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---
title: Curriculum Vitae
description: The CV of stonewall, a Linux engineer in upstate South Carolina.
date: January 20, 2023
---
[stonewall@sacredheartsc.com](mailto:stonewall@sacredheartsc.com)
[sacredheartsc.com](https://www.sacredheartsc.com){.right}
Site reliability engineer in upstate South Carolina, specializing in the programming,
administration, and troubleshooting of Linux systems. 8+ years of development and
operations experience. Strong skills in Unix internals, shell scripting, system
administration, and debugging, from userspace to the kernel. Extensive experience
in Linux, BSD, and Solaris-based operating systems, as well as networking and
infrastructure management.
## Work Experience
**Linux Engineer** at [REDACTED, Inc.]{.redacted} (Remote)
[2021-present]{.right}
- Details forthcoming.
**Linux Engineer** at **[Jane Street](https://www.janestreet.com/)** (New York, NY)
[2018-2021]{.right}
- Investigated production errors and performance regressions using packet captures,
userspace profiling, and kernel instrumentation.
- Maintained Linux infrastructure and developed management tools for network
storage systems.
- Diagnosed performance bottlenecks in NFS application workflows and client/server
implementations.
- Designed and implemented automated systems for the deployment, configuration
management, and monitoring of Linux hosts.
- Wrote patches for bug fixes and performance improvements for various open source
applications in the GNU/Linux ecosystem.
**Site Reliability Engineer** at **Thesys CAT** (Charleston, SC)
[2017-2018]{.right}
- Designed infrastructure, networking, and operations strategies for the
implementation of the SEC’s Consolidated Audit Trail.
- Led infrastructure rollout and configuration management effort using Ansible
for hundreds of bare metal and cloud servers.
- Implemented Kerberos-based authentication system for both applications and user
accounts.
- Built an object storage solution using FreeBSD and ZFS nearing a petabyte of
usable space.
- Created automated build and packaging pipeline for in-house software repositories.
**DevOps Engineer** at **Thesys Technologies** (Charleston, SC)
[2016-2017]{.right}
- Implemented market access software in C for Tilera’s TILE64 architecture, supporting
over $1 billion per day of order volume.
- Improved the accuracy of distributed C-based client risk checks while maintaining
≤2.5μs order latency.
- Responsible for implementation and monitoring of a C++-based software trading
platform as part of trading technologies DevOps team.
- Coordinated network connectivity and colocation with clients and stock exchanges
in North America.
- Assessed and resolved real-time trading and connectivity issues in a high-stress
environment while managing relationships with customers.
**Software Engineer** at **SPARC** (Charleston, SC)
[2015-2016]{.right}
- Developed benefit management software for the Department of Veterans Affairs
using Java, Spring Framework, and AngularJS.
- Led a special performance team which identified and mitigated application
bottlenecks.
- Achieved a >10x speedup by refactoring application-layer JPA logic into more
efficient database queries.
- Created and maintained CentOS VM images for Oracle Database.
**Graduate Research Assistant** at **[Clemson University](https://www.clemson.edu/)** (Clemson, SC)
[2013-2015]{.right}
- Designed and implemented a middleware system for watershed-scale sensor networks
using Java and NodeJS.
- Maintained a middleware backend which served over 50 live ecological sensor
deployment sites across South Carolina.
- Independently developed a metadata management system for sensor network hardware,
which was presented at IEEE and ACM conferences.
## Education
**M.S. in Computer Science** at **[Clemson University](https://www.clemson.edu/)** (Clemson, SC)
[2013-2015]{.right}
- Developed new data analytics and management tools for wireless sensor networks
in Clemson’s Dependable Systems Research Group.
- GPA 3.70
**B.S. in Computer Science** at **[Clemson University](https://www.clemson.edu/)** (Clemson, SC)
[2009-2013]{.right}
- Graduated magna cum laude as an undergraduate researcher in the Calhoun
Honors College.
- GPA 3.82
|
