ZipRecruiter

Log In

1

Low Latency Jobs (NOW HIRING)

next page

Showing results 1-20

All JobsLow Latency Jobs

Low Latency information

What is the difference between Low Latency vs Network Engineer?

AspectLow LatencyNetwork Engineer
Required CredentialsNetworking certifications, such as CCNA or CCNPNetworking certifications, such as CCNA or CCNP
Work EnvironmentData centers, trading floors, or high-frequency trading firmsCorporate offices, data centers, ISPs
Industry UsageFinance, telecommunications, gamingIT, telecommunications, enterprise networks
Common Search IntentOptimizing for minimal delay in data transmissionDesigning and maintaining network infrastructure

Low Latency specialists focus on reducing data transmission delays in environments like trading or gaming, while Network Engineers design and manage overall network systems. Both roles require networking certifications and work in similar environments, but their core objectives differ: latency reduction versus network stability and design.

What are the key skills and qualifications needed to thrive as a Low Latency Engineer, and why are they important?

Succeeding as a Low Latency Engineer requires strong programming skills (often in C++ or Java), a solid understanding of network protocols, and a background in computer science or a related field. Experience with low-latency trading systems, real-time data processing, and performance optimization tools is typically necessary. Outstanding problem-solving ability, attention to detail, and effective teamwork are vital soft skills in this fast-paced environment. These competencies ensure the rapid development and maintenance of systems that can process and respond to data in microseconds, which is critical for competitive advantage in industries like finance and telecommunications.

What are low latency jobs?

Low latency jobs refer to roles focused on designing, developing, and maintaining systems or applications that require extremely fast response times, often measured in microseconds or milliseconds. These roles are especially critical in industries such as finance, telecommunications, and online gaming, where real-time data processing and rapid execution are essential. Professionals in low latency jobs typically work with high-performance computing, optimizing software and hardware to minimize delays and ensure efficient data flow. Common job titles include low latency engineer, low latency developer, and systems architect specializing in low latency solutions.

What are some common challenges faced by professionals working in low latency roles within the financial industry?

Professionals in low latency roles, especially in finance, often encounter challenges such as optimizing code and systems for ultra-fast execution speeds, minimizing network delays, and ensuring reliability under high loads. They frequently collaborate with trading teams, network engineers, and infrastructure specialists to maintain competitive edge and comply with strict regulatory standards. Adapting to rapidly changing technology and troubleshooting performance bottlenecks are also key aspects of the daily workflow in this high-pressure environment.
More about Low Latency jobs
What cities are hiring for Low Latency jobs? Cities with the most Low Latency job openings:
What states have the most Low Latency jobs? States with the most job openings for Low Latency jobs include:
What job categories do people searching Low Latency jobs look for? The top searched job categories for Low Latency jobs are:
Low Latency jobs near you
Infographic showing various Low Latency job openings in the United States as of June 2026, with employment types broken down into 1% Locum Tenens, 49% Full Time, and 50% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution.
Low Latency Infrastructure Engineering, Equities Trading, Director

Low Latency Infrastructure Engineering, Equities Trading, Director

Citigroup, Inc.

Jersey City, NJ • On-site

$170K - $300K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Role Overview:
Citi Equities Technology is seeking a senior leader for its low-latency infrastructure engineering group. The person in this role will be responsible for design, architecture & delivery of Citi's trading infrastructure across colocation sites and strategic data center assets.
This role requires a combination of deep technical expertise in low latency infrastructure and networking systems, trading microstructure knowledge and strong leadership and execution capabilities. The successful candidate will lead a global engineering team to deliver platform infrastructure in close partnership with the software delivery teams, Citi's enterprise technology group and trading functions.
Key Responsibilities:
  • Define and execute the strategic roadmap for low latency trading infrastructure across Global Equity Markets.

  • Architect and deliver high performance colocation environments, connecting exchange venues, market data providers, and internal trading systems.

  • Lead design and implementation of ultra-low latency Layer 1/Layer 2 network infrastructure between exchange colocation facilities and Citi data centers.

  • Drive selection, evaluation, and deployment of cutting-edge low latency switching, routing, timing, and telemetry technologies.

  • Work with vendors partners, exchange providers, telecom carriers, and hardware manufacturers to optimize connectivity, resiliency, and performance.

  • Design resilient cross-connect and market access strategies across global exchanges and liquidity venues.

  • Establish standards for low latency Linux infrastructure, including Operating System optimization, kernel bypass technologies, CPU isolation, NUMA optimization, interrupt tuning, and deterministic performance engineering.

  • Lead engineering teams responsible for infrastructure provisioning, bare-metal automation, deployment pipelines, hardware lifecycle management, and production engineering.

  • Develop scalable operational models enabling rapid deployment of trading infrastructure, including procurement workflows, capacity management, rack design, and colocation expansion.

  • Build highly secure and compliant environments aligned with Citi operational, cyber, and regulatory requirements.

  • Collaborate with application engineering teams to optimize end-to-end trading latency and infrastructure determinism.

  • Drive observability, performance benchmarking, packet capture analysis, and latency telemetry across the trading stack.

  • Manage relationships with exchanges, telcos, connectivity providers, and colocation operators globally.

  • Lead incident management and infrastructure resiliency programs for mission-critical trading environments.

  • Mentor and develop senior engineers and technical leads across infrastructure and platform engineering disciplines.

Required Qualifications:
  • 15+ years of experience in low latency infrastructure engineering within electronic trading, capital markets, hedge funds, trading venues or equivalent financial institutions.

  • Proven experience building and operating exchange colocation environments for Equities or multi-asset electronic trading platforms.

  • Deep expertise in low latency network design, including:

  • Arista, Cisco, Juniper, or equivalent ultra-low latency switching platforms

  • Layer 1 optimization

  • Multicast market data distribution

  • Precision timing/PTP

  • Optical transport and cross-connect architecture

  • Exchange connectivity design

  • Strong understanding of modern low latency hardware platforms, NICs, FPGA-enabled environments, and packet processing optimization.

  • Advanced Linux systems engineering expertise, particularly:

  • RHEL & Kernel tuning

  • CPU pinning and isolation

  • IRQ balancing

  • NUMA optimization

  • DPDK/XDP/kernel bypass technologies

  • Deterministic systems performance tuning

  • Experience designing resilient infrastructure across colocation facilities and large-scale enterprise data centers.

  • Strong knowledge of automation and infrastructure engineering practices using Python, Ansible, CI/CD pipelines, and infrastructure-as-code methodologies.

  • Experience managing hardware procurement, vendor negotiations, colocation buildouts, and telecom contracts.

  • Demonstrated ability to lead globally distributed engineering teams in high-pressure, mission-critical environments.

  • Strong understanding of operational risk, resiliency, cybersecurity, and regulatory requirements within financial services.

  • Excellent stakeholder management and communication skills with ability to interact effectively with senior technology leadership, trading desks, and external partners.

Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
Jersey City New Jersey United States
Primary Location Full Time Salary Range:
$170,000.00 - $300,000.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.
Anticipated Posting Close Date:
Aug 08, 2026
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

Apply