System Administrator

Benefits

• Competitive salary
• Free food & snacks
• Opportunity for advancement

Work Environment & Schedule

On-site: This is a fully on-site position based at T12’s Waldorf, Maryland office. It is not a remote or hybrid role; daily in-office presence is required to support physical office IT, end users, and on-premises infrastructure.

Schedule: Full-time, Monday through Friday during standard business hours.

On-call / after-hours: Occasional after-hours, weekend, or on-call work is required to perform maintenance windows and meet federal and healthcare service-level agreements (SLAs).

Environment: An on-premises-inclusive environment that includes on-premises Active Directory (with Group Policy), a Windows Server fleet, physical endpoints and peripherals, the office LAN/Wi-Fi, and hybrid telephony—administered alongside Microsoft 365, Azure, and AWS cloud workloads.

Key Responsibilities

• AWS Cloud Administration: Provision, monitor, and maintain AWS services (EC2, S3, IAM, VPC, RDS, CloudWatch), including patching, backups, cost optimization, and security configuration.
• Microsoft Environment Management: Administer Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive), Microsoft Entra ID (Azure AD), Conditional Access, MFA, and Active Directory (users, groups, GPOs).
• Endpoint & Device Management: Manage device compliance, configuration, and application deployment through Microsoft Intune; support onboarding and offboarding of users and hardware.
• System Monitoring & Availability: Monitor system health, capacity, and performance; respond to alerts and resolve incidents to meet SLA commitments.
• Patching, Backup & Recovery: Perform routine patching, updates, backups, and disaster recovery testing across cloud and on-premises systems.
• Security & Compliance: Implement and enforce access controls, configuration baselines, and security hardening aligned with frameworks such as NIST 800-171, HIPAA, and CIS (depending on client vertical).
• Automation & Scripting: Build and maintain PowerShell and/or Bash scripts to automate recurring administrative tasks and reporting.
• Documentation & Knowledge Sharing: Maintain system diagrams, SOPs, runbooks, and asset inventories; contribute to internal knowledge bases.

Help Desk & End-User Support

• First-Line Troubleshooting: Serve as the primary point of contact for end-user issues; triage and resolve requests received by phone, email, ticketing system, and in person.
• Desktop & Hardware Support: Diagnose and resolve issues with desktops, laptops, printers, peripherals, and mobile devices; image, configure, and deploy new equipment.
• Telephony & Communications: Troubleshoot phone systems (VoIP/softphone), conferencing, and Microsoft Teams calling—including handset setup, call routing, and voicemail issues.
• Network Connectivity: Resolve local network problems such as Wi-Fi, LAN, VPN, DNS/DHCP, and router/switch/ISP connectivity; coordinate with carriers or vendors to escalate as needed.
• Account & Access Support: Handle password resets, account lockouts, mailbox and shared-drive permissions, and software installation and licensing requests.
• Ticket Management: Log, track, and document all support activity in the ticketing system; follow up to ensure timely resolution and clear communication with users.
• User Onboarding & Offboarding: Set up and decommission user accounts, equipment, and access as employees join or leave the company.

Required Skills & Qualifications

• Hands-on administration experience across both AWS and Microsoft environments, including:
• AWS core services (EC2, S3, IAM, VPC, RDS, CloudWatch).
• Microsoft 365, Microsoft Entra ID (formerly Azure AD), and hybrid identity environments.
• Microsoft Intune and device compliance management.
• Windows Server 2016–2022 and Windows 10/11.
• Strong understanding of networking fundamentals (DNS, DHCP, VPN, firewalls, TCP/IP).
• Familiarity with backup, monitoring, endpoint protection, and email security tools.
• Proficiency with PowerShell and/or Bash scripting and automation.
• Experience providing end-user help desk support and working within a ticketing/ITSM system.
• Strong client communication skills and a professional, solutions-focused demeanor.

Education & Experience

• 3+ years of experience in a system administration role supporting cloud and on-premises infrastructure.
• Associate’s or Bachelor’s degree in Information Technology or a related field, or equivalent practical experience.

Preferred Attributes

• Experience supporting federal, state, or healthcare clients and associated compliance frameworks.
• Familiarity with Microsoft Defender for Endpoint, Entra Conditional Access, and Purview compliance tools.
• Experience with infrastructure-as-code (Terraform, CloudFormation) and ITSM platforms (e.g., ServiceNow).
• U.S. citizenship required. Eligibility for a Public Trust or government security clearance is preferred; clearance sponsorship may be available depending on client assignment.
• Proactive, detail-oriented, and able to manage multiple priorities with minimal supervision.

About T12 Technologies

T12 Technologies, LLC is a Veteran, Service-Disabled, Minority owned business with over 30 years of combined professional and personal experience in providing integrated services and solutions to the federal government, DOD and State organizations. We focus on Enterprise level services such as Managed Services, Cyber Security (Information Systems Security Support), Configuration Management to include Change, Asset, Test and Release, Software as a Service (SaaS) for Property and Asset Management, and Logistics/Inventory Management. Our goal is to consult or integrate high-quality professionals into your organization who genuinely understand the need for innovation, digital transformation and providing a great customer experience.

Compensation

$45.00 - $55.00 per hour