Mid-Level Software Engineer

Colorado Psychiatric; Englewood (CO); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

Health benefits

Paid leave

Retirement

Job summary

Leidos is seeking a Mid-Level Software Engineer for the Chinook Program supporting an IC customer. You will design, develop, test, deploy, and maintain a software application powering critical national security missions.

You’ll translate requirements into software solutions, implement features, and help establish secure coding practices. Engage in CI/CD, DevSecOps, and containerized environments as part of an agile team.

Qualifications

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Software Engineering, or related field with 4–8 years of experience, or Master’s with less than 2–6 years.
• Proficiency with web tech (HTML, CSS, JSON, Ajax, REST APIs) and OOP languages (Python/Java/JavaScript).

Responsibilities

• Design, develop, test, deploy, and maintain software for GEOINT mission.
• Translate requirements into scalable software solutions and APIs.
• Develop unit, integration, and automated tests; perform code reviews.
• Support CI/CD, DevSecOps, and containerized environments.

Skills

HTML/CSS/JSON

REST APIs

Python/Java/JavaScript

React/Angular/Vue

AWS/Azure

SQL/NoSQL

Git

CI/CD (GitLab/Jenkins)

Education

Bachelor's degree in CS/Software Eng

Tools

Docker

Kubernetes

Jenkins

GitLab CI

Job description

Turn Your Engineering Experience Into Mission Impact

You’ve built your software engineering foundation. Now it’s time to take ownership of technology that truly matters. Leidos is seeking an accomplished Mid-Level Software Engineer to join the Chinook Program supporting an Intelligence Community (IC) customer and helping evolve an application supporting important national security objectives.

Position may be performed in the following locations below.

• Tucson, AZ
• Gaithersburg, MD
• Alexandria, VA
• Chantilly, VA
• Englewood, CO
• St. Louis, MO

Clearance Level Required:

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.

Primary Responsibilities:

• Design, develop, integrate, test, deploy, and maintain a software application that supports our customer’s GEOINT mission.
• Translate functional and technical requirements into software solutions.
• Independently implement moderately complex software features.
• Develop maintainable, scalable, and secure application components.
• Develop and consume RESTful APIs and backend services.
• Work with relational and/or NoSQL databases.
• Troubleshoot application defects, integration issues, and performance problems.
• Perform root-cause analysis and implement corrective actions.
• Develop unit, integration, and automated tests.
• Participate in code reviews and establish high-quality coding practices.
• Support CI/CD and DevSecOps processes.
• Contribute to containerized application environments.
• Participate in agile ceremonies, sprint planning, backlog refinement, demonstrations, and technical working sessions.
• Collaborate with Test Engineering to ensure features meet acceptance criteria and quality expectations.
• Support deployment, monitoring, and sustainment of the application.
• Identify opportunities to improve application performance, reliability, maintainability, and security.
• Provide technical guidance to junior engineers.
• Maintain appropriate software and technical documentation.

Basic Qualifications:

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Software Engineering, or related field and 4-8 years of prior relevant experience or Master’s with less than 2-6 years of prior relevant experience. Equivalent experience may be considered in lieu of degree.
• Proficiency with the following technologies:
• Web: HTML, CSS, JSON, Ajax, and REST APIs
• Object-oriented Programming: Python, Java, or JavaScript
• Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, 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
• Understanding of modern software design patterns and coding standards.
• Experience architecting, developing, and delivering complex software systems into production.
• Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence).
• Familiarity with cloud environments such as AWS (C2S or GovCloud) and containerization technologies (Docker, Kubernetes).
• Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs).
• Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:

• Experience supporting Intelligence Community (IC) mission systems.
• Experience with geospatial, intelligence, or other mission-specific data and workflows.
• Experience with AWS and cloud-native architectures.
• Experience with Infrastructure-as-Code (Terraform, Ansible, CloudFormation).
• Experience with GitLab CI/CD, Jenkins, SonarQube, Nexus, Vault, or Keycloak.
• Experience with PostgreSQL, MySQL, SQL Server, OpenSearch/Elasticsearch, or similar technologies.
• Experience with event-driven architectures and messaging technologies.
• Experience with observability, monitoring, logging, and application performance management.

#Chinook

#NSBA

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:

October 15, 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:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.

More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.