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

Space Programs; South Dakota; On-site; USD 111,000 - 185,000; Full time

Job summary

SMX is seeking a Software Developer to join a collaborative, fast-paced team supporting national defense programs. The role focuses on Java-based RESTful services, containerized deployments, and Kubernetes orchestration in a secure environment.

On-site work is required Monday–Friday in Chantilly, VA, Herndon, VA, or Aurora, CO, with Security+ and TS/SCI CI Poly clearance expected. The team emphasizes engineering rigor, modern toolchains (Git, Gradle, Docker, Kubernetes, Helm), and adherence to

Qualifications

• 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 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.

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.

Skills

Java development

RESTful services

Security clearance TS/SCI CI Poly

Git/Gitlab usage

Tools

SpringBoot

Mockito

Lombok

OpenAPI (Swagger)

Kafka

MongoDB

ActiveMQ

NiFi

Docker

Kubernetes

Helm Charts

Gradle

Git

Jira

AWS

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

#cjpost

#LI-Onsite

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-$184,700 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward‑looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).