Administrative Assistant

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The Vertex Companies, LLC (VERTEX) is a global $150M professional services firm that offers integrated forensic consulting, expert witness services, construction project advisory, and compliance and regulatory consulting to a myriad of markets and industries. Our brand purpose is to better outcomes for our clients, colleagues, and communities. Join us if you are looking for a career that offers you a chance to love what you do, continuously learn, and take pride in your work.

With offices in Abu Dhabi, Dubai, Doha and London, CBBG Group – A Vertex Company is a specialist construction expert services firm that focuses on helping clients solve complex construction, infrastructure and energy disputes. CBBG Group assists clients at all stages of the dispute resolution process, providing delay, disruption, quantum, technical and expert determination services. CBBG Group has significant regional and international expertise across all sectors of the construction and engineering industry.

Our success is founded on performance, underpinned by the talent of our people who hold high the values of honesty, integrity, and accountability.

CBBG is looking for an organized, proactive, and highly skilled Administrative Assistant to join our team. The ideal candidate will be a multi-tasker, quick learner, and effective communicator, with the ability to provide high-level administrative support to our executives in the UK office. As the Administrative Assistant, you will be based in our London office and provide organizational and operational support to ensure efficient daily operations.

This role involves handling administrative tasks, coordinating communication, maintaining records, and assisting with office management to support executives, managers, and team members. The role requires a high level of confidentiality, excellent organizational skills, and the ability to work in a fast‑paced environment.

• Manage calendars, schedule appointments, and coordinate meetings.
• Prepare and edit correspondence, reports, presentations, and other documents.
• Maintain organized filing systems (digital and physical).

• Monitor and order office supplies; liaise with purchasing and service providers.
• Assist in organizing company events, meetings, and travel arrangements.
• Maintain office equipment and coordinate repairs or maintenance as needed.

• Maintain accurate records, databases, and documentation.
• Assist with expense reports.
• Support HR with onboarding activities and maintaining personnel files (if applicable).

• Serve as the point of contact between internal teams, clients, and external partners.
• Assist with communication flow and internal announcements.

• Perform data entry and manage spreadsheets.
• Support project coordination tasks as directed.
• Handle other duties as assigned.

• High school diploma required; associate or bachelor’s degree preferred.
• 1–3 years of experience in an administrative or office support role.

• Strong organizational and time-management skills.
• Ability to work independently.
• Excellent written and verbal communication skills.
• Proficiency in MS Office Suite (Word, Excel, PowerPoint, Outlook).
• Ability to multitask, prioritize workload, and meet deadlines.
• Strong attention to detail and problem‑solving skills.
• Professional attitude and ability to maintain confidentiality.

Please note that The Vertex Companies employs a fully staffed recruiting team. We do not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Agreement, VERTEX will not consider or agree to payment of any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, VERTEX explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Any unsolicited resumes, including those submitted to hiring managers, are deemed to be the property of VERTEX.

Entry level

Full-time

Administrative

Civil Engineering

London, England, United Kingdom