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Senior Administrative Assistant

Job in Lutz, Hillsborough County, Florida, 33549, USA
Listing for: Granite Communications and Security LLC
Full Time position
Listed on 2026-03-13
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Virtual Assistant/ Remote Admin
  • Business
    Office Administrator/ Coordinator
Job Description & How to Apply Below

We are a growing low-voltage and multi-entity company led by a highly detail-oriented CEO. We are seeking an experienced Senior Administrative Assistant to support leadership and multiple departments across the organization.

The ideal candidate is organized, proactive, and detail-oriented, with the ability to support a fast-paced business environment. This role will interact with multiple departments including sales, project management, accounting, and executive leadership
, and may occasionally interact with clients in a professional capacity.

Experience with , strong Excel skills
, and administrative coordination across teams are important for success in this role. We value a collaborative team player who contributes positively to the workplace.

Key Responsibilities

Administrative Support Across Departments
Provide administrative support to leadership and multiple departments to help ensure efficient day-to-day operations.

Project & Task Tracking
Maintain and update project trackers using software
. Assist departments in tracking progress and deadlines.

Document Preparation
Prepare, proofread, and edit proposals, reports, presentations, and other business documents. Maintain organized documentation and records.

Meeting Coordination
Schedule meetings, prepare agendas, take meeting notes, and follow up on action items as needed.

Data Management
Assist with data entry, reporting, document management, and other administrative tasks that support various departments.

Process Improvement
Identify opportunities to improve administrative processes and recommend solutions that increase efficiency.

Qualifications

7+ years of administrative support experience
, preferably supporting senior staff or multiple departments

Experience with Required

Proficiency with Microsoft 365
, including Excel, SharePoint, and Power Point

Strong organizational skills and ability to manage multiple tasks and deadlines

Effective written and verbal communication skills

Ability to work in a fast-paced environment and adapt to changing priorities

Ability to handle confidential and sensitive information with discretion

Strong attention to detail and accuracy

Ability to work collaboratively with a team

Work Schedule

Approximately 45–50 hours per week

Occasional evening or weekend work may be required

Benefits
  • Health Insurance
  • Vision Insurance
  • Paid Time Off (PTO)
  • 401(k) – coming soon
Work Location

This position is in-office in Lutz, Florida
. (LOCAL only)

Hiring Process

Selected candidates are required to complete a job-related administrative skills assessment as part of the hiring process.

Candidates must completion background check
,

Position Type

Position Type: Full-Time,
On-Site

Equal Opportunity Employer

We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other protected characteristic under applicable law.

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Position Requirements
10+ Years work experience
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