Jobs at Apex

Supports the Proposal Development team by managing calendars, deadlines, response trackers, meeting minutes, process documentation, stakeholder communications, and quality standards. The role requires strong organization, attention to detail, cross-functional collaboration, and the ability to manage multiple concurrent deadlines in a fast-paced aerospace environment.

Plans and executes spacecraft payload integration, space vehicle environmental and functional testing, launch-site activities, customer documentation, requirements verification, and technical risk assessment. Collaborates with multidisciplinary engineering teams and customers to integrate payloads, conduct design reviews, resolve technical issues, and ensure mission compliance.

Leads spacecraft payload integration and test campaigns, including environmental, functional, propulsion-load, and launch-site activities. Develops integration procedures and system documentation, supports requirements verification, evaluates technical risks, and coordinates multidisciplinary engineering teams and customer engagements. The role requires hands-on cleanroom execution, spacecraft systems expertise, and travel to launch sites.

Design, develop, test, deploy, and maintain mission-critical flight software for satellite systems across the full lifecycle. Collaborate with systems, hardware, test, GNC, and operations teams to define requirements and technical roadmaps. Develop embedded and real-time software, diagnose defects, support spacecraft commissioning, and troubleshoot critical systems during launch and early operations.

Design, develop, test, and maintain mission-critical embedded flight software for satellite systems. Responsibilities include device drivers, processor peripherals, onboard control algorithms, fault handling, hardware/software integration, and unit through system-level testing. The engineer collaborates with systems, hardware, test, and operations teams, supports spacecraft commissioning and early mission operations, and owns software throughout its lifecycle.

Designs and implements cybersecurity architecture across corporate and development environments. Translates NIST SP 800-171 and CMMC Level 2 requirements into technical controls, supports ATO activities, and partners with infrastructure teams on Palo Alto architecture, segmentation, remote access, and network rules. Defines CUI boundaries, data flows, and security diagrams while addressing gaps across cloud, SaaS, endpoints, networks, servers, and software services.

Develops and scales PCBA manufacturing processes for high-reliability spacecraft electronics from prototype through production. Responsibilities include SMT and through-hole process development, manufacturing documentation, inspection and testing, defect troubleshooting, process validation, yield improvement, tooling and equipment support, design-for-manufacturability collaboration, supplier coordination, and corrective actions. The role requires hands-on expertise with soldering, reflow profiling, PCBA inspection, IPC workmanship standards, and aerospace-quality electronics manufacturing.

Supports spacecraft mission integration across spacecraft, launch vehicle, and operations systems. Responsibilities include mission architecture, orbital mechanics and trajectory analysis, technical budgets, requirements verification, documentation, interface definitions, design reviews, and technical risk mitigation. The intern collaborates across engineering teams and gains hands-on experience with satellite systems, launch environments, and mission operations.

Own and maintain the company-wide integrated master schedule across product design, engineering development, production, supply chain, and program execution. Build detailed milestone and critical-path schedules, monitor progress, identify risks and resource conflicts, coordinate mitigation plans, establish scheduling standards, and communicate schedule health and changes to leadership. The role requires strong understanding of aerospace or manufacturing processes and advanced scheduling capabilities.

Own commercial business development across the Americas, including pipeline creation, account strategy, full-cycle deal execution, forecasting, customer relationships, and contract closure. The role focuses on selling satellite bus platforms to aerospace customers, securing new and existing-account bookings, and providing market feedback to product, pricing, and competitive strategy. Travel to industry events, trade shows, and customer meetings is required. Applicants need aerospace sales or business development experience, satellite-market knowledge, quota-carrying experience, and U.S. Person status or export authorization eligibility.

Leads end-to-end spacecraft mission integration, including mission architecture, orbital analysis, technical budgets, system documentation, interface resolution, customer liaison, requirements verification, risk assessment, and integrated vehicle testing. Collaborates across engineering teams and travels to launch sites for integration and rehearsals. Supports mission operations and evaluates spacecraft-level analyses such as thermal, coupled loads, EMC, and FMEA.

Leads end-to-end spacecraft mission integration, including mission architecture, orbital and trajectory analysis, technical trade studies, customer liaison, system-level documentation, technical budgets, risk and reliability analysis, requirements verification, and integrated vehicle testing. Coordinates electrical, mechanical, software, operations, and external teams while supporting launch-site integration and spacecraft operations. The role also contributes to proposals, feasibility studies, cost estimates, and future mission development.

Leads spacecraft payload integration and test campaigns, including environmental and functional testing, propulsion load operations, launch-site activities, technical documentation, requirements verification, risk assessment, and customer coordination. The role collaborates with multidisciplinary engineering teams to integrate payloads with satellite buses and ensure system performance and compliance.

Design and integrate spacecraft missions by developing mission concepts, performing orbital and technical analyses, managing customer and internal interfaces, creating system-level documentation and technical budgets, assessing risks and failures, and supporting spacecraft integration, testing, verification, launch-site operations, and on-orbit mission activities.

Plans and executes spacecraft and payload integration and test campaigns, including environmental, functional, propulsion, and launch-site activities. Develops integration procedures and system-level documentation, reviews structural and thermal analyses, supports requirements verification, assesses technical risks, and coordinates multidisciplinary engineering teams and customers. The role also participates in design reviews, technical communications, launch rehearsals, and mission operations.

Develops and scales manufacturing processes for precision opto-mechanical spacecraft assemblies. Responsibilities include owning hardware builds, designing fixtures and alignment tooling, establishing optical inspection and calibration procedures, supporting integration and environmental testing, troubleshooting assembly issues, performing tolerance analysis, and improving manufacturing yield, repeatability, quality, and throughput. The role bridges design engineering and production from prototype development through qualification and manufacturing ramp.

Develop and maintain low-level flight software for satellite avionics, including processor peripherals, communication interfaces, device drivers, onboard control algorithms, and fault-response logic. Integrate software with spacecraft hardware, support testing and commissioning, and contribute to avionics design from prototyping through manufacturing and flight operations.

Develop and maintain embedded flight software for satellite avionics, including processor peripherals, device drivers, onboard control algorithms, fault handling, and communication interfaces. Integrate software with spacecraft hardware, support testing and commissioning, and contribute to avionics system design through flight deployment.

Designs, analyzes, tests, and delivers flight-critical spacecraft power systems, including generation, storage, distribution, and DC-DC conversion. Responsibilities include electrical architecture trades, requirements development, component selection, schematic capture, prototyping, verification, documentation, manufacturing planning, and production testing. The engineer collaborates with design, test, and production teams while managing technical risks and introducing new power technologies across spacecraft platforms.

Manage IT infrastructure, operations, systems, security, vendors, budgets, and support teams. Lead technology projects including implementations, cloud migrations, and cybersecurity enhancements. Maintain reliable and scalable systems, assess risks, ensure compliance, provide end-user support, and align IT strategy with business objectives. The role also includes staff leadership, vendor negotiations, budgeting, employee training, and collaboration with cross-functional stakeholders.