Jobs in Canada

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Added 1 min ago
WI
Senior Environmental Engineer / Geoscientist
WSP in Canada
Barrie, ON
- Full-time
If you’re a leader motivated by complex challenges, meaningful collaboration, and the opportunity to shape responsible development in Northern Ontario, this role offers a chance to make a…
Added 1 min ago
DA
Sales Engineer
DART Aerospace
Kirkland, QC
- Full-time
DART Aerospace is a global leader in the design and manufacture of mission-critical equipment and certified solutions for the helicopter and aerospace industry.
Added 1 min ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
Calgary, AB
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 1 min ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
Winnipeg, MB
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 1 min ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
Regina, SK
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 1 min ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
SK · Saskatchewan, Canada
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 1 min ago
MS
Senior Engineer II, Proxy
Menlo Security
Remote, Canada
- Full-time
- Remote
We're hiring a senior engineer to join the team that owns the ingress proxy service. The proxy is the primary path into the product for most users. As AI adoption grows, our customers want…
Added 46 mins ago
EN
Principal Wireless SW Engineer
Extreme Networks
Toronto, ON
- Full-time
Become part of Something big with Extreme! As a global networking leader, learn why there’s no better time to join the Extreme team.
Added 1 hour ago
V|
Ingénieur(e) de projets / Project Engineer
Veolia | North America
Montreal, QC
- Full-time
Veolia Group est un leader mondial des services environnementaux, opérant sur les cinq continents avec près de 218 000 employés. Spécialisé dans la gestion de l'eau, de l'énergie et des…
Added 1 hour ago
K(
Head of Product
Klarify (YC P26)
Canada
- Full-time
You'd join Moody (CEO), Bergie (CTO) and Zach (founding engineer) as our first product leader. You'll own product strategy and work directly with the CEO on where the product goes next.…
Added 1 hour ago
M
Flight Control Systems Engineer
MANNARINO
Montreal, QC
- Full-time
MANNARINO Systems & Software Inc. is a leader in providing safety-critical systems, software, hardware and certification engineering services to the aerospace, defense, space, simulation &…
Added 1 hour ago
A
Electrical Engineer
Actalent
Toronto, ON
- $52 to $72 CAD / hour
- Full-time
Job Title: Lead Electrical Engineer - Renewable Energy Projects
Added 1 hour ago
A
Electronics Engineer
Actalent
Oakville, ON
- $40 to $50 CAD / hour
- Contract
We are seeking a hands-on Electronics Engineer to support the testing, troubleshooting, and development of electronic hardware and devices. In this role, you will work closely with a…
Added 1 hour ago
A
Technical Documentation & BOM Specialist
Actalent
Ottawa, ON
- $30 to $50 CAD / hour
- Contract
…focused on next-generation high-speed networking technology. The engineer will be responsible for inspecting, documenting, and managing components in test stations, ensuring accurate bills…
Added 2 hours ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
Saskatoon, SK
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 2 hours ago
WI
Director, Geotechnical Engineering Prairies & North
WSP in Canada
AB · Edmonton, AB
- Full-time
…have the opportunity to build on the strength of our existing team, develop our people, expand our capabilities, and influence how we grow and serve our clients across the region. You will…
Added 2 hours ago
MS
Senior Engineer II, Proxy
Menlo Security Inc.
Canada
- Full-time
We're hiring a senior engineer to join the team that owns the ingress proxy service. The proxy is the primary path into the product for most users. As AI adoption grows, our customers want…
Added 3 hours ago
ES
Opérateur(trice) - Centre d'opération à distance / Operator - Remote Operations Center
Equans Services Canada & US
Montreal, QC
- Full-time
The Equans group is a world leader in the energy and services industry. The Group operates in 20 countries, with 90,000 employees working on 5 continents. Equans is a Bouygues group company.
Added 3 hours ago
WI
Lead Mechanical Engineer, Mission Critical Buildings
WSP in Canada
Calgary, AB
- Full-time
…computing across Alberta and Western Canada. As a technical leader and Engineer of Record, you will guide multidisciplinary teams and clients through complex data center projects, advancing…
Added 3 hours ago
WI
Lead Mechanical Engineer, Mission Critical Buildings
WSP in Canada
AB · Edmonton, AB
- Full-time
…computing across Alberta and Western Canada. As a technical leader and Engineer of Record, you will guide multidisciplinary teams and clients through complex data center projects, advancing…
Added 3 hours ago
WI
Lead Electrical Engineer, Mission Critical Buildings
WSP in Canada
AB · Edmonton, AB
- Full-time
Join our Mission Critical & Data Centers team as a Lead Electrical Engineer and help shape the future of digital infrastructure across Alberta and Western Canada. This is an opportunity to…
Added 3 hours ago
WI
Lead Electrical Engineer, Mission Critical Buildings
WSP in Canada
Calgary, AB
- Full-time
Join our Mission Critical & Data Centers team as a Lead Electrical Engineer and help shape the future of digital infrastructure across Alberta and Western Canada. This is an opportunity to…
Added 3 hours ago
W
Mechanical Engineer Level I
Worley
Calgary, AB · Edmonton, AB
- Full-time
We are currently seeking a Senior Metallurgical Engineer to join our Canada West Engineering team in either Calgary, Alberta or Edmonton, Alberta. This role is a senior technical authority…
Added 3 hours ago
TR
Energy Operations & Assets, Lead
Teck Resources Limited
Trail, BC
- $120,000 to $145,000 CAD / year
- Full-time
Teck is looking for an experienced Energy Operations & Assets Lead to join our team at Trail Operations, one of the world's largest fully integrated zinc and lead smelting and refining…
Added 4 hours ago
SC
OCS Specialist/ Engineer (Overhead Catenary System)
SYSTRA Canada
Toronto, ON
- Full-time
SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and…

Menlo Security Inc.

Senior Engineer II, Proxy

Canada

Full-time

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Job details

Job type: Full-time
Experience: 5+ years of experience building and operating production systems
Posting language: English
Posted: Oct 30, 2026

Original job description

Menlo Security is the leader in Browser Security for human and agentic workforces. Our mission is to enable humans and agents to connect, communicate, and collaborate securely, without compromise. The Menlo Browser Security Platform protects organizations from cyberattacks by stopping threats across the web, documents, and email before they reach the user. With Menlo Agent Runtime Security (MARS), that protection now extends to the AI agents working alongside every employee. Menlo Security is trusted by major global businesses, including Fortune 500 companies and government agencies, to protect their most valuable asset, their data, and is backed by top-tier investors.

We're hiring a senior engineer to join the team that owns the ingress proxy service. The proxy is the primary path into the product for most users. As AI adoption grows, our customers want one set of controls for both people and agents. The ingress proxy is where those controls start, and you'll help extend it to cover agent traffic. Your decisions here directly affect security, performance. You'll join a small team that values autonomy and ships with little process overhead. You'll own features from design to production, and you'll help shape how the system evolves.

What We're Looking For

Strong Systems Programming Background: Solid hands-on experience building and maintaining production systems in Rust or Go, with a preference for languages that offer strong safety guarantees in critical applications.

Passion for the Craft: You care about building software the right way. Correctness, scalability, and maintainability matter to you beyond just getting a feature out the door.

Focus on Performance Optimization: Demonstrated ability to optimize for latency and throughput in networked applications, using profiling tools and efficient concurrency models to handle demanding workloads.

Security-Oriented Engineering Practices: Strong background in implementing secure systems, with a proactive approach to threat modeling, vulnerability mitigation, and ensuring data integrity in distributed environments.

Expertise in Asynchronous Programming: You've built and operated async services that handle high concurrency in production. You understand backpressure, cancellation, and the failure modes that come with non-blocking I/O.

Problem-Solving for Legacy Rewrites: Experience uplifting legacy systems while they stay in production, moving traffic over safely and in stages, refactoring into more robust architectures, evaluating trade-offs in language choices while favoring those that align with long-term maintainability and security.

Commitment to Testing and Verification: History of employing comprehensive testing strategies, including fuzzing, property-based testing, and integration tests, to validate correctness under various failure scenarios.

Collaborative Technical Leadership: Ability to articulate and defend architectural decisions in team settings, while sharing best practices for secure software development.

Strategic Use of AI Tools: Proficiency in leveraging LLMs thoughtfully and selectively to boost productivity, while critically assessing outputs for correctness, maintainability, fit with the system's architecture, and alignment with broader engineering goals.

Ownership: Be responsible for the full lifecycle of the services you build, working closely with existing team members who have deep context on the system.

Communication: Work with your team, and across teams, to understand customer needs, refine requirements, implement, review, and deliver changes.

Requirements

5+ years of experience building and operating production systems
Working knowledge of HTTP and TLS
Experience in Rust or Go strongly preferred

Follow us on LinkedIn!

Why Menlo?

At Menlo, we don't settle for the status quo - in our technology or our culture. How we think and act is just as important as what we build. Our culture is defined by five core mindsets: Proactive Leadership, Straight Talk, United Impact, Elevated Talent, and Customer-Compelled. We take ownership and drive outcomes without waiting to be told. We communicate directly and seek hard truths. We break down silos and win together. We hold a high bar for ourselves and the people around us. And we treat every customer interaction as mission-critical. If you're someone who sees it, owns it, solves it, and does it - you'll thrive here.

All qualified applicants will receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.

TO ALL AGENCIES: Please, no phone calls or emails to any employee of Menlo Security outside of the Talent organization. Menlo Security’s policy is to only accept resumes from agencies via Ashby (ATS). Agencies must have a valid services agreement executed and must have been assigned by the Talent team to a specific requisition. Any resume submitted outside of this process will be deemed the sole property of Menlo Security. In the event a candidate submitted outside of this policy is hired, no fee or payment will be paid.

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More about this job

Responsibilities

Own features for Menlo Security’s ingress proxy, from design through production, and help extend its security controls to agent traffic. Improve the proxy’s architecture, performance, and security while collaborating with teammates and other teams to deliver customer-focused changes.

Requirements

Requires at least five years of experience building and operating production systems, working knowledge of HTTP and TLS, and strong experience in Rust or Go. The role also calls for expertise in high-concurrency asynchronous services, performance optimization, secure engineering, testing and verification, legacy modernization, and collaborative technical leadership.

Skills

Rust
Go
Systems Programming
HTTP
TLS
Network Performance Optimization
Asynchronous Programming
Concurrency
Security Engineering
Threat Modeling
Distributed Systems
Legacy System Modernization
Fuzz Testing
Property-Based Testing
Integration Testing
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Menlo Security
Ingress Proxy
Browser Security
Agent Runtime Security
AI Agents
Rust
Go
HTTP
TLS
Systems Programming
Network Applications
Latency Optimization
Throughput Optimization
Asynchronous Services
High Concurrency
Backpressure
Non-Blocking I/O
Threat Modeling
Vulnerability Mitigation
Data Integrity
Distributed Environments
Legacy System Modernization
Traffic Migration
Fuzzing
Property-Based Testing
Integration Testing
Profiling Tools
Concurrency Models
Large Language Models
Secure Software Development

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