Craig I. Hagan
63 Stowecroft Rd
Arlington, MA 02174
(781) 648-6884

Internet: hagan@cih.com

Education:	University of Massachusetts at Amherst, B.S. Computer Science.

SKILLS:

Administrative:	OSF/1, Solaris, Linux, SunOS, Windows NT, Ultrix, HPUX, IRIX, AIX, SCO, Mach, UnixWare, DYNIX, OSF/DCE, DFS, NFS including AMD (Berkeley Automounter), NIS/YP, TIS fwtk,www (scripting and administration),Kerberos V4, DNS, INN, DHCP, NT RAS,Sendmail v8, cisco routers
Programming:	C, C++, MFC, Unix shell scripting, Perl, php, Tcl/Tk, SunRPC

EXPERIENCE:

9/97 - Present InUnity Corporation

Consultant

2/97 - 7/97 Wildfire Communications, Inc

Consultant

• Designed and build custom internet firewall system using proxy agents and packet filtering technology
• Transitioned 85% of network systems to RFC 1918 unrouted network to allow for company growth and more choice of internet vendors
• Implemented dialup network access system
• Installed www based network traffic monitor
• Migrated network from flat to switched topology
• Handled movement of network to new location, including dismantling and redeploying and wiring all hardware and critical services
• Installed DHCP servers to help ease desktop client configuration
• Reconfigured Network news server to improve both system and network performance
• Created hardware and software configuration guidelines for all production NT server machines
• Deployed production NT servers for use as lotus notes servers, made sure that the server could handle current and projected number of clients

3/97 - Present Cambridge Computing Services

Consultant

• Designed and build custom internet firewall system using proxy agents and packet filtering technology
• Configured internet email system using POP
• Setup and installed Internet network
• Specified and installed router hardware
• Implemented dialup server for remote network to be connected to the internet independent of the firewall
• Installed unix www server/ftp site using apache and wu-ftpd
• Setup NT www server using MS IIS

2/97 - Present Cardinal Systems

Principal Contractor

Responsible for providing consulting services to clients and maintaining local network infrastructure.

• Configured heterogeneous LAN consisting of unix,windows,NT and mac system
• Manage Linux,NT,95,Sun machines
• Configure simple, automated backup system
• Setup SQL database and www front end for accounting and customer tracking

7/96 - 1/97 Borland International (Open Environment)

Consultant

• Reconfigure unix servers to prevent service outages
• Identify and resolve intermittent network problems
• Install and configure ISDN to connect California and Boston offices prior to frame relay connectivity
• Handle local router and network configuration changed to support frame relay connection to corporate headquarters
• Specify, install, and configure corporate web server
• Specify, size, and configure NT server for Lotus Notes deployment
• Evaluate 100mbit ethernet technology for potential use in internal network
• DCE cell troubleshooting and administration
• Assist with troubleshooting windows 95 and NT networking problems
• Prototype NT domain system, dhcp, and remote domain administrative tools for potential use

4/96 - 7/96 Addison-Wesley Longman

Consultant

• Systems Administration - responsible for administration of all unix systems
• Network/WAN Administration - rsponsible for configuring routers and overseeing addition of a new office on the Addison-Wesley Longman WAN.
• Identify and either document or resolve potential network/server trouble spots
• Prototyped a firewall solution for network security

10/95 - 4/96 Federal Home Loan Mortgage Corporation

Consultant

• Part of team handling system administration for the Loan Prospector DCE/Encina environment as it transitioned into production status.
• Systems Administration and deployment for both production and non-production systems
• Second tier user support

9/94 - 8/95 Open Environment Corporation

Systems Engineer

Development and deployment of a heterogeneous distributed computing environment to host both production development, corporate applications, and customer education. Administration of this environment (100+ node mixed network of UNIX, Windows 3.11, Windows 95,Windows NT, and Macintosh machines. Migration of the above environment to be based upon DCE/DFS.

• Setup corporation wide unix to windows servers which facilitated '95 and NT deployment
• Determined appropriate hardware configuration for, installed, and maintained the corporate internet information services (WWW, ftp, USENET news).
• Determined configuration of, and installed corporate mail server machines that maintain 1/2 hour synchronization for fault resistant operation. Installed, setup, and maintained WAN links for printing, email, and file access via dial on demand PPP with unix routers. These allowed people working in a remote office to use the home office's printers and file servers to better share data company wide.
• Responsible for capacity planning (information gathering, analysis, and purchasing recommendations). This entailed analyzing server and network utilization and projecting future needs.
• Coded client-server applets which assisted in various administrative tasks such as information gathering and account addition/deletion.
• Wrote and maintained server backup scripts for both home and remote offices.
• Setup location independent NFS web using amd to both reduce administrative overhead, and to allow transparent migration to both DFS and AFS.
• Setup and administration of DCE cell (both server and client machines).
• Migrated data from NFS to DFS, integrating NFS with DFS transparently where needed.
• Remote office management: specified and configured network servers, setup and linked DCE cells to home office to allow multiple administrative zones, configured NFS, DFS, SMB/Windows file and printing services.
• Led team doing configuration and installation for an enterprise wide replacement of desktop workstations with multi-boot PC’s running Linux, Windows, and NT.
• Installed Kerberos security for Xyplex dial-up terminal servers.

9/93 - 9/94 Research Computing Facility, University of Massachusetts at Amherst

Associate Software Specialist Systems administration and support for a large (800+ node) heterogeneous unix (multi-vendor), PC, and macintosh network. Migration of file and existing information services to the alpha platform. Introduction of WWW and SLIP/PPP services. Created a fault resilient information services environment to better handle hardware failures during the migration.

• Specified hardware for, and Implemented network access systems (ftp, WWW, USENET news, SLIP, PPP).
• Extended DNS to provide load balancing in increased fault tolerance for mission critical applications.
• Maintained an extensive software library for the following platforms: OSF/1, Ultix, Solaris, SunOS, and IRIX.
• Active member of the Umass WWW working group, which designed and implemented a set of design criteria for Umass web services.
• System Administrator for multiple platforms including OSF/1, IRIX, SunOS, Solaris, Ultrix, and Linux.
• Installed and administered a Kerberos security environment.
• Responsible for initial configuration and upgrades of machines.
• Documented system software used for administering both the network and environment specific applications.

6/93 - 9/93 Research Computing Facility, University of Massachusetts at Amherst

Programmer

System Administration for a large (800+ node network) involving request processing, inventory tracking, software installation, maintenance, and feasibility studies.

• Ported public domain software and rewrote local systems to run on the newly introduced DEC Alpha platform.
• Constructed a baseline configuration for OSF/1 machines.
• Started pilot SLIP/PPP project to evaluate feasibility within the scope of the existing network infrastructure.

1/93 - 9/93 Visions Research Lab, University of Massachusetts at Amherst

Programmer

• Integrated xv into the Khoros environment.
• Maintained the Khoros System and development tools required to build and run Khoros applications.

Interests: Sailing, windsurfing, hiking, volleyball, cooking, Linux.