Cleared Software Engineer - Principal with Security Clearance

  • Sunfire Solutions
  • Fairfax, Virginia
  • 10/06/2025
Full time

Job Description

At Sunfire Solutions, we bring bright minds to bear on tough engineering challenges. We focus on full-stack web-based solutions for government and commercial clients. We provide a range of services in software architecture and design, software development, DevOps, and tech modernization. We love technology and feel strongly that talent, energy, and integrity lead to exceptional results. Description We are looking for talented Full-Stack Software Engineers with active security clearance (preferably TS/SCI with poly) to design and implement web-based solutions for our clients. You will work closely with stakeholders and management to gather requirements, take the lead on technical challenges, and mentor junior team members. In this role, you should be able to work independently with minimal supervision, communicate effectively, stay organized, and provide detailed technical analysis. Join a team of experienced engineers that love working with the latest technologies, enjoy hands-on development, and strive to build the best solutions to meet our users' needs. What you will be doing: Providing significant "ground up" architectural guidance
Designing completely new solutions, or modernizing existing applications
Writing clean, professional code, and setting the standards for others
Identifying appropriate technologies & stacks to use to meet clients needs
Streamlining technical processes when necessary for automation / devops
Providing guidance to other engineers on system architecture, UI/UX concerns, and other application design elements
Providing expert technical opinions to customers and management
Sharing technical knowledge and mentoring other engineers What you will not be doing: Spending your days writing user documentation, or designing powerpoints
Simply installing and integrating COTS products
Working with stagnant technologies
Writing status reports or justifying career-goal metrics Technical Skills: 15+ years of demonstrated software engineering experience in a front-end, back-end or full-stack capacity
Extensive knowledge of Java, Groovy, Kotlin, or other JVM languages
OR, Extensive knowledge with a modern front-end Javascript framework (Vue.js, React, Angular, etc)
Significant experience with database systems (SQL or NoSQL)
Extensive knowledge of OO design patterns and software architectural patterns
Experience with microservice frameworks (Dropwizard, Spring Boot, Micronaut, Quarkus)
Significant experience with web-based communication elements (REST, Queues/Topics, SOAP, Websockets) Significant experience with linux operating systems
Significant experience with AWS services and cloud deployments What you'll need: Active US Government Security Clearance
Excellent communication, organizational, and leadership skills
Willingness to take on challenges and learn new things
Desire to be at the forefront of your field
Ability to work individually or in groups
BS/BA in Computer Science, related field, or equivalent experience Salary $200,000 - $240,000 per year