Senior Level Full-Stack Software Engineer with Security Clearance

Integration Innovation, Inc.; Huntsville (AL); On-site; USD 130,000 - 170,000; Full time

Job summary

Integration Innovation, Inc. in Huntsville, AL is seeking a senior full-stack software engineer to support a DoD DoD client with a web-based development and simulation environment. The role involves delivering UI and backend work using ASP.NET Core, React, and TypeScript, in an Agile setting.

The candidate will design software using OO principles, build automated tests, and collaborate across teams while adhering to security and configuration-management practices.

Qualifications

• U.S. Citizenship required.
• 10+ years of relevant experience.
• BS/BA or higher in CS/Engineering/Math.
• Active Secret Clearance or ability to obtain one.
• Experience with C#, JavaScript, TypeScript, ASP.NET, React.
• Experience with HTML/CSS and modern web tooling (Tailwind, Vite, NextJS).
• CI/CD with GitLab; Linux; IaC with Terraform or CloudFormation.
• Containerization with Docker/Kubernetes; DoD IL2/IL4 environments preferred.
• DoDD 8140/8570 certs beneficial.

Responsibilities

• Lead or work with an Agile software team delivering value in small iterations.
• Develop both UI and backend of a large web application.
• Create software designs using OO methodologies and best practices.
• Develop automated unit and integration tests.
• Collaborate with team members to develop system capabilities.
• Other duties as assigned.

Skills

C#

JavaScript

TypeScript

HTML

CSS

Education

Bachelor of Science in Computer Science or related field

Tools

ASP.NET

React

Tailwind

Vite

NextJS

GitLab

Linux

Terraform

CloudFormation

Docker

Kubernetes

Job description

The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports DoD customers in developing cutting‑edge autonomy software architectures to distribute autonomous control across a diverse assortment of uncrewed air, ground, surface, and subsurface platforms. The team is seeking a senior level full-stack software engineer with 10+ years of experience to support a web-based virtual development and simulation environment. This is a new project leveraging a modern tech stack of ASP.NET Core, React, and TypeScript.

Responsibilities

• The candidate will work with or lead an Agile software development team delivering value to a DoD customer in small, incremental iterations.
• The candidate will be responsible for developing both the user interface (UI) and backend of a large web application.
• Candidate will develop software designs using best practices and object‑oriented methodologies.
• Candidate will develop automated unit and integration level tests.
• Routine collaboration with team members in developing system capabilities is expected.
• Other duties as assigned.

Education, Experience and Required skills

• Must be a U.S. Citizen.
• 10+ years of relevant experience.
• Have a Bachelor of Science degree (or advanced degree) from an accredited college (ABET preferred) in computer science, engineering, mathematics, or the hard sciences.
• * Candidate must be a team player and be creative, adaptive, and excited to learn.
• * Candidate must be familiar with good configuration management practices and will be responsible for proper code maintenance, merging, and configuration management.
• * Active Secret Clearance or the ability to obtain and maintain an active Secret clearance or higher.
• Position Location: In office in Huntsville, AL
• * CONUS Travel required: Less than 10%
• Preferred Experience/Skills:
• * Experience with C#, JavaScript, and TypeScript.
• * Experience with HTML and CSS styling.
• * Experience with web tools and frameworks such as ASP.NET, React, Tailwind, Vite, and NextJS.
• * Prefer understanding of agile software development, ideally Extreme Programming (XP).
• * Familiarity setting up and managing CI/CD infrastructure withing GitLab.
• * Experience with Linux is a plus.
• * Familiarity with Infrastructure-as-Code (IaC) tools such as Terraform or CloudFormation.
• * Experience with virtualization technologies like Docker and Kubernetes.
• * Experience developing software within government IL2/IL4 environments is preferred.
• * Any DoDD 8140/8570 certificates are beneficial.
• Knowledge/Skills:
• * Knowledge of office administration and procedures.
• * Exceptional judgment capabilities and relationship management skills.
• * Excellent communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly and tactfully.
• * Interact with a diverse array of customers and staff in a professional and courteous manner.
• * Work independently with accountability for accurate and complete results.
• * Be extremely organized and exceptionally detail oriented.
• * Work well both independently and in a team environment.
• * Be energized by a fast‑paced work environment.
• * Must be able to communicate with others effectively.
• * Analyze information and respond appropriately.
• * Manage time wisely and prioritize tasks.
• * Provide superior customer service.
• * Multi-task in a pleasant manner.
• * Work well under pressure.

Physical Demands

• * The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
• * While performing the duties of this job, the employee is regularly required to talk or hear.
• * The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms.
• * The employee is occasionally required to sit; climb or balance; and stoop, kneel, crouch or crawl.
• * The employee must be able to lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.
• * Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus.
• * Regular i3 hours are 8:00 a.m. - 5:00 p.m. Monday-Friday, however, additional hours may be required on occasion. Regular and punctual attendance is required.