• Location: Reston, Virginia
  • Type: Contract
  • Job #3246

Title: Software Engineer
Location: Reston, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Cloud Services:

  1. Experience with the Sponsor’s cloud environment.
Java and Python Programming:

  1. Programming in Java and Python


Demonstrated experience building and maintaining secure web applications on the Sponsor’s network JWICS C2S network  
Designing, developing, querying and maintaining ElasticSearch/AWS OpenSearch and related technologies  
Writing and tuning complex queries against structured and unstructured data sets using both SQL and ElasticSearch/OpenSearch languages  
Integrating Services C2S services including Lambdas, SNS, SQS, etc.  
Integrating AWS services including Lambdas, SNS, SQS, etc., in the sponsor’s classified environment  
Demonstrated experience leveraging a background in programming, software tools and packages, operating systems, and networking to solve collection needs in cloud environments.  
Demonstrated experience with the ability to listen and transcribe from mission need to technical requirements for Sponsor consideration.  
 Demonstrated experience with the ability to reflect back an understanding of the mission need described and convey how a technical solution will deliver mission results.  
Demonstrated experience prioritizing work based on mission need.  
Demonstrated experience documenting and communicating technical and non-technical mission requirements for all audiences.  
Demonstrated experience working with other technical teams across multiple organizational boundaries.  
Demonstrated experience with assessing project requirements and making informed recommendations.  
 Demonstrated experience with Python.  
Demonstrated experience with Linux shell scripting.  
Demonstrated experience building Docker containers and images.  
Demonstrated experience with cloud services, including Lambda functions and layers, S3, Batch, EC2, EventBridge, SQS, SNS, IAM roles, DynamoDB, and container services.  
Demonstrated experience using AWS Cloud Development Kits (CDK). (CloudFormation, Terraform or similar are NOT substitutes for CDK experience)  
Demonstrated experience transforming data in various file formats into common formats, such as JSON, CSV, or XML.  
Demonstrated experience working with application developers to identify and implement infrastructure and deployment requirements.  
DESIRED: Demonstrated experience with tools, such as IDA Pro, Ghidra, JADX, or APKtool.  
 DESIRED: Demonstrated experience with multiple cloud providers.  
DESIRED: Demonstrated experience with other programming languages besides Python.  


Attach a resume file. Accepted file types are DOC, DOCX, PDF, HTML, and TXT.

We are uploading your application. It may take a few moments to read your resume. Please wait!