WALT JOHNSON

*** **** **** *** *** *A, New York, New York 10023 · 206-***-**** · adht4g@r.postjobfree.com

● Technical:Strong Linux command line and TCP/IP skills. Can troubleshoot host, software, or network connectivity issues. Automates processes with bash and Perl.

● Finance: On the job understandings of different order types and how they regulate order flow. Understands the life cycle of a trade, and the processes involved supporting the trade cycle.

● Operations Support:Trade Floor and Exchange side work experience provides me with a comprehensive view of electronic order routing operations. PROFESSIONAL EXPERIENCE

Barclays 745 7th Ave, New York, New York 10019 10/18 - present Fixed Income Front Office Support Specialist

● Support 30+ applications for Credit Cash, Derivatives, Securitized Products and Municipal bond desks.

● Reduced the MSRB violation rate for the Muni Desk by 2%. Tracked all violations on a sharepoint page, discovered trends and focused resources on fixing the root cause of those trends.

● Adopted a leadership role in Incident Management. Start outage call in response to a major incident, assemble appropriate parties, lead investigation to resolve issues. Conduct follow up investigations to ensure the root cause of issue is remediated.

Bank of America 222 Broadway, New York, New York 10038 08/17 - 09/18 Production Support Specialist - Data Warehouse

● Monitor data archiving and report publishing processus with ITRS and Autosys. Write queries in SQL and kdb+ to fulfill financial books and records requests.

● Participated in DR build out. Using Perl copied terabytes of data, and 18,000 auto sys jobs from Production to DR. Adjusted global environment variables/rewrote scripts in bash, Perl, kdb and SQL when necessary. Lead a go/no go resiliency test of the new backup environment. UBS 1285 Ave of Americas, New York, New York 10006 07/14 - 06/16 Application Support Specialist

● Support applications for Equities and Options for trading and sales trading desks. Main point of contact for all incidents and service requests.

● In FIX, track order route from the exchange, through the UBS system, to the client or internal OMS module (or vice versa) to discover the point of failure.

● Support UBS Algo and Smart Order Routing systems. Analyze and explain to traders and outside clients the systems movements and decisions in response to the variables of market timing, price and volume. Market Making Support Specialist

● Supported Electronic Options Market-Making desk until the desk’s close in April 2015.

● Manage quoting and market data infrastructure (SRLabs, Celoxica). Manage, maintain and upgrade an extensive library of scripts in Perl, bash, kdb.

Signal Nine Consulting 70th West End Ave, New York, New York 10023 05/13 - 07/14 Social Media Data Miner -. Developed a platform that read in 1% of total twitter feed. Searched for keywords to help NBC News and Today Show producers get a real time view of audience participation. NASDAQ OMX Group 165 Broadway New York, New York 10006 10/11 - 05/13 Systems Reliability Engineer

● Maintain Nasdaq Equities matching engine, order routing, market data and clearing platforms with an emphasis on high availability, low latency electronic operations.

● Worked very hard to learn a packet by packet understanding of Nasdaq order routing and market data Financial Operations Support Strengths and Qualifications products and protocols: OUCH, NasdaqFIX, and multicast ITCH.

● Using Wireshark and Corvil worked with clients to decrease FIX and OUCH order acknowledgement times and in regards to MTU increased packet payloads to speed up order execution.

● Worked with networking and sysadmin to reduce latency and improve resiliency. Use Linux tools

(iostat, vmstat, top etc.) to capture operating metrics (system capacity, faults, latency etc.).

● Monitor order flow and order acknowledgement times. Determined the correct balance of accounts per host against the relative volume of each port to keep order acknowledgement times between 50 - 80 microseconds. Monitor FINRA ACT system order acknowledgement to SIP.

● Personally built out the UAT environment, a scaled down replica of the NASDAQ trading system. Replete with a matching engine, multicast market data feeds, OUCH and FIX gateways.

● As newest member of the team, responsible for onboarding client FIX, OUCH and ITCH connections.

● Use TCPdump for live connection analysis, Wireshark to investigate issues of disconnects or dropped packets and the Corvil to fully investigate latency or load balance issues. Interactive Brokers – 2 Pickwick Plaza, Greenwich CT, 06830 01/09 – 09/11 Technical Operations Specialist -

● Support Timber Hill/Interactive Brokers Equity, Option, FX and Market Making applications.

● Heavy automation work with Perl and Bash. Monitor Batch Processes with Autosys. Citibank – 480 Washington Blvd, Jersey City, New Jersey 07310 10/07 – 12/08 Trade Support

● Supported Fixed Income and Rates Traders.

Skills Overview

Stackoverflow id: capser

Additional Information

Received a Bachelor of Arts in 1998 from Fordham University. Worked from 1998 to 2007 as a Certified Marine Diesel Mechanic in Alaska and Seattle, Washington. Operating Systems Red Hat centOS debian vm virtual box aws some windows. Scripting Perl Bash Powershell VBA Tmux

Networking tools ssh netcat telnet netstat arp ethtool traceroute Protocols http dhcp tcp udp fix ouch itch arp SRLabs, Celoxica Ullink