IT Security Consultant at Deloitte

Job Type: Permanent
Work Model: Hybrid
Reference code: 131559
Primary Location: Toronto, ON
All Available Locations: Toronto, ON; Burlington, ON; Kitchener, ON

Our Purpose

At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a prosperous society where people can find meaning and opportunity. It builds consumer and business confidence, empowers organizations to find imaginative ways of deploying capital, enables fair, trusted, and functioning social and economic institutions, and allows our friends, families, and communities to enjoy the quality of life that comes with a sustainable future. And as the largest 100% Canadian-owned and operated professional services firm in our country, we are proud to work alongside our clients to make a positive impact for all Canadians.

By living our Purpose, we will make an impact that matters.

• Have many careers in one Firm.
• Enjoy flexible, proactive, and practical benefits that foster a culture of well-being and connectedness.
• Learn from deep subject matter experts through mentoring and on the job coaching

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As an Application Security Consultant with focus on application security, you will assess projects for security risks and recommend mitigations that enable informed business decisions. You will support the development and enforcement of security controls designed to safeguard Deloitte and our clients’ data across traditional applications and emerging AI/LLM-driven architectures. Your work will support secure design, implementation, and continuous improvement of cloud-native, distributed, and AI-enabled systems.

What will your typical day look like?

You will have the following responsibilities:

• Conduct application SSDLC reviews, including network security, IAM controls, and application security assessments in a hybrid multi-vendor cloud environment.
• Evaluate application architectures for design flaws—e.g., network segmentation gaps, IAM misconfigurations, overly permissive roles, encryption control deficiencies—against organizational and industry security standards.
• Identify vulnerabilities and weaknesses in the application architecture through application security assessments, code reviews, threat modeling, and vulnerability scanning and penetration testing.
• Collaborate with development teams to integrate automated security scanning tools into the CI/CD pipeline.
• Perform Dynamic Application Security Testing (DAST), Static Application Security Testing (SAST), and Software Composition Analysis (SCA) – along with conducting Infrastructure as Code (IaC) reviews.
• Review security scan results and work closely with the development team to prioritize security vulnerabilities identified using a risk-based approach.
• Provide recommendations and guidance to stakeholders to continually improve the security posture of application architectures.
• Work with stakeholders to develop and enhance policies, procedures, and risk management strategies to safeguard clients and enhance overall security.

About the team

Deloitte Canada Cybersecurity - Application Security and Engineering team is a group of passionate professionals dedicated to building secure, resilient, and scalable solutions. We thrive on solving complex challenges that safeguard applications across the enterprise. With diverse backgrounds and deep expertise in cybersecurity, secure software development, and risk management, we bring a wealth of knowledge to every project.

As part of this team, you’ll collaborate with engineers and security specialists to embed security into the software development lifecycle, innovate on cutting-edge security practices, and strengthen the firm’s defenses. We are the trusted advisors at the intersection of security and technology—placing you at the forefront of protecting critical systems and enabling secure innovation.

Enough about us, let’s talk about you

Required:

• A Bachelor’s degree in Computer Science, Software Engineering, or Information Security with industry experience of at least 3 years.
• Demonstrated experience in application security concepts such as secure coding, system architecture design, development, industry application security standards and best practices.
• Proficiency in identifying and remediating common web application vulnerabilities, including OWASP Top 10.
• Worked on securing AI/LLM systems end-to-end, covering RAG pipelines, vector DBs, embeddings, model-serving, and access layers; mitigate prompt injection, jailbreaks, unsafe outputs, data poisoning, model inversion/extraction, and sensitive data leakage, while enforcing guardrails, moderation, training-data governance, and CI/CD-integrated AI testing.
• Demonstrated experience in using application security testing tools to perform static, dynamic code analysis, and penetration testing.
• Strong hands-on experience in assessing multi-vendor cloud environments (AWS, Azure and GCP), awareness of service offerings of the vendors; and security evaluation and hardening requirements of them.
• Experience in software development with solid knowledge of all phases of SDLC is an asset.
• Strong analytical and problem-solving abilities.
  Strong desire to learn more and having a career vision of a security architect.
  
  Certifications
  
• Desired: Associate/Architect level certificate from a leading cloud vendor (AWS, Azure or GCP) (or) Working towards OSCP+ Security Engineer

Nice to Have:

• Understanding of security code issues for JEE/.NET/JS/JSP/ASP/Python applications.
• Competency in understanding complex application environments - comprising of applications developed on modern technologies such as:
  
  • containerization (Docker, Kubernetes etc.)
  • serverless compute (Lambda functions, Azure functions etc.)
  • IAC (Terraform, CloudFormation etc.)
  • Automation and CI/CD technologies (Jenkins, Chef, Ansible, Puppet, Azure DevOps etc.)
• Understanding of hardening Agentic AI architectures, including agent/tool frameworks, orchestration, and multi-agent workflows, ensuring secure tool invocation, strict permissions, context isolation, misuse prevention, and safe cloud deployment.
• Ability to effectively articulate application security issues to broad spectrum of audience - developers to project managers to senior leadership, as well as develop strong relationships across various levels of an organization.

Certifications:

• Good-to-have/aspiring for: GWAPT or GCPN

Total Rewards

The salary range for this position is $58,000 - $96,000, 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.

Our promise to our people: Deloitte is where potential comes to life.

Be yourself, and more.

We are a group of talented people who want to learn, gain experience, and develop skills. Wherever you are in your career, we want you to advance.

You shape how we make impact.

Diverse perspectives and life experiences make us better. Whoever you are and wherever you’re from, we want you to feel like you belong here. We provide flexible working options to support you and how you can contribute.

Be the leader you want to be

Some guide teams, some change culture, some build essential expertise. We offer opportunities and experiences that support your continuing growth as a leader.

Have as many careers as you want.

We are uniquely able to offer you new challenges and roles – and prepare you for them. We bring together people with unique experiences and talents, and we are the place to develop a lasting network of friends, peers, and mentors.

The next step is yours

At Deloitte, we are all about doing business inclusively – that starts with having diverse colleagues of all abilities. Deloitte encourages applications from all qualified candidates who represent the full diversity of communities across Canada. This includes, but is not limited to, people with disabilities, candidates from Indigenous communities, and candidates from the Black community in support of living our values, creating a culture of Diversity Equity and Inclusion and our commitment to our AccessAbility Action Plan, Reconciliation Action Plan and the BlackNorth Initiative.

We encourage you to connect with us at [email protected] if you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations) or [email protected] for any questions relating to careers for Indigenous peoples at Deloitte (First Nations, Inuit, Métis).

When you apply, we will review your application using Deloitte's Global Talent Standards to ensure a consistent recruitment experience. Our recruitment advisors and hiring teams will utilize human screening combined with AI technology to help identify the skills and qualities that matter most to our business, while safeguarding your privacy and using AI responsibly.

Deloitte Canada has 20 offices with representation across most of the country. We acknowledge that Deloitte offices stand on traditional, treaty, and unceded territories in what is now known as Canada. We recognize that Indigenous Peoples have been the caretakers of this land since time immemorial, nurturing its resources and preserving its natural beauty. We acknowledge this land is still home to many First Nations, Inuit, and Métis Peoples, who continue to maintain their deep connection to the land and its sacred teachings. We humbly acknowledge that we are all Treaty people, and we commit to fostering a relationship of respect, collaboration, and stewardship with Indigenous communities in our shared goal of reconciliation and environmental sustainability.