Sr. Software Engineer
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Job Location:
Gaithersburg, MD - USA
Monthly Salary:
$ 104650 - 189175
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber logistics security operations and decision analytics to support our defense and intel customers mission to defend against evolving threats around the world. Our teams focus is to ensure our customers have the right tools technologies and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
The Intelligence Production Solutions Division (IPSD) part of the Decision Advantage Solutions Business Area is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers mission-driven software capabilities across the GEOINT enterprise through secure agile and cloud-native development. As a senior engineer you will lead technical development efforts drive DevSecOps maturity and support our customers evolving mission needs with scalable resilient solutions.
As a leader you will design and implement modern containerized applications in classified cloud environments guiding junior engineers and working directly with mission stakeholders to ensure successful delivery.
Position may be performed in the following locations below. Please note Gaithersburg MD is the programs primary work location.
Gaithersburg MD
Alexandria VA
Chantilly VA
Aurora CO
St. Louis MO
Tucson AZ
Clearance Level Required:
Must have a Top Secret with SCI eligibility and able to obtain a Polygraph.
Primary Responsibilities:
Lead full-stack software development of enterprise applications and services supporting our customers GEOINT mission.
Design and implement secure scalable microservices in cloud environments such as AWS GovCloud or C2S.
Guide and mentor junior and mid-level engineers enforce code quality and lead peer reviews.
Build and deploy applications using DevSecOps pipelines container orchestration and Infrastructure-as-Code tools.
Collaborate with cross-functional teams including analysts UI/UX designers DevOps engineers and product owners.
Translate mission requirements into technical implementations that meet security performance and scalability needs.
Ensure compliance with our customer and IC cybersecurity and accreditation standards (e.g. RMF STIGs).
Basic Qualifications:
US citizenship is required per contract.
Bachelors degree in Computer Science Software Engineering or related field and 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience.
Strong proficiency with the following technologies:
Web:HTML CSS JSON Ajax and REST APIs
Object-oriented Programming:Python Java or JavaScript.
Advanced Programming: Go
Front-end and Back-end Frameworks: React Angular jQuery Spring Boot Django Flask or Svelte.
Cloud Development: AWS Azure or similar cloud platforms
Relational Database:MySQL PostgreSQL or SQL Server
Operating System: Windows Linux
Version Control System:Git
Deep understanding of modern software design patterns and coding standards.
Experience architecting developing and delivering complex software systems into production.
Hands-on experience developing containerized applications with Docker and Kubernetes.
Experience deploying to and developing in classified cloud environments (e.g. C2S AWS GovCloud).
Familiarity with DevSecOps tools and practices (e.g. GitLab CI/CD Jenkins SonarQube Nexus Terraform).
Solid understanding of Agile methodologies and secure software lifecycle principles.
Strong self-motivated desire to learn new programming languages tools frameworks and techniques.
Preferred Qualifications:
Frontend Web Development: UI/UX
NoSQL Database: OpenSearch/Elasticsearch.
Cloud Exposure:
Multi-cloud architectures: AWS IBM Google Azure and Oracle.
Specific AWS Services:S3 SQS SNS EC2 CloudFormation and RDS.
Knowledge of geospatial data formats tools and standards (e.g. OGC GeoServer PostGIS ESRI).
Experience with IC enterprise environments and tools (e.g. Keycloak Vault CloudFormation)
Certifications such as AWS Certified Developer CISSP Security SAFe Agile or similar.
#Chinook
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
October 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 $104650.00 - $189175.00The 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
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
