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Administrator Sr Security Clearance

Job in Scottsdale, Maricopa County, Arizona, 85250, USA
Listing for: Moseley Technical Services, Inc.
Full Time position
Listed on 2026-06-24
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Virtual Assistant/ Remote Admin, Business Administration
Salary/Wage Range or Industry Benchmark: 35 - 40 USD Hourly USD 35.00 40.00 HOUR
Job Description & How to Apply Below
Position: Administrator Sr with Security Clearance
Check out this new opportunity! Executive Administrator Senior Leadership Support Scottsdale, AZ Pay Estimated: $35.00 - $40.00/Hour U.S. Citizenship is required by Federal Law We are seeking an Executive Administrator with an active TS/SCI clearance to provide high-level administrative support to Directors, Senior Managers, and large organizational teams in a secure defense environment. This role requires expertise in executive calendar management, travel coordination, meeting planning, expense reporting, Microsoft Office, and confidential administrative operations supporting mission-critical programs and senior leadership.

Responsibilities:
* Provide comprehensive administrative support to Directors, Senior Managers, and organizations consisting of 35 or more employees.
* Manage complex executive calendars, schedules, and meeting coordination to ensure efficient use of leadership time.
* Coordinate local, domestic, and international travel arrangements, including itineraries, reservations, travel documentation, and security-related travel requirements.
* Prepare and process expense reports, time reporting, and associated administrative documentation.
* Organize and coordinate meetings, conferences, briefings, and leadership events.
* Maintain accurate records, correspondence, reports, and administrative documentation.
* Serve as a liaison between leadership, internal teams, and external stakeholders while maintaining professionalism and discretion.
* Support leadership priorities by proactively managing administrative details and resolving scheduling conflicts.
* Prepare, edit, proofread, and distribute written communications, presentations, reports, and briefing materials.
* Ensure strict adherence to confidentiality, security requirements, company policies, and administrative procedures.
* Utilize Microsoft Office applications and business systems to support daily operations and reporting requirements.
* Identify opportunities to improve administrative processes, efficiency, and workflow effectiveness, including leveraging AI-enabled tools where appropriate.
* Support special projects and additional administrative responsibilities as assigned.

Qualifications:

* U.S. Citizenship is required by Federal Law
* Active Department of Defense TS/SCI security clearance required at time of hire.
* High School Diploma or equivalent required.
* Related vocational training plus a minimum of 5 years of administrative or business experience; OR a minimum of 8 years of administrative or business experience.
* Experience providing executive-level administrative support to Directors, Senior Managers, or equivalent leadership positions.
* Experience managing complex calendars, executive schedules, travel arrangements, meetings, and business operations support.
* Strong working knowledge of Microsoft Office Suite, including Outlook, Word, Excel, and PowerPoint.
* Experience coordinating local, domestic, and international travel while adhering to applicable security requirements.
* Strong organizational, time management, prioritization, and multitasking skills.
* Ability to handle highly sensitive and confidential information with professionalism and discretion.
* Excellent written and verbal communication skills, including document preparation, editing, proofreading, and correspondence management.

Preferred Qualifications:

* Experience supporting executives within defense, aerospace, government, intelligence, or classified environments.
* Experience supporting organizations with large employee populations and complex operational requirements.
* Strong writing, editing, grammar, and business communication skills.
* Experience improving administrative processes and implementing operational efficiencies.
* Familiarity with AI-enabled productivity tools and process improvement initiatives.
* Proven ability to build collaborative relationships and foster trust across leadership teams and stakeholders. Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer What to Expect
* Applicants selected for employment will be required to pass a pre-employment drug screening and background investigation, which may include education, criminal, and work history verifications.
* Accepted applicants will be eligible for benefits, including medical and supplemental insurance, and a 401(k) plan. Appreciation and gratitude for employees are hallmarks of organizations with low turnover.
* Final position level and pay will be based on experience. Resources
* To apply, send a resume to:  
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* For more information about Moseley, visit:
About Us Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have been successful in our vision by building long-term relationships with…
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