How to Apply to Ternium Mexico

9 min read Last updated April 20, 2026 5 open positions
Blake Crosley
Blake Crosley Researched using publicly available information, hiring data, and ATS analysis.

Key Takeaways

  • Ternium is Latin America's largest flat steel producer and Mexico is its most important country — half of global output and the anchor for US near-shoring demand.
  • The company is controlled by the Rocca family through Techint Group; expect group-wide culture, hierarchy, and eventual crossover with Tenaris, Tenova, and Techint E&C.
  • Pesquería's $4B+ expansion (new hot rolling mill and DRI plant targeted for 2026) is the single biggest driver of current hiring across engineering, projects, and operations.
  • Apply directly at empleos.ternium.com or ternium.com/en/careers — the portal is the canonical source and is indexed under generic_careers in our system.
  • Spanish is required for Mexico-based roles; strong English is required for corporate/NYSE-facing roles; Italian is a real bonus at group level.
  • Steel is cyclical and politically exposed — Trump-era Section 232 tariffs and USMCA melted-and-poured debates are live risks that can affect hiring tempo.
  • Safety, technical depth, and ownership matter more than charisma in interviews; shallow answers to equipment or process questions are a fast disqualifier.
  • Peer-company experience (Tenaris, ArcelorMittal, Nucor, Cleveland-Cliffs, Steel Dynamics, AHMSA, Simec, Deacero) is recognized and shortens screening.

About Ternium Mexico

Ternium Mexico is the Mexican operating arm of Ternium S.A. (NYSE: TX; BMV: TX; Euronext Luxembourg), Latin America's largest flat steel producer. The Mexican subsidiary is headquartered in Monterrey, Nuevo León (Guadalupe), and runs integrated steelmaking, rolling, and finishing operations at Pesquería (NL), Churubusco (Monterrey), Puebla, and Celaya (Guanajuato). Mexico accounts for roughly half of Ternium's global steel output and is considered the group's most strategic geography because of its proximity to the US auto industry and its position inside the USMCA trade bloc. Ternium sits inside the Techint Group, a privately held Italian-Argentine conglomerate controlled by the Rocca family (currently in its fourth generation) through San Faustín / Techint Holdings, which holds approximately 62% of Ternium. Techint also owns Tenaris (NYSE: TS, seamless steel tubes for energy), Techint Engineering & Construction, Tecpetrol (oil and gas), Tenova (steel technology and equipment), Humanitas (hospitals and healthcare in Italy and Latin America), and Exiros (group procurement). Group chairman Paolo Rocca runs Techint globally; Máximo Vedoya has served as Ternium CEO since 2018. Understanding the Techint ecosystem matters in interviews — internal mobility, vendor relationships, and engineering standards often flow between group companies. Ternium's Mexican product mix is weighted toward flat steel: hot-rolled coil, cold-rolled coil, galvanized, and pre-painted sheet, plus slab and some long products (bars, rebar). The main customers are Mexican auto OEMs — GM México, Volkswagen Puebla, Ford, Toyota, Nissan, Honda, Mazda, Kia, Stellantis, Audi, and BMW San Luis Potosí — followed by white-goods makers like Whirlpool Mexico and Mabe, and construction distributors. The defining corporate story right now is the Pesquería expansion: a reported $4B+ capex program for a new hot rolling mill and a DRI (direct-reduced iron) plant fed by natural gas, targeted for 2026 startup. The project is positioning Ternium for US near-shoring demand and lower-carbon steel for EV platforms. Expect interviews in engineering, maintenance, project management, metallurgy, and supply chain to circle back to Pesquería. Be clear-eyed about cyclicality: steel pricing swings with global demand, scrap and iron-ore inputs, and trade policy. The Trump administration's posture on Section 232 tariffs against Mexican steel, plus ongoing USMCA melted-and-poured rule debates, are live risks. Labor is organized (CTM and SNTIME affiliations at most plants), and USMCA rapid-response exposure is real. This is a serious industrial employer, not a startup.

Application Process

  1. 1
    Apply through the official Ternium careers portal at empleos

    Apply through the official Ternium careers portal at empleos.ternium.com or ternium.com/en/careers — avoid third-party job boards where possible, since the canonical postings sit on the company's own site.

  2. 2
    Create a candidate profile with a Mexican phone number, RFC if available, and a

    Create a candidate profile with a Mexican phone number, RFC if available, and a Spanish-language CV; many plant and engineering roles are posted only in Spanish even when the corporate site is bilingual.

  3. 3
    Expect a recruiter screen within one to three weeks for in-demand technical role

    Expect a recruiter screen within one to three weeks for in-demand technical roles (metallurgy, electrical, automation, project engineers tied to Pesquería) and longer queues for corporate functions in Monterrey.

  4. 4
    Technical roles typically involve a panel with the hiring manager plus one or tw

    Technical roles typically involve a panel with the hiring manager plus one or two senior engineers; case or problem-solving questions are common for process and maintenance engineering.

  5. 5
    Plant-based roles (Pesquería, Churubusco, Puebla, Celaya) require a site visit a

    Plant-based roles (Pesquería, Churubusco, Puebla, Celaya) require a site visit and a medical/occupational-health exam; expect hearing, vision, and fitness-for-duty screening because of the heavy-industrial environment.

  6. 6
    Background and reference checks are standard; Ternium uses external providers an

    Background and reference checks are standard; Ternium uses external providers and will validate titles, tenure, and professional licenses (cédula profesional) for engineers.

  7. 7
    Offers are typically made in writing in Spanish, specify the plant or office of

    Offers are typically made in writing in Spanish, specify the plant or office of assignment, include a relocation package for Pesquería roles coming from outside the Monterrey metro, and reference collective bargaining coverage where applicable.

  8. 8
    New-hire onboarding includes a Techint Group induction covering safety (critical

    New-hire onboarding includes a Techint Group induction covering safety (critical at integrated mills), ethics and compliance, and an introduction to the broader group (Tenaris, Tecpetrol, Tenova).

  9. 9
    Internal referrals from current Ternium, Tenaris, or Techint E&C employees carry

    Internal referrals from current Ternium, Tenaris, or Techint E&C employees carry weight — the group is tightly networked across Argentina, Italy, and Mexico.

  10. 10
    For senior roles, expect at least one interview loop that includes an Argentine

    For senior roles, expect at least one interview loop that includes an Argentine or Italian executive; final sign-off on director-and-above hires often routes through group HR in Buenos Aires or Milan.

Resume Tips for Ternium Mexico

recommended

Write your CV in Spanish as the default; include an English version only if the

Write your CV in Spanish as the default; include an English version only if the posting is explicitly bilingual or corporate-global (finance, IR, legal, commercial export).

recommended

Quantify steel-industry metrics directly: tons per year, OEE, yield, scrap rate,

Quantify steel-industry metrics directly: tons per year, OEE, yield, scrap rate, downtime hours, ppm defect rates, and capex delivered — Ternium recruiters read numbers faster than narrative.

recommended

Name-drop specific equipment and process steps (BOF, EAF, continuous caster, hot

Name-drop specific equipment and process steps (BOF, EAF, continuous caster, hot strip mill, pickling line, tandem cold mill, CGL, CRM, annealing, DRI) where you have genuine experience.

recommended

Call out OEM customer exposure explicitly (GM, VW, Ford, Toyota, Nissan, Stellan

Call out OEM customer exposure explicitly (GM, VW, Ford, Toyota, Nissan, Stellantis, BMW, Audi) and whether you worked to IATF 16949, VDA 6.3, or customer-specific requirements like GM BIQS or Ford Q1.

recommended

If you have Tenaris, Techint E&C, Tenova, ArcelorMittal, Nucor, Cleveland-Cliffs

If you have Tenaris, Techint E&C, Tenova, ArcelorMittal, Nucor, Cleveland-Cliffs, Steel Dynamics, AHMSA, Simec, Deacero, or ICH on your resume, surface it — the group recognizes peer-company experience.

recommended

Highlight project experience relevant to Pesquería expansion: greenfield or brow

Highlight project experience relevant to Pesquería expansion: greenfield or brownfield mill construction, DRI plants, natural-gas-fired reduction, hot rolling commissioning, automation ramp-up, contractor management.

recommended

List certifications concretely: cédula profesional, Six Sigma belts, PMP, TPM, R

List certifications concretely: cédula profesional, Six Sigma belts, PMP, TPM, RCM, ISO 14001/45001, certified welding inspector (CWI/AWS), or SAP PM/PP for maintenance and production.

recommended

For corporate roles, emphasize USMCA trade, Section 232 tariff analysis, transfe

For corporate roles, emphasize USMCA trade, Section 232 tariff analysis, transfer pricing across a multi-country steel group, or IFRS reporting — Ternium is NYSE-listed and reports in English.

recommended

Avoid generic 'results-oriented team player' filler; Ternium hiring managers are

Avoid generic 'results-oriented team player' filler; Ternium hiring managers are engineers and operators and reward specificity.

recommended

Keep the CV to two pages for staff roles and three pages for senior engineering/

Keep the CV to two pages for staff roles and three pages for senior engineering/management; attach a separate project list only if requested.

ATS System: Ternium Careers Portal (generic careers site)

Ternium runs its hiring through a company-branded careers portal at empleos.ternium.com and ternium.com/en/careers rather than a widely recognized third-party ATS like Workday or SuccessFactors. Postings are indexed under the generic_careers provider in our system. The portal is used group-wide in Latin America and shares infrastructure with Techint-affiliated hiring sites.

  • Apply directly through empleos.ternium.com rather than LinkedIn Easy Apply or aggregator sites — the direct portal is the canonical source and avoids profile mismatches.
  • Complete every field, especially RFC, CURP (for Mexican nationals), cédula profesional number for engineers, and salary expectations in MXN; incomplete profiles are filtered out.
  • Upload your CV as a clean PDF with selectable text — no scanned images, no tables that break parsing, no graphics-heavy templates.
  • Use the exact Spanish job title from the posting in your CV headline when it matches your experience (for example, 'Ingeniero de Procesos', 'Supervisor de Mantenimiento', 'Analista de Planeación').
  • Mirror the skill vocabulary from the job description: if the posting says 'laminación en caliente', write 'laminación en caliente', not 'hot rolling' only.
  • If you applied once and didn't hear back, wait at least 90 days before reapplying to the same plant; internal recruiter notes persist across requisitions.
  • Set up saved searches on the portal for Pesquería, Churubusco, Puebla, and Celaya separately — plant requisitions are posted locally and don't always roll up to a national feed.
  • For senior or specialized roles, supplement the portal application with a direct LinkedIn message to a Ternium or Techint Group recruiter; the portal alone can be slow for niche requisitions.

Interview Culture

Ternium interviews feel like a serious industrial company run by engineers — because that is what it is.

Expect structured, technically demanding conversations, especially for plant and engineering roles. Interviewers will probe depth: if you claim experience with a continuous caster, a galvanizing line, or a DRI module, they will ask about specific parameters, failure modes, and how you handled a real incident. Shallow answers are transparent. The cultural register inside Techint Group is formal but direct. Decisions move through clear hierarchies, and there is a strong respect for technical authority and tenure. Argentine and Italian influence is real — senior leaders often rotate through Buenos Aires, Milan, and Monterrey, and meetings may mix Spanish, English, and occasionally Italian. Fluent Spanish is expected for Mexico-based roles; strong English is expected for corporate, commercial, IR, and anything touching the NYSE listing; Italian is a genuine bonus for group-level roles. Safety is not a slogan at Ternium — integrated steel mills are high-hazard environments, and candidates for plant roles will be asked about their personal safety record, near-miss reporting philosophy, and how they handle production pressure versus stopping the line. 'I would call it' is a better answer than 'it depends'. Behavioral questions lean toward ownership, accountability, and working with unionized crews (CTM and SNTIME affiliations are common). Expect questions about Pesquería. Even if you're not applying to the project directly, the expansion touches supply chain, energy, HR, finance, and IT, and interviewers want to know you understand why it matters. Read the most recent Ternium earnings release and 20-F before the interview; mentioning specific capex figures or strategic rationale signals seriousness. Be honest about what you don't know — bluffing about metallurgy or project controls in front of a senior Techint engineer is a fast way to end the process.

What Ternium Mexico Looks For

  • Deep technical fluency in your declared domain — metallurgy, rolling, finishing, automation, electrical, mechanical maintenance, or project engineering — with specific equipment and process experience.
  • Demonstrated safety leadership in heavy-industrial environments; integrated mill experience is weighted more heavily than light-manufacturing or assembly backgrounds.
  • Comfort operating inside a hierarchical, multi-country group where final decisions may route through Buenos Aires, Milan, or Luxembourg rather than Monterrey.
  • Customer literacy with Mexican auto OEMs and the IATF 16949 / VDA 6.3 quality world; tier-one automotive supplier experience translates well.
  • Project execution track record — especially brownfield expansions, commissioning, and contractor management — with Pesquería continuing to drive hiring through 2026.
  • Working Spanish (fluent for Mexico-based roles), strong English for corporate/global, and respect for the fact that this is a NYSE-listed, IFRS-reporting public company.
  • Willingness to relocate to or within the Monterrey metro, Pesquería, Puebla, or Celaya — remote roles are rare and mostly confined to specific corporate functions.
  • Stability and depth of tenure; the group tends to reward long careers and internal mobility more than serial job-hopping.
  • Peer-company pedigree (Tenaris, Tenova, Techint E&C, ArcelorMittal, Nucor, Cleveland-Cliffs, Steel Dynamics, AHMSA, Simec, Deacero, ICH) is a credible shortcut.
  • Trade and policy awareness for commercial, legal, and strategy roles — USMCA, Section 232, melted-and-poured rules, and anti-dumping case exposure all come up.

Frequently Asked Questions

Where is Ternium Mexico headquartered, and where are its main plants?
Ternium Mexico is headquartered in Monterrey, Nuevo León (Guadalupe municipality). Its main industrial sites in Mexico are Pesquería (NL), Churubusco (Monterrey metro), Puebla, and Celaya (Guanajuato). Most corporate and commercial roles sit in Monterrey; plant roles are distributed across the four sites.
Who owns Ternium, and why does that matter for candidates?
Ternium S.A. is publicly listed (NYSE: TX; BMV: TX; Euronext Luxembourg), but it is controlled by the Rocca family's Techint Group through San Faustín / Techint Holdings, which holds roughly 62%. Paolo Rocca chairs Techint globally. It matters because major decisions, capital allocation, and senior hiring are influenced by group governance in Buenos Aires, Milan, and Luxembourg — not only by local Mexico leadership.
What other companies are in the Techint Group?
The main group companies are Tenaris (NYSE: TS, seamless steel tubes for energy), Techint Engineering & Construction, Tecpetrol (oil and gas), Tenova (steel technology and equipment), Humanitas (hospitals and healthcare), and Exiros (group procurement). Internal mobility across these is real, especially between Ternium, Tenaris, and Tenova.
What is the Pesquería expansion and why does it come up in every interview?
Pesquería is Ternium's flagship Mexican site, and the company is investing a reported $4B+ in a new hot rolling mill and a natural-gas-fed DRI plant, targeted for 2026 startup. It is positioning Ternium for US near-shoring, EV-grade flat steel, and lower-carbon production. The project drives hiring across engineering, projects, maintenance, metallurgy, automation, HR, and supply chain, so interviewers expect you to know why it matters.
Is Spanish required? What about English and Italian?
Fluent Spanish is effectively required for Mexico-based roles, including most engineering, operations, and plant positions. Strong English is required for corporate, commercial, legal, finance, IR, and any role touching the NYSE listing or global customers. Italian is not required but is a genuine bonus at group level because of the Rocca family and Techint Milan footprint.
How cyclical is Ternium, and what are the main policy risks?
Steel is a classic cyclical industry — earnings move with global demand, iron ore and scrap prices, energy costs, and trade policy. The most acute policy risks right now are US Section 232 tariff posture on Mexican steel under the Trump administration, USMCA melted-and-poured debates, and anti-dumping cases. Candidates should expect hiring tempo to react to these cycles; this is not a recession-proof employer.
Who are Ternium's main competitors in Mexico and the US?
In Mexico, the main competitors are ArcelorMittal México (the former Lázaro Cárdenas integrated mill), Altos Hornos de México (AHMSA, whose assets are being sold out of 2022 bankruptcy), Simec, Deacero (long products), ICH, Tyasa, and Grupo Acerero. In the US, relevant peers for comparison are Nucor, US Steel, Cleveland-Cliffs, Steel Dynamics, and ArcelorMittal's US arm. Algoma Steel is a Canadian peer.
Which customers matter most?
Mexican auto OEMs drive the flat-steel business: GM México, Volkswagen Puebla, Ford, Toyota, Nissan, Honda, Mazda, Kia, Stellantis, Audi, and BMW San Luis Potosí. White-goods customers like Whirlpool Mexico and Mabe, plus construction distributors, round out demand. IATF 16949 and VDA 6.3 quality fluency is valuable.
Is Ternium unionized, and how does that affect hiring?
Yes — most Ternium Mexico plants have union representation, predominantly CTM-affiliated, with SNTIME (mining and metallurgy union) also present. Supervisory and management roles work with unionized crews daily, and USMCA rapid-response mechanism exposure is a real compliance topic. Candidates for plant supervision should be prepared for questions about working with organized labor.
What ATS does Ternium use, and where should I apply?
Ternium uses a company-branded careers portal rather than a widely known third-party ATS like Workday or SuccessFactors. Apply at empleos.ternium.com or ternium.com/en/careers. In our system it is indexed under the generic_careers provider. Avoid applying through aggregators only — the direct portal is the canonical source.
What types of roles are hiring most actively right now?
Hiring is weighted toward Pesquería-related engineering and projects — process engineers, automation and electrical engineers, mechanical maintenance leads, metallurgists, DRI and hot-mill commissioning specialists, and project controls. Corporate functions in Monterrey (finance, legal, IT, supply chain, trade compliance) also hire steadily. Commercial and technical sales roles follow auto OEM demand.
What kind of resume pedigree does Ternium recognize?
Peer-company experience is a credible shortcut: Tenaris, Tenova, Techint E&C, ArcelorMittal, Nucor, Cleveland-Cliffs, Steel Dynamics, Algoma Steel, AHMSA, Simec, Deacero, ICH, Tyasa. Tier-one automotive supplier experience (with IATF 16949 and VDA 6.3) also translates well. Generic manufacturing backgrounds without heavy-industrial or steel depth face a harder path into plant roles.

Open Positions

Ternium Mexico currently has 5 open positions.

Check Your Resume Before Applying → View 5 open positions at Ternium Mexico

Related Resources

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Sources

  1. Ternium — Official corporate site —
  2. Ternium Careers Portal (Mexico) —
  3. Ternium Careers (English) —
  4. Ternium S.A. — NYSE listing (TX) —
  5. Techint Group — Official site —
  6. Tenaris — NYSE-listed Techint Group sister company —
  7. Ternium — Pesquería industrial center (Nuevo León) —
  8. Ternium — Investor Relations and filings —
  9. US Section 232 steel tariff measures — USTR —
  10. USMCA / T-MEC — Mexican Ministry of Economy —
  11. IATF 16949 — Automotive quality management standard —
  12. CANACERO — Cámara Nacional de la Industria del Hierro y del Acero —