Software Developer (TS/SCI CI Poly) (5303) (Chantilly, VA; Herndon, VA; Aurora, CO)

SMX; Herndon (VA); On-site; USD 111,000 - 185,000; Full time

Job summary

SMX seeks a Software Developer to join a fast-paced, defense-focused team in a collaborative environment on-site in Chantilly, VA, Herndon, VA or Aurora, CO. The role requires TS/SCI CI Poly clearance and Security+ certification, with Java development using SpringBoot, OpenAPI, and related libraries, plus Docker, Kubernetes, and Helm for deployments.

The candidate will collaborate with cross-functional teams, write clean code, troubleshoot issues, and ensure performance while following security

Qualifications

• Active TS/SCI CI Poly clearance and Security+ certification.
• On-site role in Chantilly, VA; Herndon, VA or Aurora, CO.
• Proficient in Java with SpringBoot, Mockito, Lombok, OpenAPI (Swagger) and RESTful services.
• Experience with Git and Gradle; familiarity with Kafka, MongoDB, ActiveMQ, NiFi.
• Applications are containerized and deployed on Kubernetes using Helm.

Responsibilities

• Collaborate with cross-functional teams to define, design, and deploy features.
• Write clean, maintainable Java code and manage deployments with Gitlab, Docker, Kubernetes, and Helm.
• Optimize applications for speed and scalability.
• Troubleshoot and debug issues to ensure performance.
• Utilize Jira for project management and tracking.
• Apply security standards and compliance in all work.

Skills

Security clearance TS/SCI CI Poly

On-site work

RESTful design

Java development

Tools

Java

SpringBoot

Mockito

Lombok

OpenAPI (Swagger)

Gradle

Docker

Kubernetes

Helm Charts

Gitlab

Gitlab Runner

Jira

Kafka

MongoDB

ActiveMQ

NiFi

Job description

SMX has an immediate opportunity for a Software Developer who is excited to apply their talents to our customer's challenging project and one who will thrive in a collaborative environment. The ideal candidate is a recognized professional with hands-on expertise and an excellent understanding of engineering processes supporting large, National Defense, Agile software development programs. With a team of system and software engineers in a fast-paced environment you will be an integral part of Intel Community programs.

This role is on site Monday - Friday in either Chantilly, VA, Herndon, VA or Aurora, CO. This position requires the Security+ certification and an active TS/SCI CI Poly clearance.

Essential Duties and Responsibilities:

• Collaborate with cross-functional teams to define, design, and deploy features.
• Write clean, maintainable, and efficient code in Java Utilize Gitlab, Gitlab Runner, Docker, Kubernetes and Helm Charts for deployments.
• Optimize applications for maximum speed and scalability.
• Troubleshoot and debug issues to ensure optimal performance.
• Utilize Jira for project management and tracking.
• Apply standards and protocols to ensure compliance and security.

Required Skills/Experience:

• Clearance: TS/SCI CI Polygraph
• On site support Monday - Friday in Chantilly, VA, Herndon, VA or Aurora, CO
• Security+ certification
• Experience in Java development utilizing various libraries such as SpringBoot, Mockito, Lombok, OpenAPI (Swagger) and other similar libraries developing RESTFul services.
• The software application I is managed through Git and built using gradle.
• Other third-party applications that are utilized is Kafka, MongoDB, ActiveMQ and/or NiFi.
• Applications are containerized and deployed to a Kubernetes cluster using Helm Charts.

Desired Qualifications:

• Experiences with Amazon Web Services (AWS) is also desired.

Application Deadline: September 28, 2026

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:: $110,800 USD - $184,700 USD