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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…
Senior Manager – Cybersecurity Operations
Leads a cybersecurity operations team to defend advanced defense systems, run a SOC, hunt threats, and respond to incidents in a highly regulated aerospace/defense environment.
0825-2924LAT| Mid-Level Database Administrator (DBA)
Mid-level DBA responsible for managing, optimizing, and securing SQL Server, Oracle, MySQL, and PostgreSQL databases across dev, test, and production environments, ensuring high availability and performance while collaborating with technical teams to resolve incidents and improve database efficiency.
0825 - 290 - Mid-Level Database Administrator
Mid-level DBA responsible for installing, tuning, and securing SQL Server/Oracle/MySQL/PostgreSQL databases and ensuring high availability and performance across environments.
0126 - 417BIZ |Sr. Windows Administrator
Senior Windows Administrator maintaining and evolving Windows Server environments, Active Directory, and virtualized infrastructure for a hybrid IT services provider.
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.
Technical Support Engineer
About the Role: The Technical Support Engineer (Senior TSE) is a highly skilled problem-solver responsible for diagnosing, troubleshooting, and resolving complex technical issues related to hardware, software, and…
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.
Security Engineer -Privileged Access Management
Designs, deploys, and maintains CyberArk Privileged Access Management solutions, integrating them with enterprise systems and automating tasks via REST APIs.
Senior Software Engineer/DevOps
Build and maintain Azure DevOps environments using Puppet and PowerShell for infrastructure-as-code automation.
Mobile QA
Leads mobile QA strategy, mentors teams, and automates testing (API, mobile, performance) for a global tech services firm, using frameworks like Appium, JMeter, and SpecFlow while driving Agile/Lean processes.
Mobile /Tablet App Testing - iOS & Android
Leads mobile and tablet app testing for iOS/Android, driving automation and performance testing strategies while coaching QA teams on modern engineering practices.
IAM-Saviynt
Designs and implements Identity and Access Management (IAM) systems using Saviynt, including REST/AD/Azure AD interfaces, custom rules, and role provisioning for security compliance.
DevOps x2
Build and maintain AWS-based cloud platforms and design user interfaces for enterprise clients, using IaC (CloudFormation), Python/Bash/PowerShell, and Figma/Sketch.
Azure/Databricks Cloud Architect
Designs and implements cloud-native architectures on Azure and Databricks, automating deployments and ensuring scalable, secure data pipelines and services.
Azure DevOps Engineer
Designs, deploys, and maintains Azure cloud infrastructure using ARM/Terraform and CI/CD pipelines, while writing and testing C# ASP.NET Core applications.
Azure Devops / Platform Eng
Builds and maintains Azure cloud infrastructure and CI/CD pipelines using Terraform, ARM, and Azure DevOps for a product team in Melbourne.
IT Platform Engineer
Designs, automates, and operates cloud and hybrid infrastructure on AWS and Nutanix using Terraform, Ansible, and Python, while collaborating with DevOps and architecture teams.
Infrastructure Engineer
Design, deploy, and maintain cloud and on-prem infrastructure (AWS, Azure, VMware/Hyper-V) while supporting hybrid teams and resolving escalated incidents.
AI Security Specialist
Secure AI environments by assessing Copilot risks, designing Zero Trust architectures, and implementing identity policies for Microsoft 365 and Azure.