• Documentation and knowledge transfer troubleshooting in Linux • Logging and auditing in Linux • Automation of Linux and other application related processes with Jenkins and Ansible Core • Provide scripting and automation for Linux administration • Manually find and resolve Linux issues • Modify existing software to correct errors, adapt to new hardware, or improve its performance • Analyze user needs and software requirements to determine feasibility of design within time and cost constraints • Confer with others to design systems and obtain information on project limitations and capabilities, performance requirements, and interfaces • Store, retrieve, and manipulate data for analysis of system capabilities and requirements • Responsible for building and setting up new development tools and infrastructure utilizing knowledge in continuous integration, delivery, and deployment (CI/CD), Cloud technologies, Container Orchestration, and Security • Build and test end-to-end CI/CD pipelines, ensuring that systems are safe against security threats

• Providing network operations and support for Varian’s cloud solutions • Configuring and supporting backbone connections over ExpressRoute • Collaborating to quickly resolve any network related outages • Contributing to the successful execution of projects

• Providing network operations and support for Varian’s cloud solutions • Private, public and hybrid infrastructure, network and security • Assisting with upgrading, installing, and configuring various cloud solutions including monitoring, application access, security, Palo Alto Networks (Highly Recommended), Citrix NetScaler, Citrix ADC • Assisting with reporting on current infrastructure status, and planning for future usage • Configuring and supporting backbone connections over ExpressRoute (Azure), and direct connection and VPN architecture • Maintaining allocation of IP CIDR block, perform maintenance involving modification of network, subnets, vlans, routes etc • Verifying and action on events aggregated from network monitoring tools and Web Application Firewall using Varian approved tools • Troubleshooting and determining root cause of issues • Collaborating to quickly resolve any network related outages and resolve customer impacting issues quickly • Contributing to the successful execution of projects • Creating, updating, and completing documentation • Investigate root cause analysis of incidents with follow up reporting and final content generation • Collaborating with network engineers on procedures, techniques, tips & knowledge to improve operations, security and work performed • Providing the highest level of customer service • Advance understanding of vendor and telco/exchange/service providers support escalation paths and being able to escalate support requests to these vendors in a typically urgent and timely fashion • Appling network system updates, patches, configuration changes • Planning network layouts and configures systems to user environments • Serving as a technical mentor to colleagues as necessary • Staying up to date with assigned Learning Management System courses • Maintaining a strong knowledge of Varian’s suite of applications • Eagerness to provide the highest level of customer service • On call support as required

• Choose your focus — you don’t have to do everything! • Depending on whether your passion is infrastructure or code, we’ll decide together where your focus will be. • Development · Backend features in Python/Django (REST Framework) — from telephony routing and billing to calendar integrations • Real-time audio pipelines: WebSockets, Voice Activity Detection, integration with LLM live APIs (Gemini Live, Azure OpenAI) • RAG systems with pgvector and embeddings • Frontend in React/TypeScript (Vite, Tailwind, TanStack Query) • DevOps & operations · Container infrastructure with Docker/Docker Compose, CI/CD pipelines • Operation of PostgreSQL, Redis, Celery, Centrifugo (WebSocket server) • Deployment, monitoring and scaling of our dev, staging and production environments • Telephony infrastructure (Twilio, SIP)