Senior Secure Software Engineer

ADP, Inc.; Chantilly (VA); On-site; USD 183,000 - 237,000; Full time

Benefits offered by this job

Security clearance support

Job summary

NS2 Mission in Chantilly, VA seeks an Expert Software Engineer to design, build, and sustain secure, scalable applications for Intelligence Community customers. The role requires strong Python backend skills, Angular frontend expertise, and API integration across distributed systems.

With a TS/SCI clearance and 10+ years of enterprise software experience, you will collaborate across teams, drive architectural decisions, and contribute to secure development practices in a fast-paced environment.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline.
• Approximately 10+ years of professional experience designing and delivering enterprise software solutions.
• Advanced proficiency in Python for backend development.
• Expertise with Angular or comparable modern front-end frameworks.
• Experience designing, developing, and integrating RESTful APIs in distributed apps.
• Hands-on knowledge of Oracle SQL development and relational databases.
• Experience with Linux/Unix environments and version control, testing, and secure practices.
• Familiarity with Agile methodologies and full SDLC participation.

Responsibilities

• Lead the design and development of scalable full-stack applications from requirements through deployment.
• Architect and implement backend services using Python and modern frameworks.
• Develop and integrate RESTful APIs to support interoperability and data exchange.
• Design and optimize relational databases for performance and scalability.
• Collaborate with architects, engineers, and stakeholders to shape technical approaches.
• Diagnose complex defects and performance issues to improve reliability.
• Contribute to design reviews, code reviews, and engineering discussions promoting best practices.
• Participate in planning, estimation, testing, deployment, and sustainment of applications.
• Support Agile delivery and drive continuous improvement in processes.
• Ensure solutions meet security, performance, and maintainability objectives.

Skills

Python

Angular

RESTful APIs

Linux/Unix

Security engineering

Agile methodologies

Problem solving

Code reviews

Education

Bachelor's degree in Computer Science or related

Tools

Git

Jenkins

Terraform

Docker

Kubernetes

SQL development

Oracle databases

PostgreSQL

MySQL

SQL Server

OpenSearch/Elasticsearch

Job description

NS2 Mission in Chantilly, VA seeks an Expert Software Engineer to design, build, and sustain secure, scalable applications for Intelligence Community customers. The role requires strong Python backend skills, Angular frontend expertise, and API integration across distributed systems.

With a TS/SCI clearance and 10+ years of enterprise software experience, you will collaborate across teams, drive architectural decisions, and contribute to secure development practices in a fast-paced environment.