Office Administrator & Company Security Officer Administration Posted : Full-Time The Office Administrator & Company Security Officer plays a key role in supporting Modern Niagara's security, compliance, and administrative operations. Acting as the designated Company Security Officer (CSO) under the federal Contract Security Program (CSP), this role oversees personnel security clearances, compliance requirements, and coordination with government security authorities while supporting Alternate Company Security Officers (ACSOs). In addition, the role provides administrative support to leadership, coordinates office initiatives, and supports corporate events and employee engagement activities.

This role plays a critical part in maintaining Up-to-date Niagara's compliance with government security requirements and supporting successful project delivery. By proactively managing security clearance processes, supporting project teams, and providing guidance to Alternate Company Security Officers, this position helps mitigate risk and ensures uninterrupted access to secure project opportunities. Beyond security compliance, the role also supports leadership and employee engagement initiatives that contribute to a positive workplace experience and efficient office operations.

Ensure compliance with Contract Security Program requirements and maintain Modern Niagara's security clearance obligations. Support project teams, field operations, and ACSOs by providing guidance on security clearance and compliance requirements. Deliver high-quality administrative, coordination, and office support services that contribute to organizational effectiveness and required clearances.

Security & Compliance Serve as Modern Niagara's designated Company Security Officer (CSO) under the Contract Security Program (CSP). Maintain accountability for the organization's Facility Security Clearance (FSC). Coordinate personnel security clearances, renewals, transfers, and upgrades.

Ensure Security Requirements Check

Lists (SRCLs)



and supporting documentation are completed and maintained. Liaise with Public Services and Procurement Canada's Contract Security Program and other government security authorities. Work closely with project teams, field staff, subcontractors, and union partners to support security clearance requirements.

Monitor compliance with security clearance obligations and contract security requirements. Directly support and provide guidance to Alternate Company Security Officers (ACSOs) across multiple offices. Act as a resource for security-related inquiries and compliance requirements.

Maintain security records, reports, and documentation in accordance with company and government requirements. Administrative & Corporate Support Create internal communications, presentations, reports, and office notices. Assist with office operations, vendor coordination, and workplace initiatives.

Corporate

Events & Employee Engagement Support the planning and execution of company-wide events including town halls, holiday celebrations, employee appreciation initiatives, and major sponsored events. Support and coordinate vendors, logistics, communications, registrations, and event materials.

Active

Government of Canada Secret Security Clearance.

Experience supporting security, compliance, administration, operations, or coordination functions. Advanced proficiency with Microsoft Office Suite, including Outlook, Word, Excel, and PowerPoint. Strong stakeholder management and relationship-building skills.

Experience working as a Company Security Officer (CSO) or Alternate Company Security Officer (ACSO).

Experience with the Contract Security Program (CSP).





Experience supporting corporate events or employee engagement initiatives. Performance based bonus opportunities ~ Defined Contribution Pension Plan with a generous employer contribution ~ Flexible Health and Dental benefits with tiered options to meet the needs of you and your family ~ An annual health spending account to support your overall wellness ~24/7 confidential support through our Employee and Family Assistance Program with access to comprehensive resources and professional services ~ A competitive vacation package withadditionalvacation granted throughout your tenure with the organization. ~ Employer Paid Parental Leave Top Up ~ Annual Community Day dedicated to volunteering and giving back to the communities where we live and work ~ Corporate Discounts through various vendors across Canada for programs such as fitness, mobile phones, travel, home and auto insurance and many others Modern Niagara helps building owners, managers, and general contractors meet the mechanical, electrical, integrated building technology, and building services needs of their buildings across Vancouver, Calgary, Edmonton, Toronto, Southwestern Ontario, and Ottawa. We are committed to having a positive and meaningful impact on Canada’s infrastructure — and on the communities where we live, learn, work, and heal.

Health and safety are embedded in everything we do, and our award-winning safety culture consistently performs well above industry standards. Diversity, Equity & Inclusion at Modern Niagara We are committed to building a diverse, equitable, and inclusive organization where everyone has access to prospect, feels a sense of belonging, and can thrive. We actively work to remove barriers faced by members of equity-seeking groups (including women, Indigenous, Black, racialized, 2SLGBTQIA+ people, people with disabilities, and newcomers to Canada) in the construction industry.

If you require accommodation at any stage of the recruitment process, please contact us at careers@modernniagara.

📌 Office Administrator & Company Security Officer (Ottawa)
🏢 Modern Niagara
📍 Ottawa