Shield AI
Senior Systems Administrator (R5064)
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Job Description: Systems Administrator
Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube.
Job Description
The Systems Administrator is responsible for supporting, securing, and optimizing enterprise IT operations. This includes end-user system support, infrastructure maintenance, IT asset lifecycle management, and leadership of junior team members. The ideal candidate brings strong technical expertise, organizational discipline, and a collaborative mindset to support a modern, scalable, and secure IT environment.
What you'll do
- Provide hands-on desktop, server, and systems administration support for Windows and Linux environments.
- Install, configure, and troubleshoot hardware and software issues across end-user devices and server systems.
- Administer user accounts, access control, and group policies using Active Directory and Azure AD.
- Manage IT assets throughout their lifecycle: procurement, deployment, support, and decommissioning.
- Ensure proper inventory control, software licensing compliance, and asset tracking using IT asset management tools.
- Generate reports on hardware/software usage, compliance, and asset depreciation for internal and audit needs.
- Lead and mentor junior administrators and support staff; contribute to technical documentation and team training.
- Participate in on-call rotation and perform maintenance activities outside business hours as required.
- Collaborate with infrastructure, network, and security teams to support enterprise IT operations and incident response.
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Required qualifications
- 3+ years of experience in systems administration or enterprise desktop support roles.
- Strong proficiency in Windows and Linux operating systems.
- Experience with Active Directory, Azure AD, and identity/access management tools.
- Knowledge of networking fundamentals (TCP/IP, DNS, DHCP) and endpoint security practices.
- Familiarity with IT asset management platforms (e.g., SNIPE, JSM, JIRA).
- Ability to participate in an on-call rotation and off-hours maintenance windows.
- Strong documentation, troubleshooting, and customer service skills.
- Excellent communication and collaboration across technical and non-technical teams.
Preferred qualifications
- 5+ years of IT experience, with at least 2 years in a senior or mentoring capacity.
- Experience with Microsoft Endpoint Manager (Intune), JAMF, and scripting in PowerShell.
- Working knowledge of ITIL practices related to change, incident, and asset management.
- Previous experience in asset lifecycle planning and procurement strategy.
- Experience supporting remote and hybrid work environments.
- Industry certifications (e.g., CompTIA, Microsoft, ITIL, Cisco) are a plus.
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Why join Shield AI
- Help build the defining defence technology company of this century.
- Work at the forefront of AI, autonomy, and next-generation defence systems.
- Operate in a highly entrepreneurial and mission-driven environment.
- Make a direct impact on international growth and strategic defence partnerships.
- Collaborate with exceptional teams solving some of the world’s most complex operational challenges.
#LC
Our international teammates receive a comprehensive total rewards package aligned to your country office location. For full details on compensation and benefits, please consult your talent acquisition partner.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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