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Administrative Support Specialist III

Cahaba Federal Solutions
Arlington, VA Full Time
POSTED ON 12/14/2025
AVAILABLE BEFORE 2/14/2026

*** Requires an active, SECRET Clearance ***

Cahaba Federal Solutions is a rapidly growing small business specializing in intelligence, prototyping and integration, systems engineering, and technology development. Recognized as one of Huntsville’s Best Places to Work® for the past two years, as a Best Place for Working Parents®, and as the winner of the Huntsville/Madison County Emerging Business of the Year® for 2025, Cahaba is a trusted partner in advancing national security through innovative solutions to critical challenges. We are committed to supporting our nation's most vital missions with dedication and expertise. Joining the Cahaba team means access to meaningful career growth, opportunities for personal development, and the chance to tackle engaging and impactful work.

Job Summary:

The Administrative Support Specialist III serves as a senior-level administrative professional providing executive and analytical support to Washington Headquarters Services (WHS) Directorates and senior DoD leadership. This role provides high-level administrative and executive support to senior leadership and plays a critical role in managing office operations, coordinating strategic initiatives, and ensuring organizational efficiency.


Key Responsibilities:

  • Lead and coordinate all administrative operations within assigned WHS offices or directorates.
  • Serve as the primary administrative liaison for senior leadership, ensuring effective communication, scheduling, and coordination of high-level activities.
  • Manage and resolve complex scheduling and priority conflicts for senior officials.
  • Draft, edit, and prepare executive-level correspondence, reports, and presentations for senior review and dissemination.
  • Oversee task management systems (e.g., CATMS) to ensure all correspondence, actions, and deliverables are completed accurately and on time.
  • Develop and implement standard operating procedures (SOPs) and process improvements to enhance workflow efficiency and effectiveness.
  • Analyze administrative data and prepare reports, executive summaries, and special briefings.
  • Coordinate logistics for classified and unclassified meetings, including visitor access and the secure handling of documents.
  • Mentor and guide junior administrative staff; may serve as lead or task coordinator.

Required Qualifications

  • Bachelor’s Degree in Business Administration or a related discipline.
  • Minimum 8 years of progressively responsible administrative experience supporting senior DoD or federal executives.
  • Expert proficiency in Microsoft 365 (Word, Excel, PowerPoint, Outlook, Access, Project) and Adobe Acrobat.
  • Experience with CATMS, TMT, or similar correspondence/task tracking systems.
  • Exceptional written and verbal communication skills, with demonstrated ability to prepare formal DoD correspondence.
  • Strong analytical and problem-solving abilities.
  • U.S. citizenship and an active, SECRET Security Clearance is required.


Cahaba’s full-time employees are rewarded with competitive salaries* and an outstanding comprehensive benefits package. These benefits include Blue Cross Blue Shield medical coverage, Guardian vision and dental insurance, company-funded life, short-term and long-term disability, tuition reimbursement, wellness benefits, generous paid time off, and robust retirement plan solutions.

Employment opportunities at Cahaba Federal Solutions are based upon a candidate’s qualifications and capabilities to perform the essential functions of a particular job and are free from discrimination based on race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, protected veteran status, genetic information, or any other characteristic protected by law.

*Compensation for this position is determined by a variety of factors, to include a candidate’s relevant work experience, location, skills, and certifications.

Salary.com Estimation for Administrative Support Specialist III in Arlington, VA
$80,282 to $103,675
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