Enterprise Architect
Allen Guest
Slalom
Calgary,AB
1
Language
1
Certification
37
years of professional experience
Enterprise Architect / Leader experienced in designing and implementing enterprise-wide architectural solutions across diverse industries including Energy, Aerospace, and Finance. Delivered transformative projects that aligned IT strategy with business goals and enhanced operational efficiency. Leveraged cloud technologies to optimize system performance and drive innovation.
Work History
Senior Enterprise Architect
4 Years- Led major modernization initiatives across banking (Central1 Bank, Fairstone Bank, CIBC), rail (CPKC), utilities (AltaLink, BC Hydro), and nonprofit sectors, including reverse engineering legacy COBOL systems and defining cloud ready target architectures for enterprise scale transformation.
- Designed multi-phase roadmaps and RFPs to facilitate adoption of advanced analytics, AI, predictive modeling, and modern CRM/operational platforms, enhancing decision making, customer engagement, and financial performance.
- Designed multi phase roadmaps and RFPs enabling organizations to adopt advanced analytics, AI and predictive modeling, and modern CRM/operational platforms to improve decision making, customer engagement, and financial performance.
- Directed complex, multi-stakeholder solution implementations by aligning enterprise, data, network, and business teams, resulting in delivery of integrated platforms such as loyalty systems, joint use asset management solutions, and digital banking divestiture architectures.
- Supported sales representatives in pre-sales engagements to provide technical and implementation details on possible solution approaches and scoping for client meetings and documentation.
- Supported Brookfield in establishing Architecture Repository using Ardoq, streamlining enterprise architecture processes.
Enterprise Architect
6 Years 1 Month- Led enterprise-wide engineering technology rationalization initiative at MDA to assess legacy platforms, redundant systems, and high-cost vendor footprints to streamline the application portfolio, reduce technical debt, and align investments with business capability needs—driving over $10M in annual cost reduction, complexity, and operational risk.
- Provided strategic leadership for large-scale technology transformations, including consolidating IT capabilities post-acquisition, defining 180-day CIO action plans, and developing multi-year roadmaps that targeted over $70M in IT cost and risk reduction.
- Led enterprise-wide engineering technology rationalization initiative at MDA to assess legacy platforms and redundant systems, streamlining application portfolio and aligning investments with business capability needs—resulting in over $10M in annual cost reduction and reduced operational risk.
- Directed complex solution architecture initiatives such as Suncor’s mobile worker program, establishing mobile connectivity architecture in collaboration with Infrastructure, Data, and Security teams to enable secure, enterprise-grade mobility.
- Strengthened organizational planning and governance by shaping AESO funding submissions and organizing annual IT funding roadmaps while advising architecture teams on code construction and delivery practices to resolve critical delivery issues.
Enterprise Architect
2 Years 7 Months- Developed disruptive technology strategies, provided expert analysis and advisement for CISO and IT leadership, created Cloud/Mobile operational strategy, and identified opportunities to leverage technology for operational efficiency, safety, reliability, and competitive advantage.
- Led architecture standards and practices review board across lines of business, enhancing technology and implementation consistency to strengthen IT risk management.
- Developed enterprise architecture frameworks aligning IT strategy with business goals.
- Led cross-functional teams to implement technology solutions enhancing operational efficiency.
- Evaluated and recommended technologies to optimize system performance and reduce costs.
Solution Architect
5 Years 9 Months- Architected, designed, and executed applications and services in the TC energy commercial space for oil, gas, and power lines of business.
- Led development teams of 2-60 architects and developers, providing technical oversight, resolving roadblocks, and championing IT change initiatives.
- Led architecture design for complex energy solutions, ensuring alignment with business objectives.
- Collaborated with cross-functional teams to define technical requirements and project scopes.
- Developed and maintained architectural frameworks to enhance system performance and scalability.
Solution Architect
8 Years 3 Months- Developed and architected B2B financing/leasing platform for Bank of America and Dun and Bradstreet, enhancing financial transactions. Designed and implemented solutions as senior developer and architect for City of Seattle, Department of Planning and Development, and Municipal Court, streamlining urban planning processes. Led Seattle GIS project in collaboration with Microsoft and Google, integrating advanced mapping technologies.
- Led architecture design for complex energy solutions, enhancing system integration and performance.
- Defined technical standards and best practices, ensuring compliance with regulatory requirements.
- Collaborated with cross-functional teams to develop innovative strategies for energy management projects.
Solution Developer
1 Year 7 Months- Led development efforts for various projects in banking, agriculture, and transportation sectors. Collaborated with sales team to support pre-sales engagements, enhancing client presentations and technical understanding.
- Developed innovative software solutions to enhance system performance and user experience.
- Collaborated with cross-functional teams to identify requirements and deliver tailored applications.
- Implemented best practices for code quality and application maintenance, ensuring long-term sustainability.
Co-Founder & Technology Leader
5 Years 5 Months- Designed and developed custom telephony solutions, enhancing communication for health and legal organizations.
- Maintained server and networking infrastructure, ensuring reliable business operations.
- Developed and implemented strategic business plans to drive company growth and market positioning.
- Led cross-functional teams to enhance product development and operational efficiency.
- Established key partnerships to expand service offerings and enhance client engagement.
Developer
3 Years 7 Months- Designed and developed real-time data acquisition software enhancing well abandonment validation. Designed and developed inflow performance simulator for modeling pump jack material and configurations.
- Developed and implemented innovative logging software solutions to enhance operational efficiency.
- Led cross-functional teams to optimize data processing workflows for logging operations.
- Mentored junior developers, fostering skill development and knowledge sharing within the team.
Education
BSc - Computer Science
Skills
Enterprise / Business / Solution Architecture
Transformation / Roadmap Development
Emerging / Disruptive Technology analysis
Application Portfolio Rationalization
IT / Business alignment and strategy
Technology Risk assessments
Lean Six Sigma improvement
C-suite advisory
Security architecture
Microservices architecture
Mainframe / n-Tier / Cloud architectures
TOGAF / COBIT deliverables
ITIL / ITSM / ISO27001
Data governance
Data modeling
IT compliance
Cloud security strategy
Master data management
DevOps practices
System architecture design
Performance optimization
Data architecture
ETL development
Software development lifecycle
Data integration strategies
Stakeholder communication
NoSQL databases
EA Coaching
Technology Risk assessments
Teamwork and collaboration
Problem-solving
Attention to detail
Platform as a service
Enterprise information architecture
Team collaboration
Problem-solving
Languages
English
Native or Bilingual
Certification
- Certified AWS Cloud Practitioner, 2025
- Azure Cloud Design Patterns
Timeline
Senior Enterprise Architect
Slalom
03.2022 - 03.2026Read More
Enterprise Architect
Independent
02.2016 - 03.2022Read More
Enterprise Architect
Enbridge
05.2014 - 12.2016Read More
Solution Architect
TC Energy
06.2008 - 03.2014Read More
Solution Architect
COMSYS
03.2000 - 06.2008Read More
Solution Developer
Bell
08.1998 - 03.2000Read More
Co-Founder & Technology Leader
Intellitech
03.1993 - 08.1998Read More
Developer
Premium Plug Logging
08.1989 - 03.1993Read More
DeVry Institute of Technology
BSc from Computer Science
Read More