Mission Integration Engineer - Payload I&T
Join Apex as a Mission Integration Engineer to lead payload integration and testing for innovative spacecraft.
Posted by employer 21 hours ago
First seen on Joblaze 8 hours ago
Last verified on the company career page 8 hours ago
What you'll build
- Plan space vehicle I&T campaigns
- Develop bus to payload integration procedures
- Execute space vehicle level environmental testing
- Support space vehicle propulsion load operations
- Collaborate with multidisciplinary teams
Must have
- U.S. Person status
- Bachelor's degree in Aerospace, Mechanical, Electrical Engineering or related field
- 3+ years of experience working on complex hardware systems
Nice to have
- Previous spacecraft, launch vehicle, or payload engineering experience
- Experience with CubeSat or small satellite integration
- Familiarity with flight software and space communications protocols
Requirements
- Experience
- 3+ years
- Education
- Bachelor's degree
- Visa
- Sponsorship available
Not disclosed in this posting: compensation.
Benefits
Joblaze summary
The Mission Integration Engineer at Apex Space is responsible for planning and executing payload integration and testing campaigns for spacecraft, ensuring that customer missions are effectively supported. This role requires expertise in space systems integration, environmental testing, and collaboration with cross-functional teams, making strong communication and organizational skills essential. Ideal candidates will have a background in aerospace or related fields, with at least three years of experience in complex hardware systems. Apex, a rapidly growing startup, emphasizes a collaborative work environment and values employee development.
Joblaze insights
- Listed today — first seen on Joblaze October 17, 2026. Last confirmed on Apex Space's careers page October 17, 2026.
- This exact title is also open at 1 other location at Apex Space: Los Angeles.
Quick facts
- Is the Mission Integration Engineer - Payload I&T role remote?
- No — this is an on-site role in Los Angeles, United States.
- How much experience is required?
- At least 3 years of relevant experience for this Mission Integration Engineer - Payload I&T role.
- Where is the role based?
- Apex Space is hiring for this position in Los Angeles, United States.
- Does Apex Space sponsor work visas for this role?
- Yes — the posting indicates visa sponsorship is available for the right candidate.
- What seniority level is this role?
- Apex Space targets mid-level candidates for this position.
- Is this full-time or contract?
- Full-time for this Mission Integration Engineer - Payload I&T role at Apex Space.
From the original posting
About the Role
Apex is seeking a Mission Integration Engineer specializing in Payload Integration & Test to join our expanding team. The Mission Integration team turns our foundational spacecraft platform into the backbone of customer missions. It is a hands-on role owning the planning and execution of customer payload integration and SV level test campaigns.
Responsibilities
• Own the planning of space vehicle I&T campaigns and drive execution on the cleanroom floor.
• Work directly with customers to develop bus to payload integration procedures.
• Plan and execute space vehicle level environmental testing, including random vibration, quasi-static load, and TVAC.
• Plan and execute SV level functional testing to demonstrate integrated vehicle functionality.
• Support space vehicle propulsion load operations for dynamic testing and launch.
• Review results of coupled loads analysis (CLA) and thermal analysis for incorporation into test planning.
• Travel to launch sites for vehicle integration, system checkouts, and launch rehearsals.
• Develop and maintain customer system-level documentation, including specifications, interface control documents, and system design descriptions.
• Support requirements analysis, verification, and validation activities to ensure compliance with customer needs and industry standards.
• Identify and assess technical risks associated with system design, development, and operation.
• Collaborate with multidisciplinary teams, including electrical, mechanical, and software engineers, to ensure system integration and performance.
• Communicate technical concepts, requirements, and issues clearly and concisely to both technical and non-technical stakeholders.
• Participate in customer meetings, design reviews, and project status updates.
Requirements
• U.S. Person status, as this position needs access to export-controlled data.
• Bachelor's degree or higher in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related field.
• 3+ years of experience working on complex hardware systems (spacecraft preferred).
• Experience in satellite manufacturing or related industries (aerospace, defense, or high-tech).
• Strong understanding of space systems integration and test.
• Experience coordinating cross-functional teams and managing timelines in a fast-paced environment.
• Strong communication and organizational skills, with the ability to prioritize and adapt to shifting demands.
• High attention to detail with a focus on delivering concise and technical review content.
Preferred
• Previous spacecraft, launch vehicle, or payload engineering experience.
• Experience with CubeSat, small satellite, or rideshare mission integration.
• Experience working with prime contractors or government entities.
• Familiarity with flight software, embedded systems, and space communications protocols (CCSDS, S-band, X-band, etc.).
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What We Offer For Full-time Employees:
Shared upside: Receive equity in Apex, letting you benefit from the work you create
Standard company text repeated across Apex Space's postings is omitted here.