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Enterprise Cybersecurity Architect

HF Sinclair


Job Location:

Dallas, IA - USA

Monthly Salary: Not provided by the employer
Posted: 26 August 2026 (Yesterday)
Application Deadline: 23 November 2026
Vacancies: 1 Vacancy

Job Summary

Basic Function
The IT Security Architect defines and governs enterprise cybersecurity architecture standards and secure design practices across IT and OT environments. Provides strategic architecture guidance aligns security decisions with business objectives and cyber risk priorities and supports secure adoption of emerging technologies while driving risk reduction and operational resilience.
Job Duties

Enterprise Cybersecurity Architecture Strategy and Standards

  • Define maintain and improve cybersecurity architecture principles standards guardrails patterns and reference architectures.
  • Establish reusable architecture patterns that enable secure-by-design delivery reduce inconsistent solution decisions limit architectural drift and address avoidable control gaps.
  • Use the enterprise cybersecurity taxonomy to organize architecture decisions standards roadmaps risks controls metrics and capability maturity discussions.

Security Architecture Governance and Design Reviews

  • Lead or facilitate security architecture reviews for major technology initiatives cyber portfolio projects OT modernization cloud solutions application modernization identity patterns data platforms integrations automation and AI-enabled capabilities.
  • Identify architecture risks design gaps control weaknesses and standards deviations; document tradeoffs recommendations decisions and residual risk implications.
  • Define architecture dependencies design constraints runway needs standards readiness and risk reduction outcomes for major IT and cyber initiatives.

Cyber Risk Control and Capability Traceability

  • Support risk register accuracy by mapping technology and architecture risks to affected capabilities root-cause design gaps maturity gaps and practical mitigation approaches.
  • Advise on architecture implications of policy exceptions control gaps risk acceptances third-party dependencies and emerging technology adoption decisions.

Technology Domain Architecture Guidance

  • Guide security architecture for IT/OT convergence industrial digital platforms cyber-physical systems network segmentation secure remote access monitoring identity data exchange cloud SaaS application API automation and AI-enabled solutions.
  • Evaluate emerging technologies and industry trends for applicability risk architecture impact control requirements and adoption guardrails.

Stakeholder Partnership and Continuous Improvement

  • Influence strategic initiatives by explaining architecture options risk tradeoffs design implications and recommended paths forward.
  • Facilitate alignment where ownership is shared or ambiguous by clarifying architecture boundaries decision rights and execution expectations.
  • Support continuous improvement of architecture governance standards adoption exception management security design quality and measurable security outcomes.

Special assignments or tasks may be assigned to the employee by their supervisor as determined from timeto time in the supervisors sole and complete discretion.

Experience

A minimum of 8 years of experience in IT infrastructure cybersecurity cloud security security engineering enterprise architecture solution architecture OT security or related technology domains.

  • Minimum of 4 years of experience in an architecture function including development of standards reference architectures design patterns architecture governance or technology roadmaps.
  • Demonstrated experience translating business risk regulatory and technical requirements into practical security architecture guidance.
  • Demonstrated ability to operate as a senior technical advisor across multiple teams domains and levels of leadership.
  • Experience leading architecture reviews producing architecture decision records documenting design tradeoffs and influencing risk-informed discussions across technical and business stakeholders.
  • Experience working across multiple technology domains including some combination of identity network cloud endpoint data application SaaS infrastructure integrations OT or cyber-physical systems.
  • Experience supporting cyber risk reduction control alignment maturity improvement or security roadmap development.
Education Level

A bachelors degree in Information Technology Information Security Cybersecurity Computer Science Engineering or a related field is required. Equivalent experience may be considered in lieu of a degree.

Preferred Educational Level:

Masters degree in Information Technology Cybersecurity Information Security Engineering Business Administration or a related field.

Required Skills
  • Enterprise security architecture and secure-by-design principles.
  • Architecture frameworks and methods such as TOGAF SABSA DoDAF NIST C2M2 SAFe for Architects or similar approaches.
  • Architecture governance methods including standards management design review facilitation architecture decision records and architecture review forums.
  • Systems thinking and ability to analyze complex cross-domain dependencies.
  • Cyber risk analysis control alignment maturity assessment and risk-informed roadmap development.
  • Ability to translate strategy risk and control requirements into practical architecture standards and engineering-ready guardrails.
  • Security architecture concepts across IT OT cyber-physical systems cloud SaaS application API data identity network monitoring automation and resilience domains.
  • Strong communication facilitation stakeholder management and executive-facing presentation skills.
  • Continuous improvement mindset with ability to establish reusable patterns feedback loops and measurable outcomes.

Preferred Skills:

  • Oil and gas critical infrastructure industrial cybersecurity or OT security architecture experience.
  • Experience with NIST CSF C2M2 CIS ISO 27001 NERC CIP TSA security directives or other cybersecurity and regulatory frameworks.
  • Experience aligning security architecture to enterprise cyber taxonomies capability models maturity models control libraries or unified controls frameworks.
  • Experience supporting cyber portfolio planning investment prioritization roadmap development OKRs KPIs KRIs or value/risk-based planning.
  • Experience with security architecture for AI analytics automation machine identities APIs data platforms cloud-native architectures and SaaS ecosystems.
  • Familiarity with SSE/SASE Zero Trust cyber-physical systems and digital transformation security patterns.
  • Relevant certifications such as CISSP CCSP SABSA TOGAF GIAC ISA/IEC 62443 cloud security or similar credentials.

Supervisory/Managerial Responsibility

This role has no direct supervisory responsibilities but is expected to provide senior technical leadership architecture direction mentoring and cross-functional influence across cybersecurity IT and OT.

Work Conditions

Office-based with up to 20% travel by land or air is required. Subject to all weather and varying road conditions.

Benefits
HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include but are not limited to the following:

  • Medical Insurance
  • Vision Insurance
  • Dental Insurance
  • Paid Time-Off
  • 401(k) Retirement Plan with match
  • Educational Reimbursement
  • Parental Bonding Time
  • Employee Discounts

We are committed to fostering a supportive and inclusive work environment ensuring our employees have the resources needed to thrive professionally and personally. Benefit eligibility is governed by official plan documents for more details visitTotal Rewards.
Our One HF Sinclair Culture:
At HF Sinclair we are united through our One HF Sinclair Culture which is underpinned by our five core values of Safety Integrity Teamwork Ownership and Inclusion. Developed to empower our people our five core cultural values are at the heart of everything we do and extend to how we engage our stakeholders. These values influence our decisions shape our behaviors and keep us connected across the entire organization. We maintain a true Safety culture for our employees communities environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees investors communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership. We foster a culture of Inclusion by encouraging diversity of experiences viewpoints and backgrounds. What makes each of us different together makes us stronger.
About HF Sinclair Corporation
HF Sinclair Corporation headquartered in Dallas Texas is an independent energy company that produces and markets high-value light products such as gasoline diesel fuel jet fuel renewable diesel and other specialty products. HF Sinclair owns and operates refineries located in Kansas Oklahoma New Mexico Wyoming Washington and Utah and markets its refined products principally in the Southwest U.S. the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states. HF Sinclair supplies high-quality fuels to more than 1500 branded stations and licenses the use of the Sinclair brand at more than 300 additional locations throughout the addition subsidiaries of HF Sinclair produce and market base oils and other specialized lubricants in the U.S. Canada and the Netherlands and export products to more than 80 countries. Through its subsidiaries HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in Artesia New Mexico. HF Sinclair provides petroleum product and crude oil transportation terminalling storage and throughput services to its refineries and the petroleum industry.
Equal Opportunity Employer

HF Sinclair Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age disability veteran status or any other prohibited ground of discrimination.


Required Experience:

Staff IC


About Company

An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additiona ... View more

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