Sr. Project Administrator

Aecon • Richland, WA

23d • $30

About The Position

The Senior Administration Assistant serves as a senior-level assistant and provides project management support across complex projects and programs. This role ensures high-quality project execution by providing coordination, project controls support, cross-functional communication, and process oversight. The Senior Administration Assistant works closely with project directors/managers, technical leads, stakeholders, and senior leadership to maintain project health, improve workflows, and drive successful delivery of project objectives. The Senior Administration Assistant oversees administrators during pre-outage and outage activities, coordinates site procurement and deliveries, maintains accurate project records and files, maintains time and per-diem records, coordinates relocation and onboarding efforts, and provides technical support.

Requirements

• Strong understanding of project management methodologies (e.g., PMI, Agile, Waterfall).
• Proficient in project management tools (e.g., Primavera P6, MS 365 suite).
• Excellent written and verbal communication skills with ability to adapt across audiences.
• Demonstrated ability to manage multiple tasks and deadlines in a dynamic project environment.
• Strong analytical skills, attention to detail, and a proactive approach to problem‑solving.

Nice To Haves

• PMP, CAPM, or other project management certifications (or willingness to pursue).
• Experience in complex, high‑visibility, or regulated project environments.
• Prior experience coordinating cross‑functional or multi-disciplinary project teams at a senior level.

Responsibilities

• Assist in day-to-day coordination of complex, multi-phase projects, ensuring alignment across teams and stakeholders.
• Assist in maintaining and tracking project schedules, milestones, dependencies, and critical path activities.
• Support project managers and technical leads in developing project related documents.
• Assist in ensuring deliverables are completed on time, within scope, and compliant with organizational standards.
• Create, maintain, and/or audit project documentation including schedules, risk registers, change requests, action logs, and meeting minutes.
• Assist senior management with monitoring project budgets, forecasts, costs, and financial documentation in collaboration with project controls teams.
• Serve as a central point of communication between project teams, leadership, vendors, and external partners.
• Coordinate and facilitate project meetings, workshops, reviews, and working sessions.
• Identify administrative process gaps and lead efforts to develop, refine, and optimize project workflows and procedures.
• Mentor administrative project staff, offering guidance on project coordination best practices.
• Support organizational initiatives aimed at improving standardization, efficiency, and project delivery quality.

Benefits

• Health Insurance Benefits (Comprehensive Plan- Dental/Medical/Vision)
• 401K (comprehensive match plan)
• Paid Vacation (vacation/wellness days)
• Health and Wellness Home Benefit (wellness subsidy for fitness/health)
• Tuition Reimbursement (strong career growth support for approved degrees, diplomas and courses)
• Green Home Energy Benefit ( a subsidy that can be used for approved green home energy expenses)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees