Mission Integration Engineer

Apex is seeking a dynamic, organized, and driven Mission Integration Engineer to join our expanding team. As a company at the forefront of space exploration and satellite technology, Apex is looking for an individual capable of independently owning complex spacecraft analysis and serving as the primary liaison between our customers and technical teams to ensure mission success.

The Mission Integration Engineer is also responsible for acting as a generalist across our programs to support customer mission integration.

- Support space vehicle I&T planning and execution including payload integration, spacecraft level environmental test, and launch vehicle integration

- Perform mission analysis, including orbital mechanics, trajectory planning, and spacecraft deployment strategies

- Serve as the primary technical liaison between internal technical teams and customers

- Analyze results of coupled loads analysis (CLA), thermal analysis, and perform electromagnetic compatibility (EMC) assessments.

- Generate mission specific technical budgets (power, mass, data, pointing, etc)

- Travel to launch sites for payload integration, system checkouts, and launch rehearsals

- Work with mission operations teams to track and maintain spacecraft in its operational orbit

- Support the development of technical documentation, integration procedures, and lessons learned to improve future missions

- Work with engineering, business development, and external partners to shape future missions

- Support proposals for future missions by defining technical approaches, feasibility studies, and cost estimates

- 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

- Perform system-level failure mode and effects analysis (FMEA) and support reliability engineering efforts

- Collaborate effectively 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.

- U.S. Person status is required as this position needs to access export-controlled data.

- Bachelor's degree or higher in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or a related field.

- At least 3+ years of experience working on complex hardware systems (spacecraft preferred) or technical capture management.

- Experience in satellite manufacturing or related industries (aerospace, defense, or high-tech) is strongly preferred.

- Strong understanding of space systems, launch vehicle mechanics, orbital dynamics, and mission operations

- Experience working with prime contractors or government entities

- Experience with CubeSat, small satellite, or rideshare mission integration

- Familiarity with flight software, embedded systems, and space communications protocols (CCSDS, S-band, X-band, etc.).

- Previous spacecraft, launch vehicle, or payload engineering experience

- Advanced proficiency in Microsoft Excel and other office productivity tools

- Proficiency in Python, MATLAB, STK, FreeFlyer, GMAT, or other mission analysis tools.

- Experience coordinating cross-functional teams and managing timelines in a fast-paced environment.

- Strong organizational and multitasking abilities, with the ability to prioritize and adapt to changing demands.

- Strong interpersonal skills to collaborate effectively across the Apex team

- High attention to detail with a focus on delivering concise and technical review content

- Ability to work in a dynamic, fast-changing environment with shifting priorities and deadlines