Sr. C++ Software Engineer (5522) (Centennial, CO)

SMX; Centennial (CO); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Health insurance

Paid leave

Retirement benefits

Job summary

SMX is seeking a Senior C++ Software Developer to design, develop, and test emulators for SPARC-based flight computers and other mission-critical hardware. You will work with flight and ground software engineers, integrating emulation into existing workflows and optimizing for performance.

Responsibilities include designing robust solutions, documenting processes, and contributing to CI/CD pipelines while collaborating across teams to meet milestones and uphold security and quality standards.

Qualifications

• 8+ years of experience in high-performance C++ applications in Linux environments.
• Bachelor's degree in Computer Science, Computer Engineering, or related field.
• US Citizenship is required with background screening.
• Ability to document and communicate software designs.
• Familiarity with Git version control and CI/CD workflows.

Responsibilities

• Collaborate with Solutions Architects to design, develop, and test emulators for SPARC-based flight computers and other flight hardware.
• Integrate emulation capabilities with existing development and test workflows.
• Optimize applications to meet strict performance requirements and document solutions.
• Contribute to CI/CD pipelines to encode quality within the SDLC.
• Collaborate with team members and leads to achieve project milestones.
• Adhere to corporate processes and standards for quality, compliance, and security.

Skills

C++ high-performance

Linux

Git

Team collaboration

Documentation

Education

Bachelor's degree in CS/CE or related field

Tools

CI/CD pipelines

Job description

Outside Analytics is a proud subsidiary of SMX, enabling an exciting collaboration that enhances our collective capabilities to deliver cutting-edge digital transformation solutions. Are you interested in the next generation of remote sensing and space systems capabilities? At Outside Analytics we're on the ground floor of developing the future space ecosystem across all orbital regimes (LEO, MEO, HEO, and GEO)! We build, integrate, and operationally support our customers’ emerging space-ground systems to include real-time data processing frameworks, sensor data processing, and data visualization. We are teamed with the most passionate companies in industry, dedicated to bringing best-of-breed capabilities to address our customers’ most pressing needs.At OA-SMX as a Senior C++ Software Developer, you'll partner with Solutions Architects to design, develop, and test high-fidelity emulators for SPARC-based flight computers and other mission-critical flight hardware for space launch systems. Working alongside flight and ground software engineers and embedded with our customer's team, you'll integrate emulation capabilities into existing test workflows, optimize applications to meet demanding performance requirements, and build quality into every stage of our development lifecycle through robust CI/CD pipelines. Success in this role demands high proficiency in advanced high performing C++, sharp problem-solving skills, experience in modern production software development techniques, and an ability to work in a collaborative mission focused environment.

Essential Duties & Responsibilities

• Collaborate with Solutions Architects to design, develop, and test emulators for SPARC-based flight computers and other flight hardware.
• Work closely with flight and ground software engineers to integrate emulation capabilities with existing development and test workflows.
• Optimize applications to meet strict performance requirements. Ensure all solutions are thoroughly designed, documented, and tested.
• Use and contribute to CI/CD pipelines to encode quality within the Software Development Life Cycle.
• Collaborate with team members and leads to achieve project milestones.
• Adhere to applicable corporate processes & standards to ensure quality, compliance, and security.

Required Skills & Experience

• 8+ years experience in high-performance C++ applications software engineering within Linux environments
• Bachelor's degree in Computer Science, Computer Engineering, or a related field with equivalent experience
• US Citizenship is required. Candidate must also participate in a background screen.
• Ability to document and communicate software designs
• Familiarity with version control systems such as Git
• Excellent problem-solving skills and attention to detail
• Ability to work independently and as part of a team
• Strong communication and collaboration skills
• A passion for learning and staying current with industry trends

Desired Skills & Experience

• Experience with emulator development, especially RISC/SPARC architectures Experience with RTEMS or other Real-time OS (RTOS)
• Experience with serial data communication protocols (MIL-STD-1553, RS-422)
• Socket programming experience (TCP/UDP)
• Experience with embedded systems, space vehicle flight software or ground systems
• Familiarity with asynchronous programming concepts
• Experience in other programming languages such as Python
• Strong Continuous integration/Continuous delivery techniques (CI/CD)
• Ability to obtain a DoD clearance

Application Deadline: September 14, 2026

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:: $150,000 USD - $210,000 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).