Systems Administrator / Infrastructure Specialist

Location : Downtown Denver, CO (parking not provided)

Type : Contract to Hire

Schedule : M-F, 8am-5pm, 5 days onsite

Hourly Rate : $40 - $55/hour (depending on level of experience)

Reports to : IT Director

Position Summary

We are seeking a highly motivated Systems Administrator / Infrastructure Specialist to serve as a key member of our IT team supporting approximately 100 employees across multiple office locations. This role is ideal for a hands-on Microsoft infrastructure professional who thrives in a small-to-mid-sized business environment and enjoys wearing multiple hats.

The successful candidate will take ownership of the Microsoft 365 environment while supporting core infrastructure, identity management, endpoint administration, and SharePoint collaboration platforms. This individual will serve as a technical escalation point for the help desk team, mentor junior support staff, and work closely with leadership to improve operational efficiency, security, and user experience.

We're looking for a true "Swiss Army Knife" IT professional-someone comfortable moving between systems administration, cloud technologies, endpoint management, SharePoint administration, and Tier 2/3 support responsibilities as business needs require.

Key Responsibilities

Microsoft 365 & Cloud Administration

• Administer and maintain the Microsoft 365 environment including Exchange Online, Teams, SharePoint Online, OneDrive, and licensing.
• Manage Microsoft Azure and Entra ID (Azure AD) services, identity lifecycle management, and hybrid identity integrations.
• Configure and maintain user accounts, groups, permissions, conditional access policies, and authentication methods.
• Support Microsoft security best practices including MFA, role-based access controls, and endpoint security initiatives.
• Participate in planning and execution of Microsoft cloud initiatives and technology upgrades.

Endpoint & Device Management

• Administer Microsoft Intune for endpoint provisioning, policy management, device compliance, and security controls.
• Manage Windows workstations and mobile devices throughout their lifecycle.
• Support endpoint patching, software deployment, updates, and compliance monitoring.
• Assist with endpoint security and Microsoft Defender-related initiatives.

Infrastructure Administration

• Support Windows Server environments, Active Directory, DNS, DHCP, Group Policy, file services, and related infrastructure.
• Assist with virtualization platforms, backups, disaster recovery processes, and overall infrastructure health.
• Monitor system availability and proactively address performance and reliability issues.
• Document systems, processes, configurations, and operational procedures.

SharePoint & Collaboration Services

• Support and administer SharePoint Online sites, permissions, document libraries, and collaboration tools.
• Assist departments with SharePoint content organization, document management, and intranet functionality.
• Participate in file share to SharePoint migration initiatives.
• Support governance, security, and user adoption efforts related to SharePoint Online.
• Collaborate with business stakeholders to improve information sharing and document management processes.

Service Desk Leadership & Mentorship

• Serve as the escalation point for Tier 2 and Tier 3 support issues.
• Mentor junior help desk staff and assist in developing technical knowledge across the team.
• Work tickets and provide hands-on support when necessary.
• Contribute to knowledge base documentation, troubleshooting guides, and support procedures.
• Deliver excellent customer service and maintain strong relationships with internal users.

Projects & Continuous Improvement

• Participate in infrastructure modernization efforts and technology improvement projects.
• Identify opportunities for automation, standardization, and operational efficiencies.
• Partner with business units to understand requirements and recommend technology solutions.
• Assist with IT security, compliance, and governance initiatives.

Required Qualifications

• 5+ years of experience in Systems Administration, Infrastructure Support, or Microsoft-focused IT environments.
• Strong Microsoft 365 administration experience in a small-to-mid-sized business environment.
• Experience administering Microsoft Intune and modern endpoint management solutions.
• Strong knowledge of Entra ID (Azure AD), Active Directory, Group Policy, and identity management.
• Experience supporting Microsoft Azure infrastructure and services.
• Ability and willingness to perform hands-on Tier 2/3 Help Desk support while mentoring junior staff.
• Working knowledge of Windows Server administration and core infrastructure technologies.
• Experience with ticketing systems and IT service management practices.
• Strong troubleshooting, communication, and customer service skills.
• Self-motivated professional with a proactive, "get stuff done" mentality.

Preferred Qualifications

• Experience administering SharePoint Online in a business environment.
• Experience migrating file shares or legacy content repositories into SharePoint Online.
• Experience supporting intranet platforms and collaboration technologies.
• Knowledge of PowerShell scripting and automation.
• Familiarity with Microsoft Defender, Conditional Access, and modern security frameworks.
• Exposure to Microsoft Power Platform tools such as Power Automate and Power Apps (nice to have).
• Microsoft certifications such as:
• Azure Administrator Associate
• Microsoft 365 Administrator
• Modern Desktop Administrator
• Azure Fundamentals (AZ-900)
• Security+ or related certifications

Benefits:

At Ledgent Technology, we prioritize our contractors, whom we proudly call Ambassadors. Our commitment to you is demonstrated through a comprehensive benefits program that stands out in the temporary staffing industry. We annually review and update our vendor relationships to ensure we provide the most cost-effective benefits options. Our Ambassadors are eligible for a wide range of benefits, including:

• Minimum Essential Coverage (MEC) Plan
• Basic and enhanced hospital indemnity plans
• Dental and vision coverage
• Accident and critical illness plans
• Term life insurance
• Short-term disability plan
• Direct deposit/pay card options
• Credit union membership
• Employee discount clubs
• Referral bonuses
• Training and coaching
• Specialized recognition programs

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.