Sr.. Principal Cyber Software Engineer

Nightwing Intelligence Solutions, LLC is seeking a senior-to-principal level Cyber Software Engineer to support the design, development, and deployment of advanced cybersecurity capabilities within a mission-critical development and sustainment program. This onsite role in Sterling, VA blends full stack engineering with secure development practices, DevOps and CI/CD, and close collaboration across technical teams.

The position focuses on building and improving web application components end-to-end, integrating with external services, and ensuring reliable performance in cloud environments while maintaining strong security controls across authentication, authorization, and data protection.

Responsibilities

• Develop, maintain, and enhance front-end and back-end components of web applications.
• Create and maintain clean, maintainable, and efficient code.
• Write unit and integration tests and support automated testing and smoke testing where needed.
• Optimize applications for speed and scalability and support performance and reliability monitoring.
• Collaborate with cross-functional teams to gather and refine software requirements.
• Troubleshoot and resolve software defects and issues.
• Implement authentication, authorization, and session management.
• Integrate with third-party services such as payment processors and external APIs.
• Set up and manage CI/CD pipelines, and deploy applications to cloud platforms such as AWS, Azure, or GCP.
• Use Git and platforms such as GitHub and GitLab for version control.
• Coordinate with DevOps, infrastructure, and development teams to support seamless integration.
• Document code and infrastructure changes, processes, and best practices.
• Participate in knowledge sharing and mentorship of team members.
• Stay current with industry trends and emerging technologies relevant to cybersecurity and software engineering.
• Implement secure coding practices, including encryption for data in motion and data at rest.
• Manage credentials and secrets securely and through authorized processes.
• Use correct error handling and logging within developed code.

Requirements

• U.S. Citizenship.
• Must be able to obtain a Secret clearance within 1 year.
• Must be able to obtain DHS Suitability.
• 10+ years of directly relevant software development experience.
• Proficiency in Python, Java, and NodeJS.
• Strong knowledge of front-end and back-end frameworks.
• Familiarity with CI/CD pipelines and version control systems.
• Demonstrated experience and/or familiarity with one or more of: SQL, Oracle, MySQL, JBDC.
• Demonstrated experience and/or familiarity with one or more of: Pytest, Jupyter, Java Spring, JUnit, Hibernate, JavaScript, ReactJs.
• Experience leading multiple software development teams.
• Experience developing system requirements for performance, availability, scalability, manageability, and security for mid- to large-scale programs.
• Experience with cloud computing, multimedia storage, knowledge databases, and data-mining analytics.
• Agile development methodology experience required.
• Experience with Linux and/or Unix.
• Experience with Jenkins and/or CloudBees.

Technologies

• Python, Java, NodeJS
• SQL, Oracle, MySQL, JBDC
• Pytest, Jupyter, Java Spring, JUnit, Hibernate
• JavaScript, ReactJs
• CI/CD pipelines, Git, GitHub, GitLab
• AWS, Azure, GCP (Google Cloud)
• Linux, Unix
• Jenkins, CloudBees
• Third-party services (e.g., payment processors, external APIs)

Education

• Bachelor’s degree in Software Engineering, Computer Science, or a related discipline.

Benefits

• Medical, vision and dental insurance coverage
• 401k plan
• PTO
• Holidays
• Additional insurances

Salary & Compensation

• Salary range: USD 122,000 - 253,000 per year
• Compensation is commensurate with qualifications, years of relevant experience, and demonstrated expertise.

Desired Skills

• Excellent problem-solving and communication skills.
• Strong teamwork and collaboration abilities.
• Ability to adapt to a fast-paced, evolving technology environment.
• Attention to detail and commitment to delivering high-quality solutions.

Desired Certifications

• DoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP
• Software development methodology certification (e.g., SCRUM Master), highly desired