Senior IT Systems Admin: Hybrid Cloud & Security

Boa Technology; Denver (CO); Hybrid; USD 95,000 - 112,000; Full time

Benefits offered by this job

Hybrid role

Health insurance

HSA

Job summary

BOA Technology seeks a Senior IT Systems Administrator to sustain and upgrade a hybrid infrastructure supporting a global team from Denver. You will manage Microsoft 365, Entra ID, Azure, and AWS, while strengthening network security and endpoint management.

The role requires strong collaboration across offices and time zones with occasional after-hours work. The ideal candidate has 5+ years in systems administration, expertise in Fortinet, Veeam, and multi-OS environments, and a proactive

Qualifications

• 5+ years of Systems Administration or Infrastructure Engineering experience in a hybrid enterprise environment.
• Experience managing enterprise networking and firewall platforms, including routing, VLANs, switching, and secure remote access.
• Experience administering Microsoft 365 and Entra ID.
• Experience with Azure and/or AWS cloud platforms.
• Solid understanding of cybersecurity fundamentals and infrastructure hardening.
• Experience managing multi-OS environments (Windows, macOS, Linux).
• Strong troubleshooting across network, server, cloud, and endpoint layers.
• Excellent communication and collaboration across global teams.
• Highly organized with multiple priorities in a dynamic environment.

Responsibilities

• Reflect BOA's vision and leadership values within the IT team and organization.
• Administer and support the hybrid infrastructure: M365, Entra ID, Azure, AWS, Hyper-V, Proxmox.
• Manage and enhance network and security infrastructure: Fortinet, VPN, site-to-site, VLANs, wireless.
• Support cybersecurity initiatives aligned with NIST CSF.
• Administer endpoint management: Intune, Iru, Defender for Endpoint.
• Support backup/disaster recovery with Veeam and RTO/RPO reviews.
• Support SOX controls: change management, access reviews, audit evidence.
• Collaborate with vendors and MSPs to enhance security and operations.
• Develop documentation and provide escalation support to IT Service Desk.

Skills

Networking

Firewalls

Microsoft 365

Entra ID

Azure

AWS

Windows

macOS

Linux

Cybersecurity

Troubleshooting

Communication

Collaboration

Education

Bachelor's degree preferred

Tools

Fortinet

FortiClient VPN

Microsoft Intune

Entra ID

Defender for Endpoint

Veeam

Hyper-V

Proxmox

Job description

BOA Technology seeks a Senior IT Systems Administrator to sustain and upgrade a hybrid infrastructure supporting a global team from Denver. You will manage Microsoft 365, Entra ID, Azure, and AWS, while strengthening network security and endpoint management.

The role requires strong collaboration across offices and time zones with occasional after-hours work. The ideal candidate has 5+ years in systems administration, expertise in Fortinet, Veeam, and multi-OS environments, and a proactive