Site Reliability Engineer

Role Overview Apply for Site Reliability Engineer at ADP in Barcelona, CT, ES. This full-time on-site position offers great opportunities for career growth. ADP is hiring a Site Reliability Engineer. Are you a proven SAP Basis and S/4HANA engineer with deep platform expertise? Do you thrive solving complex infrastructure and performance challenges at enterprise scale? Ready to lead technical strategy for mission-critical global systems? In this role, you will operate, optimize, and continuously evolve ADP's SAP platform that supports our GlobalView Business serving multinational payroll and HR clients globally. You will be a subject-matter expert driving system performance, availability, and scalability across enterprise systems while mentoring teams and shaping infrastructure decisions that impact thousands of businesses relying on ADP's services. No two days are the same. You'll balance strategic initiatives with hands-on technical problem-solving-architecting capacity expansions one day, diagnosing critical production incidents the next. Your days include performance tuning sessions, code reviews of basis configurations, mentoring junior administrators through complex migrations, designing disaster recovery strategies, and collaborating with business stakeholders to align infrastructure with evolving requirements. From proactive system monitoring to reactive incident leadership, you'll operate with both depth and breadth, always focused on platform stability and innovation. What You'll Do Typical day in the life of a Site Reliability Engineer at ADP: - Maintain & support existing SAP workloads on prem and new S/4 HANA systems on RISE. - Support SAP RISE migration to SAP ECS/RISE. - Configure & maintain portal infrastructure SSO integration (single sign-on technologies and security configurations), support Web Dispatchers and supplemental technologies (Apache, firewalls, certificate management). - Proactively monitor system health using SAP tools (Solution Manager, Performance Analyzer, ST04, ST03), identify bottlenecks, and drive tuning initiatives; create capacity planning reports and recommendations. - Analyze portal runtime exceptions and troubleshoot connectivity and web service issues. - Lead response to critical production incidents across all levels of complexity, perform root-cause analysis, and implement permanent solutions. - Design, test, and maintain backup and recovery strategies, failover configurations, and business continuity plans; conduct disaster recovery drills and optimize RTO/RPO metrics. - Harden SAP systems against vulnerabilities, manage user access controls, audit system security, and ensure compliance with enterprise and regulatory standards. - Oversee SAP integration points (SAP BTP), API management, and middleware infrastructure supporting GlobalView's multi-tenant architecture. - Collaborate with global teams and external vendors, maintain runbooks and technical documentation, define team best practices, and mentor engineers. To Succeed in This Role Required Qualifications & Competencies - Deep SAP Platform Expertise: 8+ years of hands-on SAP Basis administration with extensive experience on ECC and/or S/4HANA systems. - Architecture & Design: Proven ability to design and implement complex SAP Basis and HANA landscapes including multi-instance systems, high-availability setups, and disaster recovery configurations. - Technical Depth: - Expert-level knowledge of SAP Basis and HANA architecture (ABAP, Java, or dual-stack). - Oracle, SQL Server, or similar enterprise database administration with advanced recovery/restore capabilities. - Strong background in Linux administration (SUSE / RedHat), virtualization (VMware), networking (routing, firewalls, load balancing), and storage for SAP environments. - Network and security concepts including SSO, firewalls, SSL/TLS, and user provisioning. Preferred Qualifications - SAP Basis and HANA or Basis certification (SAP Certified Technology Associate or Consultant level); HANA 2.0 certification is a strong plus. - Experience with 2+ full-cycle SAP implementations, major upgrade projects, or S/4HANA conversions. - Cloud experience (SAP Cloud Platform, SAP S/4HANA Cloud, AWS, or similar). - SAP HANA database administration and optimization experience. - DevOps and infrastructure automation (Kubernetes, Ansible, Jenkins, Docker, or equivalent). - Scripting/automation experience (shell, Python, or equivalent) for infrastructure-as-code. - Advanced security topics including SSO technologies, high availability, and disaster recovery. - Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical discipline. Diversity, Equity, Inclusion & Equal Employment Oppo