Cyber Security Engineer

Application Deadline: 23 January 2026

Department: Data Analysis and Technology Services

Employment Type: Full Time

Location: McLean, VA

Description

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

We are seeking a highly capable Cyber Security Engineer with the technical depth and operational discipline to secure complex, cloud‑native systems in a modern Enterprise SecDevOps environment.   The ideal candidate excels at hardening cloud infrastructure through infrastructure‑as‑code, enforcing resiliency and on‑demand scaling practices, and ensuring secure deployment, operation, and maintenance of web services. 

With a competitive salary and industry-leading benefits, Ardent Principles offers more than just a job - we offer a career path filled with growth and opportunities. Join us and let's shape the future together!

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" signifies our unwavering commitment to excellence, driven by a profound passion and a strict adherence to ethical values. We believe that happy employees make for happy clients. 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.

Key Responsibilities

In this mission‑critical role, you fuel the secure innovation that keeps our organization advancing. You must have demonstrated experience with or in:

• Software design and development using the full suite of Enterprise SecDevOps tools to support Continuous Integration / Continuous Development services and microservices on a cloud infrastructure.
• Full stack web application software development using Vue (Javascript), FastAPI (Python), and PostgreSQL (managed Amazon Web Service (AWS) Relational Database Service (RDS).
• Cloud infrastructure-as-code networking and service administration, to include deploying, operating, and maintaining web services on a cloud infrastructure.
• Implementing could infrastructure resiliency and on-demand scaling practices.
• User interface engineering, to include creating, promoting, and supporting standards for usability excellence.
• Architecting, designing, and developing large scale data solutions to provide efficient searching, analytical, and reporting capabilities.
• Entity resolution on large and continuously growing data sets.
• Facilitating Assessment and Authorization processing.
• Managing data set permissions.
• IT security compliance for systems, to include auditing and monitoring.
• Developing and implementing configuration management plans and processes for software applications and underlying databases.
• Working with operating systems including FidOS and CLSE.
• Developing containerized (Podman) applications.

Highly Desired Qualifications

Other skills and demonstrated experiences with or in the following are highly desired but not mandatory to perform the work include:

• Certification in cloud architectures and services.
• Operating and maintaining systems on JWICS (Joint Worldwide Intelligence Communications System).
• Ingesting data records into software applications.
• Handling exceptional records, as defined by Sponsor regulations, and proper safeguarding of US person information.
• Designing and developing content on digital platforms such as Confluence that provide corporate messages, training, troubleshooting tips, and other content to the user base.
• Designing and developing Artificial Intelligence and Machine Learning algorithms at scale, and other deep learning systems.
• Using Sigma and Analytic Workbench platforms to perform quality control and quality assurance checks on Sponsor application performance against raw data holdings.
• Developing and deploying applications via Kubernetes or similar container cluster orchestration management systems such as Amazon Web Services (AWS) Elastic Kubernetes Service (EKS).
• Developing applications using Sponsor developed CookieCutter templates.
• Using Sponsor tools to facilitate Assessment and Authorization processing.
• Using Sponsor tools to manage data set permissions.
• Working with Sponsor developed development and production operating systems including FidOS and CLSE.

What We Offer You