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ActioNet, Inc.

Sr IT Specialist - MAC (Tier 3)

ActioNet, Inc., Washington, District of Columbia, us, 20022

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Senior Mac Administrator – On‑Site, Washington, DC Public Trust Clearance (High) Required – U.S. Citizenship Required

Salary: $118,000 – $130,000

Summary The Senior Mac Administrator provides Tier 3 macOS support and serves as the organizational subject matter expert for Apple systems. This on‑site role in Washington, DC ensures the reliability, security, and scalability of the Mac enterprise environment through advanced troubleshooting, automation, and strategic system design. The ideal candidate demonstrates technical leadership, deep expertise in macOS administration, and the ability to drive continuous improvements in enterprise Mac operations while maintaining compliance with federal security standards.

Functional 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.

Key Duties and Responsibilities

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

Minimum Education

Associate’s Degree in IT or related field required

Bachelor’s Degree preferred

Minimum Experience

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

Required Skills

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 Skills

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

Certifications

ACSP or ACITP preferred

Jamf 300/400‑level certifications preferred

CompTIA Network+ or Security+ preferred

Work Environment

100% on‑site position in Washington, DC

Hours: 7:00 AM – 6:00 PM EST, Monday–Friday

May require after‑hours support for critical issues or deployments

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