Applications Developer (O & M Software Cycle)

Ardent Principles, Inc.•Chantilly, VA

9d•Onsite

About The Position

We have an immediate need for a mission‑driven Applications Developer (SME level) to support end‑to‑end O&M activities, from issue tracking and troubleshooting to testing, performance validation, and feature deployment. The ideal candidate brings strong experience with ServiceNow, Cognos, SPSS, Oracle SQL/TM1, and modern UI frameworks, along with a disciplined approach to DevSecOps, accessibility standards, and cloud‑native infrastructure management. This role requires a developer who can navigate complex HR‑related datasets, maintain secure and accredited applications, and deliver polished, user‑focused solutions. Who We Are: Ardent Principles delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, and IT program management. We thrive at the intersection of mission, technology, and innovation. Passionate Integrity, Driven by Excellence At Ardent Principles, we don’t just offer jobs—we build careers rooted in purpose. Our competitive salary ranges and industry‑leading benefits are designed to support long‑term stability, growth, and overall well‑being. We’re committed to creating an environment where talented people can do their best work and feel valued while doing it. Join us as we continue building the future of secure, high‑impact solutions.

Requirements

Active TS/SCI with Full Scope Polygraph
ServiceNow
Cognos
SPSS
Oracle SQL/TM1
modern UI frameworks
DevSecOps
accessibility standards
cloud‑native infrastructure management
HR‑related datasets
secure and accredited applications
JavaScript/JQuery/AJAX
HTML/CSS
Angular
Update Sets
ServicePortal
Section 508
WCAG
Unit Testing
System/Integration Testing
User Acceptance testing
.NET MVC web application design and development
Custom Ruby-on-Rails web application design and development
Linux and Windows Cloud Server management
cloud-native scripting languages
enterprise tools and frameworks
ICD-503 process

Nice To Haves

Working with HR systems and tools
Working with large datasets
Survey administration and response analysis
Tableau, Power BI, or other data analytics tools
Project Management principles
Agile Development principles
RMF Framework
Agile principles

Responsibilities

All phases of the Operation and Maintenance (O&M) Software Lifecycle model, tracking issues and managing trouble tickets, testing software, writing test cases, and performance testing.
Using ServiceNow
Using COGNOS and IBM SPSS Statistics, understanding SPSS syntax, and experience converting it into Cognos reports.
Using Oracle SQL and TM1.
JavaScript/JQuery/AJAX, HTML/CSS, Angular, or similar frameworks used to develop and implement User Interface and application components within the platform.
Utilizing Update Sets in conjunction with the lifecycle management and promotion of features and bug fixes throughout the environment stack.
Using ServicePortal for UI Development of web interfaces.
Developing and maintaining applications to meet required Accessibility standards (Section 508 and more robust WCAG and organizational standards).
Working with HR-related and customer-specific datasets including limitations of those datasets and system/data flow dynamics.
Unit Testing, System/Integration Testing, and User Acceptance testing concepts and activities in the customer environment.
Using customer-approved DevSecOps tools and concepts to support the Security-focused design of highly usable and dynamic applications.
.NET MVC web application design and development.
Custom Ruby-on-Rails web application design and development.
Linux and Windows Cloud Server management.
Managing Cloud infrastructure through cloud-native scripting languages and must-use enterprise tools and frameworks.
Using the ICD-503 process for accrediting applications and systems within the sponsor network, including submission of evidence, and leading remediation efforts to address any risks or identified issues.