Senior Administrative Assistant

CGG • Acton, MA

1d • $55,000 - $65,000 • Onsite

About The Position

Geocomp, Inc. is a uniquely integrated company providing services and products to help clients identify and manage risk associated with infrastructure design, construction, and operation. With over 40 years of experience, Geocomp is well-positioned to help clients on a wide range of projects, providing geostructural consulting, monitoring, and laboratory testing services worldwide. Geocomp also manufactures, sells, and offers expert technical support for our fully automated laboratory testing systems to commercial, research, and academic labs, globally. Job Details: We are seeking a highly organized and proactive Senior Administrative Assistant professional to join our Business Support Services team at our corporate headquarters in Acton, MA. This role is central to the smooth operation of our office, providing day-to-day administrative support across multiple departments and directly supporting the COO. The ideal candidate thrives in a fast-paced, professional environment and takes initiative to improve processes, maintain organization, and ensure a high standard of operational excellence.

Requirements

• 3–5+ years of experience in administrative, office support, or operations roles in a professional environment
• Demonstrated ability to manage multiple priorities and projects simultaneously
• Strong organizational and time management skills with a proactive mindset
• Excellent written and verbal communication skills
• High level of professionalism, discretion, and attention to detail
• Ability to handle confidential information with integrity
• Proficiency in Microsoft Office (Outlook, Word, Excel, PowerPoint) and collaboration tools (Teams, SharePoint)
• Comfortable working onsite in a fast-paced, team-oriented environment

Nice To Haves

• Experience supporting executive-level leadership, ideally in a project-based environment (e.g., engineering, consulting, construction, or technical services)
• Familiarity with ERP systems (e.g., SAP)
• Experience working with Certificates of Insurance (COIs)
• Background in contract review, paralegal work, or legal/contract administration
• Experience coordinating meetings, visitors, and internal events

Responsibilities

• Serve as a central point of contact for office operations, administrative support, and visitor coordination
• Provide direct administrative support to the COO and act as backup support for the broader administrative team
• Review project contracts to identify potential risks and ensure proper documentation
• Track and maintain company and individual licenses, registrations, and professional certifications
• Support client-related administrative processes, including setup and entry of client and project data
• Prepare, format, and distribute communications, reports, and project deliverables
• Coordinate logistics for internal meetings, trainings, and small onsite events
• Maintain organized records, filing systems, and shared digital workspaces
• Partner with Facilities, IT, and Operations to maintain a professional and efficient office environment
• Identify and implement improvements to administrative processes and workflows
• Provide general office support to ensure seamless day-to-day operations
• Manage office supplies, including inventory, ordering, and maintaining overall office readiness

Benefits

• Base salary range: $55,000 to $65,000 per year (Actual compensation will be determined based on experience, qualifications, and internal equity. The range listed reflects the base salary only and does not include bonus, benefits, or other forms of compensation.)
• 401(k) with company match
• Comprehensive health insurance
• Health savings account (HSA)
• Paid time off (PTO)
• Professional development assistance
• Employee referral program

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees