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UNIX/LINUX SYSTEMS ADMINISTRATOR & APPLICATIONS SUPPORT ANALYST
Ejimofor Nwoye
,
London, United Kingdom
Experience
Other titles
Skills
I'm offering
I possess over ten years cognate experience and training, scoping, installing, configuring, validation and testing, deploying and supporting mission critical web/business applications and data systems, hosted on industrial strength UNIX/LINUX servers platforms, within client/server and distributed enterprise computing environments, including AWS, GCP, Microsoft Azure and the IBM Cloud computing frameworks. I also have good working skills supporting business applications hosted on the Microsoft WIN2K server platforms and Workgroup domains, within integrated and mixed computing environments.
In addition to solid UNIX/LINUX programming and administration, kernel level tuning and server optimal performance monitoring, automated CI/CD data orchestration pipelines and release management, SAN/NAS data archiving, TCP/IP networking and security skills, I equally possess good analytics, communications and documentation skills gained with team leadership experience within ITIL certified service management frameworks.
In addition to solid UNIX/LINUX programming and administration, kernel level tuning and server optimal performance monitoring, automated CI/CD data orchestration pipelines and release management, SAN/NAS data archiving, TCP/IP networking and security skills, I equally possess good analytics, communications and documentation skills gained with team leadership experience within ITIL certified service management frameworks.
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Industries
Language
English
Fluently
Ready for
Available
My experience
2018 - ?
temp
Platform Engineering & Support Services Administrator
aegis of CAPITA Plc.
(Contract)
Engineering, Support, Administrator
2019 - 2019
freelance
ICT/MIS Instructional Facilitator, Training Contractor & Technical Writer
The Knowledge Academy (UK) Ltd.
London (www.theknowledgeacademy.com) - under the aegis of EXCENDO (EMEA); http://excendo.com
POSITION HELD: ICT/MIS Instructional Facilitator, Training Contractor & Technical Writer
NATURE OF DUTIES: Engaged in the preparation and provision of vocational/professional training and certification, to qualifying candidates and delegates. Assisted in the technical preparation of course materials, modules and specific documentation. Assisted in the provisioning of requisite computing and networking environments. Some areas of specialist tutorial interest include: (1).Administering LINUX Systems, (2).AWS Developer Associate Certification Training; AWS Advanced Architecture Certification Training, (3).Google Analytics and (4).RDBMS Queries with SQL, (5). Certified Agile DevOps Professional Training, and (6). Certified IT Service Management (CITSM) Training.
POSITION HELD: ICT/MIS Instructional Facilitator, Training Contractor & Technical Writer
NATURE OF DUTIES: Engaged in the preparation and provision of vocational/professional training and certification, to qualifying candidates and delegates. Assisted in the technical preparation of course materials, modules and specific documentation. Assisted in the provisioning of requisite computing and networking environments. Some areas of specialist tutorial interest include: (1).Administering LINUX Systems, (2).AWS Developer Associate Certification Training; AWS Advanced Architecture Certification Training, (3).Google Analytics and (4).RDBMS Queries with SQL, (5). Certified Agile DevOps Professional Training, and (6). Certified IT Service Management (CITSM) Training.
Management, Http, Google, Facilitator, Developer, It, Architecture, Service, Service Management, Analytics, Sql, SoMe, Agile, Training, DevOps, Networking, AWS, Linux, Google analytics
2011 - 2013
freelance
ICT/MIS Consultant & Systems Administrator
E-Tech Business Solutions Ltd & iT4Communities.
NATURE OF DUTIES: The scope and network design, implementation and management of LAMP (i.e. Linux, Apache/Tomcat, MySQL, Perl/PHP/Python) stacks and 'open source' solutions to voluntary organisations, charities, Small and Medium sized Businesses (SMB), within Greater London, encompassing the installation, configuration, testing, deployment and administration of Web/Application servers (Apache/Tomcat/GlassFish), SMTP/DNS and SAMBA based file and print servers hosted on Solaris and Linux (RHEL/Centos, Oracle Linux, Suse, GNU/Debian & Ubuntu distributions) virtual server platforms, within heterogeneous and distributed computing environments. The installation, configuration and maintenance (i.e. replication, backup & recovery) of Oracle and MySQL relational database management systems, hosted on Sparc/Solaris and x86/64 Intel Xeon based Linux servers. The deployment and administration of Content Management Systems (CMS). The provision of 2nd and 3rd line support to Application Development Programmers in an Agile environment, in test and code deployment processes (release management), on both pre-production and production environments (live) on hybrid 'Cloud' platforms.
Testing, Network, Ubuntu, Open source, Tomcat, Implementation, Support, Network design, Development, Backup, Content, CentOS, Debian, Web, Server, Production, Administrator, Smb, Hybrid, Processes, Deployment, Php, Mysql, Python, Linux, Administration, Oracle, CMS, Agile, Content Management, Design, Database, Cloud, Print, Apache, DNS, Management, Test, Perl
2010 - 2011
freelance
ICT/MIS Consultant & Systems Administrator (Middleware Systems)
GAVS Technologies (Europe) Ltd.
(Working for www.SportingbetPLC.com)
POSITION HELD: ICT/MIS Consultant & Systems Administrator (Middleware Systems)
NATURE OF DUTIES: Implemented and managed a 'three-tier' proof-of-concept, with development and test environments (UAT/LAT), for the deployment of business applications on Oracle WebLogic 11g, Oracle SOA Suite 11g and Oracle Coherence 11g (part of the ORACLE Fusion/Middleware 11g stack) and Oracle 11g RDBMS, hosted on virtualised (VM) Redhat Enterprise Linux (RHEL) 5.x and SPARC/Solaris 10 server platforms, within a distributed computing environment.
POSITION HELD: ICT/MIS Consultant & Systems Administrator (Middleware Systems)
NATURE OF DUTIES: Implemented and managed a 'three-tier' proof-of-concept, with development and test environments (UAT/LAT), for the deployment of business applications on Oracle WebLogic 11g, Oracle SOA Suite 11g and Oracle Coherence 11g (part of the ORACLE Fusion/Middleware 11g stack) and Oracle 11g RDBMS, hosted on virtualised (VM) Redhat Enterprise Linux (RHEL) 5.x and SPARC/Solaris 10 server platforms, within a distributed computing environment.
Linux, Oracle, Deployment, Test, Middleware, SOA, Development, Weblogic, Server, Administrator, Enterprise, Oracle SOA Suite, Oracle fusion
2008 - 2010
job
Systems Administrator & Applications Support Analyst
PHORM Inc.
NATURE OF DUTIES: Network scope and server provisioning in pre-production (Development & Test) and production (including Staging) environments, with the WEBWISE applications suite (PageSense, ProxySense, Open Internet Exchange, PeopleOnPage, ContextPlus & Apropos), hosted on a LAMP stack. Applications build, automated deployment and release management, with BASH Shell scripts, on both pre-production and production (live) server environments. LINUX server (CentOS, RHEL 5.x, & Ubuntu 12.04) optimal performance monitoring with NAGIOS Core and OpenNMS. Network Operations Centre (NOC) and Client facing escalated post production support and documentation with ATLASSIAN JIRA.
Support, Administrator, Production, Atlassian, Nagios, Server, Internet, CentOS, Development, Monitoring, Analyst, Linux, Ubuntu, Network, Bash, Test, Management, Linux server, Deployment, Exchange, Operations, Jira
2006 - 2007
freelance
CIO Client Technical Engagement Consultant, Platform Engineering & Support
British Telecommunications Plc.
London ;(www.openreach.co.uk)
POSITIONS HELD: CIO Client Technical Engagement Consultant, Platform Engineering & Support
NATURE OF DUTIES: In compliance with the BT undertakings with OFCOM (the UK Office Of Communications), as part of the Telecommunications Strategic Review (TSR), assisted primarily in the provision of technical support for pilot UAT/LAT, validation, deployment and support to corporate clients (i.e. ISPs' and Communications Service Providers), of ebXML/SOAP based APIs' (engineered and developed around the BEA Systems Workshop For WebLogic Integration & Applications Server 8.1, the CYCLONE Interchange Activator ebMS and ORACLE 9i & 10g RDBMS database backends) to the telecommunications industry's new strategic Cloud based, B2B and supply chain distributed enterprise computing gateways (i.e. EMP - the Equivalence Management Platform Applications Stack), maintained by the Openreach corporate division of BT, on supported network/computing Clients and Server platforms
Co-ordinated the specialist technical support roles of the various 'on-shore' and 'off-shore' Applications Support Group (ASG) resources (within BT/One IT) and the BT/Openreach Service Management Centre, to reported incidents (on REMEDY and CLARIFY reporting tools) that impact on LLU/WLR/BES/WES wholesale provisioning, service delivery and service level agreements (in compliance with the ITIL framework of best practices)
Equally provided escalated third line support to corporate clients on the XML and Cloud based tactical B2B 'Line Share Automation' (LiSA) Platform-As-A-Service (PaaS) LLU provisioning system maintained by BT/Openreach, on supported UNIX/LINUX Server platforms. To assist perform these roles, I was also a member of the BT/One IT Oracle Focus Group (OFG), with specialist interest in the ORACLE Fusion Middleware stack and RDBMS.
POSITIONS HELD: CIO Client Technical Engagement Consultant, Platform Engineering & Support
NATURE OF DUTIES: In compliance with the BT undertakings with OFCOM (the UK Office Of Communications), as part of the Telecommunications Strategic Review (TSR), assisted primarily in the provision of technical support for pilot UAT/LAT, validation, deployment and support to corporate clients (i.e. ISPs' and Communications Service Providers), of ebXML/SOAP based APIs' (engineered and developed around the BEA Systems Workshop For WebLogic Integration & Applications Server 8.1, the CYCLONE Interchange Activator ebMS and ORACLE 9i & 10g RDBMS database backends) to the telecommunications industry's new strategic Cloud based, B2B and supply chain distributed enterprise computing gateways (i.e. EMP - the Equivalence Management Platform Applications Stack), maintained by the Openreach corporate division of BT, on supported network/computing Clients and Server platforms
Co-ordinated the specialist technical support roles of the various 'on-shore' and 'off-shore' Applications Support Group (ASG) resources (within BT/One IT) and the BT/Openreach Service Management Centre, to reported incidents (on REMEDY and CLARIFY reporting tools) that impact on LLU/WLR/BES/WES wholesale provisioning, service delivery and service level agreements (in compliance with the ITIL framework of best practices)
Equally provided escalated third line support to corporate clients on the XML and Cloud based tactical B2B 'Line Share Automation' (LiSA) Platform-As-A-Service (PaaS) LLU provisioning system maintained by BT/Openreach, on supported UNIX/LINUX Server platforms. To assist perform these roles, I was also a member of the BT/One IT Oracle Focus Group (OFG), with specialist interest in the ORACLE Fusion Middleware stack and RDBMS.
Server, Network, Middleware, It, Support, Remedy, Weblogic, Office, CIO, Engineering, Off-shore, Enterprise, Workshop, Wholesale, Framework, Focus group, Service Delivery, Oracle fusion, Cloud, Oracle, B2B, XML, ITIL, Deployment, Unix, Automation, Database, Linux, Linux server, Integration, Management, SOAP, Service Management, Service, Compliance
2004 - 2005
job
Data/Systems Administrator & Technical Support Team Lead
Media Tools Plc.
London; www.mediatools.co.uk; www.turnkey.co.uk
POSITION HELD: Data/Systems Administrator & Technical Support Team Lead.
NATURE OF DUTIES: Primary responsibilities included, the scope and installation of both software and hardware solutions (consisting of 'high availability' SUN E420R clusters with external D1000 storage disk arrays, SUN Netra T1 AC 200s', SUN Fire V880s', Dell PowerEdge & IBM Netfinity x86 Intel/Xeon servers), as and when needed on all UNIX (Solaris 8 & 9), LINUX (RHEL/CentOS 5x) and Microsoft Windows 2003 Servers
The maintenance and support of an 'Open Source' LAMP stack and MIS data systems (comprising Informix Dynamic Server 9.3 RDBMS, TRACLINE - a bespoke EPOS terminal based real-time retail and OLTP application with a COBOL runtime environment, from LIANT Software Corporation)
The implementation and maintenance of UNIX/LINUX Security to include Operating system access management
Monitoring and preventative action against unauthorised user access
NAS System storage management
Establish and maintain system backup and disaster recovery procedures (with VERITAS Netbackup)
System Monitoring to ensure maximum system availability (utilising NAGIOS)
Assistance in the preparation of departmental reports, as and when required
Assistance in the analysis of errors and outages, for all software and hardware issues
The participation in Disaster recovery plans
Liaise with third party suppliers on all related OEM, vendor related and ISP issues
Optimal systems performance analysis and tuning
Assisted in the evaluation of new hardware and software solutions
Assisted Developers, Testers and Applications support staff in project specific work
The provision of Applications support for trading systems (including web based e-commerce applications/tools)
participation in an 'On-call' rota and emergency call-outs, while managing a small dedicated team.
POSITION HELD: Data/Systems Administrator & Technical Support Team Lead.
NATURE OF DUTIES: Primary responsibilities included, the scope and installation of both software and hardware solutions (consisting of 'high availability' SUN E420R clusters with external D1000 storage disk arrays, SUN Netra T1 AC 200s', SUN Fire V880s', Dell PowerEdge & IBM Netfinity x86 Intel/Xeon servers), as and when needed on all UNIX (Solaris 8 & 9), LINUX (RHEL/CentOS 5x) and Microsoft Windows 2003 Servers
The maintenance and support of an 'Open Source' LAMP stack and MIS data systems (comprising Informix Dynamic Server 9.3 RDBMS, TRACLINE - a bespoke EPOS terminal based real-time retail and OLTP application with a COBOL runtime environment, from LIANT Software Corporation)
The implementation and maintenance of UNIX/LINUX Security to include Operating system access management
Monitoring and preventative action against unauthorised user access
NAS System storage management
Establish and maintain system backup and disaster recovery procedures (with VERITAS Netbackup)
System Monitoring to ensure maximum system availability (utilising NAGIOS)
Assistance in the preparation of departmental reports, as and when required
Assistance in the analysis of errors and outages, for all software and hardware issues
The participation in Disaster recovery plans
Liaise with third party suppliers on all related OEM, vendor related and ISP issues
Optimal systems performance analysis and tuning
Assisted in the evaluation of new hardware and software solutions
Assisted Developers, Testers and Applications support staff in project specific work
The provision of Applications support for trading systems (including web based e-commerce applications/tools)
participation in an 'On-call' rota and emergency call-outs, while managing a small dedicated team.
Monitoring, Access management, Dell poweredge, Tuning, Administrator, Nagios, NAS, Server, Web, Storage, Software, CentOS, Backup, Linux, Hardware, Support, Implementation, Open source, Security, Cobol, Windows, Management, E-commerce, Unix, Retail
1999 - 2004
job
Lead Systems Administrator & Applications Support Analyst
The Netdecisions Group (UK) Ltd.
(also trading as and incorporating Blenheim Chalcot Ltd, www.blenheimchalcot.com; Agilisys Ltd, www.agilisys.co.uk; www.netdecisions.com)
POSITION HELD: Lead Systems Administrator & Applications Support Analyst.
NATURE OF DUTIES: Assisted in project scoping, design and systems specifications with participation in all stages of a project's lifecycle (which included the Development/Test, Staging and Live production environments). Primary responsibilities included the translation of high level multi-tiered systems architectural design specifications, into low-level client/server and distributed computing implementations. These included the network (LAN/WAN) installation, configuration, programming and support at the network perimeter and backend, of UNIX host servers, encompassing both hardware and operating systems software developments for Solaris 2.6, 7, 8 and 9 (on both AMD/Intel x86/64 and SPARC server specification platforms), AIX 4.33 and 5L (5.1) on IBM RS6000/pSeries server specifications and HACMP clusters, Linux (including all the major distributions - RedHat, SuSE, GNU/Debian, etc) on AMD/Intel x86 PC based server hardware specifications. Systems optimal performance monitoring and kernel level tuning, the compilation and installation of application source binary code and process automation with shell scripts. The implementation of multi-tier architectural and integration models on wide area networks (WAN) with J2EE compliant middleware/application servers (such as the BEA Weblogic Application Server 6.0, iPlanet/SUN ONE/JES Application Server suite) the development of web front-ends with Apache 1.3x and iPlanet (SUN ONE) web server applications, on both AMD/Intel x86 Linux based platforms and Solaris based SUN/Sparc systems, for secure Internet/e-commerce web portal hosting environments. The technical authorship and documentation of platform hardware and software standard builds, for deployment, configuration and the release management process. The administration of OpenBSD (4.xBSD) embedded OSI network perimeter appliances (e.g. Layer 7 load balancing switches, Intrusion Detection & Prevention (IDS) systems, etc). The network interoperability and integration of UNIX backend servers with Microsoft Windows NT4/2000 PC based clients and servers, and Apple Macintosh OS X workstations. The support and administration of backend UNIX relational database servers running ORACLE 8i & 9i, DB2 UDE 7 and MySQL. The implementation of Disaster Recovery and Business Continuity strategies, through regular server archived backups with LEGATO networker and EMC Storage Area Network (SAN). The provision of escalated second and third level technical support for client data/digital hosting service operations
systems optimal performance monitoring, patch management, network security and general systems audit.
POSITION HELD: Lead Systems Administrator & Applications Support Analyst.
NATURE OF DUTIES: Assisted in project scoping, design and systems specifications with participation in all stages of a project's lifecycle (which included the Development/Test, Staging and Live production environments). Primary responsibilities included the translation of high level multi-tiered systems architectural design specifications, into low-level client/server and distributed computing implementations. These included the network (LAN/WAN) installation, configuration, programming and support at the network perimeter and backend, of UNIX host servers, encompassing both hardware and operating systems software developments for Solaris 2.6, 7, 8 and 9 (on both AMD/Intel x86/64 and SPARC server specification platforms), AIX 4.33 and 5L (5.1) on IBM RS6000/pSeries server specifications and HACMP clusters, Linux (including all the major distributions - RedHat, SuSE, GNU/Debian, etc) on AMD/Intel x86 PC based server hardware specifications. Systems optimal performance monitoring and kernel level tuning, the compilation and installation of application source binary code and process automation with shell scripts. The implementation of multi-tier architectural and integration models on wide area networks (WAN) with J2EE compliant middleware/application servers (such as the BEA Weblogic Application Server 6.0, iPlanet/SUN ONE/JES Application Server suite) the development of web front-ends with Apache 1.3x and iPlanet (SUN ONE) web server applications, on both AMD/Intel x86 Linux based platforms and Solaris based SUN/Sparc systems, for secure Internet/e-commerce web portal hosting environments. The technical authorship and documentation of platform hardware and software standard builds, for deployment, configuration and the release management process. The administration of OpenBSD (4.xBSD) embedded OSI network perimeter appliances (e.g. Layer 7 load balancing switches, Intrusion Detection & Prevention (IDS) systems, etc). The network interoperability and integration of UNIX backend servers with Microsoft Windows NT4/2000 PC based clients and servers, and Apple Macintosh OS X workstations. The support and administration of backend UNIX relational database servers running ORACLE 8i & 9i, DB2 UDE 7 and MySQL. The implementation of Disaster Recovery and Business Continuity strategies, through regular server archived backups with LEGATO networker and EMC Storage Area Network (SAN). The provision of escalated second and third level technical support for client data/digital hosting service operations
systems optimal performance monitoring, patch management, network security and general systems audit.
Aix, Support, Analyst, Client/server, Hardware, Monitoring, Development, Weblogic, Load balancing, Software, Storage, Debian, Internet, Web, Hosting, Server, WAN, Production, Administrator, PC, Audit, SAN, EMC, Tuning, OS X, Portal, Backend, Apache, Mysql, Backend, Linux, Administration, Oracle, Operations, Audit, Deployment, Unix, Automation, E-commerce, Database, Design, DB2, Integration, Management, Test, J2EE, Service, Windows, Network, Embedded, Security, Middleware, Implementation
1998 - 1999
job
Systems Administrator & Technical Sales Support Analyst
Real-Time Systems (London) Ltd.
NATURE OF DUTIES: The implementation of a corporate clients systems specifications through systems level programming (including shell scripts)
the compilation and installation of application binaries and the wide area network (WAN) integration of supported Unix based host server specifications (including AIX 4.x, Solaris 2.x and DEC/Unix) with Windows'98/NT4.0 PC workstations and thin terminal services clients, using the Hummingbird Exceed PC X emulation application suite and the TIVOLI TME 10 Enterprise Distributed Management Framework and TIVOLI TSM Storage Manager - for centralised data backup archives, of SYBASE 10.0x RDBMS
the installation and configuration of OSF/Motif based business critical bespoke applications (i.e. RTD-XTR & RTD versions 5&6 - interactive financial exchange and decision support applications) on corporate clientele networked servers, supporting the equities, futures, options and derivatives financial data feeds from the DAX/XETRA and DTB (Germany), the OMLX (Sweden) and LIFFE (UK), through Reuters and Bloomberg interfaces. Training and escalated third level support for corporate clientele
optimal performance monitoring and bug reporting and audit.
the compilation and installation of application binaries and the wide area network (WAN) integration of supported Unix based host server specifications (including AIX 4.x, Solaris 2.x and DEC/Unix) with Windows'98/NT4.0 PC workstations and thin terminal services clients, using the Hummingbird Exceed PC X emulation application suite and the TIVOLI TME 10 Enterprise Distributed Management Framework and TIVOLI TSM Storage Manager - for centralised data backup archives, of SYBASE 10.0x RDBMS
the installation and configuration of OSF/Motif based business critical bespoke applications (i.e. RTD-XTR & RTD versions 5&6 - interactive financial exchange and decision support applications) on corporate clientele networked servers, supporting the equities, futures, options and derivatives financial data feeds from the DAX/XETRA and DTB (Germany), the OMLX (Sweden) and LIFFE (UK), through Reuters and Bloomberg interfaces. Training and escalated third level support for corporate clientele
optimal performance monitoring and bug reporting and audit.
Monitoring, Manager, Framework, Enterprise, Audit, PC, Administrator, WAN, Server, Aix, Storage, Backup, Sybase, Training, Analyst, Support, Implementation, Network, Windows, Sales, Management, Integration, Unix, Audit, Exchange
My education
University College London UCL
N/a, Technology Society
N/a, Technology Society
The Chartered Institute For IT
N/a, N/a
N/a, N/a
n/a
SUN Certified Systems Administrator SCSA, N/a
SUN Certified Systems Administrator SCSA, N/a
The City AND Guilds Advanced Programming
Unspecified, Information systems (Minor in Design)
Unspecified, Information systems (Minor in Design)
The City AND Guilds
Secondary, Levels II & III
Secondary, Levels II & III
University College Of Wales
Bachelors, Intermediate
Bachelors, Intermediate
Usmanu Danfodiyo University
BSc, Econ
BSc, Econ
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