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Job Overview
We are looking for an industry wide Senior Systems Architect - Infrastructure who can provide leadership and direction for Change-The-Bank (CTB) electronic trading infrastructure initiatives covering all technologies (in this specific domain) for Rates.
What We do
The role sits within Citi's Global Markets: High Performance Architectures - Infrastructure (HPAi) group. This team is responsible for all electronic trading infrastructure architecture across all markets globally for the firm. It isposed of low latency Subject Matter Experts (North America, EMEA), Systems Architects (both regional and asset class aligned) and an aligned initiative management function ( Technical Project Manager). Technology is key to our business; this role will require you to drive innovation and technology adoption in a large multi-faceted andplex environment. This ICG-Tech "business aligned tech" resource will collaborate with ICG-Markets "the business", CTI "Enterprise Infrastructure", and CISO "Security" teams driving technical architecture and engineering of CTB and End of Vendor Support (EoVS) initiatives where we choose to innovate.
Role Overview/What will you do:
Reporting to the head of HPAi, the Systems Architect will be responsible for ensuring best in breed technology architecture and engineering are in alignment with business requirements. This will be done in collaboration with CISO and CTIpute resources aligned to HPAi who represent Enterprise and CISO priorities and standards. Active collaboration with all parties is required to be successful. The resource should be able to effectively collaborate with the Markets-Tech Electronic Trading organization (our clients), steer other technology organizations directly or through influence, and love rolling up their sleeves and working as an individual contributor. The resource will leverage the full strength of the supporting non-ICG technology organizations (dedicated and non-dedicated to HPAi). The role is very broad requiring a resource that is not afraid to do new things and be challenged on a regular basis with a can-do attitude and an engineering mindset. Ideal candidate has deep desire to drive results and an unquenchable desire to understand how technology primitives work (and how to abuse them).
Duties will also include (But not limited to)
1. Ingress/plan/execute/manage technical initiatives to make our electronic trading systems faster, more adaptable stable and maintainable aligned to HPAi standards.
2. This position will support technical populations (Rates), partnering with leaders to understand their challenges and design and execute solutions to solve them.
3. To succeed in this role, you must enjoy working independently and collaborating, being a hands-on contributor, learning on the fly and embrace change - rapid pace.
4. You must be able to understand full-stack electronic trading technologies and engage effectively in a very technical manner with other SMEs, systems architects, the business (at times), Markets-Tech, and enterprise infrastructure organizations (CTI/CISO).
The environment
5. Low Latency Trading - Rates and Cross Markets, domain specific technology is required (solid knowledge for as many of the following as possible):
6. Network (R&S, cut-through, Multicast, SDN, BGP, L1-L3, PCAP analysis)
7. HW (Server, FPGA, GPU, DPU, Memory, over clocking, cooling, ASIC, Quantum, NUMA)
8. DevOps (OpenShift, Kubernetes, DevOps, Programming [C++/Python/Rust], CI/CD)
9. Time Sync (PTP, NTP, GPS, White Rabbit, SyncE)
10. Wave (RF, Millimeter, Microwave, DWDM, Photonics)
11. Storage (I/O, NAS, SAN, Object Store, SDS)
12. Database (relational, columnar, graph, NoSQL)
13. Monitoring (SPANs, TAPS, OEO, Packet Brokers, Corvil, SNMP, FIX, Logs, ELK)
14. Messaging (TibRV, Solace, Multicast, Market data (TCP/UDP), Exegy/Vela, Aeron)
15. Load Balancers (HW, SW)
16. Security (Firewalls, Optical Encryption)
17. Connectivity (WAN, Lucera, cross-connects. ECX, venue, client. nvLink, uaLink, CXL, UltraEthernet)
18. Colo / Datacenter (Power, Space, Cage, Rack, Cabinet, Design)
19. Market Data (Bloomberg, Reuters, RAW | Consolidated Feeds)
Skills & Experience
20. Systems Architecture experience in a Low Latency etrading Trading environment
21. Deep knowledge of operating system fundamentals - hyper focus on Linux (REL, CoreOS)
22. Understanding of OSI model and TCP and UDP network protocols
23. Experience with Python and data libraries
24. Fluency with the Unixmand line and shell scripting
25. Practical experience with modern Linux systems and systems programming concepts like C, IPC mechanisms, virtual memory, and process life cycle
26. Strong troubleshooting skills and knowledge of profiling/debugging tools such as gdb, perf, DTrace, SystemTap
27. Can understand, interpret, and improve application performance via system tuning
28. Thorough understanding of modernputer architecture - modern x86 AMD and Intel cache hierarchies as an example.
29. Kernel-bypass technology knowledge (such as Solarflare OpenOnload / TCPDirect / ef_vi, RoCE, DPDK)
30. Prior experience in a similar Site Reliability Engineering (SRE), DevOps, distributedputing, systems engineering/administration
31. Ability to context switch to work on several projects at once
32. Knowledge of JIRA, SCRUM, Sprints
This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.
What we'll provide you
By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive apetitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:
33. 27 days annual leave (plus bank holidays)
34. A discretional annual performance related bonus
35. Private Medical Care & Life Insurance
36. Employee Assistance Program
37. Pension Plan
38. Paid Parental Leave
39. Special discounts for employees, family, and friends
40. Access to an array of learning and development resources
Visit ourGlobal Benefitspage to learn more.
Alongside these benefits Citi ismitted to ensuring our workplace is where everyone feelsfortableing to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.
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Job Family Group:
Technology ------------------------------------------------------
Job Family:
Infrastructure ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
Forplementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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Job ID 25871489