Senior Server Engineer

We are partnering with a globally recognized, multi-billion dollar organization that has built a reputation as a leader in their field. With a worldwide footprint and thousands of employees across multiple continents, this company is making significant investments in modernizing their enterprise infrastructure, including hands-on AI and automation initiatives that are actively in flight. Their on-premises environment is the backbone of global operations, and this team is at the center of it all.This is a rare opportunity to join a tenured, low-turnover team where your contributions are visible, your growth is supported, and the technology stack is genuinely exciting. Hybrid schedule - three days onsite in Chicago, two days remote.What You'll Be Doing:Own the health and performance of a sprawling VMware vSphere/ESXi virtualization platform, this is the heartbeat of the infrastructure and the primary focus of your day-to-day workGet hands-on with a modern, evolving tech stack that includes Kubernetes, Docker, and Red Hat container platforms powering real AI workloadsKeep a large-scale Windows and Linux environment running smoothly, diagnosing everything from authentication failures and access issues to full system outagesBuild and maintain automation that actually reduces toil, writing and refining Ansible playbooks through Ansible Tower to streamline provisioning and configuration at scaleManage identify and access infrastructure including managing Active Directory, Group Policy, DNS, DHCP, and Certificate Services across a complex, multi-region environmentKeep the environment secure and compliant through proactive vulnerability remediation, patch management, and performance monitoring via enterprise toolingPlay a supporting role in Azure IaaS operations VMs, RBAC, backup, and disaster recovery as a complement to the core on-prem workloadStep up during on-call windows (rotating every 8 weeks) and monthly maintenance windows to keep global operations running without interruptionWhat You Bring:5+ years of enterprise infrastructure engineering experience, ideally in environments running thousands of serversVMware vSphere/ESXi expertise is a must, you know this platform deeply and can troubleshoot, optimize, and scale it with confidence; Nutanix or Hyper-V familiarity is a bonusSolid Windows Server (2016+) chops and working knowledge of Linux (RHEL/Ubuntu) — strong Windows engineers with a hunger to expand their Linux skills are welcomePractical experience with container technologies Kubernetes, Docker, and Red Hat — in live production environmentsComfort with infrastructure automation you've written or worked extensively with Ansible playbooks and aren't afraid of the command lineStrong Active Directory fundamentals across DNS, DHCP, Group Policy, and Certificate ServicesPowerShell scripting ability and familiarity with enterprise monitoring platforms like SCOM, Zabbix, and SCCMA working understanding of Azure IaaS enough to support and troubleshoot, not necessarily architectA collaborative, professional presence this is a tight-knit global team and communication mattersAdaptability and a growth mindset this environment moves fast and rewards engineers who are curious and coachableDegree optional what you've built and supported matters far more than where you studiedMMD Services Inc. is an equal opportunity employer. All applicants are considered for all positions without regard to race, religion, color, sex, gender, sexual orientation, pregnancy, age, national origin, ancestry, physical/mental disability, medical condition, military/veteran status, genetic information, marital status, ethnicity, alienage or any other protected classification, in accordance with applicable federal, state, and local laws.