ONUR ARSLAN
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Summary
Systems engineer with over 13 years of experience in infrastructure development for cloud computing platforms. Practiced at transitioning customers from on-premise solutions to cloud-based deployments. Versed in utilising cloud infrastructure to alleviate pitfalls inherent to on-site computing. Provider of smooth, well-planned transition architecture.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Systems Engineer
SOFICO
10.2023 - Current
- FortiManager Administration:Managed and configured FortiManager to add, remove, and update firewall rules
Optimized firewall policies for enhanced security and performance
Monitored and maintained firewall infrastructure for consistent uptime
- VMware Infrastructure:Designed and built VMware hosts to support virtual environments
Configured and maintained vSphere, vCenter, and ESXi servers
Implemented best practices for resource allocation and VM performance
- Active Directory Management:Administered Active Directory (AD) for user and group management
Implemented AD Group Policies (GPOs) for centralised security and configuration management
Managed AD replication and domain controllers to ensure high availability
- Automation with Ansible:Developed Ansible playbooks to automate VM provisioning on VMware
Integrated Ansible scripts with VMware environments for streamlined deployments
Maintained and updated Ansible codebase for consistent automation processes
- Veeam Backup Solutions: Implemented and managed Veeam Backup & Replication for data protection and disaster recovery
- Configured backup jobs, schedules, and retention policies to ensure data integrity
- Performed regular backup testing and recovery drills to validate backup integrity
Systems Architect
Vertel
09.2021 - Current
- Collaborated with clients to determine project specifications and scope
- Developed network and system architecture according to business needs
- Engineered architecture and infrastructure for 50 users
- Provided technical leadership to team members during system design
- Performed quality code review and removed technical debt and security vulnerabilities
- Improved business productivity for clients by re-engineering and designing infrastructures
- Managed and monitored installed systems for highest level of availability
- Monitored and tested application performance to identify potential bottlenecks, develop solutions and collaborate with developers on solution implementation
- Wrote and maintained custom scripts to increase system efficiency and performance time
- Managed installation, upgrade and deployment projects and provided on-site direction for network engineers
- Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.
Systems Engineer
PGi
01.2014 - 09.2021
- Strong knowledge in VMware ESX environment Microsoft Active Directory
- Strong knowledge with SolarWinds, Hostmonitor & VoIPMonitor - Monitoring tools
- Expert knowledge of LAN/WAN systems, networks, and applications
- Cisco Routers and Switches
- Routing, DNS, DHCP & HTTP
- Linux configuration including SuSE, Red Hat, Ubuntu & CentOS
- Batch & PowerShell scripting for automating tasks
- Strong Knowledge in Supporting AWS Cloud Infrastructure Build and deploy application servers using a standard Build
- Experience with Microsoft Visio
- Strong experience with SONUS & ACME Session Border Controllers
- Strong documentation skills including the development of functional specifications, test plans and Network Diagrams
- Experience with MySQL and Microsoft SQL Server
- In-depth knowledge of IP Routing, Quality of Service technologies in a large enterprise organization
- Diagnosed and troubleshooted UNIX and Windows processing problems and applied solutions to increase company efficiency
- Led a team of 3 all over Asia
- Provided documentation on start-up, shut down and first level troubleshooting of processes to Tier 2 staff
- Maintained efficient and smooth department operation by providing team members with information and tools required to perform their job
- Deployment, administration and maintenance of Linux & Windows Server 2003/2008/2012 based production servers
- Involved heavily in the design and architecture in Major projects such as VoIP Site Builds
- This includes designing and deploying a VMware ESX environment
- SSH configuration, tunneling, key management, etc
- Evaluated and responded to incoming sales leads and requests for technical support assistance
- 10 years of technical support experience
- Complied with ITIL standards - Incident and Change Management
- Managed and monitored all installed systems and infrastructure to ensure the highest level of availability
- Installed, configured, tested and maintained operating systems, application software and system management tools
- Support of Dialogic Media Gateways
- Design & Support SONUS & Oracle ACME SBCs
- Design & Support AWS based next Gen Audio SIP/VOIP Conferencing platform
- This includes Dolby Media Servers and FreeSwitch SBCs
- Vmware to AWS Cloud migration globally
- Installed, maintained and supported proprietary VoIP applications
- Diagnosed and resolved complex integrated customer issues for implementation, add-on, maintenance and support of VoIP applications
- Carried out day-to-day duties accurately and efficiently
- Resolved problems, improved operations and provided exceptional service
- Developed team communications and information for meetings
- Exceeded goals through effective task prioritization and great work ethic
- Improved operations through consistent hard work and dedication
- Collaborated with team members to achieve target results
- Worked flexible hours across night, weekend and holiday shifts
- Saved money by implementing cost-saving initiatives that addressed long-standing problems.
Intern
PGi
07.2010 - 10.2010
- Set up PC and Apple desktops and laptops and all types of mobile devices
- Built and provided basic end-user troubleshooting and desktop support on Windows, Linux and Mac systems.
Customer Service Representative
Telechoice Telecommunications
01.2008 - 06.2010
- Responded to all customer inquiries thoroughly and professionally
- Referred unresolved customer grievances to designated departments for further investigation
- Answered customer questions about product availability and shipment times
- Recommended new mobile services to customers, resulting in an increase to add-on business
- Met sales targets
- Documented all customer inquiries and comments thoroughly and quickly.
Education
Bachelor Of Telecommunications Engineering -
University Of Sydney
High School Diploma -
Cranbrook School
Skills
- Excellent verbal communication and interpersonal skills including the ability to manage and work effectively in a team environment
- Excellent diagnostic skills
- Ability to interpret, develop, and administer policies and procedures
- Proven ability to develop and motivate team members Strong understanding of voice and networks
- Especially SIP Protocol
- Ability to work under pressure and to deadlines Adaptability and ability to work on own initiative as well as within a team structure
- Strong written and verbal English Problem solving
- Customer focus Team Player Fast learner
- Well skilled in matching business requirements to technical solutions
- Technical Architecture Design
- Systems Engineering
- Storage virtualization
- TCP/IP protocol
- Firewalls - Fortigate
- Scripting skills
Certification
- ITIL Foundation Certificate in IT Service Management
- CCENT
- CCNA (In Progress)
- AWS DevOPs (in Progress)
Technical Profile
- Python
- Zabbix Monitoring Design & Deployment
- SQL Server
- Docker
- Linux
- Microsoft Office
- SQL
- Bash
- Ansible Automation
- LDAP
- SSH
- Servers
- VMware
- Redhat Linu
- Redhat Virtualization
- Microsoft Windows Server
- Microsoft PowerShell
- AWS
- Azure
- Veeam Backup design
- Splunk Enterprise HA Design & Deployment
- Firewalls - Fortigate
Timeline
Systems Engineer
SOFICO
10.2023 - Current
Systems Architect
Vertel
09.2021 - Current
Systems Engineer
PGi
01.2014 - 09.2021
Intern
PGi
07.2010 - 10.2010
Customer Service Representative
Telechoice Telecommunications
01.2008 - 06.2010
Bachelor Of Telecommunications Engineering -
University Of Sydney
High School Diploma -
Cranbrook School
- ITIL Foundation Certificate in IT Service Management
- CCENT
- CCNA (In Progress)
- AWS DevOPs (in Progress)
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