Administrative Assistant for 24/7 Security Ops & Billing

Inter-Con Security Systems, Inc.; Washington (District of Columbia); On-site; USD 70,000 - 80,000; Full time

Job summary

Inter-Con Security Systems, Inc. is seeking an Administrative Assistant to support officer post orders, scheduling, and billing in our Washington, DC office.

You will liaise with field and client leadership to ensure accurate scheduling and invoice accuracy in a fast-paced environment. The ideal candidate has 3+ years of administrative experience, strong Microsoft Word/Excel/PowerPoint/Outlook skills, exceptional organization, and the ability to adapt to irregular schedules.

Qualifications

• High School Diploma or GED required.
• 3+ years administrative experience preferred.
• Ability to obtain Secret Clearance preferred.

Responsibilities

• Capture, review, and edit officer post orders with client leadership.
• Track priority items in company and client databases.
• Understand 24x7 shift operations and scheduling.
• Process time-off requests promptly.
• Verify billing data against internal records.
• Prepare reports and spreadsheets for the client.
• Provide payroll and billing support as needed.
• Familiarize with Salesforce to submit cases.
• Maintain timely data input on large-scale tasks.
• Flexible availability for irregular schedules.

Skills

Microsoft Word

Excel

PowerPoint

Outlook

Attention to detail

Time management

Education

High School Diploma or GED

Tools

Salesforce

Job description

Inter-Con Security Systems, Inc. is seeking an Administrative Assistant to support officer post orders, scheduling, and billing in our Washington, DC office.

You will liaise with field and client leadership to ensure accurate scheduling and invoice accuracy in a fast-paced environment. The ideal candidate has 3+ years of administrative experience, strong Microsoft Word/Excel/PowerPoint/Outlook skills, exceptional organization, and the ability to adapt to irregular schedules.