Senior IT Help Desk Specialist – Windows/macOS Expert

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

Job summary

Ortman Consulting LLC in Washington, DC is hiring two senior help desk specialists to support a federal agency's IT operations on Capitol Hill. You will serve as the advanced front line, deploying and troubleshooting Windows, macOS, and mobile devices.

This role involves imaging, deploying endpoints, handling complex escalations, mentoring Tier I staff, and coordinating with Tier III engineering and cybersecurity teams in a security-first, Zero Trust environment.

Qualifications

• 5+ years enterprise IT support with Windows and macOS administration.
• MDM administration: Jamf (macOS) and Intune (Windows).
• Microsoft Entra ID / Active Directory administration; MFA and RBAC troubleshooting.
• Strong log‑analysis troubleshooting and customer service skills.
• US citizenship or lawful permanent residency; FBI background check required.
• On‑site 5 days/week, Washington, DC.

Responsibilities

• Image and deploy Windows and macOS endpoints and iOS/Android devices using enterprise MDM tools.
• Diagnose complex issues across identity, connectivity, and endpoint management.
• Mentor Tier I technicians and coordinate with Tier III engineering and cybersecurity teams.
• Assist with patch management and vulnerability remediation.
• Write SOPs and knowledge base articles; build automation scripts.

Job description

Ortman Consulting LLC in Washington, DC is hiring two senior help desk specialists to support a federal agency's IT operations on Capitol Hill. You will serve as the advanced front line, deploying and troubleshooting Windows, macOS, and mobile devices.

This role involves imaging, deploying endpoints, handling complex escalations, mentoring Tier I staff, and coordinating with Tier III engineering and cybersecurity teams in a security-first, Zero Trust environment.