Software Engineer - Senior Specialist E4

Warning: Do not submit any sensitive, proprietary, or classified information in this system (including PII, FOUO/CUI). If your resume includes government program content, ensure all information has been cleared through the appropriate Prepublication Review process. Join Our Team! We seek the best talent and compensate accordingly. Radix is an inclusive workplace that fosters a professional, casual work environment and a leadership structure that enables collaboration and potential for employees to have daily impact on the Company’s success. Top Reasons Why You Want to Work for Radix as a Software Engineer Small Company Culture Relaxed Flexible Work Environment Competitive Wages Medical, Dental, & Vision Premiums 100% Employer Funded Short-Term, Long-Term Disability, & Life Premiums 100% Employer Funded Company Funded Retirement plan of up to 25% of Base Salary 6 weeks of Paid Time Off (PTO) Professional Development and Educational Benefits Job Overview Radix is seeking talented Software Engineers to support mission-critical satellite ground systems. We value technical excellence, collaboration, and real-world impact. Radix offers a professional yet casual work environment where engineers have direct influence on program success. We support U.S. government customers developing next-generation satellite ground systems. In this role, you will contribute to a Java Spring Boot-based planning and scheduling application that enables mission operations, resource allocation, and execution for satellite ground software. You will work as part of a mission-focused engineering team delivering scalable, reliable backend services while supporting integration, testing, and operational deployment in a secure environment. Responsibilities and Duties: Design, develop, and maintain Java Spring Boot microservices supporting satellite ground planning and scheduling workflows Implement RESTful APIs and backend services aligned with defined system architecture and mission requirements Collaborate with systems engineers and domain experts to translate mission needs into technical solutions Support integration and test activities, including troubleshooting and defect resolution Participate in technical reviews, code reviews, and software audits Develop and maintain system interfaces (internal and external) Contribute to basic DevOps activities, including: GitLab repository management CI/CD pipeline usage and maintenance Supporting containerized deployments and environment configuration Follow secure software development practices within a classified environment Primary Location: Radix Metasystems HQ, 325 Inverness Drive South, Englewood, CO 80112 Secondary/Additional Location(s): Buckley Space Force Base, Aurora, CO 80011 Salary Range: The salary and compensation for this position will be determined based on skill level, experience, and education as applicable. These factors include, but are not limited to responsibilities of the job, ability to fulfill all job requirements, education, experience, knowledge, skills, certifications, as well as internal equity, alignment with market data, bargaining agreements (if any), or other applicable law. Required Qualifications: U.S. Citizenship Currently active TS/SCI security clearance issued by a U.S. Government Entity Minimum of 11-15 years of Software Development experience. Bachelor’s degree in a STEM discipline or equivalent work experience in lieu of degree Strong experience with Java and Spring Boot Experience developing backend services and RESTful APIs Familiarity with Linux-based development environments Experience with Git-based version control and CI/CD workflows (GitLab perferred) Working knowledge of databases (SQL and/or NoSQL) Ability to design, deploy and maintain complex software systems Strong interpersonal, verbal and written communication skills Ability to effectively work, and communicate, with engineers, systems teams, and leadership Preferred Qualifications: U.S. Government Adjudicated Full-Scope or Counterintelligence polygraph Experience with planning and scheduling systems, mission management, or satellite ground operations Familiarity with microservice architectures and containerization (Docker/Kubernetes) Experience supporting software in an operational or mission-critical environment Background in intelligence community systems or space domain awareness