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Bryan Littlefield Email & Phone Number
Chief Systems Administrator supporting NASA and Astrion Projects:
at
Astrion
2 work emails found
@jpl.nasa.gov
4 phones found area 626
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Systems Administrator supporting NASA and Astrion Projects:
Location
Monterey Park, California, United States
Company size
Who is Bryan Littlefield? Overview
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Quick answer
Bryan Littlefield is listed as Chief Systems Administrator supporting NASA and Astrion Projects: at Astrion, a with 1467 employees, based in Monterey Park, California, United States. AeroLeads shows a work email signal at jpl.nasa.gov, phone signal with area code 626, and a matched LinkedIn profile for Bryan Littlefield.
Bryan Littlefield previously worked as Senior System Administrator at Jet Propulsion Laboratory and Senior System Administrator and Directory Architect at Raytheon. Bryan Littlefield holds Bs, Applied Mathematics With Specialization In Computer Science from Ucla.
Company email context
Email format at Astrion
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{first}.{last}@jpl.nasa.gov
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AeroLeads found 2 current-domain work email signals for Bryan Littlefield. Compare company email patterns before reaching out.
Profile bio
About Bryan Littlefield
Senior IT professional with over 15 years of a proven track record in system administration, software development, and enterprise directory software solutions.Specialties: Developing & supporting projects including analysis, design, security, implementation & operations. System Administration for Solaris, Linux, & large linux based Clusters for High Performance Computing (HPC).Professional services documenting functional requirements & design issues to meet business objectives in enterprise environments for LDAP directories & Identity solutions.Software, Tools & customizations developed using Perl, C, Fortran, Shell scripts, HTML, and Java Script.
Listed skills include Solaris, Unix, Linux, Apache, and 31 others.
Current workplace
Bryan Littlefield's current company
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Astrion
9 roles
Bryan Littlefield work experience
A career timeline built from the work history available for this profile.
Role listed
Senior System Administrator
Developing and Supporting project infrastructures at JPL & Raytheon. Responsibilities include installation, implementation, & maintenance of VMware infrastructures, Amazon AWS instances, Sun Solaris & Linux servers to support projects. Recent responsibilities include setting up a 380-node Linux clusters for High Performance Computing. Administrative tools are developed on Sun Solaris & Linux systems using C, UNIX Shell scripts, HTML, SQL & Perl. System administrative tasks include developing tools, customizing software packages (such as Liferay, IDL, Tomcat, Apache), working with specialized hardware (such as Load Balancers, Tape Libraries, RAID arrays, Network Switches, Terminal Servers), & setting up and maintaining Apache Web and Tomcat Java servers. Cognizant over the evaluation & recommendation of innovative technologies for projects, closely monitor security & operational requirements. Recently projects included the migration of a VMware infrastructure to Amazon AWS instances supporting a complex clustered Liferay web site deployment.
Senior System Administrator And Directory Architect
Developing and Supporting project infrastructures at JPL & Raytheon. Responsibilities include installation, implementation, & maintenance of Sun Solaris & Linux servers to support projects. Recent responsibilities include setting up a 380-node Linux clusters for High Performance Computing. Administrative tools are developed on Sun Solaris & Linux systems using C, UNIX Shell scripts, HTML, SQL & Perl. System administrative tasks include developing tools, customizing software packages (such as IDL, Tomcat, Apache), working with specialized hardware (such as Tape Libraries, RAID arrays, Network Switches, Terminal Servers), & setting up and maintaining Apache Web and Tomcat Java servers. Cognizant over the evaluation & recommendation of innovative technologies for projects, closely monitor security & operational requirements.. Recently designed and deployed a Sun Directory, Sun Application & Sun Access Manager servers for a Raytheon contract.
Jan 2005 - Jun 2007
Directory Architect
One Enterprise Technologies
Directory Services Architect for Extranet and Intranet implementations. Task included Directory Services (LDAP) schema and DIT design, load-balancing, fail-over, and replication; Identity Management design, hardware-sizing, and high-availability.
Apr 2001 - Mar 2002
Implementation Consultant
Responsible for project documentation, analysis, design and implementation of directory infrastructures and enterprise security at client sites utilizing Oblix NetPoint software. Oblix NetPoint software enables the publishing of directory infrastructure resources, delegated management of the directory infrastructure resources & delegated policy management to enable authenticated and authorized access to web resources. Work involved installation, configuration and customization of LDAP Directories such as Netscape, iPlanet & Active Directory, Web Servers such as iPlanet, Apache & Microsoft IIS. Documented functional requirements & design issues to meet business objectives in heterogeneous enterprise environments. Tools and customizations were developed using C, Shell scripts, XML, HTML, Java Script and Perl. Worked with clients throughout the US and Europe in pre and post sales engagements.
Dec 1999 - May 2001
System Engineer
Developed and supported enterprise security and directory infrastructures at JPL. Responsibilities included design, implementation, and maintenance of JPL’s DCE / DFS cell architecture and administering a X500 LDAP directory servers on a Globally distributed architecture running on Sun Solaris workstations. Responsible for implementation of an ISOCOR/Critical Path Meta-Directory solution with a Netscape LDAP Directory Server, Oracle and other data sources. Responsible for the design and evaluation of security solutions to enable secure authentication and authorization for web and file resources, utilizing LDAP and DCE/Kerberos back-ends. Evaluated products from Oblix, Tivoli, and Netegrity to determine which would fit best in the desired JPL enterprise infrastructure. Administrative and operational tools were developed using C, UNIX Shell scripts, HTML and Perl. Closely monitored security issues, operational requirements, and worked with vendors to resolve issues when needed.
May 1997 - Dec 1999
Programmer
Responsibilities included developing scientific and educational applications as well as handling the UNIX and PC system administration. Developed applications to handle data processing and scientific analysis for the FAST, Polar, Cassini and other satellite projects. Developed the XSPACE educational software and other educational software for graduate level space physics courses used at UCLA and other Universities around the world. Application development was done on many UNIX platforms (Solaris, Sun OS, SGI, DEC, AIX and HPUX) using C, Fortran, C-shell, HTML, Perl, Motif, Openlook, and X11 toolkits. System administration tasks were executed on Solaris/SunOS and PC systems. System administrative tasks included developing tools, customizing software packages such as Splus, and Maple, maintaining legacy software, porting software to other platforms as required, and setting up and maintaining Apache and Netscape Web servers.
Jun 1992 - May 1997
Programmer
Responsibilities included software development for network management software on UNIX platforms using C, Motif, and X11 toolkits.
Jan 1991 - Jun 1992
2 education records
Bryan Littlefield education
Bs, Applied Mathematics With Specialization In Computer Science
Ucla
Bachelor Of Science (B.S.), Applied Mathematics
Ucla
FAQ
Frequently asked questions about Bryan Littlefield
Quick answers generated from the profile data available on this page.
What company does Bryan Littlefield work for?
Bryan Littlefield works for Astrion.
What is Bryan Littlefield's role at Astrion?
Bryan Littlefield is listed as Chief Systems Administrator supporting NASA and Astrion Projects: at Astrion.
What is Bryan Littlefield's email address?
AeroLeads has found 2 work email signals at @jpl.nasa.gov for Bryan Littlefield at Astrion.
What is Bryan Littlefield's phone number?
AeroLeads has found 4 phone signal(s) with area code 626 for Bryan Littlefield at Astrion.
Where is Bryan Littlefield based?
Bryan Littlefield is based in Monterey Park, California, United States while working with Astrion.
What companies has Bryan Littlefield worked for?
Bryan Littlefield has worked for Astrion, Jet Propulsion Laboratory, Raytheon, One Enterprise Technologies, and Oblix.
How can I contact Bryan Littlefield?
You can use AeroLeads to view verified contact signals for Bryan Littlefield at Astrion, including work email, phone, and LinkedIn data when available.
What schools did Bryan Littlefield attend?
Bryan Littlefield holds Bs, Applied Mathematics With Specialization In Computer Science from Ucla.
What skills is Bryan Littlefield known for?
Bryan Littlefield is listed with skills including Solaris, Unix, Linux, Apache, Perl, Shell Scripting, Software Development, and Security.
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