
What is HMAT and how should I prepare for it?
HMAT (Doosan Management Aptitude Test) is the group-wide aptitude test for Doosan affiliates. It covers language, numerical reasoning, problem-solving, history and general knowledge, and a personality inventory. Korean test-prep publishers (해커스, 에듀윌, 시대고시) sell HMAT-specific practice books — work through one in the weeks before your scheduled date and time-box every section.
Do I need to speak Korean to work at Doosan Fuel Cell?
For Iksan-based roles, effectively yes — the working language is Korean and the documentation, internal systems, and supplier conversations all default to Korean. HyAxiom-facing roles in Seoul or in South Windsor, Connecticut (HyAxiom's US headquarters) are the main exceptions and operate primarily in English.
What is the relationship between Doosan Fuel Cell and HyAxiom?
HyAxiom is Doosan's US fuel cell subsidiary, headquartered in South Windsor, Connecticut. It traces back to UTC Power, which Doosan acquired in 2014 from United Technologies and operated as Doosan Fuel Cell America until rebranding to HyAxiom in 2022. HyAxiom focuses on PAFC manufacturing and service for the North American market and coordinates closely with Doosan Fuel Cell Korea on stack technology.
Is there union activity at Doosan Fuel Cell?
Doosan group plants historically have meaningful union presence from both 한국노총 (Federation of Korean Trade Unions) and 민주노총 (Korean Confederation of Trade Unions). The specifics at the Iksan fuel cell plant evolve, and you should ask directly during interviews if union representation matters to you. Plan to investigate the current state of labor relations through Korean media and Glassdoor-equivalent sites (잡플래닛, 블라인드) before signing an offer.
What career growth looks like for new graduates?
신입 (entry) hires typically rotate through manufacturing, quality, and field service in the first one to two years before settling into a permanent assignment. Promotion rhythm follows the Korean affiliate norm — 사원 → 대리 → 과장 → 차장 → 부장 — with the early steps roughly every three to four years and slower at higher levels. High performers can move across Doosan affiliates (Enerbility, Robotics, Bobcat) once they have built a track record.
How does Doosan Fuel Cell compare to Bloom Energy, FuelCell Energy, or Plug Power?
Doosan Fuel Cell holds the world's largest installed PAFC capacity, which gives it a unique service-revenue moat that pure US competitors do not have. Bloom Energy is SOFC-focused and US-led; FuelCell Energy is MCFC-focused with a long PPA-based business model; Plug Power is broader (PEM, electrolyzers, hydrogen logistics) and US-based. Doosan's distinctive strengths are PAFC dominance, Korean policy exposure, and the multi-chemistry portfolio (PAFC + PEMFC + SOFC via Ceres) under one roof.
What should I expect for compensation and working hours?
Compensation aligns with the Korean chaebol affiliate band — competitive base, performance bonus tied to company and group results, and standard Korean corporate benefits (housing support, education subsidies, health, severance). Working hours nominally fall under Korea's 52-hour workweek cap, but expect surge periods during plant commissioning, PPS tender responses, and year-end closing. Saturday work has declined across Doosan affiliates in recent years but is not extinct in plant operations.

Open Positions

Doosan Fuel Cell currently has 4 open positions.

Check Your Resume Before Applying → View 4 open positions at Doosan Fuel Cell

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Sources

  1. Doosan Fuel Cell — Corporate Website (English) —
  2. Doosan Fuel Cell — Korean Corporate Website —
  3. Doosan Group Unified Recruiting Portal —
  4. KOSPI Listing — Doosan Fuel Cell (336260) on Korea Exchange —
  5. HyAxiom — Doosan's US Fuel Cell Subsidiary —
  6. Doosan Mobility Innovation — Drone Fuel Cells —
  7. Korea Hydrogen Economy Roadmap — Ministry of Trade, Industry and Energy —
  8. Public Procurement Service (PPS / 조달청) — Korean Public Buyer Portal —
  9. Ceres Power — SOFC Technology Partner —