Senior Mechanical Engineer

InvestedintheMission; Berthoud (CO); On-site; USD 110,000 - 136,000; Full time

Benefits offered by this job

Unlimited PTO

Parental and adoptive leave

Medical, dental and vision insurance

401k with company match

Equity grants

HSA/FSA

Disability insurance

Life & AD&D

Employee assistance program

Flexible benefit options

Job summary

Ursa Major is seeking a talented Mechanical Engineer in Colorado to support manufacturing and assembly of subsystems for solid rocket motors. You will execute robust mechanical solutions, develop P&ID and perform FEA, owning projects from requirements through activation.

The role requires 5+ years in aerospace or related industries, CAD proficiency (NX/SolidWorks/Creo/CATIA), and strong documentation skills. On-site position with competitive compensation and benefits.

Qualifications

• Bachelor’s degree or higher in Mechanical Engineering or a related field.
• 5+ years of engineering experience, preferably in aerospace, automotive, or manufacturing environments.
• Proficiency in mechanical system design and hands-on fabrication or assembly.
• Experience with P&ID creation and interpretation.
• Strong FEA experience using ANSYS, Abaqus, or similar.
• CAD proficiency (Siemens NX, SolidWorks, Creo, CATIA, or equivalent).
• Familiar with pneumatic, hydraulic, and electrical subsystems integration.
• Ability to produce clear technical docs, SOPs, and work instructions.

Responsibilities

• Design and Develop Support Systems related to the manufacturing of Solid Rocket Motors
• Upgrade and Improve Existing Equipment
• Lifecycle Project Ownership by leading project from initial requirement gathering through commissioning
• Integration with Tooling and Lifting Devices
• Component Selection and System Integration
• Structural Analysis using FEA
• Documentation & Work Instructions using SOPs and assembly processes
• Cross-functional Collaboration across technical teams
• Ensure Safety & Compliance standards are upheld

Skills

P&ID creation

FEA

CAD software

Project management

Documentation

Problem solving

Communication

Education

Bachelor's degree in Mechanical Engineering

Tools

Siemens NX

SolidWorks

Creo

CATIA

ANSYS

Job description

The future of aerospace and defense starts here.

Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hypersonics to solid rocket motors, satellite maneuvering and launch. We design and deliver propulsion and defense systems that solve the most urgent and critical national security demands.

Ursa Major is seeking a talented and driven Mechanical Engineer to support the manufacturing and assembly of subsystems, used in solid rocket motor manufacturing.

The ideal candidate will excel at delivering robust complex mechanical solutions to improve quality, efficiency, and safety across production. This role demands a strong ability to understand and generate Piping and Instrumentation Diagrams (P&ID), employ finite element analysis (FEA), and maintain ownership through the entire lifecycle of projects from initial requirements to operational activation.

Key Responsibilities

• Design and Develop Support Systems related to the manufacturing of Solid Rocket Motors
• Upgrade and Improve Existing Equipment
• Lifecycle Project Ownership by leading project from initial requirement gathering through commissioning
• Integration with Tooling and Lifting Devices
• Component Selection and System Integration
• Structural Analysis using FEA
• Documentation & Work Instructions using SOPs and assembly processes
• Cross-functional Collaboration various technical skillsets
• Ensure Safety & Compliance standards are upheld
• Other duties as assigned

Qualifications

• Bachelor’s degree or higher in Mechanical Engineering or a related field.
• 5+ years of engineering experience, preferably in aerospace, automotive, or manufacturing environments.
• Demonstrated proficiency in mechanical system design and hands‑on fabrication or assembly.
• Experience with P&ID creation and interpretation.
• Strong capability in Finite Element Analysis (FEA) using software such as ANSYS, Abaqus, or similar.
• Proficiency with CAD software (Siemens NX, SolidWorks, Creo, CATIA, or equivalent).
• Familiar with design, specification, and integration of pneumatic, hydraulic, and electrical subsystems.
• Proven ability to generate clear technical documentation, work instructions, and SOPs.
• Self-starter with excellent problem‑solving, organizational, and communication skills.
• Experience managing projects through complete product lifecycles is highly preferred.

Preferred Qualifications

• Prior experience with rocket propulsion or energetics manufacturing.
• Knowledge of controls, automation, and instrumentation.
• Familiarity with quality systems such as AS9100 or ISO 9001.

Colorado law requires us to tell you the base compensation range of this role, which is $110,000 - $136,000, determined by your education, experience, knowledge, skills, and abilities. What we can't quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy.

Classification: Full-time Exempt

Benefits Include: (Please note, Interns are not eligible for benefits)

• Unlimited PTO - Vacation, Sick, Personal, and Bereavement
• Paid Parental and Adoptive Leave
• Medical, Dental and Vision Insurance
• Tax Advantage Accounts (HSA/FSA)
• Employer Paid Short and Long Term Disability, Basic Life, AD&D
• Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
• EAP Program
• Retirement Savings Plan - 401k with Company Match
• Equity Grants in the Company

Research suggests that women and BIPOC individuals may self-select out of opportunities if they don't meet 100% of the job requirements. We encourage anyone who believes they have the skills and the drive necessary to succeed here to apply for this role.

Must be a U.S. Person (this includes U.S. Citizens and Permanent Residents).

Eligibility to obtain and maintain a U.S. Security Clearance.

We’re an equal-opportunity employer. You will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.