Office Administrative Assistant

Onyx-Fire Protection Services Inc. is the fastest growing full-service fire protection company. At this time, we are seeking a permanent, full-time Key Accounts Administrator. Responsibilities: Collaborate and co-ordinate with the various departments within Onyx-Fire (Estimating, Operations & Service) is required to ensure detailed and accurate support for our clients. Ensuring customer satisfaction during daily customer interactions with a strong attention to detail and a focus on fast turnaround and delivery for our clients. Processing jobs Creating quotations Managing document flow Required Skills and Qualifications: High school diploma or equivalent Excellent communication skills both verbal and written Intermediate to advanced knowledge of Microsoft Excel, Word Excellent typing and data entry skills Ability to deal effectively and courteously with all staff, customers and general public A proven team player with the ability to succeed in a fast-paced, rapidly changing environment Strong understanding and commitment to the requirements of confidentiality Exceptional organizational skills, attention to detail and the ability to multi-task Able to work independently with minimum supervision A positive, can-do attitude and customer focused approach that will enable you to deal with challenging situations with integrity, empathy and sincerity What We Offer: Top benefits. Unlimited opportunity for advancement. We are actively recruiting for this open role and will initiate onboarding as soon as a candidate is chosen. Join Us: Headquartered in Mississauga, with deep operations throughout Canada, Onyx-Fire is the quality choice for local and national clients alike. We deliver preventative maintenance and project services to protect our client’s people and their properties. Onyx Fire Protection Services is an equal opportunity employer committed to fair and respectful treatment of all individuals. We value diversity as a strength and strive to create an inclusive workplace. In accordance with provincial legislation and our Accommodation Policy, we welcome accommodation requests throughout the hiring process. Our high-performance culture provides an environment for people to grow and develop in their careers, take on more responsibility, and be part of a team that shares the same goals.

The Key Accounts Administrator will collaborate with various departments to ensure detailed and accurate support for clients. Responsibilities include processing jobs, creating quotations, and managing document flow.

Candidates must have a high school diploma and excellent communication skills. Proficiency in Microsoft Excel and Word, along with strong organizational skills and the ability to work independently, are also required.

Identified from the job description. Confirm important requirements above.

• Communication Skills
• Microsoft Excel
• Microsoft Word
• Typing Skills
• Data Entry Skills
• Team Player
• Organizational Skills
• Attention to Detail
• Multi-tasking
• Independent Work
• Customer Focused
• Problem Solving
• Confidentiality
• Fast-paced Environment
• Empathy
• Integrity

• Administrative
• Customer Service & Support
• Consulting
• Trades
• Security & Safety

Minimum education

High school

Minimum experience

0+ years

Apply by

Dec 1, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Entry level

Application method

Direct apply is available