MacOS Administrator

• Are you a tech enthusiast who loves solving complex problems?
• Do you have a keen eye for detail and excellent analytical skills?
• Would your friends describe you as a self-starter who takes pride in your work and enjoys collaborating with others?

If so, we have an exciting opportunity for you at The Greentree Group!

The Greentree Group is a dynamic, innovative, and thriving company that specializes in delivering advanced technology solutions to federal, state, and commercial clients. With a team of highly skilled professionals, we provide cutting‑edge services and are always pushing the boundaries of what’s possible. What sets us apart is our commitment to excellence and our passion for the work we do. At The Greentree Group, we are driven by a shared sense of purpose and a desire to make a difference in the lives of people around us.

Whether it's helping our clients achieve their goals, developing innovative solutions to complex problems, or giving back to the community, we are dedicated to making a positive impact. We also believe in investing in our people and providing them with opportunities for growth, development, and advancement. We offer a dynamic and supportive work environment, a culture of continuous learning, and a wide range of benefits and perks that promote work‑life balance and personal well‑being.

Whether you're a seasoned expert or just starting out in your career, if you're passionate about technology, committed to excellence, and eager to take on new challenges, we want to hear from you!

As a MacOS Administrator, you will have the opportunity to work with cutting‑edge technologies and collaborate with a talented team of research professionals at Wright‑Patterson Air Force Base, Dayton, OH. Your role will be critical in providing support to our Customer. Join us and be part of our mission to make a difference!

• Deploy, manage, maintain, and support macOS systems and software installations.
• Enforce endpoint management policies, security baselines, and device encryption.
• Develop management scripts using Bash or Apple Script.
• Monitor performance and ensure security hardening using DoD‑mandated configurations.
• Operate as the MACOS resource for the technical support team.
• Supporting customers in a research environment.

• Bachelor’s Degree in Computer Science or related field (or equivalent experience).
• Two (2) to Five (5) years of related experience required.
• Experience with MacOS related Mobile Device Management (MDM) solutions.
• Adept at working independently as well as part of a team.
• Strong written and oral communication skills in the English language.
• Strong time‑management and prioritization skills.
• Ability to communicate applicable technical subject matter expertise to a non‑technical audience.
• One or more of the following credentials: CCNA Security, CySA+, GICSP, GSEC, Security+CE, SSCP.
• Candidates must be U.S. Citizens and have an active DoD Secret Clearance or higher.

• MacOC (Apple Certified Support Professional) or equivalent.
• One or more of the following credentials: CCNA Security, CySA+, GICSP, GSEC, Security+CE, SSCP.
• Linux familiarity or experience.

We believe in fostering a positive, inclusive culture that values diversity, teamwork, and personal growth. With opportunities for advancement and a supportive community of colleagues, The Greentree Group is the perfect place to build your career. Learn more about us at  Please note that this role may require a National Agency Check (NAC) and/or background check, and relocation assistance is not available at this time.

Greentree is an Equal Opportunity Employer and does not discriminate based on race, color, religion, sex, national origin, age, sexual orientation, gender identity, genetic information, or status as a qualified individual with a disability or protected veteran.

Greentree adheres to federal, state, and local regulations. This is a Full‑Time, Salary, Exempt position. The following salary range is what we reasonably expect to pay but is contingent and subject to a variety of…