Lead Mechanical Engineer – Costing & Quoting

Location: Sofia, Bulgaria

Department: Operations, EU

In this role, you will provide technical leadership to the engineering and sourcing teams, ensuring accurate manufacturing cost assessments and high-quality quotations. You will act as the primary technical expert for complex parts and critical commercial opportunities, support customer and manufacturing partner discussions, and help engineers develop their technical expertise.

This position combines strong mechanical and manufacturing engineering knowledge with sound technical judgment, leadership, and communication skills.

How You’ll Contribute:

• Provide technical leadership and guidance to engineers involved in sourcing, cost estimation, and quoting

• Act as the primary technical expert for complex projects and critical commercial opportunities

• Review CAD models and technical drawings to assess manufacturing complexity, feasibility, and production requirements

• Guide the selection of manufacturing processes, materials, and post-processing methods

• Review and validate the technical content of quotations, including manufacturing assumptions, cost calculations, and specifications

• Lead technical discussions with customers and manufacturing partners to clarify requirements, resolve challenges, and align on feasible solutions

• Oversee the assignment of technical tags and ensure consistent categorization of parts by process, material, and complexity

• Support the team in prioritizing complex requests and resolving technical escalations

• Mentor junior engineers, share manufacturing knowledge, and provide constructive feedback on their assessments

• Improve technical review practices, quoting consistency, and collaboration between Engineering, Sourcing, and Sales

What You’ll Bring to Xometry:

• Education: Higher technical education in Mechanical Engineering, Manufacturing Engineering, or a related field

• Manufacturing Experience: Proven experience in a manufacturing environment involving complex parts, components, or products

• Leadership Experience: Previous experience as a technical lead, lead engineer, or senior engineer providing guidance to others

• Technical Expertise: Strong knowledge of machining and fabrication processes, including CNC turning and milling, sheet metal processing, cutting, and welding

• Cost Estimation: Experience assessing manufacturing costs, including materials, machining time, tooling, and post-processing

• Drawing & CAD Interpretation: Ability to review 3D CAD models and 2D technical drawings, identify manufacturing challenges, and evaluate proposed solutions

• Technical Judgment: Ability to validate quotations, identify missing information, and explain technical assumptions clearly

• Language: English proficiency at B1–B2 level

• Communication: Ability to lead technical discussions with customers, manufacturing partners, and internal teams

• Mentoring: Ability to support engineers’ development through practical guidance and knowledge sharing

• Prioritization: Ability to remain effective under pressure and manage multiple requests and competing priorities

What We Offer:

• Fully remote work at first, later in Sofia - hybrid (3 days from office) once the office is opened

• Flexible schedule: Plan your working day around collaboration with teams in the US Eastern Time Zone

• Technical ownership: Take the lead on complex manufacturing challenges and help shape technical decisions

• Leadership impact: Mentor engineers, share your expertise, and improve the way the team works

• International collaboration: Work with colleagues, customers, and manufacturing partners across markets

• Company-provided equipment: laptop

• Holiday calendar: EU or local holidays, depending on your location

Holiday Calendar:

• EU or local holiday calendar

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