Senior Systems Administrator (6006)

The role

This senior role administers, maintains and improves enterprise IT infrastructure for Shield AI's business operations, including cloud, endpoint, identity, server and collaboration platforms. The person will also lead technical infrastructure projects and mentor junior administrators.

What you will do

• Administer, maintain and optimize enterprise Windows, Linux and macOS systems.
• Design, implement and support cloud, identity, endpoint, collaboration and core IT systems.
• Administer Active Directory, Entra ID, Group Policy and access controls.
• Deploy and support Microsoft Intune, JAMF and related endpoint platforms.
• Plan and execute upgrades, migrations, patching and lifecycle replacements.
• Lead technical implementation of enterprise IT projects with cross-functional teams.
• Troubleshoot complex infrastructure, OS, cloud and application issues.
• Support LAN/WAN, DNS, DHCP and VPN with networking teams.
• Develop automation with PowerShell, Bash or similar tools.
• Mentor junior administrators and provide technical guidance across Enterprise IT.

Required qualifications

• Bachelor's degree in IT, Computer Science, or equivalent practical experience.
• 4+ years of progressively responsible experience administering enterprise IT infrastructure.
• Strong experience supporting Windows, Linux and macOS in enterprise environments.
• Advanced knowledge of Active Directory, Azure AD (Entra ID), Group Policy, DNS, DHCP and identity management.
• Experience administering Microsoft 365, including Exchange Online, Teams, SharePoint and Intune.
• Experience managing endpoint platforms such as JAMF, Intune or Microsoft Endpoint Manager.
• Working knowledge of TCP/IP, routing, VPN, DNS, firewalls and network troubleshooting.
• Experience supporting enterprise cloud infrastructure and SaaS platforms.
• Strong troubleshooting and root cause analysis skills.
• Experience implementing system upgrades, migrations and infrastructure projects.
• Experience with PowerShell, Bash or similar scripting and automation.
• Excellent written and verbal communication skills.

Nice to have

• Experience supporting hybrid cloud environments including Microsoft Azure.
• Experience with VMware or Hyper-V virtualization.
• Familiarity with enterprise monitoring and observability platforms.
• Experience administering Jira Service Management and Snipe-IT.
• Working knowledge of ITIL service management practices.
• Certifications such as Microsoft Certified, Azure Administrator, CompTIA Server+, Security+, VMware VCP, Cisco or ITIL Foundation.
• Experience supporting highly secure or regulated enterprise environments.

Benefits

• Bonus for regular employee positions.
• Benefits for regular employee positions.
• Equity for regular employee positions.
• Temporary benefits package for temporary employees, applicable after 60 days of employment.
• For international positions: international premium, hardship differential and cost of living differential.
• For international positions: living quarters allowance and foreign service transfer allowance.
• For international positions: international benefits, visa assistance and relocation assistance.

Before you apply

• Offers are contingent on a cleared background check and possible reference check.
• Salary depends on skill set, experience, licences, certifications and work location.
• Applicants who need accommodation for a disability or special need should say so.

About the company

Shield AI is a venture-backed defense-tech company that builds intelligent systems to protect service members and civilians. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation technologies.