Software Engineer

Core One
Tysons, VA

Join our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first! We are committed to recruiting, nurturing, and retaining top talent! We offer a competitive total compensation package that sets us apart from our competition. Core One is a team-oriented, dynamic, and growing company that values exceptional performance!

Core One is seeking Software Engineers to support our IC program. This position requires a TS/SCI w/ Poly clearance.

The Software Engineer is responsible for designing, developing, and delivering high-quality web applications and internal tools. This role requires collaboration with cross-functional teams to architect, build, and continuously improve robust, scalable, and secure systems. The ideal candidate demonstrates expertise in modern development frameworks and tools, and brings a proactive approach to enhancing system performance, availability, and scalability.

Key Responsibilities:


  • Work closely with cross-functional teams to understand user needs, conduct user research, and translate insights into innovative design solutions.

  • Collaborate with stakeholders (e.g., operations, support, product, data teams) to understand user pain points and translate them into intuitive software solutions.

  • Write clean, maintainable, and well-tested code following best practices and coding standards.

  • Participate in code reviews, design discussions, and team planning sessions.

  • Troubleshoot and resolve technical issues in production and development environments.

  • Continuously improve system performance, scalability, and security.

  • Integrate with internal and third-party systems

  • Design, develop, and maintain tools and systems that improve operational efficiency, internal workflows, and customer-facing functions.

Required Qualifications:


  • Active TS/SCI with Polygraph

  • Bachelor’s degree in Computer Science or related field OR 10+ additional years relevant experience in lieu of education.

  • 8+ years relevant software development experience.

  • Experience with API development; RESTful, JSON-RPC, etc.

  • Proficient with Linux and shell scripting.

  • Experience working with relational and non-relational databases.

  • Broad experience designing, programming, and implementing large information systems.

  • Ability to operate independently, manage multiple priorities, and engage effectively with diverse teams.

Desired Qualifications:


  • End to end workflow experience

  • Experience working on Sponsor systems

  • Advanced certifications such as DevOps Engineer – Professional

  • Proficiency in additional programming languages or frameworks relevant to network or systems administration.

  • Experience building tools for internal teams (e.g., Ops, Support, Product, DevOps).

  • Understanding of usability and UX principles, especially for non-technical users.

Core One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Posted 2026-02-10

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