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Added 1 month ago
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Senior Network Engineer - Demonware - Vancouver, BC
Activision
Vancouver, BC
- Other
8+ years practical data centre network experience, preferably working with large scale networks in a global 24/7 environment
Added 4 months ago
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Senior Network Engineer - Demonware - Vancouver, BC
Activision Blizzard, Inc.
Vancouver, British Columbia
- Full-time
8+ years practical data centre network experience, preferably working with large scale networks in a global 24/7 environment
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Vancouver, British Columbia
- Full-time
…as one of Canada’s Top 100 Employers for eleven consecutive years and one of Canada’s Best Diversity Employers for fourteent consecutive years, our culture is guided by The McCarthy Way -…
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Toronto, Ontario
- Full-time
…as one of Canada’s Top 100 Employers for eleven consecutive years and one of Canada’s Best Diversity Employers for fourteent consecutive years, our culture is guided by The McCarthy Way -…
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Calgary, Alberta
- Full-time
…as one of Canada’s Top 100 Employers for eleven consecutive years and one of Canada’s Best Diversity Employers for fourteent consecutive years, our culture is guided by The McCarthy Way -…
Added 2 months ago
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Specialist, Data Quality Developer
Vale
Toronto, ON
- Full-time
The Specialist, Data Quality Developer is responsible for designing, building, and maintaining enterprise data quality, data catalog, data stewardship, and master data management (MDM)…
Added 2 months ago
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Specialist, Data Custodian
Vale
Toronto, ON
- Full-time
8+ years of experience in data governance, data stewardship, or metadata management
Added 5 months ago
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Development Engineer
Canadian Natural
Calgary, Alberta
- Full-time
3+ years of engineering experience with a Bachelor of Science in Engineering and registration or eligibility for registration with APEGA (petroleum industry experience is considered an…
Added 1 month ago
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Manager, Security Engineering
Cohere
Canada
- Full-time
You have 8+ years of previous experience in Application Security / Security Engineering with a strong focus on vulnerability management, SDLC and bug bounty programs.
Added 5 months ago
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Staff Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $146,200 to $258,000 CAD / year
- Full-time
- Remote
8+ years of postgraduate experience in software development
Added 5 months ago
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Senior Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $119,000 to $210,000 CAD / year
- Full-time
- Remote
5+ years of postgraduate experience in software development
Added 5 months ago
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Specialist, Geological database
Vale
Toronto, Ontario
- Full-time
· 8+ years experience working with geological databases and operational geoscience data (drillholes, samples, assays) in exploration, mining, or similar industrial environments.
Added 5 months ago
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Animateur.trice avancé.e / Advanced Animator
Warner Bros. Discovery
Remote, Canada
- Full-time
- Remote
Bonne compréhension de Python/MEL/Maxscript ou systèmes similaires est un atout.
Added 5 months ago
Thermal Reservoir Engineer
Canadian Natural
Calgary, Alberta
2–20 years of thermal (SAGD) reservoir engineering experience is mandatory, along with a B.Sc. in Engineering
Added 3 months ago
V
Senior Specialist, Data Modeler (Microsoft
Vale
Toronto, Ontario
- Full-time
Added 5 months ago
V
Specialist, Geological database
Vale
Toronto, Ontario
- Full-time
· 8+ years experience working with geological databases and operational geoscience data (drillholes, samples, assays) in exploration, mining, or similar industrial environments.
Added 5 months ago
KS
Senior VFX Artist | Artiste senior (effets visuels) - GameSim - Talent Pipeline
Keywords Studios
Remote, Canada
- Full-time
- Remote
Minimum 8-years of professional game industry experience with at least one shipped title.
Added 5 months ago
KS
Sr Environment Artist | Artiste senior en environnements - GameSim - Talent Pipe
Keywords Studios
Remote, Canada
- Full-time
- Remote
Minimum 8-years of professional game industry experience with at least one shipped title.
Added 1 month ago
Staff Software Engineer (Cloud CICD Platforms)
Scotiabank
Toronto, ON
8 or more years in progressive roles within Application Engineering/Technology, with technical working experience developing and/or supporting multi-platform-based applications and…
Added 5 months ago
Senior Staff Developer
Benevity
Calgary, Alberta
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Added 5 months ago
Senior Staff Developer
Benevity
Vancouver, British Columbia
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Added 5 months ago
Senior Staff Developer
Benevity
Toronto, Ontario
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Added 5 months ago
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Senior Specialist, Data Modeler – OT & Industrial Automation
Vale
Greater Sudbury, Ontario
- Full-time
Added 2 months ago
Sr. Staff Physical Design Timing Engineer (STA)
Lightmatter
Toronto, ON
12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
Added 5 months ago
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Senior Software Developer, Data & MLOps
OSEDEA
Montreal, Quebec
- Full-time
As a Senior Software Developer with strong Data Engineering and MLOps experience, you design, build, and deliver robust data and machine learning solutions for our clients. You combine…

Lightmatter

Sr. Staff Physical Design Timing Engineer (STA)

Toronto, ON, Canada

$191,000 - $220,000 CAD

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Job details

Pay: $191,000 - $220,000 CAD
Experience: 12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
Posting language: English
Posted: Aug 25, 2026

Original job description

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads.

Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter!

If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders.

Lightmatter is (re)inventing the future of computing with light!

About this role

We are hiring a Physical Design Timing Engineer to help drive backend digital execution for some of the leading photonics based interconnect solutions. You will work alongside a team of world-class scientists and engineers in defining how the system will be optimized and trailblaze problems that are new to the industry. If your passion is innovation, solving challenging technical problems and doing impactful work you should join our team.

In this job you will be responsible for timing constraints development, STA and timing closure on leading edge CMOS technologies and flows. This includes synthesis through place and route, timing closure, and tapeout signoff.

Responsibilities

Drive the STA sign-off for our flagship Silicon photonics chips at various technology nodes.
Analyze fab guidelines and work with the methodology team to incorporate sign off corners, margins, and derates into timing analysis flows and methodologies.
Collaborate with the architecture, RTL, and DFT teams to analyze the timing complexities and develop consolidated timing modes and constraints for synthesis, along with PnR and chip timing sign-off flows.
Analyze and understand the tradeoffs between power/performance and area goals to drive them into overall chip implementation flows.
Run full-chip STA and accurately project the timing summary across scenarios.
Leverage Tempus/PrimeTime to automate timing ECO generation for effective closure and support physical design implementation.
Document best practices and lessons learned to drive continuous improvements in future projects.

Qualifications:

Bachelor’s degree in Electrical Engineering or Computer engineering
12 years of Physical Design experience, with a minimum of 5 years hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools
Experience in driving timing closure by effectively managing on-chip variation derates, optimizing multi-mode multi-corner constraints, and implementing robust clock tree building strategies
Well versed with scripting languages like TCL and Python, PERL, or Shell
Strong problem solving skills with attention to every technical aspect
Be a strong team player with clear and precise communication skills

Preferred Qualifications:

Master’s degree in Electrical Engineering or Computer engineering
A minimum of 8 years of hands-on experience in ASIC STA and timing constraints development, timing closure with Cadence or Synopsys tools

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.

$191,000 - $220,000 CAD

Benefits

Comprehensive Health Care Plan (Medical, Dental & Vision)
Retirement Savings Matching Program
Life Insurance (Basic, Voluntary & AD&D)
Generous Time Off (Vacation, Sick & Public Holidays)
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, hybrid workplace model
Equity grants (applicable to full-time employees)

Benefits eligibility may vary depending on your employment status and location. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.

Export Control

Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws.

Apply About employer

More about this job

Responsibilities

Drive the STA sign-off for Silicon photonics chips and analyze fab guidelines to incorporate sign-off corners into timing analysis flows. Collaborate with various teams to develop timing modes and constraints for synthesis and chip timing sign-off flows.

Requirements

A bachelor's degree in Electrical Engineering or Computer Engineering is required, along with 12 years of Physical Design experience and 5 years in ASIC STA. Preferred qualifications include a master's degree and 8 years of hands-on experience in the same field.

Skills

Physical Design
Timing Engineer
STA
Timing Closure
Cadence
Synopsys
TCL
Python
PERL
Shell
Problem Solving
Communication
ASIC
Chip Implementation
Timing Analysis
Automation

Benefits

Comprehensive Health Care Plan
Life Insurance
Generous Time Off
Paid Family Leave
Short Term & Long Term Disability
Training & Development
Commuter Benefits
Flexible, Hybrid Workplace Model
Equity Grants

Visa sponsorship

Not detected in the job text

Keywords

Physical Design
Timing Engineer
STA
Timing Closure
Cadence
Synopsys
TCL
Python
PERL
Shell
ASIC
Chip Implementation
Timing Analysis
Automation
Silicon Photonics
Data Center
AI
HPC
3D-Stacked Photonics Engine
Passage
Timing Constraints
Synthesis
Place and Route
Tapeout Signoff
Power Performance
Area Goals
Full-Chip STA
Timing Summary
Timing ECO Generation
Methodology Team

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