Apple/macOS SME - Washington, DC Connexus Hub is seeking an Apple/macOS Subject Matter Expert (SME) to support enterprise service desk and endpoint engineering for a federal client in Washington, DC. Location: Washington, DC (On Site). Clearance: Public Trust (Tier 2) required. Employment Type: Full-Time. Key Responsibilities: Provide subject-matter expertise for Apple/macOS endpoint management, configuration, deployment, and support within an enterprise service desk environment. Troubleshoot and resolve macOS device, application, and integration issues; support end users. Administer macOS device management (MDM), e.g., Jamf, including imaging, configuration profiles, patching, and security/compliance baselines. Collaborate with Microsoft/Windows, cloud, and cybersecurity teams to maintain a secure, reliable endpoint environment. Document procedures and contribute to continuous service improvement. Required Qualifications: 8+ years of experience in IT, endpoint engineering, or cybersecurity. Deep macOS administration and support expertise; hands-on with MDM (Jamf or equivalent). Strong service desk / customer support skills and clear communication. Public Trust (Tier 2) eligibility; ability to obtain client network access. Preferred: Apple certifications (ACMT/ACSP) and/or Jamf certification.