Senior Mechanical Engineer

Merlin Labs

. Design, integrate, and test avionics and control components for aircraft and test labs .

Posted 10/2/2026full-timeBoston • Massachusetts • United StatesSenior💰 $150,000 - $200,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Mechanical, Electro-Mechanical, or Aerospace Engineering with a strong focus on system integration, design, and testing of avionics and control components. Proficient in advanced modeling tools and methodologies, with a solid understanding of industry standards and hands-on capabilities in mechanical assembly and testing.

Highest-signal resume keywords

BS In Mechanical EngineeringAdvanced Modeling Experience With SolidWorksSystem Integration Design And AnalysisExperience Leading Engineering ActivitiesWorking Knowledge Of RTCA DO-160

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Avionics DesignSystem IntegrationMechanical DesignStress AnalysisModel AnalysisTest Plan CreationData AnalysisGD&T ApplicationElectro-Mechanical SystemsEMI/EMC Design

Soft Skills

Outstanding Organization SkillsAnalytical SkillsProblem-Solving SkillsExcellent Communication Skills

Tools & Technologies

SolidWorksCatiaOnShapeFusion360CreoOscilloscopesMultimetersData AcquisitionBus Analyzers

Industry Keywords

RTCA DO-160DO-254MIL-STD-810Mechanical AssemblyWeight-Critical Systems

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Design, integrate, and test avionics and control components for aircraft and test labs
Oversee and/or perform system integration design and analysis, including stress and model analyses
Provide CAD work supporting design activities and apply industry best practices for GD&T
Support component, system development, and system certification testing
Create test plans, analyze data, and generate test reports and documentation
Prepare and coordinate mechanical design and fabrication drawings and related documents
Travel up to 25–50%, sometimes on short notice, to domestic and international locations for aircraft and system integration and testing

Requirements

What you’ll need

BS in Mechanical, Electro-Mechanical, or Aerospace Engineering and 5+ years technical work experience
Advanced modeling experience with SolidWorks, Catia, OnShape, Fusion360, or Creo
Experience with rapid design cycles from concept through detailed design, build, and test
Experience leading engineering activities including mechanism design, controls design and analysis, environmental analysis, and structural analysis
Outstanding organization, analytical, and problem-solving skills
Excellent written, verbal, and presentation communication skills
Working knowledge of RTCA DO-160, DO-254, and MIL-STD-810 (nice to have)
Hands-on lab/field capability, including SMT soldering, drilling, hand tools, and mechanical assembly (nice to have)
Experience with electro-mechanical systems, motors, and EMI/EMC design and qualification testing (nice to have)
Expertise in weight-critical, high-performance mechanical systems interface management (nice to have)
Familiarity with oscilloscopes, multimeters, current probes, data acquisition, and bus analyzers (nice to have)
Must be authorized to work in the United States without visa sponsorship now or in the future
Must pass background and reference checks

Benefits

Comp & perks

Catered lunches with rotating menu
Snacks and beverages, including coffee and tea
Health insurance
Dental insurance
Life insurance
Flexible paid time off
401(k) with match
Work/life integration
Professional development support
Entrepreneurial and team-focused startup environment