Senior Software Engineer- DSP/Wireless communications

United States Digital Space LLC; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

United States Digital Space LLC is seeking a Software Engineer to join our engineering team in a SCRUM/Agile environment, building a satellite communications system from concept to deployment. You will design, develop, test, and integrate software across ARM/Linux and DSP platforms, collaborate in a multi-disciplinary team, and help drive reliability, performance, and scalability in a fast-paced setting.

Candidates should have a strong background in C/C++, DSP, and embedded systems, with

Qualifications

• Bachelor's degree in related field or equivalent experience.
• 7+ years hands-on C/C++ software development on embedded ARM/Linux or X86.
• Experience with real-time DSP and programmable DSP platforms.
• Knowledge of 3GPP, 5G, and MAC/PHY concepts is preferred.
• Experience with cloud technologies (AWS/Azure) is desired.

Responsibilities

• Analyze requirements and RFCs to design software for satellite systems.
• Develop, test, and integrate software across multi-disciplinary teams.
• Collaborate in an Agile Scrum environment to deliver features on-time.
• Troubleshoot and optimize performance in embedded and DSP environments.
• Provide technical leadership and mentorship.

Skills

C/C++ development

DSP programming

Embedded systems

ARM/Linux

FPGA/ASIC interfaces

Network protocols

GDB/Valgrind

Git/Jira/Jenkins

5G concepts

Python scripting

Education

Bachelor's degree in Computer Engineering / related field

Tools

GDB

Valgrind

Git

Jira

Jenkins

Job description

OverviewAt the company, we’re reshaping the future of global connectivity. As a leader in satellite communications, our groundbreaking technology empowers customers to grow, innovate, and transform their networks. Here, your skills and passion meet our vision and expertise to create something extraordinary. If you're ready to tackle technology’s biggest challenges and redefine how the world connects, the most exciting chapter of your career awaits. With the company, the sky isn’t the limit—it’s just the beginning!

We are in search for an Software Engineer at the company who will work within the engineering department in a SCRUM team using an Agile framework. The candidate will be responsible for participating in the specification, design, development, testing, and support features for a satellite communications system from concept through completion. He/she will be a highly motivated self-starter with strong written and oral communication skills and work well in a team environment. If you enjoy working in a fast-paced environment with the smartest team, and the very latest technology, then this is the job for you!

ResponsibilitiesJob Responsibilities

• Analyze requirements and RFCs and come up with efficient software designs
• Participate in determining the future direction of the satellite system and related products in the areas of software architecture, infrastructure performance, test and reliability
• In an Agile framework, document, design, develop, test, and integrate software functionality for various components within a satellite system and related environments
• Take a collaborative design and validation approach in working with a multi-functional Scrum team of software, firmware, embedded, application, and test engineers
• Troubleshoot and provide resolutions for technical issues encountered in the deployment of software solutions.
• Other duties as assigned

QualificationsTechnical Requirements

• Bachelor's degree in computer engineering, electronics and communication engineering, information technology, a related subject area, or equivalent experience
• 7+ years hands-on C/C++ software development experience with the ability to design, implement, debug, and maintain PHY-MAC control-plane software running on embedded ARM/Linux or X86 platforms.
• Hands-on experience developing and optimizing real-time signal-processing algorithms on programmable DSP processors such as CEVA, NXP, or similar architectures.
• Strong programming experience with Vector C/C++, including SIMD/vectorization and optimization of DSP algorithms for processor-specific architectures.
• Experience implementing fixed-point DSP and digital communications algorithms on programmable DSP platforms.
• Experience with development, debugging, profiling, and performance optimization tools for programmable DSP processors.
• Experience partitioning communications/PHY functionality between FPGA fabric, programmable DSP processors, and embedded ARM processors is highly desirable.
• Experience integrating programmable DSP-based PHY implementations with higher-layer software, MAC/control software, FPGA interfaces, and embedded ARM processors in a complete modem or wireless communications system.
• Familiarity with 5G NR/5G NTN MAC and PHY-MAC interactions, including resource grids, slots/frames, numerology, scheduling, transport channels, HARQ, link adaptation, and the mapping of MAC-layer data and control information to physical channels.
• Proven experience with solving real-time embedded issues, including threading, optimization, memory management, interrupt handling, etc. in multi-core/multi-CPU environments
• Knowledge of networking protocols (TCP/IP), Sockets programming
• Understanding of 3GPP standards, 5G architecture desired
• Experience with cloud technologies (AWS/Azure) desired

Professional Qualities

• Strong problem-solving and communication skills.
• Must be a self-motivated individual with technical leadership potential and proven success in a structured development environment.
• Possess the ability to proactively drive technical solutions in a collaborative environment.
• Good software design skills using proven and best practice design methodologies & related principles; Strong command of Object-Oriented Design and Object-Oriented Programming techniques.
• Demonstrated experience in developing quality and maintainable software.
• Strong documentation and writing skills.
• Strong technical leadership and mentoring of junior members of the team.

Additional Requirements

• Excellent presentation skills required
• Software design skills with analytical problem-solving abilities
• Must be able to work in a fast-paced development environment
• Working knowledge of UML is strongly desirable
• Knowledge of professional software engineering practices and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Experience/ knowledge in satellite/ terrestrial communications systems is desired
• Working experience with tools such as GDB and Valgrind
• Experience with version control systems (such as git) is strongly desired
• Experience with Jira and Jenkins desired
• Experience developing unit tests, integration tests, and functional testing, including the development of related test automation integrated in a CI/CD pipeline desired
• Scripting using shell scripting or Python desired

This position involves access to hardware, software, technology, technical data, and/or services that may be regulated under the U.S. International Traffic in Arms Regulations (ITAR), Export Administration Regulations (EAR), U.S. sanctions laws administered by the Office of Foreign Assets Control (OFAC), and other applicable export control, sanctions, and national security laws and regulations.

As a condition of employment, and where permitted by applicable law, candidates may be required to provide information necessary for the Company to determine whether any export license, governmental authorization, security clearance, or other regulatory approval is required before access to controlled items, technology, technical data, software, or services can be granted.

In addition to U.S. requirements, access to certain controlled information, technology, technical data, products, or services may be subject to export control, sanctions, national security, or similar regulatory requirements in other jurisdictions where the Company operates or conducts business. Any such requirements will be assessed and applied in accordance with applicable law.

The information that will be requested is limited strictly to what is required to comply with ITAR, EAR, and other applicable export-control, national security and sanctions laws. The Company does not otherwise discriminate in hiring or employment on the basis of citizenship, national origin, or immigration status. All applicants are evaluated on their qualifications, and export-control status information is collected and used solely for regulatory compliance purposes.

Originally posted on Himalayas