Principal Software Engineer

Riverstone Enterprise Solutions; Maryland; On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Medical coverage

Life & disability

401(k) contribution

PTO + holidays

Professional development

Phone & internet stipend

Performance bonus

Referral bonuses

Job summary

Riverstone Enterprise Solutions seeks a Senior Principal Software Engineer in Annapolis Junction, MD, to lead complex software systems and analytics initiatives. This role requires deep experience across large-scale deployments and hybrid cloud architectures.

The candidate will design, develop, and optimize software while mentoring teams, ensuring robust documentation and adherence to standards, and collaborating with engineering and security teams to meet mission requirements.

Qualifications

• Twelve (12) years’ experience as a Software Engineer in programs of similar scope and complexity.
• Bachelor’s degree in computer science or related discipline; four (4) years additional experience may substitute for a degree.
• Experience with 3–4 of the listed technologies (Java, Spring Boot, MongoDB, Kubernetes, Rancher RKE2, Kalka, AWS; RHEL, LLMs, S3/Minio, Elasticsearch, Nifi).
• Demonstrated expertise managing large Kubernetes or MongoDB clusters or migrating large systems to AWS in a hybrid architecture.
• Current/Active TS/SCI with Full Scope Polygraph.

Responsibilities

• Develops, maintains, and enhances complex software systems and real-time data processing.
• Analyze user requirements to derive software design and performance requirements.
• Debug existing software and correct defects.
• Provide recommendations for improving documentation and software development standards.
• Design and code new software or modify existing software to add features.
• Integrate existing software into new or modified systems or environments.
• Develop data queries for databases or data repositories.
• Write or review software and system documentation.
• Serve as team lead appropriate to the development process used.
• Design or implement complex database interfaces/queries.
• Develop or implement algorithms to meet performance and functionality standards.
• Assist with testing procedures for software components.
• Analyze system performance and user needs to guide improvements.
• Modify existing software to correct errors and adapt to new hardware.
• Design, develop, and modify software systems using scientific analysis and models.

Skills

Java

Spring Boot

MongoDB

Kubernetes

RKE2

Kalka

AWS

RHEL

LLMs

S3/Minio

Elasticsearch

Nifi

Education

Bachelor’s degree in Computer Science

Tools

Kubernetes

MongoDB

Elasticsearch

Nifi

S3/Minio

RKE2

LLMs

AWS

RHEL

Kalka

Job description

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

• Develops, maintains, and enhances complex and diverse software systems (e.g., processingintensive analytics, novel algorithm development, manipulation of extremely large data sets and realtime systems).
• 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

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
• Demonstrated expertise in managing large Kubernetes clusters, Large MongoDB clusters, or migrated large systems to AWS in a hybrid architecture.

SECURITY REQUIREMENTS

• Current/Active TS/SCI with Full Scope 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.