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Software Developer (Systems Software)

Posted February 11, 2026
Full Time

Job Overview

REQUIRED:  Active TS/SCI with Full Scope Polygraph
LOCATION:  Full-time onsite in Chantilly, VA

We are seeking a Software Developer specializing in Systems Software to support the design, development, modernization, and sustainment of mission‑critical applications.  The selected candidate will apply disciplined engineering practices, including Continuous Integration, automated developer‑level testing, and Agile delivery techniques, to architect and implement secure, scalable, service‑based solutions.   

Who We Are:
We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.

Passionate Integrity, Driven by Excellence
Ardent Principles offers a competitive salary range and a comprehensive, industry‑leading benefits package designed to support long‑term stability and employee well‑being. We provide more than a position—we offer a workplace committed to excellence, integrity, and mission‑focused impact.  Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients.

Join us as we continue building the future of secure, high‑impact solutions.

Key Responsibilities

In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with:
  • Utilizing Continuous Integration techniques and tools
  • Designing and architecting systems using modern techniques such as services, multi-tier architecture
  • Designing and instrumenting automated test scripts at the developer level
  • Developing in small increments utilizing technical Agile techniques
  • Implementing industry best practices and associated technical solutions consistent with accessibility standards and agile methodology.
  • Proposing recommendations that provide business value while supporting Customers' goals and objectives, with an emphasis on improving User Experience/User Interface (UX/UI), reducing O&M, increasing quality and speed of delivery, transforming, and modernizing web-based application, system, and service components.
  • Analyzing and documenting web-based application, system, service components and associated interfaces, including those with databases and web services/ APIs to assist in decision-making regarding future development.
  • Developing web-based application, system, and service components and associated interfaces, including those with databases and web services/ APIs to assist in decision-making regarding future development. This experience must include Java and React development.
  • Professional experience operating within a cloud infrastructure such as Amazon Web Services.
  • Working in the full accreditation lifecycle.
  • Managing Tier 1, Tier 2, and Tier 3 support, using service management systems.
  • Developing IT support documents that include SOPs, digital IT workflows, IT knowledge base, pre and post deployment checklists, IT architectural diagrams, system security plans, and administrative processes.
  • Developing and maintaining enterprise software, to include license renewals (where applicable), patching, and version update administration.

Highly Desired Qualifications

Other skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:
  • Working with learning applications.
  • Working with language, compliance, and performance management applications.
  • Working with COTS products.
  • Cloud technologies.
  • Networking and platform hosting technologies.

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