We're seeking a Senior Technology Architect (RQ10224) for the Ministry of Public and Business Service Delivery and Procurement. This onsite role provides expert-level IBM RACF administration for OPS z/OS mainframe environment with 15+ years hands-on experience, zSecure suite proficiency, and 24x7 Level-2 support including SSL/TLS certificate renewals and disaster recovery. Position Details Client: Ministry of Public and Business Service Delivery and Procurement

Location: 222 Jarvis Street, Toronto, Ontario (Onsite - 5 days/week from Jan 5, 2026)

Start Date: February 2, 2026

End Date: March 31, 2027

Duration: 288 business days (Probable extension after initial mandate)

Hours: 7.25 hours per day (Mon-Fri standard hours)

Security Level: CRJMC

Must Haves

• 15+ years hands-on IBM RACF administration in z/OS mainframe environments
• IBM zSecure suite proficiency for RACF auditing/automation
• 10+ years Mainframe operational support in large-scale Government of Ontario-like environments
• z/OS system internals: TSO/ISPF, JCL, JES2/3, mainframe architecture
• IRRUT200/IRRUT400, RLIST/SETROPTS security utilities
• Excellent communication for technical/non-technical stakeholders

Key Responsibilities

• Expert RACF administration/operational support for OPS mainframe
• Resolve complex RACF security issues (access violations, audit findings)
• SSL/TLS Certificate Renewals on Mainframe environment
• Participate in incident/problem/change management (CRQs, implementation planning)
• 24x7 on-call Level-2 RACF support (mission-critical environment)
• Support disaster recovery/business resumption/contingency testing
• Technical consultation/mentoring for IAMP staff, ITS teams, ministry stakeholders
• Maintain complete RACF documentation (procedures, standards, runbooks)

Experience And Skill Set Requirements RACF Technical Expertise (40%):

• 15+ years IBM RACF administration (z/OS mainframes)
• zSecure suite for auditing/automation tasks

Mainframe Systems Knowledge (40%):

• 10+ years complex mainframe projects: installation/setup/migrations/upgrades
• Government of Ontario-scale environment operational support
• z/OS internals: TSO/ISPF, JCL, JES2/3, architecture
• Security utilities: IRRUT200/IRRUT400, RLIST/SETROPTS

Security & Compliance (10%):

• Regulatory frameworks: SOX, PCI DSS, HIPAA
• Access control best practices, risk management

Communication & Interpersonal (10%):

• Interface with technical/non-technical stakeholders
• Translate security risks into business impact

How To Apply Submit mandatory documents to hrsmss@smsoftconsulting.com by Monday, February 9, 10:00 AM EST :

• Updated Resume in Word format (Mandatory)
• References (Mandatory)
• Expected hourly rate (Mandatory)
• Visa Status (Mandatory)
• LinkedIn ID (Mandatory)

Without mandatory documents, we cannot submit a candidate. Additional Information

• Onsite 5 days/week required from January 5, 2026
• Recent RACF administration + Mainframe experience mandatory
• 24x7 on-call support for mission-critical environment
• WhatsApp updates: https://chat.whatsapp.com/KCmWoqPlxWvAZmyXLcd8or