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MAC System Administrator; Senior-Level

Job in Frederick, Frederick County, Maryland, 21701, USA
Listing for: Link Solutions, Inc.
Full Time position
Listed on 2026-06-04
Job specializations:
  • IT/Tech
    IT Support, Cybersecurity
Salary/Wage Range or Industry Benchmark: 64000 - 108000 USD Yearly USD 64000.00 108000.00 YEAR
Job Description & How to Apply Below
Position: MAC System Administrator (Senior-Level)

Overview

Link Solutions, Inc. delivers reliable and effective Information Technology services to government clients in support of critical mission needs. Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity, Virtualization, Cloud and Mobility services. If you are looking for a technology company that values innovation, with a vision toward the future of the technology landscape, look no further than Link Solutions!

Link is quality and compliance-focused, under our guiding philosophy, “Mission First, Customer Always". We are certified in ISO 9001:2015, ISO 20000-1:2018, and ISO 27001:2022; CMMC Level 2 certified; and appraised at CMMI Maturity Level 3 for Services and Development.

Job Description

Link Solutions is seeking a MAC System Administrator (Senior-Level) to join our team at Aberdeen Proving Ground, MD.

  • U.S. Citizen with an active DoW Top Secret Clearance
  • Non-remote (relocation incentive available)
Job Responsibilities
  • Deploy, manage, and support macOS systems and software installations.
  • Enforce endpoint management policies, including configuration profiles, security baselines, and device encryption.
  • Perform macOS patching, system updates, and automation using Bash or Apple Script.
  • Manage user authentication and access controls in coordination with directory services.
  • Monitor performance and ensure security hardening using DoD-mandated configurations.
  • Coordinate data backups and recovery processes using approved solutions.
  • Conduct compliance audits and maintain an accurate inventory of Apple hardware/software.
  • Serve as a subject matter expert for macOS best practices, collaborating with other platform admins.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job.

Qualifications
  • U.S. Citizen with an active DoW Top Secret Clearance
  • Ten (10+) years of relevant experience working in an IT or Service Desk environment OR a BA/BS degree in Information Technology, Computer Science, Engineering, or related field with two (8+) years of experience working in an IT or Service Desk environment.
  • IAT Level II Certification equivalent or higher per DoD 8570/DoD 8140 (CompTIA Security+ CE, CCNA Security, GICSP, GSEC, SSCP, etc.).
  • MacOS (Apple Certified Support Professional) or equivalent.
  • Ability to work with customers to develop new value-added programs and data solutions with existing structures and new requirements.
  • Ability to work in a fast-paced and constantly evolving environment.
Preferred
  • Information Technology Infrastructure Library (ITIL) v4 certification
  • Experience with incident management within the Service Now Information Technology Service Management (ITSM) platform.
  • Proficiency with Microsoft Office products.
  • Experience creating and modifying documentation for technical processes and procedures.
  • Experience working in a Department of Defense (DoD) environment.
  • A problem solver and troubleshooter who thrives in resolving complex problems.
  • Strong self-starter requiring minimal supervision.
  • Excellent communication skills (written and oral) and interpersonal skills.
  • Excellent organizational skills, attention to detail, and ability to prioritize and manage multiple tasks.
Salary Range

$64,000 - $108,000

Several factors influence the final salary or hourly rate, including but not limited to contract wage determinations, relevant work experience, role-specific skills and competencies, geographic location, educational background, certifications, and federal government contract labor categories.

Additional Information

Link Solutions Inc. offers a competitive compensation and benefits package to include paid holidays, paid time off, medical, dental, vision, company-paid long and short-term disability, life insurance, referral bonuses, relocation incentive program, certification reimbursement program, retirement, and more.

Link Solutions, Inc. is an EOE. AA/M/F/D/V. We participate in the E-Verify Employment Verification Program. All your information will be kept confidential according to EEO guidelines.

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Position Requirements
10+ Years work experience
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