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Added 9 mins ago
T
Engineer I
TD
Mississauga, ON · Toronto, ON
- Full-time
About This Role: We are looking for a Cybersecurity engineer with admin level knowledge and experience working on enterprise Security Information and Event management (SIEM) tools. Although…
Added 9 mins ago
C
Senior Software Engineer, Search
Clio
Calgary, AB · Vancouver, BC · Toronto, ON
- Full-time
…is for someone who is passionate about building innovative solutions and being exposed to new challenges and technologies while making an…
Added 24 mins ago
T
Engineer I
TD
Toronto, ON
- Full-time
About This Role: We are looking for a Cybersecurity engineer with admin level knowledge and experience working on enterprise Security Information and Event management (SIEM) tools. Although…
Added 24 mins ago
LC
Staff Data Engineer - Retail Media Platform
Loblaw Companies Limited
Toronto, ON
- Full-time
As a Staff Data Engineer on the Retail Media Platform team, you will lead the design and evolution of large-scale data platforms and backend systems supporting measurement, reporting,…
Added 39 mins ago
RV
Principal FPGA & Hardware Developer
Ross Video
Ottawa, ON · Nepean, ON
- Full-time
Join the Hyperconverged Solutions R&D team to develop FPGA, SoC, and high-speed hardware for professional live-video platforms. We are seeking a hands-on developer who can work across board…
Added 39 mins 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
You are neither a strategy-only Enterprise Architect nor solely a delivery-focused Data Engineer.
Added 53 mins 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 53 mins ago
SC
BIM Modeller – Electrical
SYSTRA Canada
Toronto, ON
- $65,000 to $85,000 CAD / year
- Full-time
…consulting firm whose primary focus is to offer transportation solutions, whether for passengers or goods: feasibility studies of building a new railway line, increasing the capacity of the…
Added 53 mins ago
FC
Principal Process Engineer - Power Projects
Fluor Corporation
Calgary, AB
- Full-time
…on innovation and providing cost-effective technology-based solutions is second to none. As we look to the future, we need creative, ambitious, and innovative professionals who can help us…
Added 53 mins ago
HA
Intern Bachelors AI
Honeywell Aerospace
Ottawa, ON · Kanata, ON
- Full-time
…Software Development Team as an Artificial Intelligence (A.I.) Engineer Intern. In this role, the primary responsibility will be to Identify or assess, then implement A.I. pursuits that…
Added 1 hour ago
A
Information Technology - Senior/Lead, Data Visualization Engineer, Product Business Technology
Aritzia
Vancouver, BC
- Full-time
…designing, implementing, and continuously improving technology, data, analytics, and AI solutions in support of our Planning, Buying, Allocation and Pricing workflows. As the Senior Lead…
Added 1 hour ago
Applications Engineer
SiTime Corporation
Ottawa, ON
Our semiconductor MEMS programmable solutions offer a rich feature set that enables customers to differentiate their products with higher performance, smaller size, lower power, and better…
Added 1 hour ago
D
Software Engineer Internship - Winter 2027
DataVisor
Remote, Canada
- $40,000 to $50,000 CAD / year
- Full-time
- Remote
…platform that supports easy consolidation and enrichment of any data, DataVisor's solution scales infinitely and enables organizations to act on fast-evolving fraud and money laundering…
Added 1 hour 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 1 hour ago
T
Senior AI Developer / Generative AI Engineer
ThoughtStorm
Toronto, ON
- Contract
Experience developing and integrating REST APIs, enterprise applications, data platforms, and automated business workflows using AI-powered solutions.
Added 1 hour ago
Z
Software Developer 1
Zynga
Toronto, ON
- $73,900 to $109,360 CAD / year
Zynga is seeking a talented and motivated junior engineer to join the Ad Tech team. Your team will be delivering the technology that generates $300M ads revenue which is 20% of Zynga’s…
Added 1 hour ago
Data Engineer - Snowflake, dbtCore/Cloud, AWS
Aviva
Markham, ON
Aviva Canada is looking for a Data Engineer to support our enterprise data modernization journey. You’ll use your expertise across modern and legacy platforms to build robust data pipelines…
Added 2 hours ago
Staff Manufacturing Engineer
Tenstorrent
Toronto, ON
…cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse…
Added 2 hours ago
J
Senior Forward Deployed Engineer
Justworks
Toronto, ON
- $167,500 to $235,000 CAD / year
…focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in…
Added 2 hours ago
P
Senior Associate SIEM Implementation
PwC
Calgary, AB · Vancouver, BC · Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
…vulnerabilities, develop secure systems, and provide proactive solutions to safeguard sensitive…
Added 2 hours ago
B
Customer Success Manager - Canada
Buildots
Toronto, ON
- Full-time
…BIM against site reality, its advanced AI transforms granular data into insights that unlock operational…
Added 2 hours ago
H
Senior WMS Implementation Engineer
Hays
Canada
- $95 to $100 CAD / hour
- Contract
Reporting to the Director, Data Science, as a Senior Data Scientist a successful candidate will focus on supporting Canadian business units in accelerating the growth and application of…
Added 2 hours ago
QI
Automation Control Engineer
Quickmill Inc
Peterborough, ON
- Full-time
…equipment, nuclear, and oil and gas. We take pride in our ability to engineer custom solutions that enhance production efficiency and reliability. At Quickmill, we foster a collaborative…
Added 2 hours ago
A
Information Technology - Senior/Lead, Data Visualization Engineer, Product Business Technology
Aritzia
Vancouver, BC
- Full-time
…designing, implementing, and continuously improving technology, data, analytics, and AI solutions in support of our Planning, Buying, Allocation and Pricing workflows. As the Senior Lead…
Added 2 hours ago
GT
Sr QA Engineer (POS)
GSPANN Technologies, Inc
Vancouver, BC
- Contract
Senior QA Engineer with experience across our in-store Point-of-Sale (POS) and mobility stack, including Oracle Xstore and Xmobile, to support application architecture, development and…

Calix

Staff Security Engineer - Calix Cloud

Canada

Full-time

Apply About employer

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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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