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$35 hourly
Bibin M.
- 5.0/5
- (3 jobs)
System administrator with 15+ years of experience in various OS platforms. Have experience with all the popular technologies like Puppet, ansible, powershell etc. to simplify day to day system administration. Highly concerned about the security of the infrastructure and providing importance to security updates and bug fixes by daily monitoring. I can do UNIX (Linux & Solaris) and Windows administrative tasks individually. Always love to automate the work load by scripting, Redhat satellite with Puppet/Ansible and through powershell. I have experience in Redhat Satellite installation, configuration, upgrades and trouble shooting. Also experienced in OS upgrades, P2V or V2V migration, LDOMS, Axway Secure Transport administration, Exchange administration and AD/Azure AD administration. I have taken below Certifications and some of them have expired now. 1. Sun Certified System Administrator for Solaris 10 2. Cisco Certified Network associate (CSCO11151430) 3. Redhat Certified Engineer (150-108-090) 4. AWS Certified SysOps Administrator – Associate 5. Microsoft Certified System Engineer (3561481)

Red Hat Administration
Solaris Administration
Red Hat Enterprise Linux
Satellite Image
User Identity Management
Puppet Administration
Red Hat Certified Engineer
Microsoft SCOM
Linux System Administration
Microsoft Exchange Server
$83 hourly
Kamal N.
- 0.0/5
- (0 jobs)
With over 13 years of experience as a Server Administrator and DevOps Consultant, I am passionate about optimizing IT infrastructure and driving digital transformation. As an expert in WebSphere, JBoss, Apache, and Tomcat, I have managed complex environments and ensured seamless deployments for critical applications. My proficiency in Oracle databases and UNIX systems, coupled with my skills in security and DevOps automation, enables me to tackle complex challenges efficiently. I am also experienced in integrating cloud solutions, enhancing system performance, and managing IT projects. As a freelancer on Upwork, I am dedicated to delivering tailored solutions and high-level expertise to propel your projects to success. My proactive approach and commitment to excellence make me the ideal partner for your IT needs

Red Hat Administration
Azure DevOps
GitLab
GitHub
Amazon EC2
AWS Lambda
Ansible
Terraform
Oracle Database Administration
Unix System Administration
Unix Shell
Docker
Kubernetes
Red Hat
CI/CD
$10 hourly
A S M K.
- 4.9/5
- (41 jobs)
If you are looking for a dedicated and expert Linux system administrator, then this is the right profile you are looking at. I am an IT professional with 7+ years experience in Linux and Unix administration and engineering. I am looking for both long-term and short-term work to help with implementing, configuring, monitoring, troubleshooting, and/or scripting/automating systems, deploying applications, or just helping find solutions to fit the clients needs. As a Systems Engineer, I am good at troubleshooting, Amazon Web services, Red Hat Linux, Cloud, doing research and learning about new tools/technologies to achieve the requirements efficiently. Automation is one of the vital skills that I possess and have employed throughout my career as an administrator/engineer, using various tools (mostly Bash scripts and Ansible). ====================================== Linux Skills [ Red Hat, CentOs, Fedora, Debian ] ====================================== - Complete ISP setup - SSH and security - Apache & Nginx - Bonding and Teaming, Link Aggregation, - LDAP server, Integration with Active Directory, Identity-management (IPA server) - Dynamic and Power DNS - Bash scripting - Automation - Routing Protocols (ospf,bgp) - Docker - MariaDB & MySql - Puppet - Monitoring Tools (Nagios, Cacti) - Scripting ============================================== Linux Security ============================================== - Firewalld, Iptables - POSIX access control lists - Udev rules - Implementing SELINUX booleans and contexts - File system encryption - Implementing 'Advanced Intrusion Detection Environment' - Implementing 'Pluggable Authentication Module' - System Auditing ============================================== Bare metal Virtualization ============================================== - RHEV Hypervisor - RHEV manager - Storage Support with Fiber Channel ================ Red Hat Openstack ================ - load-balancer-as-a-service (LBaaS) in OpenStack Neutron - Ceph block device (RBD) and Ceph object gateway (RADOSGW) - ceph with glance and swift - Object storage, Persistent block-level storage, - Virtual-machine provisioning engine and image storage, Authentication and Integrated networking - Ceph integration with Openstack - VXLAN, VLAN and GRE ================== Hybrid Cloud Storage ================== - Install and configure Red Hat Storage Server - Create and manage different volume types - IP failover for file sharing servers - Geo replication - Swift - Hadoop plugin ======== Clustering ======== - Pacemaker and Corosync - GFS2 file systems - Configuring High Availability Clustering and fail over Clustering. ====== CISCO ====== - Cisco SOHO and branch office routers: Cisco 800, 1700, 1800, 1900, 2800, 3600, 3700, 3800 series - Cisco service provider routers: Cisco 7200, 7300, 7500 - Cisco Catalysts switches: 2950, 2960, 3550, 3560, 3750, 3800 - Cisco ME series switches: 3400 Experienced in configuring: =========================================================== - Routing: IGP (EIGRP, RIP, OSPF), BGP, NAT, PAT, PBR, MPLS (MPLS-VPN, EoMPLS, VPLS) - Switching: VLANs, VTP, dot1q, q-in-q, Rapid PVST+, MSTP. - Network security: VPNs (IPSEC, IPSEC/GRE), ACLs, Layer 2 Security Features (port security, - High Availability: HSRP, VRRP, GLBP, Etherchannel, IP SLA. - WAN: PPP, PPPoE, PPP Multilink, HDLC. - QoS: Traffic policing and shaping, traffic prioritization. - Cisco PIX: NAT, Failover, Remote VPN, ACLs. MikroTik Router ============= - Installation - Mangle and Firewall - Bandwidth Distribution - Hotspot - Filtering

Red Hat Administration
Linux
System Administration
DevOps
MySQL
CentOS
Bash Programming
Linux System Administration
Docker
Python
Cisco Router
Ubuntu
Amazon EC2
Cluster Computing
$28 hourly
Prasath U.
- 0.0/5
- (0 jobs)
I am a cybersecurity analyst and IT support specialist with hands-on experience in network security, incident response, and technical troubleshooting. My expertise includes securing enterprise environments, configuring firewalls, monitoring SIEM solutions, and ensuring business continuity through proactive security measures. Troubleshooting Windows, Linux, and cloud platforms Virtualization & cloud computing (Azure, AWS) Network configuration (EIGRP, OSPF, VLANs) End-user support & ticket management.

Red Hat Administration
Technical Case Study
Cybersecurity Tool
Cyber Threat Intelligence
Tech & IT
Technical Support
Server
Technical Project Management
Phone Communication
Customer Service
$25 hourly
Bhupinder D.
- 0.0/5
- (1 job)
Computer programmer with Diploma from CDI college with 93% marks. Worked as Programmer for Ironwood Computers in Canada for year on UNIX/ZIM. Created, modified, debugged Forms Inventory Software and Databases, reports for Sears Canada. Provided technical support for software. Junior Programmer - Administrator. Having passed Mysql, PHP, Wordpress, HTML, CSS etc from upwork .com about 10 certifications. Part time past google adsense publisher, alos for amazon.ca. Ability to create and modify wesites in HTML, CSS, Wordpress, MySQl etc. Audio , video embed in pages. File conversion . Use of FTP, LAMPP, WAMP, XAMPP , Apcahe2 literate ! Have live web sites with wordpress, blogger etc. Several php - mysql of my own software created ! and more

Red Hat Administration
Microsoft Word
Windows XP
MySQL
WordPress
HTML
CSS
JavaScript
PHP
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