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Backend Engineer / DevOps
Build and scale backend services and Azure cloud infrastructure for a property-tech platform, using PHP/Node.js and DevOps tooling to deliver reliable, secure APIs and CI/CD pipelines.
Backend Engineer, Generalist
Backend Engineer role focusing on developing and enhancing a cloud-based property and content management platform, plus a Booking & Request Management Platform. Core technologies include PHP (Symfony), Node.js, Azure, MySQL, and NoSQL databases.
Senior Cybersecurity Architect
Leads the design and implementation of secure, resilient cybersecurity systems for a defense contractor, embedding Zero Trust and compliance frameworks like NIST SP 800-171 into hardware and software lifecycles.
Senior Manager, Classified Networks Administration
Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive…
1125 - 377HIT | SysAdmin Cloud
Senior SysAdmin to manage and secure AWS/Azure cloud infrastructure for a leading LATAM streaming platform, using Kubernetes, Terraform, and monitoring tools.
Senior Analyst – Secrets Management
Oversee secure storage, rotation, and access control for credentials and API keys using tools like HashiCorp Vault and AWS Secrets Manager.
Programmer Analyst Integration
Develop and integrate software solutions using Java, C#, SQL, and APIs to ensure system interoperability and reliability for a fintech-focused team.
DevOps Engineer
Build and maintain CI/CD pipelines, automate infrastructure, and ensure scalable, secure systems using Docker, Kubernetes, and cloud platforms.
Chief Information Security Officer (CISO)
Lead enterprise-wide cybersecurity strategy, protect systems and data, and ensure compliance with frameworks like ISO 27001 and GDPR while managing risk and incident response.
Chief Cybersecurity Officer (CCSO)
Lead enterprise cybersecurity strategy, oversee SOC and incident response, embed DevSecOps, and ensure compliance with frameworks like ISO 27001 and NIST CSF across cloud and hybrid environments.
Application Security Consultant
Embed security into software development by assessing apps for vulnerabilities, performing SAST/DAST scans, and guiding secure SDLC practices across web, mobile, and APIs.
Tester Developer
Build and maintain automated test suites for microservices and APIs using Java, JavaScript, Jest, Mocha, Cypress, and Groovy; drive CI/CD pipeline improvements and DevOps practices.
Frontend Developers
Builds reusable UI components and workflows in JavaScript (Node/Angular) that interact with network provisioning platforms, integrating APIs and deploying via CI/CD pipelines in an Agile/DevOps environment.
DevSecops
Build and secure AWS-based cloud infrastructure using Python, Java, and IaC tools like CloudFormation/CDK, automating security controls and CI/CD pipelines for scalable, highly available applications.
Backend Developers
Build and maintain Java-based microservices and APIs to automate fixed-network provisioning and operations for Telstra’s platforms, using cloud and on-prem tech.
Architect
Solutions architect designs and implements Azure cloud architectures, leads a team of architects, and oversees cloud migration projects using DevOps and Agile practices.
Senior DevSecOps Engineer
Build and enforce secure CI/CD pipelines using GitHub Actions, SonarQube, and JFrog; integrate SAST/SCA, secrets management, and container governance to harden software delivery.
ENGENHEIRO DevSecOps
Implement DevSecOps practices, secure CI/CD pipelines, and harden Kubernetes/Docker environments using SAST/DAST/SCA tools, Terraform, and Linux hardening techniques.
Application Security Engineer
Build and enforce secure software practices across teams, integrating SAST/DAST/SCA tools into CI/CD, and hardening cloud and Kubernetes environments.
AI Security Architect
Design and enforce security controls for AI platforms, LLMs, and GenAI workflows, performing threat modeling and architecture reviews to mitigate risks like prompt injection and data leakage.