Summary
Overview
Work History
Education
Skills
Interactive Cv
Technical Skills And Qualifications
Timeline
Generic
Mariam Kamungu

Mariam Kamungu

Senior Administrative Assistant / Executive Assistant
London

Summary

Highly experienced and results-driven Senior Administrative Professional with a proven track record in managing operations, facilities, and providing comprehensive executive support in diverse, complex environments. Adept at streamlining processes, enhancing compliance, and cultivating strong stakeholder relationships. Seeking a challenging Administrative Assistant role where a broad range of competencies, particularly in supporting senior leaders and managing sensitive documentation, can drive organizational efficiency within a legal, compliance, and risk department.

Overview

21
21
years of professional experience
2026
2026
years of post-secondary education

Work History

Project Administrator

COWI UK Ltd
London, England
08.2023 - 06.2025

• Provided comprehensive project and document control for large-scale UK infrastructure projects using Asite, AssetWise.
• Tracked invoices, coordinated logistics for engineers, and maintained compliance documentation.
• Supported team reporting processes including timesheets, progress tracking.

Facilities Coordinator Line Manager

COWI UK Ltd
London, England
04.2022 - 07.2023

• Led vendor coordination, H&S compliance, and streamlined RAMS processes.

• Handled approx. 15 daily calls via switchboard, managed visitor reception, and supported cross-functional tasks with HR and IT.

• Oversaw new starter inductions and ensured high-quality office standards.

Operations Team Lead

COWI UK Ltd
London, England
02.2021 - 03.2022

• Trained staff approximately 10-15 per month in IT packages, managed facilities, and supported IMS implementation.
• Built vendor relations and tracked payments approximately 10 per day, enhancing office service efficiency.

Administration Manager

COWI UK Ltd
10.2018 - 02.2021

• Managed travel bookings, liaised with suppliers, supported HR and finance functions.
• Delivered comprehensive onboarding sessions, focusing on safety and company procedures.

Corporate Receptionist/Admin Assistant

Portico (Finance & Investment Clients)
London, England
03.2016 - 10.2018

• Delivered front-of-house excellence for top-tier clients, ensured efficient visitor management

Admin, HR, and Logistics

Various UK & Tanzania Assignments
Dar Es Salaam/London
02.2011 - 03.2016

• Polaris Seismic (Field Admin), Creative Eye (HR), Hourglass (Client Accounts), Ballymore (H&S Admin)

Practice Manager / Personal & Executive Assistant (PA/EA)

The London Clinic
London, England
01.2007 - 04.2011

• Sole administrator for a private practice; full control of diary, billing, and insurance claims.
• Transcribed surgeon notes, scheduled procedures, liaised with patients and consultants.
• Maintained confidential medical data and booked operating rooms across hospitals.

Outpatient Officer

Cromwell Hospital
London, England
09.2004 - 12.2006

• Worked with UHNW and royal patients; managed appointments and ensured confidential and timely service
• Liaised with embassies and insurance providers, handled billing, and complaints resolution

Education

Level 6 Diploma - Business Administration

Cambridge Management & Leadership School
12.2026

Skills

  • Global Travel Coordination & Itinerary Planning

Expense Tracking & Purchase Orders Processing

  • Document Control

  • Office Supply Management

Records Management

Onboarding & Offboarding

  • Security Pass & Visa Coordination

Diary Management

Meeting Logistics

Procurement

Health & Safety, RAMS

Problem-solving abilities

Active listening

Attention to detail

Interactive Cv

https://msnova360.github.io/mariam-k-portfolio/

Technical Skills And Qualifications

  • Microsoft Office Suite: Proficient in Word, Excel, PowerPoint, Outlook, SharePoint, MS Teams.
  • Business Systems: SAP Concur, Asite, Assetwise.
  • IT Proficiency: Advanced IT skills, highly experienced with internet and intranet systems.

Timeline

Project Administrator

COWI UK Ltd
08.2023 - 06.2025

Facilities Coordinator Line Manager

COWI UK Ltd
04.2022 - 07.2023

Operations Team Lead

COWI UK Ltd
02.2021 - 03.2022

Administration Manager

COWI UK Ltd
10.2018 - 02.2021

Corporate Receptionist/Admin Assistant

Portico (Finance & Investment Clients)
03.2016 - 10.2018

Admin, HR, and Logistics

Various UK & Tanzania Assignments
02.2011 - 03.2016

Practice Manager / Personal & Executive Assistant (PA/EA)

The London Clinic
01.2007 - 04.2011

Outpatient Officer

Cromwell Hospital
09.2004 - 12.2006

Level 6 Diploma - Business Administration

Cambridge Management & Leadership School
Mariam KamunguSenior Administrative Assistant / Executive Assistant