Senior Site Reliability Engineer - OCI Infrastructure

About the role

JLL's Technical Engineering team is looking for a Senior Site Reliability Engineer to be the technical authority for the Oracle Cloud Infrastructure (OCI) platform that hosts its enterprise applications, including JD Edwards EnterpriseOne, Peoplesoft, Essbase, Oracle Analytics Cloud, GoAnywhere, ReportsNow, MagicSoft and BTAP. The role covers compute, storage, networking, security, identity and database services, with strong automation in Terraform and Ansible, and works with Application, Database, Security, Network and Production Support teams.

Key responsibilities

• Design, build and operate OCI landing zones and workloads, including compute, Secure Desktop, Linux and Windows, and block, file and object storage.
• Maintain OCI networking (VCNs, subnets, DRG, FastConnect, IPsec, load balancers, private endpoints, DNS) and hybrid connectivity to Azure, AWS and on-premises.
• Own the security posture: Fortigate, OCI WAF, Okta Access Gateway, OCI Vault, certificate lifecycle, Bastion hosts, and vulnerability and compliance findings via Wiz.
• Manage identity and access across OCI IAM/IDCS, Okta and Microsoft Active Directory, including federation and dynamic groups.
• Support Oracle Database, Autonomous Database, Exadata and SQL Server, partnering with DBAs on availability, performance, patching and recovery.
• Strengthen observability with Oracle Enterprise Manager, OCI Monitoring, OCI APM and Logging Analytics.
• Build infrastructure as code with Terraform and configuration management with Ansible.
• Apply Oracle Analytics Cloud, OCI Generative AI and Oracle Digital Assistant to monitoring, automation and operational insight.
• Host and secure AI agent and MCP services on OCI, with guardrails, human-in-the-loop controls and audit logging.
• Lead incident response, on-call support (primarily Americas), weekend maintenance windows and medium-sized reliability and migration projects.
• Coach less experienced colleagues and uphold change management, audit and SOX compliance and disaster recovery standards.

Required profile

• Ability to work on-call, mainly covering Americas hours, and support weekend administrative activities.
• Several years of experience architecting and operating public cloud infrastructure, with hands-on OCI experience across compute, storage and networking.
• Experience with cloud and network security, identity and access management, and infrastructure-as-code.
• Working knowledge of Oracle Database and SQL Server, and of LLM concepts and GenAI services.
• Experience hosting enterprise applications such as JD Edwards EnterpriseOne, Peoplesoft and Essbase.
• Independent problem solving, strong communication and collaboration with distributed teams.

Required skills

• OCI, Terraform, Ansible, Linux and Windows administration and scripting (including Python)
• Oracle Database, SQL Server, Oracle Autonomous Database and Exadata
• OCI IAM/IDCS, Okta, Microsoft Active Directory, Fortigate, OCI WAF, OCI Vault, Wiz
• Oracle Enterprise Manager, OCI Monitoring, OCI APM, Logging Analytics
• Preferred: multi-cloud (Azure, AWS), MCP servers, Oracle AI portfolio, Oracle Analytics Cloud, GenAI use cases, SOX controls, SRE practices (SLOs, error budgets, postmortems)