Summary : We are seeking a highly motivated and experienced Lead Operations and Security Engineer to join our growing team. This individual will be responsible for the day-to-day management, maintenance, and security of our critical IT infrastructure, including VMware environments, Azure cloud resources, and Office 365 services. The ideal candidate will have a strong background in systems administration, networking, and security best practices, with a proven ability to lead and mentor other team members. Responsibilities : Windows Server management: Administrate DCs, AD, DNS, DFS, RDS, other Windows Server functions and applications. Application Installation and Management: Install, configure, and manage applications within the VMware and Azure environments. Collaborate with development teams to ensure smooth application deployments and ongoing support. Occasional MS SQL administration. VMware Management: Design, implement, maintain, and troubleshoot IaaS VMware vSphere environments, including ESXi hosts, NSX-T SDN, virtual machines, storage, and networking. Perform capacity planning, performance monitoring, and resource optimization. Networking: Manage and maintain network infrastructure, including firewalls, switches, routers, VPNs, NAT and DNS. Troubleshoot network issues and implement network security measures. Office 365 Administration: Administer and support Office 365 services, including Exchange Online, SharePoint Online, Teams, OneDrive, Purview, and security settings. Azure Cloud Management: Manage and maintain Azure cloud resources, including virtual machines, virtual networks, storage accounts, application registrations, and EntraID. Implement and maintain Azure security best practices. Security: Implement and enforce security policies and procedures. Monitor systems for security threats and vulnerabilities. Respond to security incidents and participate in security audits. Administrate Arctic Wolf, Crowdstrike, Varonis, Defender, ATP. Automation: Develop and implement automation scripts for routine tasks to improve efficiency and reduce manual effort. Documentation: Create and maintain accurate documentation of systems, configurations, and procedures. Team Leadership and Mentorship: Provide technical guidance and mentorship to junior team members. Lead and participate in team projects. On-Call Support: Participate in an on-call rotation to provide support for critical systems. Qualifications: Bachelor's degree in computer science, Information Technology, or a related field preferred. 5+ years of experience1 in systems administration and IT operations. Extensive experience managing VMware vSphere environments. Strong networking skills, including experience with firewalls, switches, and routers. Experience with Office 365 administration, including Exchange Online, SharePoint Online, and Teams. Experience managing Azure cloud resources, including virtual machines, virtual networks, and storage. Solid understanding of security best practices and experience implementing security measures, familiarity with NIST-CSF, CMMC, NIST800-171, GDPR. Experience with scripting and automation (e.g., PowerShell, Python). Excellent problem-solving and troubleshooting skills. Strong communication and interpersonal skills. Ability to work independently and as part of a team. Experience with ITIL or other IT service management frameworks is a plus. Relevant certifications (e.g., VCP, MCSA, MCSE, Azure certifications) are a plus.
