NNCCRS SW Engineer - MTF Message Monitoring App

Essential Qualifications/Experience:

·       Technical Skills:

ü  Backend development using Java; Frontend development using React; Database design and implementation using PostgreSQL; Object-relational mapping using Java Persistence API (JPA); Integration with Microsoft Exchange using Exchange Web Services (EWS) or IMAP; Implementation of authentication and authorization using Keycloak, including integration with Active Directory, Working with X.509 certificates, including handling, validation, and secure usage; Deployment and configuration on Linux environments, preferably Oracle Linux (versions 9 or higher); Configuration and use of Apache as a reverse proxy; Version control using Git

ü   Designing scalable and maintainable system architectures; Implementing role-based access control and fine-grained authorization models; Developing applications with secure coding practices

·       DevOps and Tooling:

ü  Amazon Azure DevOps, including repository management, pipelines, and build automation; Creation and maintenance of CI/CD pipelines; Packaging applications in RPM format; Software deployment automation; Generating technical documentation using LaTeX and automated build pipelines

·       Domain Knowledge:

ü  Understanding of Military Text Format (MTF) messaging standards, or the ability to rapidly acquire such knowledge

ü  Experience with message parsing, validation, and structured data processing; Familiarity with messaging workflows, delivery tracking, and audit requirements

·       Security and Compliance:

ü  Experience in developing applications compliant with strict security standards; Familiarity with NATO Web Application Security Directive or equivalent security frameworks; Ability to implement secure authentication, data protection, and audit logging mechanisms

·       User Experience and Requirements Translation:

ü  Translate user requirements into effective and usable web-based user interfaces; Balance user expectations with web design best practices, ensuring usability across different screen sizes and avoiding overly complex layouts, such as multiple panels or independent scroll areas

·       Methodology, Communication and Collaboration:

ü  Have proven experience working in Agile SCRUM environments; Be capable of participating in sprint planning, reviews, and retrospectives

Desirable Qualifications/Experience:

·       Experience working within controlled or restricted DevOps environments

·       Previous experience working within NATO environments

DUTIES/ROLE:

·       Design the overall system architecture aligned with the prescribed technology stack; Develop backend services for message ingestion, processing, validation, and storage; Develop frontend components for user interaction, including dashboards and detailed views; Implement message parsing and validation logic for MTF messages; Ensure extensibility of configurable elements such as message categories

·       Integrate the application with Microsoft Exchange using EWS to monitor the registry mailbox; Implement authentication and authorization via Keycloak and Active Directory; Implement and manage X.509 certificate usage where required; Ensure proper interaction between frontend, backend, and database components

·       Design and implement the database schema; Ensure efficient storage and retrieval of message data and delivery status information; Implement user and group-based access control within the application

·       Implement tracking of message delivery, read, and acknowledgement status; Develop mechanisms to calculate and display status metrics and percentages; Provide visualization components for operational awareness, including dashboards

·       Implement validation of MTF messages against both generic and type-specific structures; Implement validation of message exchange workflows; Identify and highlight missing actions and inconsistencies

·       Configure and maintain Amazon Azure DevOps pipelines for build and release; Produce deployable RPM packages; Implement and maintain software deployment automation; Ensure the application can be deployed on Oracle Linux environments

·       Produce and maintain documentation in LaTeX format, including User manual, Installation guide and Deployment plan; Ensure documentation is complete, accurate, and aligned with the delivered system

·       Perform unit, integration, and system testing; Support user acceptance testing; Ensure compliance with security and performance requirements

·       Collaborate with stakeholders to refine requirements and priorities; Translate operational needs into practical technical and user interface solutions; Provide technical guidance and recommendations where appropriate; Support troubleshooting and issue resolution during development and deployment