Senior Enterprise Infrastructure Architect

On behalf of our large oil & gas client, Vaquarii is seeking a Senior Enterprise Infrastructure Architect for a full-time position. The chosen candidate will play a key role in defining and driving the strategic design and direction of network and infrastructure technology across our client’s IT and OT environments. Services will be carried out through an On-Site Work Schedule from a downtown Calgary headquarters.

Responsibilities:

• Define and maintain domain reference architectures, standards, and design patterns aligned with enterprise architecture principles.
• Develop technology roadmaps, whitepapers and decision records.
• Ensure recommendations are aligned to enterprise architecture principles, regulatory requirements and security standards while supporting executive strategic direction and business goals and objectives.
• Collaborate with project managers, business analysts, and technical leads throughout the project lifecycle – from solutioning through implementation.
• Provide architecture oversight and governance across multiple concurrent IT and OT projects and ensure delivered solutions adhere to security, scalability, and performance standards.
• Translate business and operational requirements into architecture blueprints and solution specifications.
• Maintain documentation and architecture artifacts aligned to information management and record retention best practices.
• Communicate architectural decisions clearly to cross-functional teams and leadership.
• Act as a trusted advisor to business and technical stakeholders, bridging the gap between technical complexity and business value.
• Partner with Cyber Security teams to embed security by design principles, including network segmentation, identity, encryption, monitoring, and secure connectivity across IT and OT environments.
• Collaborate closely with the Enterprise Architect to ensure alignment with enterprise-wide technology roadmaps, integration strategies, and future state architecture.

Must Have Skills:

1. Post-secondary education in Information Technology, Computer Science, Engineering or Business, or related discipline.
2. At least 10 years of experience in IT, with the last 3 years in architecture or senior technical leadership role.
3. Experience in oil & gas, energy, or utilities – preferably in pipeline operations or midstream sector.
4. Strong understanding of key design principles underpinning cloud, on-prem and hybrid environments.
5. Understanding of Purdue (PERA) models and how to apply principles in practice.

Nice to Have Skills:

1. Preferred certifications include TOGAF (The Open Group Architecture Framework), CCSP (ISC2) or an equivalent credential.
2. An Azure Administrator Associate certification, or a similar credential, is considered an asset. Experience with telecommunications organizations is considered an asset.

Job Location:

• Downtown Calgary, Alberta
• Remote Schedule

What Success Looks Like

• The successful candidate will demonstrate expertise in enterprise infrastructure architecture, cloud and hybrid environments, technology governance, and the development of strategic roadmaps, whitepapers, and decision documents that support long-term business objectives.