Sidus Space® (NASDAQ: SIDU) is an innovative space and defense technology company offering flexible, cost-effective solutions, including satellite manufacturing and technology integration, AI-driven space-based data solutions, mission planning and management operations, AI/ML products and services, and space and defense hardware manufacturing. With its mission of Space Access Reimagined®, Sidus Space is committed to rapid innovation, adaptable and cost-effective solutions, and the optimization of space system and data collection performance. With demonstrated space heritage, including manufacturing and operating its own satellite and sensor system, LizzieSat®, Sidus Space serves government, defense, intelligence, and commercial companies around the globe.

Strategically headquartered on Florida’s Space Coast, Sidus Space operates a 35,000-square-foot space manufacturing, assembly, integration, and testing facility and provides easy access to nearby launch facilities. But it’s our people who truly set us apart. We foster a culture of collaboration, continuous learning, and agility, empowering our team to innovate and evolve in a rapidly changing industry. Join us at Sidus Space to be part of something extraordinary and help shape the future of space access!

Job Summary

The Embedded Software Systems Engineer is a generalist who designs, develops, debugs, tests, and implements embedded software and systems. This role will join a multi-discipline, high performing team of Engineers.

This position is expected to be 100% onsite in Cape Canaveral.

Essential Duties/Responsibilities

• Develop software and firmware source code in C/C++, Embedded C, and other languages.
• Requires an understanding of common communication interfaces like SPI, I2C, USB, UART, and others.
• Utilize version control, simulation, debugging, and other development tools.
• Collaborate cross-functionally with hardware engineers.
• Provide engineering support for testing, deployment, and updates.
• Develop highly reliable software solutions based on the needs of the Engineering Team and mission.
• Collaborate with the Engineering Team on architecture, design and code review.
• Adhere to all Quality Management Systems standards and procedures
• Treat all team members with respect and dignity ensuring a collaborative culture is continually developed and maintained.
• Other duties as assigned**

Required Education and Experience

• Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, or related field.
• 3 or more years of experience in embedded software development.
• Strong C and C++ proficiency, with a working knowledge of modern embedded development practices (cross-compilation, toolchains, JTAG/SWD debugging, version control, code review)
• Hands-on experience developing firmware for microcontrollers (e.g. STM32, NXP, TI, Microchip families)
• Demonstrated experience writing bare-metal device drivers for common embedded interfaces: I²C, SPI, UART, CAN, GPIO
• Experience with Linux at the systems level — userspace driver development against /dev, sysfs, /proc, character devices, and standard kernel APIs
• Comfort reading datasheets, reference manuals, and schematics; ability to debug at the register level using oscilloscopes, logic analysers, and bus sniffers
• Board bring-up experience: validating power, clocks, peripherals, and boot stages on new hardware

• Experience with DevSecOPs, Git and JIRA with a demonstrated understanding.
• Knowledge of Linux embedded software development including Firmware Images, Linux kernel configuration modules and user-space drivers.
• Familiarity with CI/CD pipelines.
• Proficiency in Microsoft 365 including Excel, Word, Outlook and Teams.

Desired Skills and Qualities

• Linux kernel driver development (platform drivers, MFD, IRQ handling, DMA)
• Real-time operating system experience (FreeRTOS, Zephyr, ThreadX, or similar) — task scheduling, IPC primitives, ISR design
• FPGA development experience (Verilog/VHDL, HDL simulation, timing closure) or experience writing software that interfaces with FPGAs over PCIe, AXI, or memory-mapped registers
• Experience with SoCs that combine FPGA fabric and a hard processor subsystem (Xilinx Zynq / Zynq UltraScale+, Microchip PolarFire SoC, Intel Agilex SoC, or similar) - including AXI interconnect partitioning, shared-memory schemes, and host - fabric DMA.
• Familiarity with build systems for embedded Linux (Yocto, Buildroot)
• Exposure to higher-speed serial interfaces (LVDS, MIPI, Ethernet) and related timing/integrity considerations.
• Experience writing test harnesses and contributing to bring-up / qualification workflows for new hardware

• Commitment to providing the highest quality products and services that meet or exceed the requirements and expectations of our customer, actively pursuing opportunities for continual improvement of service quality.
• Able to multitask, prioritize tasks and projects, as well as manage time efficiently
• Excellent oral and written communication skills
• Ability to collaborate with many different teams/individuals to reach a common goal by building mutual trust, respect, and cooperation, maintaining positive and professional relationships, and contributing to a culture of teamwork.

Physical Requirements

• Sedentary Work – occasionally exerting up to 10 pounds of force to carry, lift, push, pull, or otherwise move objects. Sedentary work involves being stationary most of the time, sometimes requiring moving about the work center on concrete surfaces.
• Computer Work – daily use of laptop, computer monitor screen, keyboard, and mouse, sometimes utilizing a headset with microphone & speakers.

Total Rewards and Perks

At Sidus Space, we ask a lot of our team members, which is why we give so much in return. In addition to a competitive salary, a Best-in-Class benefit program with a generous employer paid portion as well as a matching 401(k) on Day ONE, we offer a lot of perks, including:

• Jeans every day
• Regular onsite food trucks
• 5 free company t-shirts for Manufacturing Staff
• Paid Time Off (vacation and sick days) and 11 paid holidays
• Adjustable stand-up desks
• Employee referral bonus program
• Educational assistance and professional training opportunities
• Company golf outings and other social events

Additional Eligibility Qualifications

• All candidates selected will be subject to a background investigation and drug screen
• To conform to U.S. Government International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
• Must be able to perform the essential functions of the position satisfactorily and, if requested, reasonable accommodations will be made to enable individuals with disabilities to perform the essential functions of their job, absent undue hardship.

SIDUS SPACE is an Equal Opportunity Employer fostering a respectful work culture that values all contributors. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Sidus Space’s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at people@sidusspace.com