Lead Mission Systems Engineer

Cimarron Software Services, Inc.; Seal Beach (CA); On-site; USD 200,000 - 280,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) with company matching

Educational reimbursement

Paid time off

Wellness program

Job summary

Cimarron Software Services, Inc. seeks a Lead Mission Systems Engineer to join a high‑visibility program in Seal Beach, CA. The role offers options to work from El Segundo, Aurora, or Herndon to support development of advanced space vehicles.

The candidate will lead technical teams, develop simulations, and present reviews to leadership. Requires TS/SCI, U.S. citizenship, and a BS in a related field with 7+ years of SE experience.

Qualifications

• U.S. citizens only (as required by facility security).
• Active TS/SCI security clearance required.
• Bachelor of Science in a related engineering or technical field required.
• 7+ years of systems engineering experience.
• 2+ years in a technical leadership role.

Responsibilities

• Support integration and development of first‑of‑kind space vehicles and missions.
• Develop and present review packages to senior leadership.
• Develop physics-based mission simulations and perform system trade studies.
• Create mission flight plans and concepts for astrodynamics approaches.
• Develop and maintain operational mission planning tools.

Skills

MATLAB

Python

Systems engineering

Leadership

Education

B.S. in Engineering/Engineering Technology/CS/Data Science/Physics/Math

Tools

MBSE

Job description

Posting/External Job Title

Location

Remote/Onsite/Hybrid

100% Onsite

Job Type

Full-time

# of Hires Needed

1

Education

Bachelor's Degree

Travel

None

Security Clearance Required

TS/SCI

Pay Range (All offers will be based on experience)

$200,000.00-$280,000.00/yr

Position Introduction/Key Duties

Cimarron is seeking a Lead Mission Systems Engineerto join an exciting program located in Seal Beach, CA; with options to work from El Segundo, CA, Aurora, CO or Herndon, VA to support development of new first-of-kind space vehicles and missions.

Key Duties:

• Support technology integration for and development of first-of-kind space vehicles and missions.
• Develop and present review packages to internal and external senior leadership.
• Work proactively and independently in a fast-paced, demanding atmosphere.
• Develop physics-based mission simulations to inform system trade studies and verify system performance.
• Develop mission flight plans/concepts exploring new and novel astrodynamics approaches.
• Develop and maintain operational mission planning tools.

Required Skills, Experience, and Education:

• Due to facility security requirements, only U.S. citizens are eligible for consideration at this time.
• Ability to complete a pre-employment background check and drug screening, which will include, but is not limited to, testing for marijuana use.
• This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire. If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID.
• Must have an active TS/SCI security clearance.
• Proficiency with MATLAB, Python, or comparable software language.
• 7 or more years of systems engineering experience.
• 2 or more years of experience in a technical leadership position (Engineering Lead, IPT, Technical Project Manager, etc).
• Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement.

Desired Skills, Experience, and Education:

• Proficiency in Model Based Systems Engineering (MBSE).
• Proficiency developing control algorithms, models, and simulations.
• Proficiency in space environments, mission design, or astrodynamics.
• Experience working with cross-functional teams and external customers.
• Experience in spacecraft, launch vehicles, or highly autonomous unmanned system.

Business Profile:

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.

Resumes should list employment dates in month/year format (e.g., January 2020 – March 2024) for each position to meet customer and contract documentation requirements.

Cimarron offers an outstanding Benefits Package including:

• Major Medical and Hospitalization
• Vision Care
• Preventive Care
• Ancillary Benefits
  • Life Insurance and AD&D
  • Short-Term Disability Insurance
  • Voluntary Long-Term Disability Insurance
  • Voluntary Additional Life and Dependent Life Insurance
• 401(k) with Company Matching
• Flexible Spending Accounts
• Direct Deposit
• Other Benefits
  • Paid Time Off (PTO) and Holiday Leave
  • Education Reimbursement
  • Wellness Program