Summary
Overview
Work History
Education
Skills
Languages
Certification
Timeline
Generic
Dolly Limbaga, C.E.T.

Dolly Limbaga, C.E.T.

Calgary,Alberta

Summary

Certified Engineering Technologist (C.E.T.) with 20+ years in maintenance scheduling, reliability planning, and project controls across oil sands, pipeline, and upstream operations. Expertise in weekly & long-term maintenance planning, daily schedule coordination, resource forecasting, PM program optimization, and tools including SAP S4, Maximo, Prometheus Scheduling, and Primavera P6. Strong track record of cross-functional collaboration, analytical problem solving, and delivering safe, efficient, and cost-effective maintenance programs.

Overview

20
20
years of professional experience
2
2
Certifications

Work History

Maintenance Scheduler

Conoco Phillips Canada
Calgary, Alberta
06.2024 - 11.2025
  • Developed long-term schedules weekly, biweekly, and for three to eight weeks to support PM programs and manpower planning.
  • Coordinated daily and weekly scheduling meetings to align craft, contractor, and operational priorities.
  • Created weekly schedules to optimize resource allocation and workload leveling.
  • Built resource forecasting reports addressing craft demand, contractor utilization, backlog, and capacity limitations.
  • Applied SAP S4 and Prometheus Scheduling for integrated schedules and logical task sequencing.
  • Identified schedule conflicts and resource gaps, implementing corrective actions to uphold schedule integrity.
  • Supported PM program execution alongside Management of Change (MoC) schedule updates.
  • Produced dashboards and metrics to monitor schedule compliance and forecast accuracy.

Project Controls & Logistics Coordinator

Cenovus Energy – Calgary, AB
Calgary, Alberta
04.2023 - 10.2023
  • Managed project cost control, budgeting, forecasting, and variance analysis for Turnaround.
  • Developed dashboards and scorecards to integrate schedule and financial performance metrics.
  • Monitored budget expenditures and conducted thorough analysis of financial reports.
  • Collaborated with team members to enhance project workflows and efficiency.
  • Coordinated project schedules to ensure on-time completion of all tasks.

Senior Maintenance Scheduler

Cenovus Energy – Wood Buffalo, AB
Conklin, AB
04.2017 - 04.2023

Facilitated daily and weekly scheduling meetings with Operations, Maintenance, and contractors to enhance collaboration.

  • Maintained preventive maintenance schedules while coordinating resources for safe, cost-effective execution.
  • Executed KPI reporting and budget oversight, ensuring data integrity in SAP, Maximo, and Primavera P6.
  • Optimized preventive maintenance plans and schedules to drive continuous improvement across projects.

Senior Reliability Planner / Program Developer

Cenovus Energy – Calgary, AB
Calgary, Alberta
09.2019 - 08.2020

(Secondment)

  • Managed asset maintenance programs, optimized PM strategies, and maintained PM job plan libraries.
  • Designed standard and optimized PM programs for new facilities and existing equipment.

Senior Maintenance & Outage Planning & Scheduling

TC Energy
Calgary, Alberta
08.2013 - 07.2016
  • Led maintenance and outage scheduling to minimize throughput impacts.
  • Developed annual maintenance plans and coordinated in-line inspection/pigging (ILI) schedules.
  • Prepared daily/monthly outage reporting; collaborated with engineering, asset reliability, and field operations.

Activity Planning Functional Lead – Integrity & Di

BP Americas
Houston, Texas
07.2011 - 07.2013
  • Developed eight-quarter and 12-week functional schedules, integrating with area and contractor timelines.
  • Optimized scheduling processes to mitigate risks and enhance operational efficiency.
  • Conducted scheduling meetings to align contractor activity plans with project goals.
  • Facilitated stakeholder meetings to gather input and ensure project alignment.
  • Mentored junior staff on project execution best practices and team collaboration strategies.
  • Provided guidance to junior developers on coding techniques and application design principles.

Reliability & Maintenance Technologist / Maximo SM

BP Canada
Calgary, Alberta
10.2005 - 07.2011
  • Developed and maintained Master Equipment List (MEL) and Safety Critical Equipment (SCE) in Maximo.
  • Managed technology support requests, ensuring prompt resolution of issues.
  • Led continuous improvement initiatives for technological processes at BP Canada.
  • Maintained PMs, job plans, and CMMS data; conducted plant walkdown to verify equipment and P&IDs.
  • Delivered CMMS training while ensuring engineering drawings complied with standards.
  • Collaborated with cross-functional teams to optimize system performance.

Education

Certificate - Advanced Project Management

University of Calgary
Calgary
01-2026

Certificate - Industrial Instrumentation Technology

SAIT
Calgary, AB
12-2022

Degree - Bachelor of Technology (BTech)

Northern Alberta Institute of Technology
Edmonton
05-2017

Certificate - Process Piping Drafting

SAIT
Calgary, AB
01-2003

Diploma - Architectural Technologies

SAIT
Calgary, AB
05-2000

Diploma - Mechanical Drafting Technology

Technological University of The Philippines
Manila

Skills

  • Daily, Weekly & Long-Term Maintenance Scheduling
  • Resource Forecasting & Capacity Planning
  • PM Program Development & Optimization
  • SAP S4, Maximo, Prometheus Scheduling, Primavera P6
  • Project Controls, Budget Monitoring, KPI Reporting
  • Cross-Functional Collaboration & Stakeholder Engagement
  • Analytical Thinking & Continuous Improvement
  • Microsoft Office Suite & Dashboard Reporting

Languages

English
Professional
Tagalog
Limited
Spanish
Elementary

Certification

C.E.T. - ASET

Timeline

Maintenance Scheduler

Conoco Phillips Canada
06.2024 - 11.2025

Project Controls & Logistics Coordinator

Cenovus Energy – Calgary, AB
04.2023 - 10.2023

Senior Reliability Planner / Program Developer

Cenovus Energy – Calgary, AB
09.2019 - 08.2020

Senior Maintenance Scheduler

Cenovus Energy – Wood Buffalo, AB
04.2017 - 04.2023

Senior Maintenance & Outage Planning & Scheduling

TC Energy
08.2013 - 07.2016

Activity Planning Functional Lead – Integrity & Di

BP Americas
07.2011 - 07.2013

Reliability & Maintenance Technologist / Maximo SM

BP Canada
10.2005 - 07.2011

Certificate - Advanced Project Management

University of Calgary

Certificate - Industrial Instrumentation Technology

SAIT

Degree - Bachelor of Technology (BTech)

Northern Alberta Institute of Technology

Certificate - Process Piping Drafting

SAIT

Diploma - Architectural Technologies

SAIT

Diploma - Mechanical Drafting Technology

Technological University of The Philippines
Dolly Limbaga, C.E.T.