NDT Jobs & Salaries in Ulsan, South Korea
The NDT job market in Ulsan is shaped directly by its industrial base — Shipbuilding (largest in the world), Refining, Petrochemical. Major employers and asset owners in the area include HD Hyundai Heavy Industries Ulsan Shipyard, SK Energy Ulsan Refinery (Korea's largest), S-Oil Ulsan Refinery, all of which run continuous inspection programs and rotate inspection contractors against multi-year MSAs. Code authorities most often cited in local procurement specifications are KR (Korean Register), DNV / ABS / LR, KOSHA, so any inspector hunting work in Ulsan should expect those references in interviews and pre-qualification packages. Wages track close to the national median for inspectors, with overtime making up the variable component. A recurring local theme: "HD HHI Ulsan launches new hulls on a weekly cadence — class-society NDT records (KR, DNV, ABS, LR) layer onto each hull, and a single instrument-cal record gap reverberates across multiple class books." Beyond the top-of-mind names, the deeper bench in Ulsan includes Hyundai Motor Ulsan, Korea Shipbuilding & Offshore Engineering (KSOE), Daewoo Shipbuilding (DSME) Geoje 100km — these are the employers that pre-qualification managers screen most often when filling rotational openings. BLS-anchored Level II wages in Ulsan run around $54,000/yr; Level III with API endorsements layers on to roughly $88,000/yr — the gap between the two is the single biggest reason local inspectors pursue Level III. Jurisdictional layer matters here: KS B 0816 (UT) and KS Industrial Standards apply on top of the federal/national codes, and missing the local-authority reference on a procedure submission is a common rejection reason for first-time-into-Ulsan contractors. One angle that differentiates Ulsan from peer markets: Hyundai Ulsan shipyard — LNG carrier / FPSO building drives massive NDT scope. Turnaround calendar: Spring TARs Apr-May; Autumn TARs Sep-Oct — the inspection workforce flexes hard against this rhythm and overtime stacks during those windows.
Local industries
Top local employers / asset owners
- • HD Hyundai Heavy Industries Ulsan Shipyard (Shipbuilding)
- • SK Energy Ulsan Refinery (Korea's largest) (Refinery)
- • S-Oil Ulsan Refinery (Refinery)
- • Hyundai Motor Ulsan Plant (Auto manufacturing)
Methods most-used locally
UT thickness; MT; PT; class-society RT; PAUT for high-temperature piping; RT on weld repairs; MT/PT on critical welds; PAUT.
| Role | Pay (USD) |
|---|---|
NDT Trainee / Helper 0-1 yrs • No certification yet; pursuing ASNT Level I | $38K–$50K |
ASNT Level I Technician 1-2 yrs • ASNT NDT Level I in one or more methods | $48K–$65K |
ASNT Level II UT/RT/MT/PT Inspector 3-6 yrs • ASNT NDT Level II in primary method(s) | $60K–$92K |
PAUT/TOFD Technician 4-8 yrs • ASNT Level II UT plus PAUT and/or TOFD endorsement | $78K–$115K |
API 510 / 570 / 653 Inspector 5+ yrs • API 510, 570, or 653 individual certifications | $88K–$135K |
ASNT Level III / NDE Engineer 8-15 yrs • ASNT NDT Level III in multiple methods | $110K–$175K |
Certifications worth holding for the Ulsan market
- ASNT NDT Level II in your primary method (UT or RT is the most marketable starting point)
- AWS CWI plus ABS / DNV / LR class-society approvals
- API 510 (pressure vessel) — turnaround season is gated by the count of API 510 inspectors a contractor can field
- API 570 (in-service piping) — table-stakes for any piping-circuit inspection work
- API 653 (above-ground storage tank) — required for tank shell, floor, and roof inspection scopes
- ASNT Level III in your primary method (the credential that unlocks procedure approval and inspector certification)
Application checklist
- Photo of your current ASNT (or ISO 9712 / NAS 410) certification card and the underlying written practice that issued it.
- Proof of relevant API certifications (510 / 570 / 653) if you are applying to Ulsan refining, petrochemical, or pipeline work.
- Documented vision examination (current within 12 months) and physical / colour-perception test as required by your written practice.
- A method-by-method experience log totalling the hours required by your level (e.g. 1,600 h for Level II UT under SNT-TC-1A).
- OSHA 10 (or 30) construction safety card; many petrochemical sites also require TWIC, BROWZ, ISN, or Avetta enrollment.
- Procedure-writing samples if applying for Level III or NDE engineer roles — at minimum a UT or RT procedure you authored.
- A signed reference from a Level III or supervising inspector who can vouch for your hands-on experience hours.
Frequently asked
What's the entry-level NDT salary in Ulsan?
Entry-level NDT trainees in Ulsan start around $25K-$36K (BLS-anchored regional band). Once ASNT Level I certifications come in (typically 6-12 months), base pay steps to ~$36K-$54K, with turnaround overtime layering on top.
Which NDT certifications are most in-demand in Ulsan?
ASNT NDT Level II in your primary method (UT or RT is the most marketable starting point); AWS CWI plus ABS / DNV / LR class-society approvals; API 510 (pressure vessel) — turnaround season is gated by the count of API 510 inspectors a contractor can field — these are the certifications that show up most often in local procurement and pre-qualification packages. Note also KS B 0816 (UT) and KS Industrial Standards — local code references that procurement managers expect inspectors to be familiar with.
Are remote / travel NDT roles available out of Ulsan?
Yes. Most Ulsan-based inspection contractors run a mix of local turnaround work and travel-rotation positions to other regions; a willingness to mobilise is one of the fastest ways to break into the industry from a Level I background.
Who are the largest NDT employers in Ulsan?
The biggest single employer of NDT inspectors in Ulsan is Hyundai Heavy Industries Ulsan; the broader top-five typically also includes SK Energy Ulsan Refinery, S-Oil Onsan Refinery, Hyundai Motor Ulsan, Korea Shipbuilding & Offshore Engineering (KSOE). Pre-qualification with the top three names unlocks the bulk of the local volume.
What makes the Ulsan NDT market different from neighbouring cities?
Hyundai Ulsan shipyard — LNG carrier / FPSO building drives massive NDT scope Combined with: sk energy ulsan is asia's largest single-site refinery. These local specialties shape the kinds of credentials that get hired here vs. neighbouring metros.
When does NDT hiring spike in Ulsan?
Hiring follows the local turnaround calendar: Spring TARs Apr-May; Autumn TARs Sep-Oct. Recruitment for these surge periods typically opens 60-90 days ahead, so positioning your resume by January for a spring TAR or July for an autumn TAR is the most effective approach.
NDT Training in Ulsan
Local courses, fees, and accreditation pathways feeding the same employer base.
NDT Services in Ulsan
The companies hiring inspectors — see the local service catalogue.
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