Embedded Software Engineer

CACI International Inc; Colorado Springs (CO); On-site; USD 69,000 - 142,000; Full time

Job summary

CACI International Inc. is seeking an Embedded Software Engineer to build software for space-based RF communications platforms. You’ll develop low-level, performance-critical code across embedded Linux and bare-metal targets, partnering with RF, FPGA, and systems teams from bring-up through delivery.

This on-site Colorado Springs role offers ownership of design and reliability-focused development. You will implement embedded software, extend Linux services, and support driver development while

Qualifications

• Bachelor’s degree and 3+ years in embedded software.
• Proficiency in C/C++ for embedded targets.
• Strong systems fundamentals: Linux, networking, memory management, concurrency, hardware abstraction.
• Experience with Yocto or other embedded Linux; kernel module development.
• Understanding of common embedded protocols (GPIO, SPI, I2C, UART, RS-422).
• Practical lab skills with oscilloscopes and logic analyzers.
• Comfortable with PCB design understanding and reviews.
• Ability to collaborate with RF, FPGA, systems and test teams.
• Experience debugging mixed HW/SW issues.
• Ability to work on multiple efforts concurrently.
• Strong documentation habits.

Responsibilities

• Implementation of embedded software to deliver robust, performance-focused code; contribute to architecture and design decisions.
• Build and extend embedded Linux service and kernel components.
• Support bare-metal/C embedded applications.
• Support board bring-up and low-level driver development; integrate with FPGA logic and DSP blocks.
• Collaborate with RF and systems teams on radio architectures and ICDs.
• Design for reliability, resiliency, and safety in space environments.
• Engineer secure, robust firmware update mechanisms.
• Establish CI/CD for embedded targets and support testing.
• Participate in system design, hardware interface reviews and code reviews.
• Collaborate with program management and customers to refine requirements and schedules.

Skills

C/C++ for embedded targets

Linux fundamentals

Yocto

Kernel module development

Embedded protocols (GPIO, SPI, I2C, I,

Lab tools (oscilloscope, logic analyz.

PCB design understanding

Collaboration with RF/FPGA/systems

Debug HW/SW issues

Documentation habits

Multitasking / parallel work

Education

Bachelor’s degree in Electrical Engineering or Computer Science

Tools

Yocto

Xilinx toolchains

Job description

Job Title: Embedded Software Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: None

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

Anticipated Posting End: 12/31/2026

The Opportunity:

CACI is seeking an Embedded Software Engineer to build software for our space-based RF communications platforms. You'll develop low-level, performance-critical code across embedded Linux and bare-metal targets. You'll partner with RF, FPGA, and systems teams from board bring-up through delivery. This role is ideal for an engineer who enjoys working close to the hardware and wants to take on more design ownership. This position is on-site in Colorado Springs, CO.

Responsibilities:

• Implementation of embedded software to deliver robust, consistent performance while meeting design constraints; Contribute to architecture and design decisions.
• Build and extend embedded Linux service and kernel components.
• Support and improve bare-metal/C embedded applications.
• Support board bring-up and low-level driver development; integrate with FPGA logic and DSP blocks.
• Collaborate with RF and systems teams on radio architectures; contribute to interface control documents (ICDs) and system requirements.
• Design for reliability, resiliency, and safety in space environments.
• Engineer secure, robust firmware update mechanisms.
• Establish and/or contribute to continuous integration/continuous deployment (CI/CD) for embedded targets, and support static analysis and unit/integration testing.
• Participate in system design, hardware interface reviews and code reviews.
• Collaborate cross-functionally with program management and customers to refine requirements, build schedules, and deliver production-quality software for mission operations.

Qualifications:

Required:

• Bachelor’s degree in Electrical Engineering or Computer Science (or related field), with 3+ years in embedded software.
• Proficiency in C/C++ for embedded targets.
• Strong systems fundamentals: Linux, networking, memory management, concurrency, hardware abstraction.
• Experience with Yocto or other embedded Linux. Comfortable with kernel module development.
• Understanding of common embedded protocols (GPIO, SPI, I2C, UART, RS-422).
• Practical lab skills, including the use of oscilloscopes, and logic analyzers.
• Comfortable understanding PCB designs and participating in schematic reviews.
• Ability to collaborate closely with RF, FPGA, systems, and test teams.
• Experience debugging mixed HW/SW issues.
• Ability to work on multiple efforts concurrently.
• Strong documentation habits.

Desired:

• Master’s degree in Electrical Engineering or Computer Science
• Hands-on integration with FPGAs; familiarity with Xilinx/AMD toolchains.
• Strong experience with embedded Linux including bootloader, device tree, and kernel/driver development.
• Secure boot, TPM, and cryptographic techniques.
• Experience using high-speed data in embedded systems (PCIe, AXI, FPGA Serdes).
• Practical RF lab skills, including the use of spectrum analyzers, and RF test fixtures.
• Knowledge of software-defined radio (SDR) technologies.
• Exposure to satellite communications systems; familiarity with CCSDS and space-communications standards and constraints.
• Experience designing for reliability in radiation environments.
• Experience with the Rust language and Protobuf.
• Familiarity with agile development using Atlassian tools.

What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$69,100-$141,500

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.