Highly skilled IT Specialist with over a decade of experience in Unix/Linux system administration, specializing in automation through Ansible and shell scripting. Proven leadership in spearheading system security initiatives, disaster recovery, and software updates across critical customer environments. Certified in Red Hat, Ansible, OpenShift, and Azure administration, with a strong background in managing high-availability clusters and hardware partitioning on enterprise systems. Recognized for problem-solving abilities, team leadership, and providing on-call support for mission-critical operations. Demonstrated expertise in guiding technical teams, managing high availability clusters, and driving operational excellence. Excellent communication skills and a collaborative approach to effectively work across teams and with clients.
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Senior Lead Systems ManagementKyndryl Jul 2024 - Nov 2024Ottawa, Ontario, Canada -
Senior Lead, Systems ManagementKyndryl Nov 2021 - Sep 2024Brno, South Moravia, Czechia -
Technical SpecialistIbm Nov 2016 - Nov 2021District Brno-City, Czech RepublicUnix/Linux System AdministratorPerform installation, customization, and maintenance of the operating system and system software products in support of business processing requirementsTesting and installing software updates and patchesImplement appropriate levels of system securityPrescribe system backup/disaster recovery solutions and direct recovery operationsStorage managementUsers managementSLS (Secure Login Service) administration using RCM(Reliable… Show more Unix/Linux System AdministratorPerform installation, customization, and maintenance of the operating system and system software products in support of business processing requirementsTesting and installing software updates and patchesImplement appropriate levels of system securityPrescribe system backup/disaster recovery solutions and direct recovery operationsStorage managementUsers managementSLS (Secure Login Service) administration using RCM(Reliable Configuration Management)Performing Manual health check of servers and timely closure of violations Show less -
Senior System EngineerHcl Technologies Jun 2015 - Nov 2016Mumbai Area, IndiaClient Site: Reserve Bank of India, Khargar Navi Mumbai – India.The Reserve Bank of India is India's central banking institution, which controls the monetary policy of the Indian rupee. It commenced its operations on 1 April 1935. RBI uses higher end fault tolerant systems for its production environments, uses HP 16 way Super Dome clustered servers, RX6600 & RX2660 (2 node cluster) for its non-payment- Financial & non-Financial systems. HP Data Protector Software to backup the Mission… Show more Client Site: Reserve Bank of India, Khargar Navi Mumbai – India.The Reserve Bank of India is India's central banking institution, which controls the monetary policy of the Indian rupee. It commenced its operations on 1 April 1935. RBI uses higher end fault tolerant systems for its production environments, uses HP 16 way Super Dome clustered servers, RX6600 & RX2660 (2 node cluster) for its non-payment- Financial & non-Financial systems. HP Data Protector Software to backup the Mission critical data.Site is running with XP24K storages to satisfy the disk space requirement and to ensure the availability. Job Responsibilities:• Configuration, Implementation & Administration of servers running HP-UX 11i-V3 at Primary site(Khargar), ODC(Belapur) site and DR(Nagpur) sites.• Installation & Configuration of High Availability Cluster installed on ‘HP Superdome, RX6600 & RX2660 running with HP-UX 11i & MC/Service Guard.• Installing and Configuring HP-UX 11i OS. • Installation & support of Virtual Partitions (Vpar) & Hardware Partition (Npar) installed on HP servers.• Performing proactive system maintenance by monitoring server logs, cluster log, EMS log & installing updated patches.• Co-ordinate with the team to perform the Business Continuity Test (BCP/DR drill) • Upgradation and migration of production / development servers.• Creation of users and groups • Managing disks and file system using LVM (Logical volume Manager) • Configuring kernel parameters and performance tuning of the system.• Installation of software products, patches etc through HP SD-UX utility.• Monitoring of system using Glance Plus & HP System Insight Manager • OS Hardening • Backup and restoration of database by using data protector• Ignite backup & restore using Ignite – UX • Dynamic Root Disk Mirroring (DRD) Show less -
Sr. System AdministratorThe Clearing Corporation Of India Limited Apr 2013 - Jun 2015Mumbai Area, IndiaSalient Features of the Project:CCIL was incorporated on the 30th of April, 2001, as the country’s first clearing house for the government securities, other debt instruments and forex transactions. CCIL has commenced operations with the clearing and settlement of trades in government securities from February 15, 2002 and promoted by major financial institutions. CCIL uses higher end fault tolerant systems for its production environments, uses HP 16 way Super Dome clustered servers (2… Show more Salient Features of the Project:CCIL was incorporated on the 30th of April, 2001, as the country’s first clearing house for the government securities, other debt instruments and forex transactions. CCIL has commenced operations with the clearing and settlement of trades in government securities from February 15, 2002 and promoted by major financial institutions. CCIL uses higher end fault tolerant systems for its production environments, uses HP 16 way Super Dome clustered servers (2 node cluster) for its online trading and settlement systems.Job Responsibilities:• Configuration, Implementation & Administration of servers running HP-UX 11i-V3 at Primary site (Dadar), NR (Kurla) site and DR(Pune) sites.• Installation & Configuration of High Availability Cluster installed on ‘HP Superdome running with HP-UX 11i & MC/Service Guard.• Installing and Configuring HP-UX 11i OS. • Installation & support of Virtual Partitions (Vpar) & Hardware Partition (Npar) installed on HP servers.• Responsible for maintenance & troubleshooting of Storage Area Network (SAN) Configuration i.e. for HP EVA & Hitachi VSP• Configuration/Zoning of San Switches• Performing proactive system maintenance by monitoring server logs, cluster log, EMS log & installing updated patches.• Co-ordinate with the team to perform the Business Continuity Test (BCP) • Upgradation and migration of production / development servers.• Creation of users and groups • Managing disks and file system using LVM (Logical volume Manager) • Configuring kernel parameters and performance tuning of the system.• Installation of software products, patches etc through HP SD-UX utility.• Monitoring of system using Glance Plus , HP System Insight Manager & Hitachi Tuning Manager• OS Hardening • Backup and restoration of database by using data protector• Ignite backup & restore using Ignite – UX • Dynamic Root Disk Mirroring (DRD) Show less -
Hp-Ux System AdministratorHewlett Packard Sep 2011 - Apr 2013Level 1 (HP-Managed Services; State Bank of India Foreign Offices Core Banking Services at CBD Belapur Mumbai – India. Job Profile: Joined as HP-Unix System Administrator in Hewlett Packard (India) for the State Bank of India Foreign Offices Core Banking Services Global project Mumbai – India. Primary responsibility as the Unix System Administrator is to maintain the SLA (Service Level Agreement) guided UNIX Service delivery, based on HP ITIL processes… Show more Level 1 (HP-Managed Services; State Bank of India Foreign Offices Core Banking Services at CBD Belapur Mumbai – India. Job Profile: Joined as HP-Unix System Administrator in Hewlett Packard (India) for the State Bank of India Foreign Offices Core Banking Services Global project Mumbai – India. Primary responsibility as the Unix System Administrator is to maintain the SLA (Service Level Agreement) guided UNIX Service delivery, based on HP ITIL processes for the State Bank of India project. Job Responsibilities:SBI set up comprises of HP-UX, Itanium & PARISC Servers and my role is installation & administration of OS, server hardening , data restoration from old serves to new servers.Root Volume Group mirroring setup on all UNIX servers for redundancy.Security Lockdown of UNIX servers. Performed server hardening and security lockdown of UNIX servers as per the Bank’s security policy and recommendations from security consultant, Paladion.Implementing the Patching Activity on UNIX server’s quarterly basis for DC as well as DR.File system expansion activity on production servers at weekly basis or monthly basis as per requirement of customer.Handle change and configuration management for UNIX servers and SAN infrastructure.User/Group Management in Command LineBackup and restoration of database by using data protectorRestoration of data, through data Protector as per the requirements of clientParticipate in internal and external audits.Remote Administration of Disaster Recovery Site.Weekly or Monthly Ignite Backup execution as per policy.Co-ordinate DR tests under the guidance of the Project Delivery Head. Show less
John Jacob Education Details
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Bachelor Of Engineering
Frequently Asked Questions about John Jacob
What is John Jacob's role at the current company?
John Jacob's current role is Senior Lead, Systems Management at Kyndryl.
What schools did John Jacob attend?
John Jacob attended Anna University Chennai.
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John Jacob
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