Senior Software Engineer (TS/SCI) - Mission-Critical Systems

Noblis; Reston (VA); Hybrid; USD 146,200 - 228,400; Full time

Job summary

Noblis seeks an experienced Software Developer in Reston, VA, to collaborate with federal clients on mission‑critical national security initiatives. You will design, develop, and deliver innovative software solutions with a multidisciplinary team across development, data science, and cyber analytics.

The role emphasizes rapid delivery, code quality, and client collaboration in a dynamic, mission-focused environment.

Qualifications

• Active Top Secret/SCI clearance with a current Polygraph
• Bachelor’s degree with 8 years of related experience; OR Master’s degree with 6 years; OR associate’s degree with 11 years; OR High School diploma/GED with 14 years of related experience
• Proficiency in Python, Java, or JavaScript with production-grade code experience
• Relational and/or NoSQL databases (PostgreSQL, MySQL, Oracle, MongoDB) with data modeling & query optimization
• Strong testing methodologies: unit/integration/automated tests
• Experience across the full SDLC from requirements to maintenance
• Proficiency with Git-based version control and PR workflows
• U.S. Citizenship is required

Responsibilities

• Apply state-of-the-art technologies to solve complex technical and mission challenges.
• Develop cutting-edge solutions that improve system performance, reliability, scalability, and distributed processing capabilities.
• Design, build, and enhance applications that support evolving client needs.
• Work in an Agile environment to rapidly iterate, collaborate, and deliver impactful solutions for our clients.

Skills

Python

Java

JavaScript

SDLC

Unit testing

Clearance TS/SCI

US Citizenship

Education

Bachelor's degree + 8 years

Master's degree + 6 years

Associate's degree + 11 years

High School diploma/GED + 14 years

Tools

PostgreSQL

MySQL

Oracle

MongoDB

Docker

Kubernetes

AWS

Job description

Noblis seeks an experienced Software Developer in Reston, VA, to collaborate with federal clients on mission‑critical national security initiatives. You will design, develop, and deliver innovative software solutions with a multidisciplinary team across development, data science, and cyber analytics.

The role emphasizes rapid delivery, code quality, and client collaboration in a dynamic, mission-focused environment.