Principal Software Engineer

At Riverstone Enterprise Solutions, we're more than a technology company—we're a team of innovators, problem-solvers, and mission-focused professionals dedicated to making a meaningful impact. Since 2008, we have delivered innovative technology, engineering, cybersecurity, and mission support solutions to the Intelligence Community. We are seeking a motivated, career-oriented, and customer-focused Principal Software Engineer to join our team in Annapolis Junction, Maryland. PRIMARY RESPONSIBILITIES Analyze user requirements to derive software design and performance requirements Debug existing software and correct defects Provide recommendations for improving documentation and software development process standards Design and code new software or modify existing software to add new features Integrate existing software into new or modified systems or operating environments Develop simple data queries for existing or proposed databases or data repositories Serve as team lead at the level appropriate to the software development process being used on any particular project Design or implement complex database or data repository interfaces/queries Develop or implement algorithms to meet or exceed system performance and functional standards Modify existing software to correct errors, to adapt to new hardware, or to improve its performance Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products Implement recommendations for improving documentation and software development process standards Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met Recommend new technologies and processes for complex software projects Serve as the technical lead of multiple software development teams Select the software development process in coordination with the customer and system engineering REQUIRED SKILLS Twelve (12) years’ experience as a Software Engineer in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in computer science or related discipline from an accredited college or university is required. Four (4) years of additional experience on projects with similar software processes may be substituted for a bachelor’s degree. Experience with 3 OR 4 of the followings: Java, Spring Boot, MongoDB, Kubernetes, Rancher RKE2, Kalka, AWS; RHEL, LLMs, S3/Minio, Elasticsearch, Nifi SECURITY REQUIREMENTS Current/Active TS/SCI with Polygraph. Why Riverstone? Riverstone invests in its employees with an exceptional benefits package, including: 100% employerpaid medical, dental, and vision coverage 100% Employerpaid life and disability insurance Approximately 10% employer 401(k) contribution, fully vested immediately, with no employee contribution required Five weeks of PTO + 10 Federal holidays $3,000 annually for professional development $1,200 annual phone and internet stipend 5% annual performance or merit bonus Referral bonuses from $8,000 to $16,000 Riverstone Enterprise Solutions, an Envision Company is an equal-opportunity employer. All Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, veteran's status, age, disability or any other basis prohibited by law.