Apple MacOS Systems Engineer with Security Clearance

Acclaim Technical Services, founded in 2000, is a leading language and intelligence services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) company, which is uncommon within our business sector. We see this as a significant strength, and it shows: ATS is consistently ranked as a top workplace among DC area firms and continues to grow. We are actively hiring an Apple MacOS Systems Engineer with TS/SCI clearance and polygraph in McLean, VA. Job Description:• As a member of a team, you will work with the government customer supporting deployment, operation & maintenance of Apple macOS systems• Work closely with customers to define requirements, configure & deploy solutions, and sustain Apple macOS systems• Provide oversight and strategic direction for system solution, including connectivity, multifactor authentication, best practices, principles, documentation, and governance• Provide Subject Matter Expertise (SME) in system engineering support More About the Role:• Experience researching, designing, configuring, and administering Apple macOS in a multi-system and/or multi-application environment• Excellent communication skills, both written and verbal; regularly interact with senior government executives • Ability to foster collaboration in a fast-paced IT operational environment • Ability to quickly respond to shifting goals and priorities You''ll Bring These Qualifications:• Active TS/SCI w/FSP is required• Bachelor''s degree preferably in an IT related field 8 years of related experience; or a Masters with 6 years of experience; an Associates with 10 years of experience.• 5+ years of enterprise administration with Apple products, and experience in a macOS break/fix support or similar role.• The ideal candidate will understand the who, what and how of Mac hardware and software system development.• Strong interpersonal and communication skills with good stakeholder engagement• Demonstrated ability to manage multiple competing tasks simultaneously and complete work within allocated timeframes• Self-starter with the ability to work in a team environment• Strategic, but also pragmatic, detail-oriented, and willing to be hands-on• Demonstrated experience creating secure applications systems utilizing IC security guidelines and utilizing Customer Authentication and Authorization systems.• Demonstrated experience accrediting IT systems under the ICD 503 Certification and Accreditation Process. • Ability to communicate clearly and concisely, both orally and in writing. Strong public speaking skills and professional demeanor required. Ability to create original documentation. These Qualifications Would be Nice to Have:• Demonstrated experience with cloud-based technologies (e.g AWS, Azure) is desired• Apple Certified Macintosh Technician Certification (ACMT) a PLUS

Created: 2026-04-04