Experiences
SecDevOps Tech Lead / Detection and Response Sr. Engineer
San Francisco, CA | June 2020 - Present
- Integrated secure coding practices and API-based event detection.
- Enhanced incident response protocols and overall security posture.
- Developed CI/CD pipeline enhancements and an alerting framework for SSL/PKI certificates.
- Created management systems for inventorying certificates across assets.
- Built web UI for engineers to create and update their secrets.
- Worked on FedRamp certification readiness.
- Improved secure development practices and tooling.
Sr. DevOps Engineer - Observability
San Francisco, CA | October 2018 - June 2020
- Designed and implemented metrics visualization solutions for applications and systems.
- Migrated from Graphite to a modern monitoring stack using Elasticsearch and Grafana.
- Set up alerting based on metrics to identify deviations and on log events for process behavior.
- Collaborated on SRE tasks to ensure high availability.
Lead DevOps Engineer
San Francisco, CA | March 2017 - October 2018
- Managed AWS infrastructure including EC2, S3, ECS, and RDS services.
- Implemented monitoring and alerting using Sysdig, Cloudwatch, and Newrelic.
- Updated and created automation using Python.
- Updated deployment pipeline to make code deploys more reliable and efficient.
- Redesigned monitoring stack and created automation scripts.
Senior DevOps Engineer / SRE
San Francisco, CA | May 2016 - March 2017
- Responsible for Hipmunk's production network.
- Monitored and alerted on vital metrics using Ganglia and Nagios.
- Developed automation using Puppet and implemented new deployment strategies.
- Handled infrastructure tasks with focus on Operations and Security.
- Supported critical infrastructure during acquisition by Concur/SAP.
Automation Engineer / DevOps Engineer
Berkeley, CA | September 2013 - May 2016
- Responsible for Labs' HR infrastructure.
- Monitored and alerted on vital metrics using OMD and Nagios.
- Set up configuration management via Puppet.
- Improved monitoring situation and added automation where possible.
- Supported scientific computing infrastructure for research groups.
Sr. Site Reliability Engineer (Level 3)
San Francisco, CA | October 2012 - September 2013
- Responsible for Twitter's Search Group (about 1,500 servers).
- Monitored and alerted on vital metrics using Ganglia and Nagios.
- Deployed search infrastructure to new datacenter.
- Made code deploys more reliable and efficient.
- Created smoke-test environment based on virtualization.
- Implemented reliable on-call and alerting management.
Sr. Infrastructure Engineer
San Francisco, CA | October 2011 - October 2012
- Managed infrastructure for Yammer (later acquired by Microsoft).
- Implemented system automation and monitoring solutions.
- Supported infrastructure during company growth and acquisition phase.
Sr. Unix Systems Administrator
San Francisco, CA | August 2010 - October 2011
- Managed Unix systems for CBS Interactive / CNET.
- Implemented automation and monitoring solutions.
- Maintained high-traffic web infrastructure.
Systems Engineer
San Francisco, CA | March 2009 - August 2010
- Supported Wikimedia Foundation infrastructure.
- Contributed to open-source initiatives and system improvements.
Sr. Unix Systems Administrator
San Francisco, CA | April 2008 - March 2009
- Worked at Ip-Soft supporting Gap, Inc. infrastructure.
- Managed Unix systems and enterprise applications.
Operations Engineer
Santa Clara, CA | November 2007 - April 2008
- Supported Yahoo's infrastructure operations.
- Implemented monitoring and automation solutions.
Sr. Security Analyst
Pleasanton, CA | March 2007 - November 2007
- Led security initiatives and analysis for E-Loan.
- Implemented security monitoring and vulnerability management.
Unix and Web Systems Administrator
Pleasanton, CA | July 2005 - March 2007
- Managed Unix and web systems for E-Loan.
- Supported critical financial applications and infrastructure.
Sr. Customer Engineer / NOC Systems Supervisor
San Francisco, CA | June 2004 - July 2005
- Supervised NOC operations at ServePath / Coloserve.
- Managed customer engineering and systems support.
Skills Explorer
Interactive breakdown of my technical expertise. Click on any skill for more details.
Skill Details
Education
DeVry University
Fremont, CA | April 2001 - March 2003
Telecommunication Management – Completed 100% technical education and 93% general education. Repeated Dean's list appearance.
Rochester Institute of Technology (RIT)
Rochester, NY | September 2000 - April 2001
Software Engineering
Lycée Francais La Pérouse
San Francisco, CA | September 1997 - July 2000
Economics and Sociology – French Baccalaureate in Economics and Sociology.
Lycée Technique La Mache
Lyon, France | September 1995 - July 1997
Electrotechnics Engineering – BEP - CAP in Electrotechnics.
Projects & Contributions
Ampache Authentication Plugin
Assisted in troubleshooting and developing the authentication plugin used in Ampache.
Gallery2 Import Scripts
Created Perl scripts to programmatically import and format pictures.
Documentation Tutorials
Authored tutorials on UNIX server setup, LAMP system installation, and advanced Postfix configurations.
Certifications & Licenses
- Offensive Security Certified Professional (OSCP) – Awarded June 3rd, 2007 (ID: OS-101-02021)
- FCC Amateur Radio Licensed – Awarded September 30th, 2008 (ID: K6FPV / KI6TDU)
- In Progress: CEH, CISSP
What Others Say
Recommendations from former colleagues, quoted verbatim from LinkedIn
"Fred was a talented and knowledgeable systems administrator. He was among the best on a team of administrators supporting UNIX, Linux, and Windows. Fred was also very knowledgeable and indispensable with network and systems security."
"Fred proved to be a very capable Systems Administrator with a strong emphasis on security. When assigned a project or task, he was very good at doing research to find out the pluses and minuses of the options available. He was able to be professional the entire time I worked with him, this was no easy feat given the environment he was in. I enjoyed working with him and would be willing to do so again."
"Fred is a very friendly guy, professional, utterly dependable, always willing to help out. Whenever my technical knowledge fell short, and I asked for his advice or magic intervention, Fred gave a prompt and effective response."
"Customer focused, proactive and reliable, Fred is an exceptional team player with great leadership skills. I would welcome the opportunity to work with him again in any 'fast paced' technical organization."
"Fred is a wonderful resource for system and security issues and questions. He is a pleasure to know and to work with. I can't recommend him highly enough."
"Fred is a valuable asset in any Systems Group. He enjoys working collaboratively as a member of a team and is equally able to function independently. His experience demonstrates a good balance of systems administration and security skills that would benefit any company."
"Fred was someone that I truly enjoyed working with at Yahoo!. He was reliable, hard working, and technically strong."
"Fred is a smart, capable, and thorough *nix engineer who is a lot of fun to work with."
My Workspace & Tools
How I Work
I believe in creating efficient, secure, and scalable systems. My approach combines deep technical expertise with practical automation to solve complex problems.
Favorite Tools
Work Philosophy
- Automate everything that can be automated
- Security is a process, not a destination
- Document thoroughly for future maintainers
- Test early, test often, test automatically
- Continuously learn and adapt to new technologies
Resources & Recommendations
Homelab
A personal datacenter running production-grade systems — because security engineers should practice what they preach.
Compute
Two Proxmox hypervisors (Ryzen 9 5950X + 7950X, ~250 GB RAM) hosting a 9-node Kubernetes cluster, plus an NVIDIA DGX Spark serving a local 27B model
Network
Full UniFi stack with 8 segmented networks, IPS/IDS, Tailscale VPN, and Traefik reverse proxy
Security
Wazuh SIEM (27 agents), CrowdSec and Cloudflare WAF blocking, a 3-node OpenBao vault, and VLAN segmentation
Observability
Prometheus, Grafana, custom alerting, and an AI-powered management platform
AI & Innovation
A personal passion project — a multi-agent AI platform built from scratch to manage an entire homelab infrastructure.
Meet Thor
Thor is a comprehensive AI platform orchestrating 13 specialized agents and 2 review roles with 490+ tools across 45 tool groups. Built on the Model Context Protocol (MCP) with Claude, failover providers and a self-hosted model, each agent has a distinct personality and area of expertise — from security monitoring and infrastructure management to home automation and media curation.
The system operates autonomously across Discord, Telegram, a web portal, Obsidian, a Mac app and the CLI — with durable tickets, tiered auto-remediation, a RAG knowledge base, and the ability to ship its own reviewed pull requests.
Contact
Get In Touch
Feel free to reach out for inquiries, collaborations, or just to say hello.
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Email: [email protected]
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Location: Roseville, CA
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Website: techunix.com
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