System performance jobs

Senior SOC Architect

NVIDIA · Posted Nov 11, 2026

Open

Tel Aviv, Tel Aviv, Israel
Senior
12+ years

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Senior SOC Architect

NVIDIA · Posted Nov 11, 2026

Open

Tel Aviv, Tel Aviv, Israel
Senior
12+ years

Apply with Referso

IT Solutions Specialist

Mosaic · Posted Nov 11, 2026

Open

Sao Paulo, São Paulo, Brazil +1 more
Hybrid

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Lead deployment, maintenance, and improvement of business applications and systems for Legal, Public Affairs and Human Resources technology platforms.

Locations (2)

Sao Paulo, São Paulo, Brazil
Uberaba, Minas Gerais, Brazil

Responsibilities

Lead deployment, maintenance, updating, and troubleshooting of Espaider, Netlex, ADP, Workday and related solutions
Participate in development, analysis, prioritization, and organization of specifications, data mapping, diagrams, and flowcharts
Translate business and non-technical requirements into technical specifications
Partner with other teams to maintain overall solution architecture, scalability, security, and integrity
Define solution limitations and requirements

Requirements

Computer Systems
Information Technology
Administration or related field

Skills

Senior SOC Architect

NVIDIA · Posted Nov 11, 2026

Open

Tel Aviv, Tel Aviv, Israel
On-site
Full-time · Senior
12+ years

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Define and drive advanced runtime hardware features for power and performance, working with internal customers and cross-functional teams to take new architectural features from concept through POR, implementation, and post-silicon enablement.

Responsibilities

Hardware architecture end-to-end lifecycle ownership
Drive Architecture/Software/Hardware co-design and collaboration on features set
Drive the development of predictive and adaptive hardware for improved performance and power
Perform performance, perf @ watt, perf / sq. mm modeling or analysis and track through design (where applicable)
Hardware specification authoring, review, and architectural model development (where applicable)

Requirements

Bachelors degree in Computer Engineering
Masters degree in Computer Engineering
PhD degree in Computer Engineering
Bachelors degree in Electrical Engineering
Masters degree in Electrical Engineering

Skills

SoC architecture definition Clocks Resets Interconnects Memory Controller

Quantitative Developer

DRW · Posted Jul 16, 2026

Open

New York, New York, United States
On-site
$175K–$250K per year
2+ years

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Lead the design and implementation of a systematic, mid-frequency trading platform, turning research ideas into reliable production systems.

Compensation

The annual base salary range for this position is $175,000 to $250,000 depending on the candidate’s experience, qualifications, and relevant skill set. The position is also eligible for an annual discretionary bonus.

Responsibilities

Design and build core research and trading platform, including data pipelines, backtesting and simulation frameworks, portfolio and execution tooling, and research APIs
Work closely with quantitative researchers to implement studies, test hypotheses, and translate promising ideas into robust production systems
Develop and productionize statistical and machine learning models, owning the workflow from feature generation and training through backtesting, deployment, and live monitoring
Build reliable data infrastructure for large historical and real-time datasets, with an emphasis on point-in-time correctness, reproducibility, performance, and ease of use
Improve performance and scalability of computationally intensive research and production workloads

Requirements

Bachelor's in Computer Science
Master's in Computer Science
PhD in Computer Science
Nice to have: PyTorch
Nice to have: GPU computing

Skills

Python

IT Manager

Hilton · Posted Nov 10, 2026

Open

Bogota, D.C., Colombia
On-site

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IT Manager

Responsibilities

Execute IT strategy and implementation across multiple properties
Enhance system performance and security
Resolve technical challenges for users
Ensure compliance with IT standards
Lead technology projects

Skills

IT strategy LAN network servers system performance security compliance IT infrastructure project management team leadership

Benefits

Travel perks
Paid parental leave
Mental health resources
Paid time off

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Staff Software Engineer - Migrations

Paymentology · Posted Nov 10, 2026

Open

Remote, Portugal
Remote
Full-time · Staff
10+ years

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Lead technical strategy and architecture for large-scale payment system migrations, mentoring senior engineers and driving cross-team initiatives.

Responsibilities

Drive technical strategy for significant engineering domain or cross-team initiative
Translate large, ambiguous or unfamiliar problems into clear technical direction
Shape architectures supporting long-term product and business needs
Evaluate complex technical trade-offs and communicate recommendations
Create architectural patterns, engineering standards and sensible defaults

Requirements

Nice to have: payments
Nice to have: fintech

Skills

Java microservices APIs event-driven architectures relational databases data modelling system performance AWS

HVAC Service Tech

ARS-Rescue Rooter · Posted Nov 6, 2026

Open

Columbia, Maryland, United States
Full-time
$25–$40 per hour
3+ years

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Residential HVAC Service Technician diagnosing, servicing, and repairing home comfort systems across Maryland.

Compensation

Pay: $25 – $40+ per hour plus commission

Responsibilities

Diagnose and repair residential HVAC systems with speed, accuracy, and professionalism
Perform service and repairs on split systems, heat pumps, gas furnaces, boilers, air handlers, thermostats, zoning controls, indoor air quality components
Troubleshoot electrical, airflow, refrigerant, ignition, venting, and control issues
Confirm system performance after repair
Communicate clearly with homeowners about problems, solutions, pricing, and expectations

Skills

HVAC service diagnose repair split systems heat pumps gas furnaces boilers air handlers

Chief Engineer

RTX · Posted Nov 5, 2026

Open

Richardson, Texas, United States
On-site
Full-time · Manager
$146K–$277K per year
10+ years

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Lead engineering teams to achieve program and technical success across Ci2 programs.

Compensation

The salary range for this role is 145,600 USD - 276,800 USD.

Responsibilities

Lead engineering teams (infrastructure, software, systems, specialties)
Drive and prioritize technical approaches
Coordinate across internal and external stakeholders
Ensure issues are understood and technical solutions are implemented expeditiously
Communicate risks or issues involving system performance, availability, or security

Requirements

Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM)
Nice to have: 15+ years of industry experience
Nice to have: Experience in technical leadership role of a large multi-disciplined engineering team
Nice to have: Experience preparing and delivering briefings to customers, stakeholders, and internal management
Nice to have: Experience in creating technical presentations to both internal and external customers

Skills

Engineering leadership experience Experience managing, driving, and prioritizing technical approaches