I enjoy learning how computers mingle on networks and function at the operating system level. To get a feel for what I'm into: I know the difference between a process and a thread, a compiler and a linker, .text and .bss, kernel and user space, ECB and CBC ciphers, SYN cookies and oatmeal cookies. I write software primarily in python and C. I am currently delving into linux kernel development on the side. I also enjoy staying abreast of technological advances and finding creative ways to solve problems. The Free and Open Source Software movement has influenced me greatly so I strive to give back by contributing code and help to the community by way of my code repository, blog, and local meetups.

Site Reliability Engineer @ Cloud Services: docker/kubernetes; service discovery From August 2015 to Present (5 months) Production Engineer @ Infra security: x509/ssh PKI; authn/z From July 2013 to June 2015 (2 years) System Engineer @ EC2 Security: wrote threat intel ingestion platform; maintained control plane IDS; tier3 customer abuse rotation From June 2011 to June 2013 (2 years 1 month) System Engineer @ Mission Operations: Linux server/workstation administration From September 2008 to June 2011 (2 years 10 months) System Admin @ Linux & Windows From January 2005 to July 2008 (3 years 7 months) Web Development Contractor @ Optimized PHP and SQL performance of cluztr.com From July 2007 to October 2007 (4 months)

BS, Computer Science @ University of Phoenix From 2009 to 2010 Computer Science @ Mt. San Antonio College From 2003 to 2006 Sean Williams is skilled in: Ruby, Python, System Administration, Linux, C, x86 Assembly, Reverse Engineering, Malware Analysis, Distributed Systems, TCP/IP, Operating Systems, Security, Network Security, Bash, Open Source