Systems Administrator - Asset Lifecycle & On-Call Lead

Shieldai; Washington (District of Columbia); On-site; USD 90,000 - 120,000; Full time

Job summary

Shield AI in Washington, DC is seeking a Systems Administrator to support, secure, and optimize our enterprise IT operations. You will provide hands-on desktop, server, and systems administration for Windows and Linux in a collaborative environment.

The role focuses on asset lifecycle management, IAM, endpoint security, and mentoring junior staff, with on-call rotation and cross-team collaboration to maintain reliable systems and compliance.

Qualifications

• 3+ years of experience in systems administration or enterprise desktop support.
• 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 (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.
• 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.
• 5+ years of IT experience, with at least 2 years in a senior or mentoring capacity.

Responsibilities

• 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.

Skills

Windows OS

Linux OS

Active Directory / Azure AD

Identity/access management

Networking fundamentals

ITIL practices

Mentoring / leadership

PowerShell scripting

Intune / JAMF

Scripting

Tools

Intune

JAMF

Snipe-IT

JSM (Jira Service Management)

JIRA

Microsoft Endpoint Manager

Job description

Shield AI in Washington, DC is seeking a Systems Administrator to support, secure, and optimize our enterprise IT operations. You will provide hands-on desktop, server, and systems administration for Windows and Linux in a collaborative environment.

The role focuses on asset lifecycle management, IAM, endpoint security, and mentoring junior staff, with on-call rotation and cross-team collaboration to maintain reliable systems and compliance.