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Posted August 20, 2026

Administrative Assistant - 3-Year Contract

Connexion Systems & Engineering, Inc.
Lexington, MA, US Full Time
30USD - 38USD per hour

Job Description

Job Description

Administrative Assistant – 3-Year Contract

Location: Lexington, MA
Pay Rate: $30–$38/hr
Schedule: Monday–Friday | 100% On-Site
Duration: 3-Year Contract


Clearance: Ability to obtain a Secret Clearance required; Interim clearance is sufficient to start

We are seeking an experienced Administrative Assistant to support dynamic office environments within a large research and technology organization. There are two openings available—one will support multiple groups as a shared administrative resource, while the other will provide dedicated support to a specific group.


This is a great opportunity for someone who is highly organized, dependable, professional, and comfortable managing multiple priorities in a fast-paced environment.


What You’ll Do

  • Provide day-to-day administrative support to busy offices
  • Manage complex calendars, schedule meetings, and coordinate appointments
  • Anticipate scheduling conflicts and adjust priorities as needed
  • Support employee onboarding and offboarding
  • Track and coordinate employee training requirements
  • Coordinate meetings, including scheduling, room arrangements, and logistics
  • Answer phones and respond to emails
  • Arrange business travel and create travel itineraries
  • Process expense reports and vouchers
  • Escort visitors and assist with visitor coordination
  • Process electronic shopping carts and PCard purchases
  • Maintain office supplies and inventory
  • Enter and maintain employee timesheets
  • Organize and maintain paper and electronic files
  • Process various organizational and laboratory forms
  • Assist with special projects and process improvements
  • Handle confidential and classified information appropriately

What We’re Looking For

  • High school diploma, GED, or equivalent required; college education preferred
  • 5+ years of administrative support experience
  • Strong experience with:
    • Calendar management
    • Meeting coordination
    • Data entry
    • Travel arrangements and itineraries
    • Filing and document management
    • General administrative support
  • Excellent organizational and time-management skills
  • Strong attention to detail and ability to manage multiple priorities
  • Excellent written and verbal communication skills
  • Ability to work independently and as part of a team
  • Strong problem-solving skills and a proactive approach
  • Ability to work effectively with employees at all levels
  • Comfortable working in a fast-paced environment and meeting deadlines
  • Ability to handle confidential information with discretion
  • Strong computer skills and 5+ years of Microsoft Office experience, including Word, Excel, PowerPoint, Visio, and Outlook

Preferred Qualifications

  • Bachelor's degree
  • Experience with SAP/ERP or SAP/SRM
  • Experience with electronic document management systems
  • Previous experience supporting a government, defense, or research environment
  • Existing Secret or higher-level clearance

SAP/SRM experience is preferred but not required—training will be provided.

Additional Information

  • 2 positions available
  • 3-year contract
  • 100% onsite, 5 days per week
  • Candidates must be able to obtain a Secret Clearance
  • Interim clearance is sufficient to start
  • Initial interview will be conducted by phone or Zoom
  • Candidates who advance should expect an onsite interview
  • Position involves handling classified material


If you are an experienced administrative professional who enjoys staying organized, coordinating multiple priorities, and supporting a dynamic team, we encourage you to apply!

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