Senior Staff / Senior Full Stack Engineer (Clearance Required)

SciTec•Dayton, OH

About The Position

SciTec, a Firefly Aerospace company, is a non-traditional defense contractor delivering advanced technologies for U.S. national security and defense. The company supports Department of Defense customers with remote sensing algorithms, tools, and techniques for missile defense; intelligence, surveillance, and reconnaissance; space domain awareness; and aircraft survivability missions. SciTec is seeking a Senior Staff / Senior Full Stack Software Engineer to design, develop, and deliver high-quality software systems. The role focuses on distributed systems, microservices, and real-time data pipelines, working closely with scientific and technical users in a mission-focused environment. The engineer will contribute strong Python, TypeScript/JavaScript, and DevOps expertise, collaborate across disciplines, influence technical direction through example, and mentor other engineers. This position is contingent upon contract award. SciTec works exclusively on U.S. government contracts requiring all employees to be U.S. citizens and cannot sponsor employee work visas. U.S. citizenship is also required to obtain and maintain a security clearance. The pay range is $127,000–$193,000; compensation offers may consider role responsibilities, work experience, education or training, and skills.

Requirements

Active Top Secret security clearance.
Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field.
At least 5 years of professional software engineering experience.
Expertise in Python, with previous experience using Pandas and NumPy.
Proficiency in TypeScript, with previous experience using React and Plotly.
Solid understanding of software engineering fundamentals, including design patterns, modularity, and maintainability.
Expertise in object-oriented programming, including modern language features and best practices.
Experience writing and maintaining automated tests.
Strong attention to detail and commitment to high-quality, well-tested code.
Excellent verbal and written communication skills.
Demonstrated ability to collaborate effectively across technical disciplines.
U.S. citizenship; required for the government contracts and security clearance associated with this role.

Nice To Haves

Active TS/SCI security clearance.
Master of Science in Computer Science, Software Engineering, or a related engineering discipline.
Experience working with remotely sensed data or scientific data processing workflows.
Understanding of containerization tools such as Docker or Podman, orchestration tools such as Kubernetes or Helm, and deployment tools such as ArgoCD or GitLab CI/CD.
Experience working in Agile software development environments and using task scheduling and tracking software such as JIRA.

Responsibilities

Work independently and collaboratively with development teams to deliver complex features end to end.
Design, implement, and maintain high-quality software aligned with program objectives.
Promote strong engineering practices, including testing, documentation, and maintainability.
Contribute to containerized, distributed microservice architectures, including development, deployment, and testing.
Design, implement, and maintain real-time or near-real-time data processing and streaming workflows.
Participate in and guide Agile development activities, including code reviews, design discussions, and sprint planning.
Mentor junior and mid-level engineers through technical collaboration and code reviews.