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Added 7 hours ago
LD
Intermediate Software Engineer
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Reporting directly to the Manager, Software Engineering the lntermediate Software Engineer will be required to operate in both team and solo activities. Key activities will involve…
Added 7 hours ago
CE
Staff Discipline Facilities Engineer (ICE)
Cenovus Energy
Calgary, AB
- Full-time
Reporting to the Senior Manager, Discipline Facilities Engineering, the Staff Discipline Facilities Engineer (ICE) provides specialized instrumentation, controls and electrical engineering…
Added 7 hours ago
C
Structural Engineer
CIMA+
Calgary, AB
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 7 hours ago
HS
Mechanical Field Engineer / Construction
HUB Services inc.
ON · Ontario, Canada
- Full-time
…small to medium-scale projects ranging from engineering to design and prototype development. Thanks to a broad network of strategic contacts, HUB Services Inc. acts as a hub of expertise…
Added 7 hours ago
C
Structural Engineer
CIMA+
Calgary, AB
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 9 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 9 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 9 hours ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 9 hours ago
B
Senior Software Engineer
Bombardier
Toronto, ON
- Full-time
Role Description The Senior Software Engineer is a full-time, on-site role based in Toronto, ON. This position is responsible for designing, developing, and maintaining software solutions…
Added 10 hours ago
LT
Senior Hardware Engineer
LMI Technologies
Burnaby, BC
- $108,000 to $153,000 CAD / year
- Full-time
LMI is seeking a talented Senior Hardware (FPGA) engineer to join a multi-disciplinary engineering team. The successful candidate will have a proven record in developing complex FPGA code…
Added 10 hours ago
GD
Software Engineer
General Dynamics Missions System International
Ottawa, ON
- $85,000 to $110,000 CAD / year
- Full-time
…we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the…
Added 10 hours ago
D
Senior C++ Engineer
DuckDuckGo
Remote, Canada
- $178,500 USD / year
- Full-time
- Remote
Implement tracker blocking that stops hidden trackers on every site without slowing page loads.
Added 11 hours ago
EI
Field Service Engineer
Ecolab Inc.
Calgary, AB
- Full-time
The Field Service Engineer supports customers globally and reports to the Manager, Field Service Operations. The Field Service Engineer is responsible for aspects of deployments,…
Added 11 hours ago
TG
Intermediate Draftsperson - Toro
Toro Group of Companies
Concord, ON
- Full-time
Review and implement architectural revisions, ASIs, SKs, and engineer/client comments accurately and in a timely manner.
Added 13 hours ago
Q
Full Stack Software Engineer
Qorsa
Waterloo, ON
- Full-time
We are hiring a Full Stack Software Engineer to build the operator side of CasQade, our crypto-agile TLS and PKI platform. Customers use our dashboard to enroll hosts, watch certificate and…
Added 13 hours ago
Q
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 13 hours ago
AC
Forensic Fire Engineer – Electrical
Aviva Canada
Oakville, ON
- Full-time
Are you a passionate engineer eager to make a meaningful impact on a bigger scale? Aviva is thrilled to announce a new innovative role that offers an unparalleled opportunity to shape the…
Added 13 hours ago
AC
Forensic Fire Engineer – Electrical
Aviva Canada
Markham, ON
- Full-time
Are you a passionate engineer eager to make a meaningful impact on a bigger scale? Aviva is thrilled to announce a new innovative role that offers an unparalleled opportunity to shape the…
Added 13 hours ago
LS
Project Engineer
Lauren Services
Vancouver, BC
- Contract
The Project Engineer is responsible for overseeing and contributing to industrial design, technical analysis, and the resolution of engineering problems on projects. The incumbent will…
Added 14 hours ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 14 hours ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 14 hours ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
…fitness and wellness center, intramural sports activities, on-site cafeteria, and clean, state-of-the-art manufacturing facilities with outstanding safety records. We offer a great work…
Added 14 hours ago
SI
IT Architect, Infrastructure – IT/OT Integration
Saputo Inc.
Mississauga, ON
- Full-time
…Integration who is hands-on technical leader responsible for the design, implementation, and optimisation of enterprise network, cloud, and SaaS connectivity solutions. The role combines…
Added 14 hours ago
GC
Engineer, MechanicalNew
Glencore Canada
Sparwood, BC
- $108,000 to $145,000 CAD / year
- Full-time
Reporting to the Senior Engineer Supervisor, the Engineer, Mechanical, Water Operations, is focused on design, troubleshooting and optimization of water treatment facilities in the Elk…
Added 14 hours ago
KG
Solid Waste Engineer
KGS Group
Winnipeg, MB · Greater Winnipeg Metropolitan Area
- Full-time
The Senior Solid Waste Engineer will have a key role In developing and delivering solid waste projects from the proposal stage through design, construction and final delivery. You will work…

Qorsa

Cryptography Engineer

Waterloo, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

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.

Apply About employer

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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