Space Systems Integration Engineer

Modern Technology Solutions, Inc. (MTSI); El Segundo (CA); On-site; USD 165,000 - 205,000; Full time

Job summary

Modern Technology Solutions, Inc. (MTSI) seeks an experienced Space Systems Integration Engineer to provide technical leadership across space vehicle development, integration, launch preparation, and on-orbit operations in support of Space Systems Command.

You will guide design, integration, test, and mission readiness, ensure SSC guidance compliance, and work with government SPOs and multiple contractors. A Top Secret clearance with SCI/SAP eligibility is required.

Qualifications

• Bachelor’s degree in engineering or related STEM field or four additional years of experience.
• 9+ years experience in systems engineering, space-vehicle development, integration, and test.
• Experience with interface management, ICD development, and end-to-end system integration.
• Experience with launch vehicle mission interfaces, satellite test/processing, and launch readiness activities.
• Experience supporting U.S. Government SPOs and multi-contractor environments.
• Clearance: Active Top Secret Clearance and ability to acquire SCI / SAP Access

Responsibilities

• Assess space-vehicle design, development activities, and integration readiness.
• Review test plans, procedures, specifications, and technical orders to identify interface or integration issues.
• Observe assembly, integration, and test (AIT) activities for both primary spacecraft and Auxiliary Payloads (APLs).
• Support requirements tracking, verification, and reporting of technical and schedule risks.
• Lead coordination and oversight of spacecraft, payload, and launch vehicle integration—including multi- payload and multi-orbit missions, rideshare adapters, boosters, and CubeSat deployers.
• Review integration plans/procedures and observe integration execution.
• Support deviation/waiver processing, milestone development, and risk-management activities.

Skills

Systems engineering

Space systems

Integration & testing

Interface management

ICD development

End-to-end integration

Launch readiness

SPOs & multi-contractor environments

Security clearance

Education

Bachelor’s degree in engineering or related STEM field

Job description

Overview

MTSI is seeking a highly experienced Space Systems Integration Engineer to provide advanced technical leadership across space vehicle development, integration, launch preparation, and on-orbit operations in support of Space Systems Command (SSC). You will support all phases of mission development—design, integration, launch readiness, and operations—while ensuring compliance with required SSC guidance, policies, and mission standards.

Key Responsibilities

Satellite Development, Integration, and Test

• Assess space-vehicle design, development activities, and integration readiness.
• Review test plans, procedures, specifications, and technical orders to identify interface or integration issues.
• Observe assembly, integration, and test (AIT) activities for both primary spacecraft and Auxiliary Payloads (APLs).
• Support requirements tracking, verification, and reporting of technical and schedule risks.

Payload, Spacecraft & Launch Vehicle Integration

• Lead coordination and oversight of spacecraft, payload, and launch vehicle integration—including multi- payload and multi-orbit missions, rideshare adapters, boosters, and CubeSat deployers.
• Review integration plans/procedures and observe integration execution.
• Support deviation/waiver processing, milestone development, and risk-management activities.

Required Qualifications

• Bachelor’s degree in engineering or related STEM field (or four additional years of experience in lieu of degree).
• 9+ years experience in systems engineering, space-vehicle development, integration, and test.
• Experience with interface management, ICD development, and end-to-end system integration.
• Experience with launch vehicle mission interfaces, satellite test/processing, and launch readiness activities.
• Experience supporting U.S. Government SPOs and multi-contractor environments.
• Clearance: Active Top Secret Clearance and ability to acquire SCI / SAP Access

Preferred Qualifications

• Experience with multi- payload missions, rideshare operations, or multi-orbit deployment strategies.
• Familiarity with EELV/NSSL launch vehicles and launch-site processing flows.
• Experience developing program plans, schedules, earned value metrics, and integration risk assessments.
• Strong ability to negotiate technical interfaces and coordinate responsibilities across distributed mission partners.

Pay and Benefits

The pay range for this position in California is $165,000/year to $205,000/year; however, base pay offered may vary depending on established government contract wages, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location.