Profile

Highly experienced Systems Administrator with effective interpersonal skills bringing problem-solving capabilities and 15 years solid IT expertise. Whilst possessing a wide range of expertise I possess a keen eye for detail and handle pressure with ease.

Operating Systems

Solaris 2.6/7/8/9/10, Linux (Redhat,RHEL,CENTOS,SUSE) , FreeBSD, NetBSD, SCO Unix/Unixware, Windows 95,98,NT,2000,2003,XP, MS SBS 4.5/2000,2003, MacOS/[X],VMware.

Machines

Sun Netra/v120/v240/v440/E450/v890 & Storedge, Dell Poweredge, HP G4/5/Compaq Proliant.

Network Stacks

tcp,udp, ethernet, voip, netbuei, appletalk, x21, q391,DSL, hssi,vpns, vlan's.

Protocols

dhcp, dns/bind,wins, netbios, ssh, ftp, ssl, http, nfs, nis, ldap, ppp, pptp,ipsec,snmp, rip(v1/v2), ospf, gated, rras,ras, radius, lpd,bootp, arp,rdp, vnc.

Applications

Mail: Exim, Sendmail, MS Exchange, Bynari Server, Egroupware, Squirrelmail,Mailman, Courier/UW/Cyrus IMAP, mailscanner, mimesweeper, Spamassassin, DSPAM, anti-virus/clamAV, Monharc,Greylisting.

Security: Iptables,Ipfilter, Ipnat, IPCOP, Satan,Smoothwall, Shorewall,SSH, SSL, Snort, NMAP, MON, AIDE, Tripwire, Portscan, Public Key Authentication, IPSec, PPTP, Stunnel, FreeSWAN,Bastille Hardening, Logwatch,Openvpn

Desktop: Openoffice, MS Office, Mozilla, TightVNC, Anti-Spyware, Fsecure AV, Putty, Winscp,MS Group Policys,putty, Ximian Evolution, Xwindows, LTSP. Microsoft Terminal Services.

Server: Apache, Samba, MS Exchange 5/2003, MS Proxy, MS Outlook, Webmin, Bigbrother, KDE,Gnome, MS Backoffice, MS Small business Backoffice, OpenLDAP, CUPS/LPD/LPRng Printing, Bind/DNS,Linux Kernels, Terminal Services, LDAP, Active Directory.

Databases: Informix STD/Online, MS Sql/Access, Mysql, Postgres.

Helpdesk: Remedy, AHD, various ticketing systems.

Development tools

C, Java,Korn/Bash shell, HTML/JavaScript, COBOL, Informix 4GL/SQL/RDS, Perl,PHP,CVS, GCC, Linux Kernel, informix 4GL, SQL.

From

To

Company

Position

May 2006

Jan 2007

[snip]

Senior Unix/NT Engineer

Mar 2003

Apr 2006

[snip]

Systems Administrator / Engineer

Feb 2002

Jan 2003

[snip]

Senior Unix/NT Administrator

Mar 2000

Jan 2002

[snip]

Systems Administrator / Engineer

Aug 1993

Jan 2000

[snip]

Systems Engineer / 3rd Line Support

Sep 1991

Jul 1993

[snip]

Systems Manager

Jun 1990

Aug 1991

[snip]

2nd Line Support / Senior Analyst Programmer

Jul 1989

May 1990

[snip]

Analyst Programmer / Director

Where

Qualification

Grade Achieved

Open University

Java Ecommerce Development course

Credit

MCSE Exams

5/6 MCP exams

Pass

Anco Training

City & Guilds 224 Ind. Electronics 1,2 & 3.

Distinctions

Nixdorf CATT

IT Post Grad Course Software Engineer

Distinctions

St Fintans High School

Leaving Certificate

6 (A-Level) Passes,3 (O-Level) Passes

Computer diploma in computer studies.

Distinction

 Work History

May 2006  to Jan 2007:
[snip], Hounslow
Position: Senior Unix/NT Admin
Profile: IT Outsourcing & HR

·          Was brought on-board to effect  recovery from DR project after Hemel Hempstead oil refinery explosion devastated client buildings.

·          Developed strategic plans for Migration from DR to CoLo on site at Sungard Hounslow after DR plan activated.

·          Dealt directly with Customers and A/C managers and Sungard Staff.  Customers included Banks, Councils, Government, and Internal systems.

·          Built tested and Sun Solaris boxes using numerous bits of kit and versions of operating systems and applications.

·          Built tested HP G4 and G5 boxes and installed OS.

·          Arranged rack locations and racked servers and Raid enclosures.

·          Organised Out of band access to servers in Data centre via ILO and ALOMS.

·          Configured servers and backup strategies using Veritas and Dump.

·          Planned strategies for migration of servers from DR to new Data centre, and back out plans.

·          Supplied scripting and programming services using ksh. And login scripts

·          Performed wiring and network designs for clients networks.

·          Installed Microsoft, Solaris, Redhat ES operating systems.

·          Provided support and assistance on Internet and firewall issues.

·          Helped work on issues relating to VLAN's and WAN issues / Designs.

·          Became central point for technical issues relating to systems migrations.

·          Formulated Migration plan for teams moving from CoLo to new Data centre.

·          Was present on site during night shifts managing movement of over 200 servers for various customers to new Data centre.

Mar 2003 to April 2006:
[snip], Harrow
Position: Systems Administrator / Engineer
Profile: Support House in Unix / Windows.

·          Maintained all systems operational.

·          Automated maintenance and reduced overheads.

·          Secured systems by upgrades or security fixes.

·          Built firewalls and provided penetration testing.

·          Monitored Security and logging.

·          Installed Multiple VPNS across multiple sites using NetBSD

·          Built Stateful Firewall's on FreeBSD/ Redhat 7,8,9.

·          Setup mailers using Exim,Qmail and Sendmail on Multiple Platforms

·          Built extensive Exim anti-spam / anti-virus platforms.

·          Integrated various backends into Exim and Courier/Cyrus Imap.

·          Compiled and packaged Exim, Courier, Mysql, PHP.

·          Developed PHP frontend for mail/spam maintainance.

·          Integrated Mailscanner and exim/postfix/sendmail/Bynari server.

·          Provided replacement services for Windows servers on Linux / BSD

·          Provided Windows/Unix integration

·          Supplied scripting and programming services using perl,php and bash.

·          Performed wiring and network designs for clients

·          Setup remote working and Terminal services using RDP, VNC, and Win4Lin.

·          Setup Xwindows, KDE, GNOME, mozilla, Openoffice and Ximian.

·          Integrate Exchange Servers / Linux / Ximian / Insight Connector.

·          Introduced remote support techniques using VNC, PPTP,IPSEC etc.

·          Installed Microsoft Servers Exchange, windows 2000/3, Sql Server 2000 and SBS 4.x/2003.

·          Setup Virtual machines using  Vmware.

Mar 2002 to Jan 2003:
[snip], Milton Keynes
Position: Senior Unix/NT Administrator
Profile: 500 Retail stores in the British Isles.

·          Kept all kiosks and Unixware back office applications operational

·          Provided maintenance of Sco Unix back office issues in stores.

·          Monitor and respond to calls on Remedy Help Desk.

·          Rolled out 540 MS Windows 2000 kiosks in 126 stores across the UK.

·          Solved issues on back office Apache Tomcat systems.

·          Developed a proactive fault management system.

Mar 2000 to Jan 2002:
[snip], Heathrow.
Position: System Engineer/ 3rd Line support
Profile: 60 leisure clubs around the UK.

·          Reviewed technology utilized within DLL.

·          Provided help and training to all staff within IT department.

·          Documented networks, systems for CSC outsourcing exercise.

·          Monitored and responded to calls as they arose on AHD help desk.

·          Managed 4 unix support personnel.

·          Built scripts and kickstart installs for SCO server builds.

·          Reduced Unix server club builds from 3 days to 2 Hours.

·          Designed/Liaised a SDH frame network to all clubs.

·          Redesigned all Unix/Windows name resolution services.

·          Rebuilt Windows NT 4/2000 Domain controllers.

·          Built systems to monitor and protect vital services.

·          Developed replication desktop builds utilizing various techniques.

·          Redesigned server room electrics, racking, and networks.

·          Documented, designed a standard for all networking builds.

·          Supported, designed and built Solaris servers.

·          Provided in-house informix DB skills as DBA, and 4GL development.

Aug 1993 to Jan 2000:
[snip], Euston, London
Position: System Engineer/ 3rd Line support
Profile: [snip], Government

·          Acted as a bridge between Informix developers and VB developers.

·          Trained up support staff and enabled knowledge transfer.

·          Ensured y2k compliance across all platforms

·          Liaised with all departments and external contractors.

·          Acted as internal DBA for all informix databases.

·          Built Multi Master / Resource Domain using NT4 domain controllers.

·          Designed Frame Relay network to replace ISDN router network.

·          Migrated Microsoft Mail to Microsoft Exchange.

·          Upgraded from Exchange 4.0 to 5.0/5.5.

·          Sourced, tendered and installed 256k internet leased lined.

·          Built Exim/Sendmail servers on FreeBSD, and Redhat Linux.

·          Setup hosting for mail domains and web site.

·          Designed a redundant Fibre backbone and VLANs.

·          Implemented Disaster recovery site and contingency documentation.

·          Designed secure links between multiple sites for Sports Lottery.

·          Introduced build/development network to assist in roll outs.

·          Maximised uptime using SLA's.

·          Started Change Control procedures to maximise uptime.

·          Sourced various hardware, including servers and storage devices.

·          Setup Server and desktop management tools.

·          Designed electrics, UPS, air conditioning and rack mounts.

·          Restructured super netted class 'A' address subnet using DHCP.

·          Provided various solutions for desktop/server roll outs.

·          Planned full flooded structured Cat 5e wiring for all buildings.

Sep 1991 to Jul 1993:
[snip] UK, Moorgate London
Position: Systems Manager.
Profile: Corporate banking.

·          Asked by Dublin Office to rejoin [snip] and manage UK facilities

·          Provided development in Cobol, Informix 4gl, and Unix scripting.

·          Stabilized and performed tasks to keep systems secure.

·          Ported all Irish developed banking systems to UK format and tested.

·          Relocated 100 staff, UTP networks,telecoms and computer systems.

·          Introduced first PC network to [snip].

·          Setup dealing links, leased lines for Dublin, London, and Germany.

·          Integrated switchboards between sites to utilize existing bandwidth.