ActioNet, Inc. · 1 month ago
Sr IT Specialist - MAC (Tier 3)
Washington, DC
Full-time
Onsite
Mid, Senior Level
4+ years expActioNet, Inc. is seeking a Senior Mac Administrator to provide Tier 3 macOS support and serve as the organizational subject matter expert for Apple systems. This on-site role in Washington, DC focuses on ensuring the reliability, security, and scalability of the Mac enterprise environment through advanced troubleshooting, automation, and strategic system design.
AssociationConsultingCRMGovernmentInformation ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Provide advanced Tier 3 technical support for macOS workstations and peripherals
Serve as an SME for macOS integration, security, and enterprise management
Lead complex troubleshooting efforts, automation initiatives, and system optimization
Work closely with engineering and security teams to design, enhance, and support scalable Mac infrastructure solutions
Diagnose and resolve complex macOS hardware, software, and network issues
Develop and maintain secure, enterprise-level macOS configurations and policies
Design and implement automation for deployment, patching, and compliance
Manage and optimize MDM platforms such as Jamf and Intune
Integrate macOS systems with enterprise services including AD, SSO, VPN, and email
Oversee Apple Business Manager (ABM) and provisioning workflows
Create and maintain SOPs, documentation, and knowledge base content
Mentor Tier 1 and Tier 2 support teams and provide advanced escalation assistance
Collaborate with InfoSec to maintain macOS compliance with security frameworks
Support strategic planning and enhancements for Mac infrastructure
Qualification
Required
Public Trust Clearance (High) Required – U.S. Citizenship Required
Associate's Degree in IT or related field required
4–6 years of IT support experience, including 3+ years in enterprise macOS environments
Experience managing MDM platforms and large-scale Mac deployments
Strong scripting background (Bash, Python) for automation
Expert proficiency in macOS administration, Terminal, and diagnostic tools
Strong networking knowledge (TCP/IP, VPN, Wi-Fi) and security best practices
Experience using enterprise ticketing systems such as ServiceNow
Ability to lead projects and mentor technical staff
Excellent written and verbal communication and documentation abilities
Preferred
Deep experience with Jamf Pro, Intune, and Apple Business Manager
Knowledge of Active Directory, LDAP, and SSO integration
Familiarity with CIS benchmarks, NIST, and compliance frameworks
Experience supporting VIP or executive users
ACSP or ACITP preferred
Jamf 300/400-level certifications preferred
CompTIA Network+ or Security+ preferred
Company
ActioNet, Inc.
ActioNet, Inc., headquartered in Vienna, Virginia, is a CMMI®-DEV Level 4, CMMI®-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Cloud-based Solutions, Cyber Security and Agile Software Engineering.
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
Ashley Chen
Founder & CEO
Recent News
Washington Technology
2025-12-12
Company data provided by crunchbase