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Added 1 hour ago
L
Senior Forward Deployment Engineer
Luxoft
Mississauga, ON
- Full-time
…vulnerability remediation, automated testing, legacy technology, production stability, or achieving a safe and rapid release…
Added 1 hour ago
AM
Electrical Design Engineer
AVL Manufacturing Inc.
Hamilton, ON
- Full-time
…deliver fully integrated power-generation and energy-storage…
Added 1 hour ago
CE
Staff Discipline Facilities Engineer (ICE)
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- Full-time
…system equipment into Cenovus's existing industrial automation systems and infrastructure and delivers these changes through the Management of Change (MOC) process. The ICE engineer will…
Added 1 hour ago
JE
Manufacturing Engineer
JDRF Electromag Engineering Inc.
Mississauga, ON
- $75,000 to $125,000 CAD / year
- Full-time
We are seeking a motivated and detail-oriented Manufacturing Engineer to support and improve the manufacturing of our hardware products.
Added 1 hour ago
JE
Manufacturing Engineer
JDRF Electromag Engineering Inc.
Mississauga, ON
- Full-time
We are seeking a motivated and detail-oriented Manufacturing Engineer to support and improve the manufacturing of our hardware products.
Added 1 hour ago
C
Structural Engineer
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Calgary, AB
- Full-time
…projects, from feasibility studies to commissioning. From the production of electricity from renewable sources to resource transformation, our expertise markets are the driving force of a…
Added 1 hour ago
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Cloud Security Engineer
Paymentus
Richmond Hill, ON
- Full-time
The Cloud Security Engineer is responsible for helping secure the cloud-native infrastructure, platforms, services, and deployment patterns that support the Paymentus SaaS platform. This…
Added 1 hour ago
C
Structural Engineer
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- Full-time
…projects, from feasibility studies to commissioning. From the production of electricity from renewable sources to resource transformation, our expertise markets are the driving force of a…
Added 3 hours ago
GI
Millwork Engineer / CNC Programmer
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- Full-time
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Added 3 hours ago
Machine Learning Engineer, Associate Director
Fitch Group
Toronto, ON
Fitch Ratings is seeking a Machine Learning Engineer to join our new AI Innovation teams in Toronto - a bold initiative building the AI-powered future of financial analysis. We're not…
Added 3 hours ago
GD
Mechanical Engineering Developer
General Dynamics Missions System International
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- Full-time
We're looking for a Mechanical Engineer to support the development of mechanical designs and engineering systems across various products and programs within the organization.
Added 3 hours ago
GD
Senior Project Engineer - Systems Engineer
General Dynamics Missions System International
Ottawa, ON
- Full-time
…engineers toward success? We are currently looking for a Project Engineer with technical leadership skills to play a driving force behind the introduction of new cutting-edge projects.…
Added 4 hours ago
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Junior Hardware Engineering Developer
General Dynamics Missions System International
Ottawa, ON
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 4 hours ago
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Principal Software Engineer
Photon-IV
Canada
- Full-time
Principal Software Engineer, Satellite Systems
Added 4 hours ago
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ROV Technical Support Representative
Deep Trekker Inc.
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- Full-time
Work cross-functionally with technicians, engineers, and production teams to resolve complex support challenges.
Added 4 hours ago
Senior Software Engineer, International
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Toronto, ON
As a Senior Full Stack Software Engineer, you will be a core technical driver for Robinhood’s global expansion initiatives. You will bridge high-performance frontend interfaces with…
Added 5 hours ago
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Devops Engineer
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Waterloo, ON
- Full-time
…intelligence, cryptographic agility, hardware security, and distributed systems, with active engagements across Canadian defence, NATO, and allied partner…
Added 5 hours ago
TG
Intermediate Draftsperson - Toro
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Concord, ON
- Full-time
Review and implement architectural revisions, ASIs, SKs, and engineer/client comments accurately and in a timely manner.
Added 7 hours ago
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Full Stack Software Engineer
Qorsa
Waterloo, ON
- Full-time
…intelligence, cryptographic agility, hardware security, and distributed systems, with active engagements across Canadian defence, NATO, and allied partner…
Added 7 hours ago
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Cryptography Engineer
Qorsa
Waterloo, ON
- Full-time
We are hiring a Cryptography Engineer to work on the cryptography at the core of CasQade, our crypto-agile TLS and PKI platform, and on related products including our hardware program. You…
Added 7 hours ago
O
ASIC Engineer
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Added 8 hours ago
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Added 8 hours ago
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- Full-time
We are looking for a hands-on BI Platform Operations Engineer to provide production operational support, administration, maintenance, and technical troubleshooting for our enterprise…
Added 8 hours ago
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Junior Electrical Technician
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Montreal, QC
- $63,000 to $68,000 CAD / year
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…leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space…
Added 8 hours ago
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Staff Software Developer (Pre-ID Relo)
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Qorsa

Cryptography Engineer

Waterloo, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Apr 11, 2027
Posting language: English
Posted: Oct 12, 2026

Original job description

About Qorsa

Qorsa is a Canadian post-quantum cryptography and cybersecurity company building CasQade - a crypto-agile security platform protecting sovereign government, defence, financial, and critical-infrastructure networks against current and emerging cryptographic threats. We are headquartered in Waterloo, Ontario, with a European subsidiary in The Hague, Netherlands. Our work spans post-quantum cryptography, explainable AI, AI-driven threat intelligence, cryptographic agility, hardware security, and distributed systems, with active engagements across Canadian defence, NATO, and allied partner organizations.

The Role

We are hiring a Cryptography Engineer to work on the cryptography at the core of CasQade, our crypto-agile TLS and PKI platform, and on related products including our hardware program. You will decide which algorithms and parameters we ship, implement them correctly, and make it possible for customers to move entire fleets to new algorithms without taking systems offline.

Most of the code is Go. You will work closely with the engineers building our certificate authority and TLS proxy, and with our hardware team on the interface between software and silicon.

This is frontier work. Post-quantum standards are still settling, and much of the value you bring will be judgement: knowing when a draft is stable enough to build on, and how to ship cryptography that stays correct as the algorithms underneath it change.

Responsibilities

Implement post-quantum and hybrid algorithms (ML-KEM, ML-DSA) in our TLS stack and certificate authority
Design how hosts negotiate, switch and retire algorithms across a fleet, and how those changes are signed and distributed
Maintain the crypto provider interface that lets the platform use software implementations or hardware-backed keys in HSMs and PKCS#11 tokens
Define certificate profiles and key hierarchies for post-quantum and hybrid agile PKI
Review cryptographic code across the product for correctness, constant-time behaviour and misuse of primitives
Write test vectors, fuzz targets and interoperability tests against other TLS and PKI implementations
Follow IETF and NIST standards work and decide when a draft is stable enough to implement
Support FIPS 140-3 and Common Criteria preparation where our products need validation

What We’re Looking For

Experience implementing cryptography in production software
A good understanding of TLS 1.3, X.509 certificate validation and public-key cryptography
Working knowledge of current issues in post-quantum cryptography
Comfort working in Go, Rust, C or similar languages
Excellent communication skills and genuine comfort working across disciplines, with software, hardware and security engineers
Eligibility for Government of Canada security clearance (Secret level)

Strong Assets

Proficiency implementing directly from RFCs and NIST specifications
Contributions to an open-source cryptography or TLS library
Experience with HSMs, PKCS#11, or cryptography on embedded or custom hardware
Experience writing constant-time code and reasoning about side channels
Experience taking a product through FIPS 140-3 or Common Criteria validation

Compensation

We compensate exceptionally well - a strong base salary plus meaningful stock options in a rapidly growing company.

Benefits

Dental care
Extended health care
Vision care
On-site parking

Work Location: In person, Waterloo, Ontario.

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More about this job

Responsibilities

Implement and review post-quantum and hybrid cryptography for the TLS stack and certificate authority, including algorithm negotiation, fleet-wide transitions, certificate profiles, and software or hardware-backed key support. Develop test vectors and interoperability tests, track standards, and support product preparation for FIPS 140-3 and Common Criteria validation.

Requirements

Candidates need production cryptography implementation experience, a solid understanding of TLS 1.3, X.509 certificate validation, and public-key cryptography, plus working knowledge of post-quantum cryptography and a language such as Go, Rust, or C. Government of Canada Secret-level security clearance eligibility and strong communication across software, hardware, and security disciplines are also required.

Skills

Cryptography Implementation
Post-Quantum Cryptography
TLS 1.3
X.509 Certificate Validation
Public-Key Cryptography
Go
Rust
C
Constant-Time Programming
Side-Channel Analysis
PKI
HSMs
PKCS#11
Fuzz Testing
Interoperability Testing
Cryptographic Standards Analysis

Benefits

Dental Care
Extended Health Care
Vision Care
On-Site Parking
Stock Options

Visa sponsorship

Not detected in the job text

Keywords

Post-Quantum Cryptography
ML-KEM
ML-DSA
TLS 1.3
X.509
PKI
Cryptographic Agility
Go
Rust
C
HSM
PKCS#11
Constant-Time Behavior
Side-Channel Security
Fuzz Testing
Test Vectors
Interoperability Testing
IETF
NIST
FIPS 140-3
Common Criteria
Certificate Authority
TLS Proxy
Hardware Security
Distributed Systems
Government of Canada Security Clearance
Secret-Level Clearance
Hybrid Cryptography

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