Resume
Dominguez, Terzeus S.
Contact
- +639778090875 (also reachable on Signal, Viber, WhatsApp, Line, SMS/RCS)
- tsdmgz@gmail.com
Summary
DevOps Engineer (more scripting than programming) experience of five (5) years with a System Administrator background. Focused on Linux administration and IT operations. Can work with bare metal machines, virtual servers, and containerized services. Also comfortable in Windows and macOS based environments.
Tech I’ve worked with
I am comfortable in using these during daily operations
| Automation | Ansible, Shell, Python |
| Cloud | AWS |
| Communications | Google Workspace (admin), Slack (admin), Zoom (admin) |
| Containerization and orchestration | Docker, Podman |
| Device management | Apple Business Manager, Mosyle MDM |
| IdP and SSO | Okta (admin) |
| Monitoring | Grafana, Prometheus (and related exporters) |
| Networking | Basic routing and switching, WiFi deployment, TCP/IP, IPv6, Ubiquiti EdgeOS (Vyatta based), Ubiquiti UniFi, pfSense, OpenWRT, Wireshark and tcpdump |
| OSes | Debian and derivatives, openSUSE, RHEL and derivatives, macOS |
| Secrets management | 1Password |
| Services | HTTP(S), recursive DNS, DHCP, SSH, WireGuard, IPMI |
| Source control | Git |
| Ticketing | ServiceNow (user), iTop (user) |
Tech I’m familiar with
Listed here are items which I know a thing or two as a learner and could use some help during production work.
| Automation | Puppet |
| CI/CD | Jenkins |
| Cloud | GCP, Azure, Oracle Cloud, DigitalOcean |
| Containerization and orchestration | LXC, Kubernetes, Mesos |
| Logging | Splunk (user), Graylog (admin) |
| Monitoring | Nagios, Zabbix, nTop |
| Networking | NetFlow |
| OSes | Windows |
| Secrets management | PGP (GnuPG), StackExchange Blackbox, Hashicorp Vault |
| Services | authoritative DNS, Hadoop, Solr |
| Ticketing | iTop (admin) |
Languages I know
| Speaking | Reading | Writing | |
|---|---|---|---|
| Filipino | Native | Native | Native |
| English | Native | Native | Native |
| Mandarin | Beginner | Novice | Novice |
Where I’ve been (work experience)
IT & Security Engineer
OpsWerks
From 2022-06 until 2023-08
First party company helpdesk, SOC, NOC, and on-call support with a team for >100 people and devices in a macOS and Linux environment.
- Served as end-to-end support from diagnosis, fix, or vendor escalation for hardware and software issues encountered by coworkers.
- Worked as on-call support for site infrastructure and network issues.
- Designed wireless and wired networks including network infrastructure services for the company’s three sites.
- Formulated user facing guides for upcoming migrations, common issues, basic security controls, or process changes.
- Administered Okta as the company’s IdP and SSO provider, integrated applications, and configured basic account automation for onboarding and offboarding of people.
- Administered Slack, Zoom, and Google Workspace for the company’s communications suite.
- Fronted as first line support for most line-of-business applications used by the company.
- Conducted IT-specific onboarding orientation sessions and machine deprovisioning during offboarding.
- Upskilled and mentored a junior into this role.
Platform Engineer (DevOps Support)
OpsWerks
From 2018-05 until 2022-06
24x7 L1 and L2 (plus a little bit more) support for different interconnected services comprised of more than a hundred thousand servers around the world with a multinational Silicon Valley company’s private cloud.
- Maintained portions of private cloud platform’s stack from bare metal up to runtime components
- Handled customer concerns relating to the cloud platform runtime up to operations and application debugging during during incidents on real time videoconferences or chat.
- Coordinated with other teams for build and release of platform runtime binaries.
- Diagnosed bare metal hosts for hardware and software issues using Linux native and vendor provided CLI tools.
- Coordinated with different teams across services for infrastructure maintenance or migration.
- Addressed issues thrown by monitoring systems such as stuck machines, application misbehavior, and platform unexpectedness.
- Merged improvements to the Puppet based configuration management system.
System Administrator
Fo Guang Shan Mabuhay Temple
From 2017-04 until 2017-09
Volunteer system administrator. Triaged user, computer, and network issues. Built and implemented tooling to streamline repetitive tasks.
Education
Ateneo de Manila University
AB Chinese Studies - Social Sciences Track
Batch 2017