Senior Software Developer - TS/SCI Clearance Required
Senior Software Developer - TS/SCI Clearance Required
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$ 126100 - 227950
1 Vacancy
Job Description
The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research and development organization. This position will be responsible for designing and developing browser-based applications backend data ETL 3D modeling and AI integration. This position requires advanced knowledge (at least 12 years) of computer science application development requirements collection system design data analysis test simulation and verification of software simulation or decision systems. A successful applicant will be able to write various coding languages (for example: Java C Python R JavaScript HTML) construct enterprise solutions using multi-level architectures containerization cloud services database systems and COTS integration (for example: JBoss Tomcat MySQL PostgreSQL MongoDB Docker).
A successful applicant will also need to mentor and lead teams of other subject matter experts guiding and teaching junior and mid-level resources in the process of defining new systems to achieve specific research and development goals.
This software development position leads activities and performs them. It is a critical role within multiple active R&D projects. The focus of this position is on the creation of new novel and imaginative approaches to solving difficult analytical modeling and engineering challenges within the government problem domain.
Required clearance:
Candidates for consideration must possess an active and in-scope Top Secret clearance with the ability and willingness to obtain SCI and Polygraph after start. The program may consider sponsoring a clearance upgrade for the right candidate that holds another lower level US government security clearance as a starting point. This position requires US citizenship.
Required Education Skills and Experience:
- BS degree in Computer Science Information Systems Systems Engineering or relevant systems or science discipline and 12 years of experience or Masters degree and 10 years of experience.
- 3 years experience in the intelligence and/or DoD communities
- 5 years experience with software development
- 5 years Java experience building HTML/JavaScript (eg. Angular) user interfaces data storage back ends in json sql or no-sql databases. Experience building simulation gameboards and scenario-design tools
- 3 years experience delivering tools or solutions to end users guiding them through adaptation and working through emerging requirements.
- 3 years experience with detailed Agent-Based simulations formatting input or post-processing output.
- Ability to conceive of prototype and present new analytic tools that deal with qualitative and user survey collected data as well as geospatial numeric and scientific data and programming
- Capability to execute Extract-Transform-Load (ETL) scripting build custom scripts generate docker containers and collect data within both a Windows and a Linux/Unix environment
- Ability to work closely with users to design build prototype and deploy software systems within highly managed government environments
- Experience documenting software systems using Word PowerPoint or in-line video help
- Experience explaining or teaching software systems in a meeting or conference setting
- Ability to work individually as well as within a larger team construct
- Excellent technical writing communication and customer relation skills
- Highly detailed oriented
- Adept at working in a fast-paced environments
- Ability to resolve complex unclear problems and issues with research and nontraditional solutions
- Expert in creating briefs and documents using Microsoft office
Desired Technical Qualifications:
- MS in degree in Computer Science Information Systems Systems Engineering or relevant systems or science discipline
- Experience with Artificial Intelligence and Machine Learning
- Working knowledge of the Defense Threat Reduction Agency (DTRA) Research & Development Directorate
- Experience working with Combatant Commands
- Ability to work closely with users to design build prototype and deploy software systems within highly managed government environments
- COTS integration experience to include 3D modeling tools simulation applications and visualization tools.
- Ability to design and build software systems from scratch
- Experience to documenting software systems and explaining or teaching software systems in a meeting or conference setting
- Experience delivering tools or solutions to end users guiding them through adaptation and working through emerging requirements
- A history of working with detailed Agent-Based simulations formatting input or post-processing output would be preferred.
- A history of using MASON simulation library especially valuable.
At Leidos we dont want someone who fits the moldwe want someone who melts it down and builds something better. This is a role for the restless the over-caffeinated the ones who ask whats next before the dust settles on whats now.
If youre already scheming step 20 while everyone else is still debating step 2 good. Youll fit right in.
Original Posting:
September 3 2025For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $126100.00 - $227950.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Senior IC
Employment Type
Full-Time
