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Software Developer - Engineer IV Security Clearance

Job in Reston, Fairfax County, Virginia, 20190, USA
Listing for: Noblis
Full Time, Part Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Cloud Engineer - Software, DevOps
Job Description & How to Apply Below
Position: Software Developer - Engineer IV with Security Clearance
Responsibilities Noblis is seeking a highly skilled and motivated Software Engineer IV with an active Top Secret/SCI with Polygraph clearance to join our team in support of national security missions. The ideal candidate will design, develop, and maintain complex, secure, and scalable software systems in a fast-paced Agile environment. You will work on full-stack development, cloud-based applications, and mission-driven tools.

Roles and Responsibilities:

* System Development:
Design, code, test, and debug high-performance, secure software applications in a Linux environment.
* Full-Stack Development:
Implement modern frontend interfaces (React, Angular) and backend services (Java, Python, Node.js).
* Cloud Architecture:
Develop and deploy applications within secure cloud environments (AWS Gov Cloud, C2S) using containerization technologies such as Docker and Kubernetes.
* Dev Sec Ops  & CI/CD:
Implement and maintain automated build pipelines (Git Lab CI/CD, Conda) to ensure secure, rapid, and reliable software delivery.

* Collaboration:

Participate in Agile/Scrum ceremonies, including sprint planning, daily stand-ups, and retrospectives.
* Documentation:
Create and maintain comprehensive documentation for software design, interfaces, and test procedures.
* Mentorship:
Provide technical guidance to junior developers and conduct peer code reviews.

Required Qualifications
* Clearance:
Active Top Secret SCI (TS/SCI) with Polygraph
* Citizenship: U.S. Citizenship is required.

* Education:

Bachelor's degree in Computer Science, Engineering, or a related technical discipline.

* Experience:

12+ years of software development experience

* Languages:

Strong proficiency in Java or Python and experienced in AWS.
* Frontend:

Experience with modern web frameworks (React or Vue).
* Backend/Dev Ops:

Experience with RESTful APIs, microservices, and Docker. Conda, Postgre

SQL, Container Orchestration and OIDC authentication
* Environment:

Demonstrated proficiency in Linux/Unix command-line tools. Desired Qualifications
* STEM focused degree
* Experience with Infrastructure-as-Code (Terraform) and AWS services (S3, Lambda, SQS, SNS).
* Experience with No

SQL databases (Mongo

DB, Elasticsearch/Open Search).
* Proficiency using Typescript, Terraform, CDK, FastAPI, and Streamlit
* Relevant certifications: AWS Certified Developer or Certified Solutions Architect (or working towards either of these certifications), CISSP, or Security+. Overview Noblis and our wholly owned subsidiaries, Noblis ESI , and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions.

Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis
-About Us Why work at a Noblis company? Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards . Noblis maintains a drug-free workplace.

* Remote/hybrid status is subject to change based on Noblis and/or government requirements Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us .

EEO is the Law | E-Verify | Right to Work Total Rewards At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards.

Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills,…
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