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DevOps engineer
DevOps engineer builds and maintains AWS-based CI/CD pipelines, observability, and hybrid cloud infrastructure for a South African bank’s PCI-DSS systems.
AI Platform Engineer
Build and scale a cloud-native AI platform using Kubernetes/OpenShift, integrating RAG pipelines, model serving, and AI agent orchestration to support enterprise-scale AI workloads.
Senior C++ Software Engineer
Senior C++ engineer building high-performance backend systems for camera and detector data acquisition in advanced scientific research environments.
Senior Network Infrastructure Engineer (Cisco ACI)
Senior Network Engineer designing and owning a large Cisco ACI data-center network, automating with Ansible/Git, and driving high-availability infrastructure for a Swiss enterprise.
0425-195HTS - System Architect
Designs and maintains scalable, resilient cloud and Kubernetes infrastructure on AWS, automating deployments with Terraform and CI/CD pipelines while ensuring SRE best practices.
0925 - 307URB | SRE Ssr
Site Reliability Engineer maintains and scales cloud infrastructure using Kubernetes, Docker, and CI/CD pipelines while ensuring high availability and observability.
0925 - 306URB | SRE Sr
Senior Site Reliability Engineer builds and maintains scalable, resilient infrastructure using Docker, Kubernetes, and CI/CD pipelines to ensure high availability and observability for critical platforms.
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.
1125 - 375HIT | SysAdmin CI/CD
Maintains Linux servers and cloud pipelines (AWS/Azure) to automate deployments and resolve critical incidents for a Latin American streaming platform.
1225 - 405PIC | MLOps Engineer
Build and automate cloud infrastructure for AI/ML models and agents, deploying scalable pipelines on AWS/GCP/Azure with Kubernetes, CI/CD, and observability tools.
IT Network Engineer
Designs, secures, and maintains enterprise networks for defense systems, including LAN/WAN, VPN, and cloud, while enforcing DoD STIGs and zero-trust principles.
DevOps Engineer
Leads DevOps teams to improve code quality, security, and delivery speed by mentoring engineers, automating processes, and designing scalable cloud architectures using Kubernetes, Docker, and AWS/Azure.
DevOps Engineer -
Build and automate cloud infrastructure on Azure, deploy updates, and troubleshoot production issues using Kubernetes, Terraform, and CI/CD pipelines.
Cloud Analyst
Analyzes and optimizes cloud infrastructure (AWS/Azure/GCP) for performance, security, and cost, using automation and monitoring tools.
Technical Lead-DevOps
Lead the CI/CD pipeline, coach teams on DevOps practices, and drive cloud-based infrastructure automation using tools like Terraform and Ansible to speed up software delivery.
Software Engineer/Full Stack
Build and maintain high-performance broadband and mobile platforms for millions of users using Perl, Python, Linux, and open-source tools in a large ISP environment.
Software Engineer ML applications
Builds and maintains cloud-native infrastructure and ML application pipelines using Python, Ansible, Kubernetes, and AWS tools; focuses on DevOps/SRE best practices like CI/CD, monitoring, and security.
Senior_Security-Engineer
Designs and secures next-gen data-center networks using Cisco ACI, Python, Ansible, and Terraform, with multi-cloud integrations and containerized solutions.
Platforms Architect
Designs and implements cloud infrastructure and platform solutions for enterprise clients, focusing on AWS, IaC (Terraform), DevOps pipelines, containerization, and compliance. Leads high/low-level architecture designs with deep Linux and security governance expertise.