×
Register Here to Apply for Jobs or Post Jobs. X

Software Engineer, Cloud Engineer - Software, AI Engineer (Applied​/Software)

Job in Reston, Fairfax County, Virginia, 22096, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-29
Job specializations:
  • Software Development
    Cloud Engineer - Software, Software Engineer, AI Engineer (Applied/Software), Full Stack Developer
Job Description & How to Apply Below
** Description*
* ** Software Engineer (R&D / AI & Data Platforms)*
* ** Leidos - Analysis Solutions Business Area*
* ** Build the future of data, AI, and mission-critical software.*
* Leidos is seeking a talented Software Engineer to help lead the development of next-generation software capabilities within our dynamic research and development environment. In this role, you'll design and deliver innovative Knowledge Management solutions that power data-driven decision-making across critical national security missions.

You'll work at the intersection of  
** data engineering, AI, and full-stack development** , building scalable platforms that transform complex data into actionable insights.

** What You'll Do*
* + Design and develop  
** Knowledge Management systems** , including data pipelines, ontologies, and AI-enabled platforms

+ Build  
** modern web applications**  (front-end and back-end) to support search, discovery, and analysis

+ Develop and maintain  
** ETL pipelines and data lake architectures*
* + Integrate  
** AI/ML capabilities** , including Generative AI and LLM APIs

+ Collaborate across teams to gather requirements and deliver scalable, mission-focused solutions

+ Support  
** data analysis, modeling, simulation, and visualization
** efforts

+ Ensure software quality through testing, validation, and performance optimization

+ Deploy solutions in  
** secure, cloud-based, and containerized environments*
* ** What You Bring*
* + Experience in  
** software development and system design** , with a strong foundation in computer science principles

+ Proficiency in one or more programming languages such as  
** Python, Java, C++, R, or JavaScript/Type Script*
* + Experience building applications using  
** React or Angular** , and back-end frameworks such as  
** FastAPI*
* + Familiarity with  
** SQL and No

SQL databases*
* + Working knowledge of  
** cloud platforms**  (preferably AWS) and containerization technologies (e.g., Docker)

+

Experience with  
** data pipelines, ETL processes, and data management systems*
* + Exposure to  
** Generative AI / LLM APIs**  (e.g., OpenAI, Anthropic, Bedrock)

+ Understanding of  
** software testing frameworks**  (e.g., pytest, Playwright, Jest)

+ Ability to work in  
** Linux/Unix and Windows environments*
* + Strong communication skills and experience collaborating with technical and non-technical stakeholders

** Basic Qualifications*
* + TS/SCI w/Polygraph

+ Bachelor's degree in computer science, Information Systems, Systems Engineering, or a related field

+ Minimum of  
** 1+ years of relevant experience*
* + Interest in supporting  
** Intelligence Community and DoD missions*
* + U.S. Citizenship required

** Preferred Qualifications*
* + Advanced degree (MS) in a relevant technical field

+

Experience with  
** AI/ML, LLMs, and AWS Bedrock*
* + Familiarity with  
** DTRA R&D or Combatant Command environments*
* + Experience integrating  
** COTS/GOTS tools** , including 3D modeling, simulation, or visualization platforms

** What Sets You Apart*
* + Detail-oriented with strong problem-solving skills

+ Comfortable working in  
** fast-paced, ambiguous environments*
* + Able to independently research and implement innovative solutions

+ Effective collaborator who thrives both independently and on teams

+ Strong technical writing and presentation skills

** Why Leidos?*
* At Leidos, your work directly supports critical national security missions. You'll join a collaborative, forward-thinking team where innovation is encouraged and your contributions make a real impact.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

** Original Posting:*
* June 24, 2026

For 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:*
*…
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary