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Reperio Human Capital
Senior Security ConsultantReperio Human Capital • Calgary Region, Alberta, Canada
Senior Security Consultant

Senior Security Consultant

Reperio Human Capital • Calgary Region, Alberta, Canada
30+ days ago
Job type
  • Full-time
Job description

Senior Security Consultant

234343

Desired skills:
Cyber Security, Security, Firewall, Perimeter, OT Security

Senior Cybersecurity Consultant - Perimeter & OT Security

Location: Calgary, AB (Hybrid)


Contract: 6 Months (Potential Extension)

Overview

We're seeking an experienced Senior Cybersecurity Consultant to support a major enterprise security initiative focused on strengthening perimeter security, reducing attack surface exposure, and improving secure network architecture across complex enterprise and Operational Technology (OT) environments.

This is an excellent opportunity for a senior consultant who combines strong technical expertise with architecture, risk assessment, and stakeholder engagement.

Please note: No third parties or C2C arrangements.

Responsibilities

  • Assess and optimize enterprise firewall environments
  • Review firewall rule sets to identify overly permissive, redundant, and unused rules
  • Design and improve secure network segmentation strategies
  • Assess external attack surfaces and identify security risks
  • Design secure connectivity between enterprise and OT environments
  • Review VPN, remote access, jump server, and gateway-based access solutions
  • Conduct attack path and exposure assessments
  • Evaluate monitoring, logging, and detection capabilities
  • Recommend improvements to enhance visibility and incident response
  • Collaborate with infrastructure, networking, and application teams
  • Present technical findings and risk assessments to both technical and business stakeholders

Required Experience

  • Extensive experience with enterprise firewall platforms (Palo Alto, Check Point, or similar)
  • Strong background in firewall rule analysis and optimization
  • Experience designing secure network segmentation
  • Deep understanding of enterprise perimeter security
  • Experience with VPN and secure remote access technologies
  • Knowledge of Zero Trust architecture
  • Experience working within Operational Technology (OT) and/or Industrial Control Systems (ICS) environments
  • Familiarity with Purdue Model, RDMZ architecture, and OT security principles
  • Strong understanding of TCP/IP, DNS, HTTP/S, SSH, RDP, and enterprise networking
  • Excellent communication and stakeholder management skills

Preferred Experience

  • Experience with OT protocols such as Modbus or OPC
  • Experience performing enterprise security assessments
  • Consulting experience within large enterprise environments

Reperio Human Capital acts as an Employment Agency and an Employment Business.

Gareth Irvine is recruiting for this role. Get in touch with Gareth Irvine for more information:

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Senior Security Consultant • Calgary Region, Alberta, Canada

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