Low Latency Network Engineer

About Citi:

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

Job Overview:

As a Low Latency Network Engineer you’ll provide solutions across the company’s datacenters and global colocation estate across the world encompassing all aspects related to collocation sites: site access, equipment procurement, logistics, capacity management (power, space, servers, network ports, etc.), performance management, service availability, connectivity, compute and market data delivery.

You will architect, engineer and deploy ultra-low latency network infrastructure including overseeing and carrying-out installation, monitoring, maintenance, support, optimization and documentation of all network hardware, security hardware, software and connectivity. You will also get involved with managing\participating in multiple projects and be responsible for configuring / optimizing the network to ensure ultra-low\low latency is achieved for intraday trading and direct market access systems, providing exchange, broker and managed service providers connectivity to support market data delivery and order execution.

Responsibilities:

• Create complex project plans, perform impact analyses solve/work high impact problems/projects, and provide resolutions to restore services
• Drive Root Cause Analysis (RCA) post restoration of service
• Design testing approaches, complex processes, reporting streams, and create automation of repetitive tasks
• Review requirement documents, define hardware requirements and examine and update processes and procedures as necessary
• Provide technical/strategic direction and act as advisor/coach to lower level analysts
• Develop projects required for design of metrics, analytical tools, benchmarking activities and best practices
• Responsible for overall operating system applications
• Contribute to technical direction and strategic decisions
• Has the ability to operate with a limited level of direct supervision.
• Can exercise independence of judgement and autonomy.
• Acts as SME to senior stakeholders and /or other team members.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm’s reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

• At least 3+ years plus relevant experience.
• Strong knowledge on Electronic and Algo Trading Platforms, Feed Handlers, Order Routers, Smart Order Routers, FIX protocol.
• Exchange binary FIX protocols such as OUCH, ITCH.
• Strong Network engineering and project delivery experience
• Advanced knowledge of routing and switching protocols;
• Experience with Unicast: EIGRP, OSPF, BGP, NAT, IPSEC and GRE
• Heavy experience with Multicast: PIM, RP, MSDP, IGMP v2, v3
• Experience with Switching: STP, PC/vPC/MLAG, CDP/LLDP, QoS, HSRP/VRRP, VLAN/VxLAN, Spine and Leaf infrastructures.
• In-depth experience with Cisco Nexus network switching, routing hardware and software
• Knowledge of network monitoring PCAP decoding tools landscape (Corvil, SFlow, timestamping (PTP) preferred but not required)
• Knowledge of Algorithmic/DMA/HFT and trading platforms and how the trade lifecycle operates
• Solid understanding of market venue, exchange protocols (binary, FIX, ITCH,OUCH, Pillar, etc.) and trading systems across multiple asset classes
• Strong scripting and automation experience (Python preferred but not required)
• Excellent communication skills; ability to perform under pressure and detail oriented

Education:

• Bachelor’s degree or equivalent work experience

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Job Family Group:

Technology

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Job Family:

Infrastructure

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Time Type:

Full time

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Primary Location:

Irving Texas United States

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Primary Location Full Time Salary Range:

$96,400.00 - $144,600.00

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.

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Anticipated Posting Close Date:

Jan 10, 2025

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Citi is an equal opportunity and affirmative action employer.

Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Citigroup Inc. and its subsidiaries ("Citi”) invite all qualified interested applicants to apply for career opportunities. 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.

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