James E. Cottrell, Iii Email & Phone Number

Gaithersburg, MD, US

I spent the Summer doing some Consulting Work at NASA. Built a Patch Distribution Server for CentOS 7 and used Ansible to manage configurations for about 100 hosts. Other minor Small Jobs.

Herndon, US

Managed local Panasas PANFS and SAMBA based CIFS servers, Linux Compute Cluster, and Data Transfer to Google cloud storage. The longer goal of Architecting a Comprehensive Storage Plan was postponed when COVID hit.

Arlington, VA, US

Created and monitored Alarms for EC2 instances. Pushed Metrics and Logs to CloudWatch. Worked on Security Remediation of existing Servers and using ELK Stack. Used EC2, S3, CloudWatch, SNS, IAM, VPC.

Consulting for Juniper on their Security Remediation, I installed, configured, and tested Packages on various Linux distributions, including RHEL7, CentOS 7, Ubuntu 18.04, and FreeBSD. Used Ansible to orchestrate data gather script on thousands of hosts Juniper had scheduled for conversion. Reported and fixed bugs via GitLab.

Herndon, VA, US

Redesign of DNS Software at NOAA data center using RHEL 7 on Vmware and real hardware, involving Anycast addresses via Quagga. Promotion of Slave to Master servers via git checkout of proper configuration branch. Deployment of SmartCards authenticating to LDAP servers via SSSD. Infrastructure server maintenance via Puppet. Member of project to replace.

Tulsa, OK, US

Walter Reed Army Institute of Research: Redesign of Linux PBS Cluster, Infrastructure Servers, Workstation, and network architecture. Conversion from RHEL 6 to RHEL 7, replacement of Winbind with SSSD and/or Centrify, and replacing Puppet with Ansible. Integration of military CAC cards with Active Directory via Kerberos. Normal maintenance, such as Account.

I took most of the year off, staying home with my wife, who was undergoing aggressive cancer treatments. Fortunately, they paid off, and she is now in Full Remission!

US

Python programming the Serial Console and other system initialization aspects of KVM vitual machines running in Docker Containers under Ubuntu for Darpa’s Cyber Warfare program.

Chatsworth, CA, US

Linux System Administration and Infrastructure Architecture design for a High Performance Disk Enclosure manufacturer. Created Kickstart and Cobbler servers to build CentOS 6 and 7 clusters with Mellanox Infiniband using GPFS and Lustre filesystems. Configuration management via Salt. Wrote Python scripts to generate DNS and DHCP from hosts file. Created.

Rockville, MD, US

Used Puppet to build, administer, and configure over 1,500 real and virtual (Ganeti KVM) servers at the National Library of Medicine, part of the National Institutes of Health. Installed such applications as MySQL, Apache, Sun Grid Engine, and many other packages via Puppet configs. Built new and updated RPM packages. Used git and subversion for SCM, Jira.

Falls Church, VA, US

Linux System Administration onsite at NIH. Rewrote kickstart CGI script in Perl to support CentOS 5, 6, and 7 as well as Fedora 19 and 20 distributions in Server, Workstation, and Appliance configurations. Integrated Smart Card login with PAM, Kerberos, and LDAP from Active Directory servers using SSSD. Pestered RedHat to fix bugs. Configured NFS and ssh.

MicroStrategy: RHEL 5.6 server installation and maintenance via Kickstart, Cobbler, and Puppet on datacenter servers and VMware vSphere virtual machines supporting web services and applications. Added DRBD and Heartbeat to MySQL master databases for redundancy. Deployed and maintained MySQL replication. Wrote Perl CGI script to publish Apache and Tomcat.

Various Consulting: Server setup for database company. Mail Operations Center maintenance using SunOne Messaging and LDAP Directory Server, Conversion of NIS to OpenLDAP. All running RHEL 5. System Administration of Red Hat, SuSE, and Ubuntu desktop systems.Paxfire: Bug fixes to existing C++, Perl, and shell scripts using CVS and Subversion for our DNS &.

Rockville, Maryland, US

Engineered the installation process for a JBoss based Java Application running on a Red Hat Enterprise Linux cluster including Oracle installation and replication, High Availability configuration, and Apache Certificate generation. Installation included developing Kickstart files, Perl, and shell scripts and hardening Linux according to NIST 800-53, FISMA.

Columbia, MD, US

Cluster architecture design (LVS/Piranha/Managed) for Census Taker web application at the US Census Bureau running on IBM Blade Servers using GFS. Conversion of Cluster from RHEL 4 to RHEL 5. Investigated and tested Cluster Failover, Persistence, and Quiescence modes. Performance testing of hardware cryptographic accelerator cards. Produced FIPS version of.

Member of a three man team maintaining, upgrading and developing ISP Service on a Linux Virtual Server (LVS) Cluster running on HP Blade and Proliant servers. Web application development in Perl, PHP, CSS, JavaScript, and XML. Conversion of servers from Slackware 7 and 9 to CentOS 4. Operation and upgrading of DNS, Radius, Qmail, FTP, POP, IMAP, MySQL.

NASD: Installation, configuration and maintenance of Apache web server on Sun Solaris 8 and Red Hat Linux 9. CGI programming in Perl using CGI.pm. Creation, conversion to HTML, and indexing of project documentation. System and network administration.B2eMarkets: System, security, and network administration of Solaris 9, HP-UX 11, and Red Hat 9 Linux, both.

US

Digex: Deploying and troubleshooting Netscape and Apache web servers, Solaris 7, IRIX, and Linux operating systems, and networking software, including Kerberos, Secure Shell, Veritas Volume Manager, and sendmail. Participated in the design, implementation, and organization of the DNS servers. Some network design issues including Cisco Local.

San Jose, California, US

Analyzed and recommended modifications to customer firewall configurations on Solaris, HP, and Linux systems. Ran benchmarks on customer equipment. Customized existing application proxies and created new ones to satisfy local requirements. Ported Gauntlet firewall code written in C to Nokia system running FreeBSD.

Germantown, MD, US

Chief Architect and Systems Programmer for a worldwide satellite company’s 500 Sun, HP, and Linux workstations. DNS: Hostmaster for a Class B network of 100 Class C subnets and six subdomains. Deployed BIND 8 to take advantage of Notify, Dynamic Update, and Incremental Zone Transfer needed by DHCP. Optimized zone delegation and transfers between remote.

Bell Atlantic: Solaris and SunOS System administration. Landmark Systems: C++ programming for Sun NetManager and SNMP interface to remote kernel performance data collector. Various system administration and mailer configuration tasks. Micronetics Design: MUMPS database conversion program written in C under AIX. United Information Systems: System.

Cambridge CB1 1HW, GB

Maintained approximately fifty Sun4, NeXT, and Silicon Graphics machines. Created a unified view of all systems by use of the automounter, rdist, and several perl scripts. Installed Word Perfect, Oracle, Frame Maker, other packages, and public domain software. Oversaw vendor maintenance and installation. Unified the UNIX mail system and coordinated with PC.

Employee #12 at the first commercial ISP and UUCP gateway. Systems Administration: maintained Sequent Symmetry multiprocessor, performed operating systems updates, including the incorporation of a custom disk-striping device driver; installed, updated, and maintained the X Window System, emacs, perl, RCS, and other system utilities on Sun workstations..

Designed and implemented a benchmarking tool for X Windows. The tool records an X Window session for subsequent playback in order to simulate live user input. Response time statistics are gathered from X clients or X servers to measure performance and capacity. Developed in C on an IBM PS/2 running AIX. Ported to other UNIX environments. Supervised three.

Gaithersburg, MD, US

Parallel Processing. Benchmarks and Instrumentation in applications software and the UNIX kernel of a Sequent Balance multiprocessor. Wrote C code to map external multibus memory into the data collection program. Distributed Systems: Authored paper "Distributed Tools and Window Systems" that surveys XDR, RPC, and X Windows and other interprocess.

B.S., Computer Science, Ee

Bachelor Of Science (B.S.), Computer Science