Senior SRE - Enterprise Infrastructure & Hybrid Cloud

Synopsys, Inc.; United Kingdom; On-site; GBP 110,000 - 150,000; Full time

Job summary

Synopsys, Inc. seeks a senior infrastructure engineer to own the reliability and health of core directory and network services. You will lead incident response, capacity planning, and the design of scalable, secure, hybrid infrastructure.

You will automate infrastructure using Ansible and scripts, mentor engineers, and collaborate with Engineering, Security, and Cloud teams. This role centers on proactive resilience and high-availability operations.

Qualifications

• 8+ years of hands-on experience in site reliability, infrastructure engineering, or Unix/Linux systems administration.
• Experience owning production services at scale in complex, large environments.
• Strong knowledge of LDAP directory services (Oracle UD, OpenLDAP, 389DS, or Red Hat Directory Server).
• Proficient in Postfix SMTP architecture and troubleshooting.
• Strong knowledge of DNS technologies (BIND, Unbound, Anycast) and DHCP in production environments.
• Ability to automate infrastructure using Ansible, shell scripting, and cron.
• Experience designing monitoring, alerting, and observability solutions for actionable insights.
• Hands-on experience with Azure, AWS, or Google Cloud Platform in hybrid environments.

Responsibilities

• Own the reliability, availability, and health of LDAP, SMTP, DNS, DHCP, and Unix-based infrastructure services.
• Manage day-to-day operations, incident response, troubleshooting, performance tuning, and capacity planning.
• Lead infrastructure projects from design to deployment, upgrades, and modernization.
• Drive automation through scripting and configuration management to improve efficiency and scalability.
• Design and maintain highly available, secure infrastructure across on-prem, cloud, and hybrid environments.
• Implement monitoring, alerting, and observability to improve service reliability.
• Partner with cross-functional teams and provide technical leadership for infrastructure services.
• Develop operational standards, documentation, and best practices.

Skills

LDAP directory services

DNS

SMTP

DHCP

Unix/Linux systems

Automation

Ansible

Shell scripting

Monitoring/observability

Cloud platforms (Azure/AWS/GCP)

Tools

Oracle Unified Directory

OpenLDAP

BIND/Unbound

Infoblox (IPAM)

Job description

Synopsys, Inc. seeks a senior infrastructure engineer to own the reliability and health of core directory and network services. You will lead incident response, capacity planning, and the design of scalable, secure, hybrid infrastructure.

You will automate infrastructure using Ansible and scripts, mentor engineers, and collaborate with Engineering, Security, and Cloud teams. This role centers on proactive resilience and high-availability operations.