Onsite Administrative Assistant, Defense Tech (Secret)

Connexion Systems and Engineering, Inc.; Lexington (MA); On-site; USD 33,000 - 55,000; Full time

Job summary

Connexion Systems & Engineering seeks two experienced Administrative Assistants to support fast-paced, mission-driven technical organizations in Lexington, MA. This 3-year contract role is 100% onsite with a pay rate of $30-$40 per hour and standard Monday–Friday hours.

You will manage calendars, onboarding/offboarding, travel, expenses, and documentation while handling multiple priorities with professionalism.

Qualifications

• 5+ years of progressive administrative support experience.
• Strong experience managing calendars, meetings, travel arrangements, filing, and data entry.
• Excellent organizational and time management skills with exceptional attention to detail.
• Ability to prioritize multiple tasks in a fast-paced environment.
• Strong written and verbal communication skills.
• Professional, dependable, and able to work independently while collaborating with a team.
• Proficiency with Microsoft Office Suite (Outlook, Word, Excel, PowerPoint).

Responsibilities

• Manage complex calendars, schedule meetings, and resolve scheduling conflicts
• Coordinate onboarding, offboarding, and employee training activities
• Arrange domestic travel and prepare travel itineraries
• Process expense reports, purchasing requests, and PCard transactions
• Organize meetings, prepare materials, and support special projects
• Maintain office supplies, records, files, and documentation
• Enter timesheets and process administrative forms
• Welcome and escort visitors as needed
• Handle confidential information with discretion and professionalism

Skills

Calendar management

Travel coordination

Time management

Communication

Organizational skills

Data entry

MS Office

Education

Associate's or Bachelor's degree

Tools

SAP

ERP

SRM

EDMS

Job description

Connexion Systems & Engineering seeks two experienced Administrative Assistants to support fast-paced, mission-driven technical organizations in Lexington, MA. This 3-year contract role is 100% onsite with a pay rate of $30-$40 per hour and standard Monday–Friday hours.

You will manage calendars, onboarding/offboarding, travel, expenses, and documentation while handling multiple priorities with professionalism.