Principal Software Engineer

Riverstone Enterprise Solutions, an Envision Innovative Solutions Company, delivers mission-focused technology solutions to the Intelligence Community. Since 2008, we have supported critical national security programs by building high-performing engineering teams and developing innovative enterprise solutions. Our engineers work in a collaborative, zero-bureaucracy environment where expertise is valued, ideas are heard, and contributions directly drive mission success. Your adventure begins now—unleash your potential at Riverstone, we combine the agility of a small company with the impact of a big mission.

Riverstone is seeking a motivated, career, and customer-oriented Principal Software Engineer to join our team in Annapolis Junction, Maryland. This is an onsite position.

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
• Write or review software and system documentation
• 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
• Assist with developing and executing test procedures for software components
• Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas
• 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
• Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project
• Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces
• 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
•  Ensure quality control of all developed and modified software
• Delegate programming and testing responsibilities to one or more teams and monitor their performance

Required Skills:

• Twelve (12) years experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelors degree.
• Front-End Web Development Languages: JavaScript (and eventually some Typescript) and React/JSX
• Back-End Development Languages: Node.js/JavaScript, Rust (for high-performance or secure portions)
• Python, Shell script, Kubernetes
• Micro-Services deployment patterns
• Multi-site applications
• Load Balancing topologies
• Cloud Migration

Desired Skills:

• Nifi
• Testing frameworks (JEST)
• Grafana
• InfluxDb
• Elasticsearch
• Redis
• Mysql
• Apache Superset
• RabbitMQ/Kafka/Message Fabrics
• Ansible/Salt
• Terraform (for lane development)
• Web-Sockets
• JBLOCKS
• CASPORT
• Neo4j
• Agency Security Labels(CAMKEY, LAC, COI, etc.)

Security Clearance Requirement:

• Current/Active TS/SCI with Full Scope Polygraph.

Riverstone Enterprise Solutions 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.