OverviewSeeking a highly experienced Senior Systems Infrastructure Engineer to design, implement, secure, and maintain enterprise IT infrastructure. This is a hands-on senior technical role supporting Windows Server environments, virtualization, enterprise storage, networking, firewalls, Microsoft 365, and cybersecurity.
Responsibilities- Design, configure, and maintain enterprise servers, network infrastructure, firewalls, and storage systems.
- Manage and support Windows Server environments, VMware virtualization, Microsoft 365, Exchange, and Active Directory.
- Administer Cisco firewalls, VPN connectivity, Meraki switches, and wireless infrastructure.
- Implement infrastructure security, patching, vulnerability management, monitoring, backup, and disaster recovery solutions.
- Lead complex infrastructure projects, develop technical plans, and proactively troubleshoot system issues.
- Establish technical standards, documentation, and best practices while mentoring team members.
- Coordinate with vendors and internal stakeholders on infrastructure solutions and technology recommendations.
- Provide occasional after-hours and weekend support for critical infrastructure needs.
Qualifications- 15+ years of experience in enterprise IT infrastructure and advanced networking.
- Strong experience managing 50+ Windows servers, including Windows Server 2019 or newer.
- Hands-on expertise with VMware vSphere, ESXi, and vCenter.
- Experience administering NetApp enterprise storage.
- Strong knowledge of Microsoft Entra ID, Exchange, M365, Intune, Defender, Active Directory, Group Policy, DNS, and DHCP.
- Experience with Cisco ASA firewalls, site-to-site and remote-access VPNs, and Cisco Meraki networking.
- Strong understanding of TCP/IP, VLANs, routing, switching, network segmentation, and cybersecurity.
- Experience with backup, disaster recovery, and business continuity solutions.
- Excellent troubleshooting, documentation, project management, and communication skills.
Preferred Qualifications- Experience with Nutanix AHV and hyperconverged infrastructure.
- Familiarity with legacy VAX environments.
- SQL, VB.NET, or HTML coding experience.
- Bachelor's degree in Computer Science or a related field preferred.
- Relevant certifications such as VMware VCP, Cisco CCNA/CCNP, Microsoft, NetApp, Nutanix, or CISSP.
Because of the possibility for fraudulent job postings on many popular job boards, please be advised that Connection will never offer a position of employment without a complete interview process and communication with a "live person".