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Added 54 mins ago
AI
Senior Level 3 AI Engineer – Copilot, ChatGPT, Grok, Claude & Gemini
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Montreal, QC
- Full-time
We are seeking a Senior Level 3 AI Engineer to act as the first point of call for engineering issues across end user AI products - Microsoft Copilot, OpenAI ChatGPT, Anthropic Claude, Grok…
Added 1 hour ago
B
Senior Databricks Data Platform Engineer
Brillio
Canada
- Contract
As a Senior Databricks Data Platform Engineer, you will own the engineering, automation, and day-to-day health of our enterprise Databricks Lakehouse platform. This is a platform-first…
Added 1 hour ago
MC
Technical Consultant III (35732)
Myticas Consulting
Toronto, ON
- Full-time
Technical Consultant III (Software Engineer, Senior/Lead)
Added 1 hour ago
V
Architect
Virtusa
Toronto, ON
- Full-time
Job Summary: We are seeking a Senior QA Automation Engineer who plays a critical role in upholding the quality standards of our software delivery lifecycle. This position is responsible for…
Added 1 hour ago
TI
Senior Databricks Data Platform Engineer
Tekgence Inc
Canada
- Contract
We are looking for a Senior Databricks Data Platform Engineer with strong experience in Databricks platform administration, Unity Catalog, Terraform, and CI/CD automation. The candidate…
Added 1 hour ago
M365 Architect
EY
Toronto, ON
PowerShell Scripting: Proficiency in PowerShell is beneficial for a M365 engineer role. This is because a lot of tasks related to user management, reporting, and automation within the M365…
Added 2 hours ago
C
Senior Advisor, Product Line Management, Maintenance & Managed Services
Ciena
Canada
- Full-time
Serve as the expert portfolio advisor for complex maintenance, managed-service and resident-engineer opportunities.
Added 2 hours ago
TS
Building Automation Systems (BAS) Engineer/Technician
TalentSphere Staffing Solutions
Toronto, ON
- Full-time
Industry: Building Automation | HVAC | Controls | Building Systems
Added 2 hours ago
FR
Junior Building Operator - 5th Class
FirstService Residential Canada
Calgary, AB
- Part-time
The Part-Time 5th Class Building Operator supports the Senior Building Operator two days per week with the day-to-day operation, inspection, preventative maintenance and upkeep of the…
Added 3 hours ago
RV
Principal FPGA & Hardware Developer
Ross Video
Ottawa, ON · Nepean, ON
- Full-time
…Principal-level ownership is preferred, while strong Mid- and Senior-level candidates are…
Added 3 hours ago
AI
Principal Consultant – AWS Data Platforms & Agentic AI
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
This is a senior, hands-on technology leadership role requiring a rare combination of AWS Data architecture, Agentic AI expertise, engineering depth and executive presence.
Added 3 hours ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL
Added 3 hours ago
MC
Senior Cybersecurity Test Engineer (35651)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking a Senior Cybersecurity Test Engineer to lead and execute security testing activities across applications, infrastructure, cloud environments, APIs, and system integrations.…
Added 3 hours ago
MC
Network Engineer (35135)
Myticas Consulting
Ottawa, ON
- Full-time
We are looking for an experienced Network Service Engineer with strong expertise in customer network service configuration to support the design, implementation, and optimization of network…
Added 3 hours ago
VS
Senior Machine Learning Engineer
vTech Solution Canada
Toronto, ON
- Contract
The Senior Machine Learning Engineer will deploy, integrate, monitor, and operationalize AI and machine-learning solutions using modern MLOps practices. The role will establish reusable…
Added 3 hours ago
Senior Quality Engineer (ETL testing)
Scotiabank
Toronto, ON
We are looking for a Senior Quality Engineer to join our Quality Engineering team. This person will be responsible for ETL testing, data validation, source-to-target reconciliation, data…
Added 3 hours ago
AW
Senior Quality Assurance Automation Engineer
Agilus Work Solutions
Toronto, ON
- $55 to $60 CAD / hour
- Contract
🚨 We're Hiring: Senior QA Automation Analyst / QE Lead
Added 3 hours ago
C
Staff Security Engineer - Calix Cloud
Calix
Canada
- Full-time
We’re looking for a Staff Security Engineer to define and strengthen the trust architecture connecting our devices, customers, and cloud platform. In this highly influential, hands-on role,…
Added 3 hours ago
A
Ingénieur principal ou ingénieure principale / responsable technique
Alithya
Pickering, ON
- Full-time
As a Senior Engineer and Technical Lead, you'll join our Engineering Sub-Division, a multidisciplinary team focused on delivering innovative engineering solutions and professional services.…
Added 3 hours ago
C
Senior Identity Security Engineer
CPKC
Calgary, AB
- Full-time
…including the development of custom connectors, scripts, APIs, and automation…
Added 3 hours ago
T
Senior AI Developer / Generative AI Engineer
ThoughtStorm
Toronto, ON
- Contract
Proven experience designing and developing AI Agents, intelligent automation solutions, reusable AI components, APIs, and AI-powered enterprise applications.
Added 4 hours ago
IT Support Engineer III
SHEIN
Canada
We are seeking a passionate and experienced Enterprise IT Engineer III to lead innovative, technology-driven initiatives across IT Foundation Services. This role will be instrumental in…
Added 4 hours ago
Senior Developer
Scotiabank
Toronto, ON
The Product Onboarding team is seeking a hands-on Senior Engineer to design and deliver modern, cloud-native onboarding applications using JavaScript, TypeScript, MongoDB, Express.js,…
Added 5 hours ago
J
Senior Forward Deployed Engineer
Justworks
Toronto, ON
- $167,500 to $235,000 CAD / year
As a Forward Deployed Engineer, you will work closely with business leaders, operators, and frontline teams to identify where AI can make the biggest impact, redesign organizational…
Added 5 hours ago
TB
Senior DevOps Engineer (SRE / Platform Engineering)
TLNT Bridge Recruiting
Vancouver, BC
- Full-time
They are continuing to invest in their infrastructure and platform capabilities and are looking for a talented Senior DevOps Engineer with a strong Site Reliability Engineering (SRE)…

Calix

Staff Security Engineer - Calix Cloud

Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Nov 4, 2026

Original job description

The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One  - our cloud-first, AI-powered platform - CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve.

We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences.

Calix is where passionate innovators come together with a shared mission: to reimagine broadband experiences and empower communities like never before. As a true pioneer in broadband technology, we ignite transformation by equipping service providers of all sizes with an unrivaled platform, state-of-the-art cloud technologies, and AI-driven solutions that redefine what’s possible. Every tool and breakthrough we offer is designed to simplify operations and unlock extraordinary subscriber experiences through innovation.

We’re looking for a Staff Security Engineer to define and strengthen the trust architecture connecting our devices, customers, and cloud platform. In this highly influential, hands-on role, you’ll serve as a senior technical authority across device identity, PKI, cloud and workload identity, secure device-to-cloud communications, and embedded security. You’ll partner across device, network, mobile, and cloud engineering teams to design resilient security architecture, pressure-test it through threat modeling and offensive testing, and drive solutions from design through production.

What You'll Do

Design and run our PKI on GCP: offline root, HSM-backed issuing CAs in Certificate Authority Service, certificate profiles, and key ceremonies.
Define device identity: unique keys in a secure element or TPM, factory provisioning, field enrollment (for example EST), rotation, revocation, and a tested plan for CA key compromise.
Architect workforce, workload and customer identity: SSO and Workforce Identity Federation, Workload Identity Federation instead of service account keys, and OAuth 2.0 and OIDC flows for apps and devices.
Secure the path from device to cloud: mutual TLS, per-device authorization, and protection against replay, cloned devices and fleet-wide denial of service.
Own security of the ingestion layer on GCP (self-operated MQTT brokers and gateways on GKE feeding Pub/Sub, Dataflow and BigQuery), since Cloud IoT Core was retired in 2023.
Secure remote commands and over-the-air updates so a compromised cloud account cannot push malicious firmware to the fleet.
Set on-device requirements: secure boot, signed and rollback-protected firmware, encrypted storage, locked debug ports, and a hardened OS image.
Test devices hands-on: firmware analysis, hardware and local-interface attacks (Bluetooth, Wi-Fi, USB, serial), and protocol fuzzing; secure the companion mobile apps.
Govern the firmware supply chain: SBOMs, vulnerability management, signing-key custody, and manufacturer and silicon-vendor assessments.
Build threat models for the full device, app, gateway and cloud system (STRIDE, attack trees, MITRE ATT&CK), and run pentests, red-team and purple-team exercises.
Set GCP guardrails: organization policy, VPC Service Controls, IAM, Cloud KMS, GKE hardening, Binary Authorization, and secure CI/CD and data pipelines (BigQuery, Dataflow, Datastream, Kafka).
Map controls to ISO 27001, SOC 2, NIST CSF, CIS Controls, ETSI EN 303 645, NIST IR 8259, GSMA baseline controls and FCC CPNI rules.
Be the escalation point for hard security decisions and incidents, mentor senior engineers, and brief executives.

Required Qualifications

BS or MS in computer science, information security or cryptography, or equivalent experience.
10+ years in security engineering, with deep ownership of at least two of: PKI, identity and access, device security, or cloud security architecture.
PKI depth: X.509 profiles, CA hierarchy design, HSM and key management, certificate lifecycle automation, revocation at scale, and protocols such as EST, SCEP and ACME. Experience with GCP Certificate Authority Service or a comparable managed CA.
Identity depth: OAuth 2.0, OIDC, SAML, SSO and federation; running or integrating an enterprise IdP; designing token and session security for apps and devices.
Strong GCP security experience: IAM, Workload Identity Federation, Cloud KMS, VPC Service Controls, GKE and container security, Security Command Center, and securing data pipelines (BigQuery, Dataflow, Datastream, Kafka).
Applied knowledge of secure device-to-cloud communication: mutual TLS, MQTT and gRPC security, broker and gateway hardening, and OTA update integrity.
Hands-on device and embedded security skills: secure boot, TPM or secure element use, firmware analysis, hardware debug interfaces, and mobile app security on Android and iOS.
Hands-on offensive skills and the ability to threat-model a full device-to-cloud system; you write tooling in Python, Go or similar.
Experience with CI/CD and DevSecOps security, and with ISO 27001, SOC 2, NIST CSF and CIS Controls.
A record of influencing architecture across multiple teams, with clear writing and briefing skills.

Why Join Us?

Be part of a team driving AI innovation in telecom and cloud solutions.
Opportunity to work on cutting-edge projects impacting millions of users.
Collaborative culture with continuous learning and growth.
Competitive Benefits and Vacation package.

The base pay range for this position varies based on the geographic location. More information about the pay range specific to candidate location and other factors will be shared during the recruitment process. Individual pay is determined based on location of residence and multiple factors, including job-related knowledge, skills and experience.

San Francisco Bay Area

156,400 - 265,700 USD Annual

All Other US Locations:

136,000 - 231,000 USD Annual

As a part of the total compensation package, this role may be eligible for a bonus. For information on our benefits click here.

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More about this job

Responsibilities

Design and operate security architecture spanning PKI, device and workload identity, secure device-to-cloud communications, embedded devices, and GCP infrastructure. Lead threat modeling and offensive testing, secure firmware and data pipelines, establish compliance controls, and advise teams and executives on security decisions and incidents.

Requirements

Requires 10+ years of security engineering experience and deep ownership in at least two areas among PKI, identity and access, device security, and cloud security architecture. Candidates should bring strong GCP, identity, embedded and offensive security expertise, experience with security frameworks and DevSecOps, and the ability to influence architecture across teams; a bachelor's or master's degree in a relevant field or equivalent experience is required.

Skills

Public Key Infrastructure
Identity and Access Management
Google Cloud Platform Security
Device and Embedded Security
Cloud Security Architecture
OAuth 2.0 and OpenID Connect
Mutual TLS
Threat Modeling
Penetration Testing
Firmware Security
Secure Boot
Mobile Application Security
DevSecOps
Python or Go
Security Architecture Leadership

Benefits

Competitive Benefits
Vacation Package
Bonus Eligibility

Visa sponsorship

Not detected in the job text

Keywords

Google Cloud Platform
Public Key Infrastructure
X.509
Certificate Authority Service
Hardware Security Module
OAuth 2.0
OpenID Connect
SAML
Workforce Identity Federation
Workload Identity Federation
Cloud KMS
VPC Service Controls
Google Kubernetes Engine
Mutual TLS
MQTT
gRPC
Secure Boot
Trusted Platform Module
Secure Element
Over-The-Air Updates
Firmware Analysis
Software Bill of Materials
STRIDE
MITRE ATT&CK
Binary Authorization
BigQuery
Dataflow
Datastream
Kafka
ISO 27001

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