DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA.
With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe.
Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results.
Learn more at www.dminc.com
DMI is seeking an IT Help Desk Specialist (Journeyman Computer Support Specialist) to provide on-site Tier II IT help desk support to a federal legislative branch agency in Washington, DC.
These positions support the agency's IT team, handling an average of 270 service tickets per month across a mixed Windows and macOS endpoint environment.
Both positions are designated Key Personnel under the contract.
Duties And Responsibilities
Inspect, image, configure, and deploy Windows desktops, macOS systems, and mobile devices in accordance with division-specific requirements and IT standards; validate each device against security baselines before delivery.
Install, configure, troubleshoot, and maintain employee hardware, software, and peripheral components across Windows and macOS environments, including upgrades, patches, firmware updates, and approved security configurations compliant with Zero Trust and Defense-in-Depth standards.
Register and configure iOS and Android mobile devices within enterprise Mobile Device Management (MDM) platforms; train users on authentication, Multi-Factor Authentication (MFA), and secure remote connectivity.
Load and verify software packages and configuration baselines using automated imaging and patching tools such as Ivanti EPM, KACE, or equivalent.
Diagnose and resolve complex endpoint issues, including MFA failures, identity anomalies, network connectivity problems, and endpoint irregularities; apply independent judgment to identify root causes and implement corrective actions.
Support Tier I personnel by enforcing best practices, creating and validating standard operating procedures (SOPs), and reviewing escalations. Use JAMF and Microsoft Intune for endpoint automation and configuration management; analyze Windows Event Viewer and macOS Console logs to identify error patterns and prevent recurrence.
Apply for this job in 1 click
Skip the repetitive application forms
Install the Base Career Chrome Extension and autofill job applications across major job boards with your profile.
Trusted by over 500,000 job seekers on Base Career
Administer Microsoft Entra ID and Active Directory environments, including user account provisioning, group policy adjustments, and identity lifecycle management in coordination with IAM governance.
Support macOS and iOS administration, including device enrollment, configuration profile deployment, FileVault management, and integration with enterprise authentication and compliance frameworks.
Manage and track service tickets, providing clear and timely communication on status and resolutions through the official ticketing system, voicemail, email, and direct user interaction.
Replace defective or obsolete hardware and software; document all changes and verify asset records in accordance with agency asset management procedures.
Perform secure drive sanitization and destruction using BitRaser or other approved tools; maintain required documentation and certificates of destruction.
Identify recurring problem trends, develop mitigation strategies, and present findings and improvement recommendations to IT management.
Periodic Project and Engineering Tasks: Implement and document imaging strategies using automation, scripting, and division-specific baselines to deliver secure, consistent workstation builds across all platforms. Participate in patch management and vulnerability remediation cycles; coordinate with Nessus scan findings to prioritize remediation of critical and high-severity vulnerabilities. Collaborate with IT technical leads across Cloud, Engineering, and Development teams to assess environment readiness and validate permissions. Assist in responding to outages, service disruptions, and emergencies, including participation in incident response activities. Recommend and implement advanced remedial measures, including driver updates, policy adjustments, and imaging corrections; automate solutions where feasible in coordination with agency IT leadership.
Implement and document imaging strategies using automation, scripting, and division-specific baselines to deliver secure, consistent workstation builds across all platforms.
Participate in patch management and vulnerability remediation cycles; coordinate with Nessus scan findings to prioritize remediation of critical and high-severity vulnerabilities.
Collaborate with IT technical leads across Cloud, Engineering, and Development teams to assess environment readiness and validate permissions.
Assist in responding to outages, service disruptions, and emergencies, including participation in incident response activities.
Recommend and implement advanced remedial measures, including driver updates, policy adjustments, and imaging corrections; automate solutions where feasible in coordination with agency IT leadership.
Education And Years Of Experience
Bachelor's degree in Information Technology, Computer Science, or a closely related field.
Required Skills & Certifications
Demonstrated experience with endpoint management and automation platforms: Ivanti, KACE, Microsoft Intune, and/or JAMF.
Enterprise-level administration and support for macOS and Windows operating systems, including imaging, deployment, configuration management, and security baseline adherence.
Ability to manage and troubleshoot identity and access management services: Microsoft Entra ID/Active Directory, MFA, role-based access controls, and AWS-integrated identity solutions.
Ability to diagnose and resolve authentication, connectivity, and endpoint performance issues through analysis of system logs, Windows Event Viewer, and macOS Console diagnostics.
Experience coordinating cross-team incident response with Service Desk, Network Operations, and Cybersecurity teams.
Strong understanding of patch management, baseline configuration, and automated imaging processes.
Familiarity with cloud and hybrid environment management, including AWS-hosted resources and on-premises/cloud integrations.
Working knowledge of Zero Trust security principles and their application to endpoint, user, and network interactions.
Strong written and verbal communication skills; ability to document technical procedures, create user-facing guides, and mentor Tier I technicians.
Excellent customer service and problem-solving skills; ability to prioritize and manage multiple requests under tight deadlines.
Preferred Certifications
CompTIA Security+
Microsoft Certified: Endpoint Administrator Associate (or equivalent)
