Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic
Ahmed Saifan

Ahmed Saifan

DevOps Engineer
Kuala Lumpur,14

Summary

Skilled professional with robust background in infrastructure automation, continuous integration, and cloud services. Expertise in scripting, system administration, and container orchestration, ensuring seamless deployments and efficient system operations. Strong focus on team collaboration and adaptability, consistently delivering reliable and effective solutions. Passionate about leveraging technical skills to drive operational excellence and support organizational goals.

Overview

16
16
years of professional experience
3
3
years of post-secondary education
7
7
Certifications

Work History

DevOps Engineer

Raya Digital SDN BHD
Kuala Lumpur, Kuala Lumpur
02.2022 - 08.2024
  • Designed and managed scalable, resilient architectures using EKS and Kubernetes on AWS, ensuring high availability and performance for microservices applications.
  • Set up GitLab runners, automate build/test/deploy pipelines, and use GitLab Auto DevOps for Kubernetes and microservices deployments.
  • Automated infrastructure provisioning and configuration management with Ansible and assisted with Terraform modules for AWS provisioning, reducing operational toil and enhancing deployment speed.
  • Developed and maintained CI/CD pipelines using Jenkins, Groovy, and Maven, integrating SonarQube, resulting in a 30% reduction in deployment time.
  • Implemented monitoring and alerting systems with CloudWatch, Prometheus, and Grafana, integrating health checks into CI/CD pipelines for system reliability and performance.
  • Utilized Kubecost for cost optimization and performance analysis across AWS and Kubernetes, improving resource efficiency.
  • Managed Docker environments, configured Nginx, and optimized system performance across cloud-based environments.
  • Automated the deployment, scaling, monitoring, and integration of Istio and related microservices resources.
  • Automated Jira incident tracking within CI/CD pipelines, creating tickets for build failures and improving the efficiency of issue resolution.
  • Automated log collection deployment (e.g., Promtail with Grafana Loki, CloudWatch) and integrated log shipping into CI/CD pipelines for centralized monitoring and observability.
  • Developed automation scripts for system administration tasks using Bash, Ansible, and Python for infrastructure management.
  • Contributed to defining and tracking SLOs and SLIs, aligning system reliability and performance with business objectives.

Firewall Engineer [ Nokia Project]- Shift Rotation 24/7

DXC Technology
Cyberjaya, Selangor
11.2017 - 04.2020
  • Provide BAU support and services in resolving daily firewall issues from R&M and projects phases.
  • Collaborate with Planners/Testing teams on assigned projects, ensuring comprehensive network and security coverage throughout project execution, perform real-time troubleshooting as required.
  • Implementing rules on Fortimanager 5.6/5.7, algosec Firewall analyzer to optimize the firewall devices performance, implementing rules on more than 110 firewall devices distributed on 9 different data centers.
  • Using ServiceNow ITSM tool, Managing Cisco ASA firewalls via CSM.
  • Directed the overhaul of firewall rule management as part of IT Service Management, resolving 95% of incidents within SLA timeframes and reducing network downtime by 25%.
  • Ensure all firewall related issues or incidents are logged, resolved in the shortest possible time as SLA between customer/supplier will be impacted.

IT & Security System Engineer

TEKLINE for Security Solutions
Sanaa, Yemen
01.2013 - 10.2016
  • Configure and manage Fortigate Firewall, including web filtering, IPS, SSL, NAT, antivirus, and application control.
  • Diagnose network and security issues associated with the firewall.
  • Conduct firmware upgrades and patch management via the Fortigate web interface.
  • Configuring and managing IAM, VPC, NACL, subnets, security groups, Amazon Cloudwatch, Cloudtrail, ec2, VPC flow logs, Route 53, S3, EBS, EFS, ELB, bastion host, RDS, SNS, NAT instance, VPC endpoints.
  • Designed custom scripts to enhance system efficiency and automate task execution, reducing manual intervention time.
  • Configuring and maintain LAN/WAN, software Harris Radio Communication equipment’s on Linux environment along with Mysql 5.6 database, linux system administration such as installation/configuration/ patching/hardening/backup.

Linux System & VAS Administrator

WetaInfotech, known as Max tech
Sanaa, Yemen
04.2010 - 12.2012
  • Deployed kannel SMPP Gateway, Virtual SMSC, ESME; administered Oracle 10g databases.
  • Configured Debian Linux with Snort, logical volume management, backup, recovery and replication of MySQL 5.5.
  • Diagnosed boot and performance issues; managed Linux OS, software, patching.
  • DNS, DHCP, NFS, sendmail, Apache, Samba, SSH, HTTP, APT, NMAP, Puppet.
  • Oracle 10g database administrator.
  • Managing Puppet for configuration management and infrastructure automation.
  • Installing hardware RAID; authored shell scripts for repeated tasks, implemented OS hardening on 12 HP proliant ML110/ML350 G6 servers, used preseeding for Linux server deployment, installed jboss AS 7.1.1, Apache 2.4, phpmyAdmin, MySQL Workbench; implemented DRBD, RADIUS, Squid, zabbix.

System & Network Administrator

LinkInTime
Sanaa, Yemen
03.2008 - 11.2009
  • Responsible for server room operations, Installed server hardware, UPS, and performed memory upgrades.
  • Conducted technical and network surveys, infrastructural audits, and hardware audits.
  • Installed and managed Linux Debian distribution, configuring it as required.
  • Configured MySQL databases, optimizing performance, managing backups, and implementing replication.
  • Monitored network resource utilization and traffic using zabbix for traffic management and analysis.
  • Oversaw servers, including databases, e-mail systems, printers, and backup servers, ensuring their operating systems and software were up-to-date, developed Perl and shell scripts as needed.
  • Practiced network asset management, maintaining inventory and documentation of components along with technical specifications.

Education

Bachelor of Science - Information Technology

Sikkim Manipal University
Bangalore India
06.2003 - 06.2006

Diploma - RF-7800 & RF-7800M Communication System

HARRIS

Diploma - Software Engineering, RedHat Linux Administration, Oracle 9i / Oracle Database

Aptech
Bangalore India

Skills

Linux operating system

Scripting languages

System administration

Infrastructure automation

Security best practices

Maintenance and troubleshooting

Amazon web services

Team collaboration

Certification

Kubecost technical

Timeline

DevOps Engineer

Raya Digital SDN BHD
02.2022 - 08.2024

Firewall Engineer [ Nokia Project]- Shift Rotation 24/7

DXC Technology
11.2017 - 04.2020

IT & Security System Engineer

TEKLINE for Security Solutions
01.2013 - 10.2016

Linux System & VAS Administrator

WetaInfotech, known as Max tech
04.2010 - 12.2012

System & Network Administrator

LinkInTime
03.2008 - 11.2009

Bachelor of Science - Information Technology

Sikkim Manipal University
06.2003 - 06.2006

Diploma - RF-7800 & RF-7800M Communication System

HARRIS

Diploma - Software Engineering, RedHat Linux Administration, Oracle 9i / Oracle Database

Aptech

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