Baher Gerges
Senior DevOps Engineer
Epping,NSW
Summary
Creative technologist with 15 years expertise in diverse range of technologies with industry settings. ITIL Expert with in-depth knowledge of ITSM processes. Business-oriented with extensive experience designing, implementing, operating and improving information systems.
Overview
15
15
years of professional experience
Work History
Senior DevOps Engineer
Datacom
05.2022 - Current
- Maintained metrics visibility using Prometheus/Grafana to create useful dashboards and monitors.
- Utilized Puppet tool to efficiently configure and deploy large numbers of managed agents.
- Worked closely with Aged Care Health Australia to understand and resolve their needs.
- Drove development culture within the team and acted as an inspiration by taking up managerial tasks from my team leader.
- Coordinated deployments of new software, feature updates and fixes.
- Managed the availability and performance of PaaS servers for Aged Care department's developers.
- Automated the whole patching process and tools upgrading via Puppet configuration.
- Built workflows on vRO and integrated it with vRA for ease of usibility.
Site Reliability Engineer
IBM
02.2021 - 05.2022
- Globally operate and maintain IBM Cloud Software as a Service offerings (IBM Cloudant, PostgreSQL, Redis, Elasticsearch, ETCD , MongoDB, RabbitMQ, Apache Kafka)
- Constant creation of operational runbooks, creation & review of pull requests for code enhancements.
- Improved operation by developing scripts that performed routine tasks on our databases.
- Hands-on experience with Kubernetes, Jenkins, Linux and Github.
Site Reliability Engineer
Amadeus IT Group
02.2016 - 02.2021
- Transitioned the CPL (Customer Profiles) service to Amadeus Cloud Services (ACS) successfully.
- Led AWS cost optimization strategies by using EC2 Reserve & Spot instances to manage workloads. In addition to configuring Autoscaling Groups.
- Decreased storage costs by utilizing S3 Intelligent Tiering - which resulted in a 28% decrease.
- Participated in Change Advisory Board (CAB) to discuss high-risk non-standard changes, and Freeze Breaker Committee (FBC) to discuss emergency changes.
- Risk assessment and mitigation by mapping dependencies in CMDB CI's and articulating business impact.
- Review, approve, schedule, implement and validate standard software releases and functional changes, ensuring compliance of ITIL change management process.
- Introduced Time Initiated Loads (TIL) to Amadeus platforms as more efficient/automated way to load software releases, which in turn saved huge amounts of time and effort.
- Managed to decrease total number of high priority incidents resulting from changes in 2018 by 21%.
- Continual service improvement plans to increase efficiency and reduce mean time to recover.
- Daily incident and problem management to fix issues and provide root cause analysis.
- Proactive monitoring of services and event management to anticipate potential problems.
Service Manager
Vodafone International Services
04.2013 - 08.2015
- Managed Vodafone's Telecom Expense Management service (TEM). TEM is a spend manager web application that allows its clients to manage and control their telecom expenses.
- Managed a team of 4 engineers and crafted tailored development plans for each resource.
- End-to-end service representation across company by coordinating communication among staff, service review meetings with business managers, acting as point of escalation for major customer incidents and working closely with R&D teams on operational issues to get them resolved within SLA.
- Performed KPI reviews and participated in setting up Service Level Agreements (SLAs) & Operational Level Agreements (OLAs). Ensured achieving KPIs by meeting required SLAs & OLAs.
- Participated in Service Design phase and ensured its entry in Service Catalog is up-to-date.
- Operational Acceptance Testing (OAT) for new releases by performing functional and regression tests.
- Continual Service Improvement (CSI): Service measurement, gap analysis & detection of service defects.
Second Line Support Engineer
Vodafone International Services
01.2010 - 03.2013
- Responsible for Vodafone's Enterprise & Collaboration services and taking appropriate actions upon any service outage or performance degradation abiding by ITIL standards.
- Met high availability SLA's of applications and their hosted servers on both Windows & Linux platforms.
- Recovered Vodafone's global services within 12 hours after major corruption in its data centre.
- Managed all system components including Apache, IIS, Tomcat, Weblogic and JBOSS.
- Fixed infrastructure connectivity issues (DNS,Proxies,Firewalls,Routing) between clients & applications.
- Participated in various Vodafone projects, data migrations, clean-ups and service decommissioning.
- Standard Database Requests: Backup, recovery, data encryption, password protection & access restrictions.
First Line Support Engineer
Vodafone International Services
06.2008 - 12.2009
- IT Support for Vodafone's global applications (Intranet, Teamrooms, DMS, SSO, Wiki, IDM).
- As Shift Leader: Distributing workload among team members, handling escalations.
- User Access Management: Fixed authentication issues between Active Directory & global applications.
- BMC Remedy Configuration and Administration
Education
Diploma - Information Security
Information Technology Institute
Cairo, Egypt06.2008
Bachelor of Engineering - Computer Engineering
Tanta University
Gharbiya, Egypt06.2007
Skills
- Cloud: AWS Certified Solutions Architect & IBM Cloud
- Security: Diploma in Information Security
- Networking: CCNA Certified
- OS: RHCE Certified & MCSA Windows Certified
- DB: MCSA SQL Server Certified & OCP Certified
- Virtualization: vSphere & vRA & vRO
- Containerization: Kubernetes & Docker
- Monitoring: Grafana & Prometheus & Splunk
- CI/CD: Jenkins, GitLab and GitHub
- Configuration Management: Puppet & Ansible
- Process Management: ITIL V3 Expert Certified & Agile
- Scripting: Shell & Python
Timeline
Senior DevOps Engineer
Datacom
05.2022 - Current
Site Reliability Engineer
IBM
02.2021 - 05.2022
Site Reliability Engineer
Amadeus IT Group
02.2016 - 02.2021
Service Manager
Vodafone International Services
04.2013 - 08.2015
Second Line Support Engineer
Vodafone International Services
01.2010 - 03.2013
First Line Support Engineer
Vodafone International Services
06.2008 - 12.2009
Diploma - Information Security
Information Technology Institute
Bachelor of Engineering - Computer Engineering
Tanta University
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