DNS BENCHMARK
QUERY→RESOLVER
MEDIAN · P95 · P99 · SUCCESS RATE
DNS, measured properly.
A resolver benchmark that keeps the workload fair and the results transparent. Portable Bash, with a native Rust implementation.
Explore projectSENIOR INFRASTRUCTURE & PLATFORM ENGINEER
Emre Özüdoğru.
From bare metal
to the cloud.
I design, automate and operate the systems behind critical services. 15+ years across aerospace, telecom and higher education.
⌁ Brownsville, TX Open to relocation
THE FULL STACK+
01 / HARDWARE02 / PLATFORM03 / OPERATIONS
One connected system.SpaceXboldyn.TurkNetIstanbul Sabahattin
Zaim UniversityIstanbul
University
Zaim UniversityIstanbul
University
01 / SELECTED WORK
Practical problems.
Working solutions.
Tools I build and maintain to make systems easier to understand, automate and operate.
domainsearch / cli
$ domainsearch
--tlds .com,.net
--format json
--cache results.jsonlDomain search, at scale.
A Go CLI for domain availability checks, with a worker pool, resumable caching and structured output.
Explore projectREPEATABLE OPERATIONS
playbook.yml ↗
updateconfigureobserve
LINUX / WINDOWS / MONITORINGMake operations repeatable.
A practical Ansible role collection for updates, monitoring agents, inventory integration and system configuration.
Explore projectIN PRODUCTION
Beyond
the repository.
Selected infrastructure work from the environments I have helped run.
01Distributed DNS at ISP scaleTurkNet+
Designed a distributed resolver architecture using shared service IPs advertised via eBGP, alongside recursive and authoritative BIND infrastructure.
BIND · eBGP · DNS02Bare-metal lifecycle automationTurkNet+
Built Ansible and Redfish workflows for server provisioning and hardware lifecycle operations across Cisco UCS, Dell and HPE.
Ansible · Redfish · PXE03Private Kubernetes in AzureTurkNet+
Deployed private AKS with Azure AD authentication, Azure RBAC, Private DNS, VPN and subnet controls.
AKS · Terraform · Azure04Virtualization modernizationTurkNet+
Led the transition from vSphere 5.5 to 7.0 on new blade servers, including compatibility checks, cutover sequencing and rollback planning.
vSphere · Storage · Migration05Identity & recovery foundationsTelecom & higher education+
Delivered AD/Azure AD integration, ADFS/SSO, IPA-to-AD trust, Microsoft 365 migrations and Veeam immutable backup patterns.
Active Directory · Veeam · SSO06Launch infrastructure operationsSpaceX+
Worked across rack deployment, hardware validation, server and switch configuration, incident investigation and controlled change.
Linux · Arista · NTP/PTP02 / EXPERIENCE
Built on real
operating experience.
From campus infrastructure to ISP platforms and launch systems. Hands-on throughout.
Oct 2025 — Jul 2026Starbase, TexasSpaceX
IT Systems Administrator, Launch
+
SpaceX
IT Systems Administrator, Launch
Mission-critical launch infrastructure, from rack deployment to production operations.
- Built and validated server-and-switch racks, coordinating power and upstream connectivity dependencies.
- Operated Linux, Windows and Arista EOS, including DNS/DHCP, identity and NTP/PTP services.
- Automated controlled fleet changes and post-change validation with Ansible, Python, Bash and PowerShell.
May 2023 — Jun 2025New York, New YorkBoldyn
Senior Systems Engineer
+
Boldyn
Senior Systems Engineer
High-availability systems and cloud operations for production telecommunications services.
- Provided 24×7 L2–L4 escalation across Linux, physical, virtual and AWS infrastructure.
- Owned maintenance, patching, upgrades, backup/recovery and configuration management.
- Used Zabbix and system telemetry to troubleshoot service degradation, coordinating vendors and field teams.
Mar 2019 — May 2023Remote · TürkiyeTurkNet
Senior Cloud Infrastructure Engineer
+
TurkNet
Senior Cloud Infrastructure Engineer
ISP-scale infrastructure, multi-cloud platforms and technical leadership of an eight-person team.
- Cloud Infrastructure Engineer, Mar 2019–Jan 2022; Senior Cloud Infrastructure Engineer, Jan 2022–May 2023.
- Designed distributed DNS services using shared service IPs advertised through eBGP.
- Led vSphere 5.5-to-7.0 modernization, bare-metal automation and cloud/identity projects.
- Worked across Linux, Kubernetes, VMware, storage, AWS, Azure and GCP.
Feb 2013 — Nov 2017Istanbul, TürkiyeIstanbul Sabahattin Zaim University
Infrastructure Engineer / System Specialist
+
Istanbul Sabahattin Zaim University
Infrastructure Engineer / System Specialist
Primary infrastructure engineer across campus systems, identity, virtualization and backup.
- Delivered Active Directory redesign, Office 365 migration and Hyper-V-to-VMware migration.
- Worked on IPv6, Eduroam/RADIUS, ADFS/SSO, Veeam and enterprise storage.
- Coordinated help desk work, infrastructure moves and vendor delivery.
Nov 2005 — Feb 2013Faculty of Science · Part-timeIstanbul University
System Administrator / Technical Staff Manager
+
Istanbul University
System Administrator / Technical Staff Manager
Faculty IT operations and coordination of up to 20 part-time technical staff.
- Operated Windows Server, Active Directory, Hyper-V, DNS/DHCP and web infrastructure.
- Delivered directory migrations, deployment services, SharePoint, WSUS and PKI projects.
- Documented technical procedures and coordinated day-to-day support work.
Earlier consulting & additional experience+
GTA Information Technologies · 2010–2013
Corporate System Consultant — end-to-end IT solutions for small and medium-sized businesses.
SkyAtlas · 2019
OpenStack and System Administrator.
03 / TECHNICAL RANGE
The whole system
is the job.
I connect the details across hardware, operating systems, networks and services.
01
Systems & compute
From the rack to the hypervisor.
Linux · Windows Server · VMware · KVM/QEMU · Proxmox · Hyper-V · vSAN/VxRail · BMC / Redfish
02
Cloud & automation
Infrastructure that can be repeated.
AWS · Azure · GCP · Kubernetes · Docker · Terraform · Ansible/AWX · Python · Bash · PowerShell
03
Network & storage
Understand the dependencies.
BIND / DNS · BGP · Arista EOS · IPv6 · RADIUS · Ceph · ZFS · SAN / NAS · Veeam
04
Reliability & operations
Observe, investigate, improve.
Zabbix · Prometheus · Grafana · Incident response · RCA · Change validation · Capacity planning
04 / A LITTLE ABOUT ME
Curious by default.
Practical by habit.
I like understanding how a system works, where it can fail, and how to make the next change more predictable.
My work combines hands-on engineering with technical leadership: building infrastructure, investigating incidents, writing automation and helping teams make informed decisions.
Outside production work, I experiment with local LLMs, GPU-backed inference and agent workflows using an RTX 4080, Ollama and Open WebUI. I also write — technical notes, and occasionally historical fantasy.
ON MY WORKBENCH
Rust · DNS tooling · Local LLMs · Infrastructure automation
EDUCATION
2020M.S. Computer Sciences
M.S. Computer Sciences
and Engineering
Istanbul Sabahattin Zaim University
2022B.S. Management
B.S. Management
Information Systems
Anadolu University
2013Bachelor of Business
Bachelor of Business
Administration
Anadolu University
Credentials & continued learning
LinkedInAWS Certified Solutions Architect – Associate
May 2025 — May 2028 · Active
Zabbix Certified User 6.0
Issued June 2024
Hurricane Electric IPv6 Sage
Issued April 2009
Azure Administrator Associate
2021 — March 2025 · Expired
Additional training: Intro to Splunk (2026), IBM Introduction to Enterprise Computing (2025), Cisco Introduction to Networks and Introduction to Cybersecurity (2021).
OPEN TO THE NEXT CHALLENGE
Let’s build something
that lasts.
Senior infrastructure, platform and reliability roles.
Based in Brownsville, Texas. Open to relocation.
[email protected]
Authorized to work in the U.S.
No sponsorship required.