Senior Infrastructure / Cloud Engineer

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About the Role CBS is seeking a Senior Infrastructure/Cloud Engineer to lead the design, automation, and security of our hybrid infrastructure landscape. This is a senior individual contributor role requiring deep technical expertise across systems administration, networking, Infrastructure-as-Code, container orchestration, and Azure cloud, combined with the ability to mentor junior engineers, drive architectural decisions, and own critical infrastructure and security initiatives end-to-end.

Own the architecture, administration, and hardening of Linux and Windows server environments across the organization. Design and govern network security architecture — firewalls, forward/reverse proxies, DMZ zones — ensuring alignment with enterprise security standards. Lead the development of Infrastructure-as-Code standards and reusable Terraform modules for scalable, repeatable provisioning. Architect and build advanced Python-based automation frameworks to reduce manual operations and improve reliability. Drive deployment strategy and lifecycle management for applications across environments, ensuring high availability and performance. Lead design, scaling, and troubleshooting of Kubernetes clusters in production environments, including capacity planning and incident response. Own administration and governance of container registries (Harbor) — including image lifecycle policies, RBAC, and integration with vulnerability scanning pipelines. Architect and manage Microsoft Azure infrastructure (networking, compute, storage, identity) with a focus on scalability, cost optimization, and security. Lead vulnerability remediation initiatives across the estate — including OS kernel patching and Java JDK version/patch management — establishing proactive patch management processes. Drive root-cause analysis for critical infrastructure incidents and lead post-incident reviews. Mentor and provide technical guidance to junior and mid-level engineers. Partner with security, application, and DevOps teams to define infrastructure standards, compliance posture, and best practices. Evaluate new tools/technologies and make recommendations to improve infrastructure maturity. Create and maintain high-quality documentation, architecture diagrams, and runbooks. Required Skills & Qualifications Operating Systems Deep expertise in both Linux (RHEL/Ubuntu/CentOS) and Windows Server administration, including performance tuning and hardening. Networking & Security Strong command of networking fundamentals, firewalls , forward and reverse proxies , and DMZ architecture design. Proven experience securing enterprise network environments and troubleshooting complex network issues. Automation & Scripting Advanced, hands-on experience writing and architecting Terraform modules for multi-environment provisioning. Strong proficiency in Python for building automation frameworks and tooling, not just scripts. Containers & Orchestration Deep, production-grade experience with Kubernetes — cluster architecture, scaling, troubleshooting, and operations at scale. Proven experience administering container registries , particularly Harbor , including governance and security integration. Cloud Strong, hands-on Microsoft Azure expertise across compute, networking, storage, and identity, with experience designing cloud architecture. Security & Patching Proven track record remediating OS kernel vulnerabilities at scale. Strong experience managing Java JDK patch/version lifecycles across environments. Experience building or improving vulnerability management/patch