Mechanical Engineer I – Environmental, Propulsion

Sierra Space

. Support an engineering team developing environmental and propulsion spaceflight systems .

Posted 10/9/2026full-timeMadison • Wisconsin • United StatesJuniorMid-Level💰 $70,213 - $96,543 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates a foundational understanding of Mechanical Engineering principles and practices, with hands-on experience in mechanical systems, 3D CAD modeling, and technical documentation. Capable of effective communication and collaboration within cross-functional teams to support engineering objectives.

Highest-signal resume keywords

Mechanical Engineering Principles3D CAD ModelingTechnical DocumentationProblem-Solving SkillsTeam Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical EngineeringFluid SystemsPressure Control SystemsGD&TData Analysis3D PrintingDesign MethodsTest MethodsManufacturing ProcessesMaterial Sciences

Soft Skills

Attention to DetailClear CommunicationEagerness to LearnTeamworkAdaptability

Tools & Technologies

Microsoft ExcelMicrosoft PowerPointSiemens TeamcenterNX Applications

Industry Keywords

Environmental SystemsPropulsion SystemsEngineering StandardsTechnical ConceptsCross-Functional Teams

About the role

Key responsibilities & impact

Support an engineering team developing environmental and propulsion spaceflight systems
Assist in the analysis, design, and evaluation of mechanical, fluid, and pressure control hardware and systems
Collect and analyze data to support engineering objectives based on performance requirements and industry standards
Contribute to resolving routine technical problems
Prepare technical documentation to communicate findings and support project objectives
Work within cross-functional teams to achieve project goals and meet deadlines
Communicate technical concepts and information verbally and in writing to ensure alignment and collaboration

Requirements

What you’ll need

Bachelor’s degree in a related field or equivalent work experience in lieu of degree
Typically entry-level 0–2 years of experience
Basic understanding and application of Mechanical Engineering technical principles, standards, theories, and concepts
Familiarity with 3D CAD modeling and 2D drawing concepts
Working knowledge of Microsoft Excel and PowerPoint
Strong problem-solving skills and attention to detail
Ability to work in a team and follow guidance from senior engineers
Clear verbal and written communication of technical concepts and information
Eagerness to learn and develop new skills in a collaborative and dynamic work environment
Internship or co-op experience in a mechanical engineering or related environment
Hands-on mechanical experience such as an engineering competition team, senior design project, robotics, or 3D printing
Familiarity with Siemens Teamcenter and NX applications and GD&T
Familiarity with design, analysis, and test methods related to mechanical, fluid and/or pressure systems
Familiarity with manufacturing processes, material sciences, and their impact on mechanical systems

Benefits

Comp & perks

Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Personal and professional development opportunities
Reasonable accommodations for applicants with disabilities