Sirajuddin Abdul Rahiman
Senior Site Reliabilty Engineer
Amsterdam
Summary
Proactive professional with 10+ years of experience and proven knowledge of advanced technology, bench-marking, and IT strategy. Aiming to leverage my skills to successfully be a Linux and Cloud Specialist.
Overview
4
4
Certifications
4
4
years of post-secondary education
12
12
years of professional experience
Work History
Senior Engineer : Linux
Digital14 LLC
Abu Dhabi , Abu Dhabi
07.2020 - Current
- Install, maintain, automate and upgrade in-house software and manage monitoring of various services and ensure availability of these resources.
- Manage large-scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring, and tuning, security hardening, troubleshooting, and production operations.
- Ensure that all documentation is kept up to date and is accessible by rest of the team and provide support and consultancy using appropriate diagnostic tools to all areas.
- Deal with daily operations of online services, including but not limited to firewall, DNS, web servers, and databases.
- Provide tier-3 escalation support for Android phones and backup architecture
- Handle incident management processes and communication in line with Digital14 standards and procedures
- Review configuration management work in accordance with the Change Management procedures.
- Undertake break-fix activities joining high-profile bridges and investigating the root cause. Where appropriate develop mitigation plans. This will include working with Tier Engineering, System Integrators, and Vendors.
- Undertake scheduled preventive maintenance tasks; identify potential system performance and/or reliability issues and proactively design a roadmap to temporary outage prevention and to permanent issue resolution.
- Ensure that all problems are resolved either in a timely manner or ensure that they are escalated to the appropriate management structure.
IT Infrastructure Specialist
Taqniat Intelligent Solutions
Abu Dhabi, United Arab Emirates, United Arab Emirates
02.2017 - 06.2020
- Installation of Red Hat 6 & 7, Oracle Enterprise Linux 7 & Windows operating systems).
- Linux server hardening & Compliance Auditing as per CIS Security Standards.
- Collaborated with IT department to develop infrastructure build-out strategy and outline project scope.
- Develop and automate standard operating procedures around common failure scenarios.
- Monitor,analyze,and report performance statistics for Virtually hosted environments (HyperV & Vmware).
- Consult and contribute to system architecture.
- Installing and Patch management using Redhat Satellite server User and Group policy administration.
- Configuring Managing Multipath & Ethernet bonding.
- Configuring and managing DNS, NTP, NFS shares and CIFS / Samba shares.
- Installing & configuring Apache & Nginx web servers.
- Installing & Managing IBM Rack, Dell, and Cisco UCS hardware Writing shell scripts for housekeeping Linux servers.
- Configuring TCP wrappers and Iptables for securing servers.
- Installing and configuring Nagios with Centreon.
- Monitoring Server logs with Splunk Configuration management using Ansible Automating scripts with CronJobs Assigning Lun to servers from IBM storwize V7000 & V9000 storage.
- Creating and managing LVM disks and multipath.
- Creating and managing Oracle ASM disks.
- Managing in-house Java & .NET applications.
- Configuring Prerequisites to create an Oracle RAC cluster.
- Configuring SSH and password-less logins.
- Taking local backups of File system and Databases.
- Defined strategic objectives to identify requirements and outcomes.
System Administrator
Securetech LLC
Abu Dhabi, United Arab Emirates, United Arab Emirates
05.2015 - 01.2017
- Same as Taqniat's role.
Linux Administrator
Future Focus InfoTech, Capgemini
Mumbai, India
01.2014 - 02.2015
- Installation, Updating, Migration, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning of UNIX Systems.
- (Red Hat, SUSE Linux, Ubuntu) OS patching and updating servers with RedHat Satellite Servers Shell scripting for automation.
- Configuring & Managing RedHat cluster servers Configuring Managing Multipath & Ethernet bonding Creating and Managing Virtual server (VM) with Vmware Vshpere.
- Configuring IBM Tivoli backup client for disaster recovery for Linux server Creating and managing Logical volume manager (LVM) and SAN, NAS Managing Incident with HPSM & server records with Lotus notes IT Service Management (ITSM) based on ITIL best practices.
Linux Administrator
Iksula Pvt Ltd
Mumbai, India
06.2009 - 02.2013
- AWS services administration: IAM, VPC, Route 53, EC2, S3, RDS, CloudWatch Installation and configuration of LAMP for Linux Improve deployment process within AWS (ex.
- Cross-region automated deployment).
- Configuring EDNS & Caching websites through (Akamai, Cloudflarecdn) Configuring & Managing Http accelerator (Varnish, FPC & Turpentine) Configuring & Managing caching service (APC, Memcache, Redis) Configuring , Monitoring & Fine-Tuning Apache & Mysql servers Managing Cyberoam cr200i Firewall 1/2 Profile Professional Background Creating and Managing Virtual server Vmware / Rackspace cloud Installing and Configuring Ticketing tool (OTRS) Managing Mail servers i.e.
- Postfix uucp and zimbra servers.
Altech Technologies, Altnix
Mumbai University
Mumbai, India, India
09.2009 - 11.2013
- Configuring & Managing Amazon’s AWS (Ec2, RDS, S3, Route53, etc)
- Installation & monitoring of Red hat, Open Suse, Cent OS, Fedora
- Configuring Middleware (Apache & Tomcat) servers
- Managing Backup of Linux servers
- Configuring & Managing RedHat cluster servers
- Managing Mail servers i.e. Postfix uucp and zimbra servers.
- Managing LVM
- Configuring Squid proxy servers
- LTSP/PXE Network Installation
- Managing User and Group administration in unix servers
- Software package administration with RPM and Tar ball
- TCP/IP Troubleshooting on Linux network
- Installing and Configuring Ticketing tool (OTRS)
Education
Bachelor of Science - Information Technology
Mumbai University
Mumbai 08.2009 - 11.2013
Skills
Linux OS : Redhat , Suse , Ubuntu
Certification
Redhat Certified Engineer : 120-198-353
Timeline
Senior Engineer : Linux
Digital14 LLC
07.2020 - Current
IT Infrastructure Specialist
Taqniat Intelligent Solutions
02.2017 - 06.2020
System Administrator
Securetech LLC
05.2015 - 01.2017
Linux Administrator
Future Focus InfoTech, Capgemini
01.2014 - 02.2015
Vmware Certified Associate
10-2013
Redhat Certified Engineer : 120-198-353
11-2012
Redhat Certified System Administrator : 120-198-353
11-2012
AWS System operations
02-2012
Altech Technologies, Altnix
Mumbai University
09.2009 - 11.2013
Bachelor of Science - Information Technology
Mumbai University
08.2009 - 11.2013
Linux Administrator
Iksula Pvt Ltd
06.2009 - 02.2013
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