8/3/26

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Job Type: Permanent Work Model: Remote Reference code: 134195 Primary Location: Toronto, ON All Available Locations: Toronto, ON; Calgary, AB; Halifax, NS; Ottawa, ON; Vancouver, BC

What will your typical day look like?

The Application Segmentation Engineer candidate will have a strong background in cybersecurity and understanding of Zero Trust and micro segmentation security practices. The primary responsibility of the Engineer will be to ensure the effective deployment, configuration, and maintenance of our application segmentation platforms for Global customers. This role requires expertise in micro segmentation technologies, network security, traffic analysis, policy management, and cloud security, as well as experience with application dependency mapping, troubleshooting, and security log analysis. This role will be part of the Application Segmentation Service within the Cyber Architecture and Engineering organization.

Role Specific Responsibilities:

• Platform Management: Deploy, configure, and maintain application segmentation platforms to protect enterprise workloads and reduce lateral movement risk through Zero Trust security controls.
• Policy Management: Define, implement, and maintain micro segmentation policies utilizing Cisco Secure Workload and Illumio. Support policy lifecycle activities including discovery, testing, validation, enforcement, and ongoing optimization.
• Traffic Analysis and Dependency Mapping: Analyze application communication flows and identify workload dependencies to support application onboarding, policy creation, and secure application communications.
• Security Incident Response: Monitor and analyze security events, alerts, traffic flows, and logs generated by application segmentation platforms. Investigate and respond to potential security incidents, working closely with the Security Operations Center (SOC) and other Cybersecurity teams.
• Application Onboarding: Partner with application, infrastructure, and cloud engineering teams to onboard applications into the segmentation service, ensuring business requirements and security objectives are met.
• Detection and Analysis: Utilize segmentation telemetry, traffic analytics, and security logs to identify unauthorized communications, policy violations, and security risks. Provide investigation findings and recommendations to relevant business units to improve information security posture.
• Policy Troubleshooting and Optimization:. Troubleshoot application communication issues, blocked traffic, and policy conflicts. Monitor policy effectiveness and recommend improvements to address policy drift, coverage gaps, and operational requirements.
• Documentation and Reporting: Maintain accurate documentation of segmentation configurations, policies, standards, and procedures. Prepare reports and metrics related to application onboarding, policy enforcement, operational health, and risk reduction activities.
• Collaboration: Must be able to collaborate with cross-functional teams to ensure effective communication, knowledge sharing, and alignment of security objectives. Provide guidance to application teams on Zero Trust and application security best practices as needed.
• Automation: This role requires individuals who are knowledgeable in automation processes, APIs, JSON, Python, PowerShell, Terraform, the use of AI, and cloud-native concepts within AWS, Azure, and Google Cloud. Support automation of application onboarding, policy management, reporting, and operational processes.

About the team

Deloitte Technology works at the forefront of technology development and processes to support and protect Deloitte around the world. In this truly global environment. we operate not in what is but rather what can be to help Deloitte deliver and connect with its clients. its communities. and one another in ways not previously conceived.

Enough about us, let's talk about you

Required:

• Bachelor's Degree and/or Undergraduate Diploma in Information Security, Information Technology, Computer Science, Engineering or equivalent years in experience.
• At least 4 years of work experience with a minimum of 2 years in network security and 2 years supporting Micro Segmentation, Zero Trust, workload security, firewall management, or related cybersecurity technologies.
• Strong knowledge of Zero Trust architecture, micro segmentation concepts, and least-privilege access enforcement.
• Strong technical background with application segmentation platforms, workload security technologies, network security controls, and cloud security policies.
• Understanding of application dependency mapping, traffic flow analysis, and policy-based security enforcement.
• Experience with Cisco Secure Workload, Illumio, or similar micro segmentation technologies.
• Strong understanding of TCP/IP networking, DNS, routing, firewalls, ACLs, SSL certificates, and network traffic analysis.
• Previous experience in a Security Operations Center (SOC) or performing cybersecurity analysis, log analysis, and threat detection is highly desirable.
• Understanding of cloud networking and security concepts within AWS, Azure, and Google Cloud environments.
• Exposure to APIs, automation, system integrations, Windows, Linux, virtualization, and cloud-hosted workloads.
• Excellent written and oral communication and presentation skills for technical and business audiences.
• Track record of delivering high-quality results within established timeframes.
• Demonstrated ability to operate in a dynamic, evolving environment, and manage multiple priorities.
• Experience supporting large-scale enterprise environments with complex application and network architectures.

Preferred:

• Knowledge of application segmentation and micro segmentation technologies, including Cisco Secure Workload, Illumio, Guardicore, VMware NSX, or similar platforms.
• Knowledge of Zero Trust frameworks, architectures, and supporting security technologies.
• Familiarity with cloud security services, concepts, and best practices (AWS, Azure, GCP).
• Infrastructure as code (Terraform) and automation using Python, PowerShell, APIs, or similar technologies.
• Experience with cybersecurity analysis, security monitoring, log analysis, and threat detection.
• ServiceNow experience and technical documentation experience.
• CISSP, CISM, CISA, GIAC, Security+, CCNP Security, or other security certifications are desired.
• Familiarity and comfortability using AI tools.

Total Rewards

The salary range for this position is $69,000 - $114,000, and individuals may be eligible to participate in our bonus program. Deloitte is fair and competitive when it comes to the salaries of our people. We regularly benchmark across a variety of positions, industries, sectors, targets, and levels. Our approach is grounded on recognizing people's unique strengths and contributions and rewarding the value that they deliver.

Our Total Rewards Package extends well beyond traditional compensation and benefit programs and is designed to recognize employee contributions, encourage personal wellness, and support firm growth. Along with a competitive base salary and variable pay opportunities, we offer a wide array of initiatives that differentiate us as a people-first organization. On top of our regular paid vacation days, some examples include: $4,000 per year for mental health support benefits, a $1,300 flexible benefit spending account, firm-wide closures known as "Deloitte Days", dedicated days of for learning (known as Development and Innovation Days), flexible work arrangements and a hybrid work structure.