Sr Systems Engineer

Overview As a Senior Systems Engineer, you will lead the organization’s transformation from a VMware-based environment to Red Hat OpenShift Virtualization. This role is responsible for the full migration lifecycle, as well as the day‑to‑day operation, optimization, and maintenance of Virtual Machines (VMs) running on OpenShift. You will serve as a senior technical resource, providing deep expertise in virtualization, Linux, Kubernetes/OpenShift, and enterprise infrastructure. Job Description Duties and Responsibilities: Infrastructure Design: Assist with the design of Bare Metal OpenShift clusters optimized for virtualization, ensuring high performance for compute-heavy VM workloads. Modernization & Migration: Lead the end-to-end migration lifecycle from VMware vSphere to OpenShift. This includes leveraging the Migration Toolkit for Virtualization (MTV), performing pre-migration discovery, and executing "Warm Migrations" to minimize downtime for critical business stateful workloads. Storage Management: Experience configuring Portworx as the storage provider on top of Pure Storage. Backup & DR: Experience with managing backup and DR within Red Hat OpenShift environments. Assisting the DR team in configuring run books for Client DR Testing. Operational Excellence: Manage VM-specific "Day 2" operations, including Live Migration, node maintenance/draining, and high-availability (HA) scheduling. Optimize & Maintain: Proactively monitor our systems with CheckMK, manage storage on Pure Storage and HPE. Troubleshoot & Resolve: Act as a final escalation point for complex technical issues, performing deep-dive root cause analysis and collaborating with support teams to ensure timely resolution. Collaborate & Innovate: Work closely with a team of skilled engineers to share knowledge, improve processes, and evaluate emerging technologies. Provide Critical Support: Participate in a rotating on-call schedule to provide after-hours support for critical infrastructure. Flexibility: Ability to work Weekends for project roll outs, Maintenance tasks etc. Person Specification Qualifications and Experience Experience In the field of: Required/Preferred 7-10 Years Systems Engineering Required 2-4 Years Working directly with Kubernetes or OpenShift (MSP environment preferred) Required 1-3 Years Strong Linux administration skills Required Licenses and Certifications Professional Association Required/Preferred Red Hat Certified OpenShift Administrator Required Red Hat Certified Specialist in OpenShift Virtualization Required Knowledge, Skills, and Abilities Virtualization: VMware ESXi/vCenter, Proxmox VE Cloud: Microsoft Azure (IaaS/PaaS) Application & Desktop Delivery: Citrix Virtual Apps and Desktops, Citrix NetScaler (ADC) Storage: Pure Storage, HPE Operating Systems: Windows Server, Linux Monitoring: CheckMK or similar enterprise monitoring tools Availability to work Eastern Time (EST) business hours with occasional evenings/weekends as part of the on-call rotation. Attributes that will drive success: Demonstrated ability to analyze root causes and implement long-term solutions. Ability to perform under pressure, manage competing priorities, and meet tight deadlines. Self‑starter with strong ownership, able to work independently while collaborating when needed Benefits of Working for Abacus: Exposure to diverse array of technologies Part of a team of experienced engineers who aim to deliver exceptional service Competitive compensation Robust benefits package: medical, dental, vision, disability, life insurance, 401k, and PTO Opportunities to further technical education through online courses Positive, friendly, supportive work environment