Assistant Interface Manager

The ONxpress Civils Contractor General Partnership, a partnership between FCC Canada Limited and Aecon Infrastructure Management Inc., is a multidisciplinary Civils Joint Venture (CJV) team with global expertise in delivering innovative solutions for both railway and civil construction projects. Working under Alliance agreements with Metrolinx, the team is helping to modernize railway construction across the GO Transit network.
An Alliance framework, which is relatively new in Canada, is a collaborative partnership between the owner and contractor, who work together with a best-for-project mindset. By streamlining decision making, the Alliance helps ensure that high-quality work is delivered, certified, and transferred in a progressive, transparent, and risk-managed manner.
The Alliance operates with a core focus on safety, efficiency, and sustainability, while fostering strong relationships with stakeholders and rights-holders and contributing positively to local communities as a good neighbour. Through this collaborative approach, the Alliance is helping drive the modernization of key sections of the rail network as part of the GO Expansion Program.
If you're passionate about making a difference and want to be part of a progressive and modern way of working, we want to hear from you.
What You'll Do:As an Assistant Interface Manager, you will support the Interface Lead in managing multidisciplinary design coordination and technical interfaces across civil, structural, and railway systems disciplines. You will lead interface reviews, coordinate technical resolutions, and work closely with design and construction teams to ensure project requirements and delivery objectives are met.
Your responsibilities include:
Oversee multidisciplinary design coordination and interface management activities across Civil, Structural, Systems, and Construction teams, ensuring technical issues and design conflicts are addressed in a timely manner.
Manage the interface coordination process across assigned project packages, overseeing interface requirements, ICD development, interface registers, and the resolution of outstanding technical issues.
Lead the resolution of complex multidisciplinary design and interface issues, working with discipline leads and subject matter experts to evaluate proposed solutions and address impacts on project delivery.
Oversee design and interface deliverables, identify critical dependencies and potential risks, and coordinate with relevant teams to address impacts on design development, construction sequencing, and project schedules.
Provide technical guidance to coordinators, lead key stakeholder discussions, and support the Interface Lead in prioritizing activities, resolving escalated issues, and reporting progress to management.
Supporting the Interface Manager in tracking coordination progress, documentation, and compliance with internal governance and project procedures.
Assisting in coordinating interface reviews, workshops, and technical meetings with internal teams and external partners.
Help, manage and maintain design records, safety documentation, and project deliverables.
Monitor and report all the submission status and follow up successful delivery.
Ensure alignment between design, construction, and operations in coordination with subject matter experts.
Lead important technical meetings and define actions by schedule
Supporting the Interface Manager with day-to-day activities.
Supporting the review and coordination of multi-disciplinary design packages for railway systems, rolling stock, and infrastructure.
Collaborating with engineers and discipline leads to ensure consistency and compliance with project standards.
Promoting a culture of safety, quality, and collaboration within the project team.
What will you Bring:
Bachelor’s degree in civil engineering, Systems Engineering, or a related engineering discipline. Professional Engineer (P.Eng.) designation or eligibility for registration in Ontario is considered an asset.
Minimum 7 years of relevant engineering experience on major infrastructure projects, including at least 4 years in multidisciplinary design coordination, technical interface management, or related engineering leadership roles. Rail or transit experience is preferred.
Demonstrated experience managing technical interfaces, including Interface Control Documents (ICDs), interface registers, multidisciplinary design reviews, and resolution of complex design and construction issues.
Strong understanding of engineering design development, construction sequencing, and integration between civil works and railway systems, with proven ability to lead technical discussions and coordinate multiple stakeholders.
Experience in railway interface activities and processes.
Strong organizational skills and attention to detail.
Excellent communication and stakeholder coordination skills.
A proactive, learning-oriented mindset with the ability to work both independently and collaboratively.
Expected compensation for this role is between $100,000.00 - $130,000.00 annually. Base salaries are determined according to multiple factors including skills, experience and potential impact on the role. Internal and external competitiveness are also taken into consideration. In addition to base salary ONxpress also offers a comprehensive medical program, comprehensive dental program, RRSP with company matching and the potential to participate in our discretionary, performance based bonus program.
Benefits
comprehensive medical program
comprehensive dental program
RRSP with company matching
potential to participate in our discretionary, performance based bonus program.
This role is a newly created position.
As part of our commitment to fair and transparent hiring practices, ONxpress may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and ONxpress’ AI Usage Policy. All final decisions are made by qualified ONxpress team members. Connect with us! Learn more about our project here and follow us on LinkedIn for frequent updates.
This position is with ONxpress Civils (“CJV” aka the Design & Construction team);
the project segment responsible for the modernization and modification of the key area network, including countless innovations in the way the regional rail infrastructure is built.
We value diversity and encourage all qualified individuals to apply, regardless of whether they meet 100% of the qualifications listed. If you believe you have the skills and passion to excel in this role, we welcome your application and the opportunity to consider you for the position.
We are an Equal Employer. Should you need any accommodation through the recruitment process, please contact View email address on ca.hrm.tc.
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