Sajjad Hosseinzadeh
DevOps Consultant | Cloud & Infrastructure
Salary / Daily rate
Freelance, open to permanent contract
Skills
Languages
About me
Intro
DevOps consultant with 7+ years experience in cloud infrastructure and platform engineering. Specialized in OpenStack, Kubernetes, AWS, and automation using Ansible/Terraform. Expert in CI/CD optimization and infrastructure monitoring solutions that reduce deployment times and improve system reliability.
Work experience
Tecnotree Corporation
Jul 2022 - Present
4 years 4 months
Muscat, Oman
DevOps Engineer
Mar 2025 - Present
1 year 8 months
Muscat, Oman
DevOps Engineer
Jul 2022 - Mar 2025
2 years 9 months
Provided L2+ support for OpenStack platforms including compute, network (Neutron/OVS), and Cinder storage. Maintained Linux servers, performed kernel-level tuning, systemd service management, and debugging. Managed KVM virtual machines using libvirt; deployed VMs for internal services and testbeds. Deployed and administered DNS (Bind), NTP, and SAN-backed storage solutions. Automated operational tasks using Ansible and Bash; initiated infrastructure monitoring and alerting. Documented infrastructure topology, standard procedures, and recovery playbooks.
Artificial Intelligence Researcher
TOSAN TECHNO
Jun 2021 - Jul 2022
1 year 2 months
Developed and maintained backend APIs using Python in the AI R&D department. Integrated cloud-native services with internal platforms and handled microservice deployments. Collaborated with DevOps to containerize applications and optimize CI pipelines.
Research And Development Engineer
ADP Engineering
Jun 2019 - Jul 2021
2 years 2 months
89290 Irancy, France
Built and maintained embedded C firmware and C# GUI applications for medical imaging systems. Involved in hardware diagnostics, performance tuning, and cross-platform integration.
Field Service Engineer, MRI Departement
Tajhizat Pezeshki Pishrafteh
Aug 2016 - Dec 2016
5 months
Tehran, Tehran Province, Iran
Education
Sharif University of Technology
Master's degree
2011 - 2014
2 years 7 months