Senior Software Developer Security Clearance

Position: Senior Software Developer with Security Clearance
Responsibilities This opening is in support of a proposal effort (Anticipated Start: August 2026) and is contingent upon contract award Overview:
We are building a talent pipeline in support of an upcoming Defense Threat Reduction Agency (DTRA) contract proposal, with anticipated work beginning in August 2026. This position will support mission-critical efforts related to cyber capabilities and advanced software development supporting national security missions. We are currently gathering interest and pre-qualifying candidates for a Senior Software Developer position:
In this role you will lead the the design, development, and implementation of robust software solutions supporting mission-critical cyber capabilities. You will also provide technical expertise in full-stack development, system architecture, and cross-platform application development in secure environments. Work will be performed on-site at Noblis HQ in Reston, VA, pending award. All candidates must possess a Top Secret clearance with SCI eligibility.

Next Steps These are pipeline positions only at this stage. If you are interested in being considered once the contract is awarded, please submit your resume. Qualified candidates will be contacted for preliminary screening during the proposal phase, with interviews anticipated closer to the award timeline.

Required Qualifications
* Bachelor's Degree in a relevant field and 8+ years of professional software development experience
* Expert-level proficiency in Python and C programming languages
* Extensive experience developing applications for both Linux and Windows platforms
* Strong experience with Postgre

SQL database design, development, and optimization
* Deep understanding of software architecture and design patterns
* Experience with system-level programming and low-level optimization
* Strong debugging and troubleshooting skills across multiple platforms
* US Citizen and Current Top Secret clearance with SCI eligibility Desired Qualifications
* Strong background directly aligned with the technical or analytical specialty area
* Experience supporting DoD, interagency, or national security missions is highly desirable
* Understanding of security best practices for your role in classified environments
* Strong analytical, communication, and writing skills
* Experience with version control systems (Git) and Agile methodologies
* Proven ability to lead technical initiatives
* Experience developing software for cyber operations or security applications
* Experience with CI/CD pipelines and Dev Ops practices
* Proficiency with containerization technologies (Docker, Kubernetes)
* Knowledge of RESTful API integration and microservices architecture 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.…