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Ron
rdhalstead@gmail.com
702-706-2125
2125 Night Parrot Ave
North Las Vegas, NV 89084
925-785-7919
Senior UNIX Systems Administrator
33 years experience
W2
6
Recommendations
Average rating
503
Profile views
Summary
24+ years as computer systems engineer / systems administrator.
Well versed in UNIX System V, SunOS, Solaris (2.4 – 11.2), MAC OS X, SCO UNIX, MP-RAS, AIX, HP-UX, Linux (Redhat, SUSE, Centos, Debian, Ubuntu and Fedora), Windows XP, Windows 7, NexentaStor software defined storage, and ksh.
Networking protocols include DNS, NIS, NFS, TCP/IP, X.25, SMTP, UUCP, SNMP, DHCP, Samba / CIFS, Apache, SSH, Rsync, Sendmail and Postfix.
Network Monitors such as HP OpenView, Nagios, Big Brother
Hardware includes MacBook Pro, Compaq Proliant, HP Netservers, Dell PowerEdge, IBM clones, Sun Sparc, Sun Ultra and Sun Enterprise servers, Sun Storage Array, LSI SAN, EMC SAN Network Appliance NAS, IBM RS/6000 and SSI, NCR, NetApp Filers, and Cisco routers and switches.
I have experience with Virtual machine technologies such as Solaris Zones and LDOMs, Xen, Oracle VirtualBox (on UNIX and Mac OS hosts)
Excellent presentation skills.
Strong management skills
Highly motivated to quickly learn new systems.
Inactive Secret Clearance, USAF.
FCC General Radiotelephone Operators License with ship’s radar endorsement.
Experience
Edit Skills
Non-cloudteam Skill
Education
Engineering
West Coast University
Record has not been verified.
Skills
UNIX
2014
25
Unix Administrator
2005
23
Windows
2014
21
Solaris
2014
20
DNS
2005
15
FTP
2006
15
NFS
2013
15
NIS
2006
15
CIFS
2014
10
Linux
2014
10
RAID
2009
10
Sun
2009
10
System Administration
2014
10
Windows XP
2004
8
ZFS
2014
6
CentOS
2015
5
HP-UX
2009
5
NAS
2009
5
Ubuntu
2015
5
IIS
2004
4
Project Management
2004
4
Veritas Volume Manager
2004
4
HACMP
2000
1
Sun/OS
1996
1
Cisco
2006
2
LAN
2014
2
Routers
2000
2
System Analysis
2009
2
Ultra Sparc
2009
2
Apache Webserver
0
1
Compaq
2000
1
Dell
0
1
Energy
2006
1
IBM RS/6000
0
1
Legato
0
1
Microsoft SMS Server
0
1
NCR
1998
1
NetBEUI
0
1
PCS
0
1
RedHat
2009
1
Samba
2000
1
SAN
2014
1
SCO-UNIX
0
1
SMS
1998
1
SSH
2006
1
Switches
0
1
UX
2006
1
AIX
2005
1
AIX
2000
1
Apache
2004
1
Compliance
2005
1
Data Migration
2006
1
Database Backups
2006
1
Debian
0
1
DHCP
0
1
Disk Suite
2000
1
EMC
0
1
Fedora
2006
1
Firewall
2000
1
iSCSI
2013
1
Lan Manager
1992
1
LDAP
2014
1
Microsoft Exchange
1997
1
Nagios
0
1
NetApp
0
1
Network Administration
1994
1
Network Monitoring
1999
1
NexentaStor
2014
1
Oracle
2005
1
Perl
1993
1
PowerHA
2000
1
rsync
2006
1
Shipping
1998
1
SMTP
0
1
SOX
2005
1
SQL Server
1996
1
SuSE
0
1
SVR.4
1994
1
SVR4
1993
1
Systems Engineering
0
1
TCP/IP
2000
1
Teradata
2000
1
Veritas
2006
1
Veritas NetBackup
2006
1
Windows NT
2004
1
Xen
0
1