Alex Machina

19355 Cypress Ridge Ter, #218 * Lansdowne, VA * 20176


Over 10 years experience programming, designing and maintaining business applications and Operating System routines on Honeywell/Bull mainframes utilizing assembly language and COBOL. UNIX Administration experience with strong Bash scripting skills. Experience with Windows administration, Active Directory and Terminal Services.

Technical Skills

Operating Systems: Red Hat Linux, HP-UX, Fedora, GCOS-8, Solaris, Windows XP/200/2003

Programming: Bash Shell, TCL/TK, Python, COBOL, Fortran, Assembly (GMAP)

Applications: Linux Utilities and commands, Oracle PL/SQL, Word, Excel, Ignite-UX

Configuration: Linux OS, TCP/IP, DNS, X-Windows, Mainframe OS

Hardware: Honeywell Bull, HP, Sun, PCs using Linux and Windows

Systems: Red Hat and Fedora Linux, Windows 2003 Server, PatchLink Server, RSA ACE Administration, Windows Active Directory, Juniper (Neoteris) IVE

Professional Experience

Spin Systems, Sterling, VA (2006 - 2013)

Unix Systems Administrator - Responsible for the full range of Red Hat Linux administration, starting with OS installation, disk partitioning, application installation and tuning, security hardening, DoD security protocols. Tune HTTPD, Java and JBoss services. Assist development staff with OS issues and debugging. Responsible for system stability and backups. Develop Bash scripts as required. Install and monitor SENDMAIL. Work with Oracle DBAs to assist with monitoring of applications and services. Produce and maintain documentation, user guides and system administration guides. Knowledge of XML and Java. Excellent knowledge of the majority of UNIX/Linux utilities and tuning techniques. Configure NTP, SSHD, DNS. Knowledge of C, Python, Bash, KSH and LISP. Install Windows and Linux patches as required.

NASA, Washington, DC (2003 - 2006)

Systems Engineer - Responsible for the design, configuration and deployment of Windows 2003 Active Directory. Configure DNS servers residnet on Linux running OpenBSD. Install, build and configure Windows 2003 servers and workstations. Install and configure various flavors of the Linux OS (Red Hat, Fedora, OpenBSD, FreeBSD). Perform maintenance and administration of Windows Active Directory and Juniper Instant Virtual Extranet (IVE). Administer RSA ACE server. Provide administration and maintenance of PatchLink server. Administer NTP server and DNS server on Windows and Linux platforms. Provide user support and account administration services. Administer Single-Sign-On (SSO) to Windows file shares. Install Windows and Linux patches are required.

Lockheed Martin, Chantilly, VA (2002 - 2002)

Systems Integration Specialist - Worked on the redesign and recoding of an embedded power control application. Used object oriented design techniques to re-engineer an autonomous application designed to control relays, switches, batteries, generators and power control hardware using QBasic.

GE Information Services, Gaithersburg, MD (1995 - 2001)

Visa Interactive, Herndon, VA (1995 - 1995)

Unix Systems Administrator - Performed UNIX system administration using Sun and HP servers. Installed the UNIX Operating System, administered user accounts, established security policies, assisted over 200 end-users and programmers with configuration issues. Applied OS patches as required. Installed and configured applications software. Wrote programs to automate processes. Performed system backups and configuration.

General Services Administration, Washington, DC (1991 - 1995)

Computer Specialist - Team leader responsible for the design, development, implementation and support of the Electronic Data Interchange software utilized by the Financial Software Support Staff. Also served as a team member of the Honeywell Operating System Support Group. Performed UNIX system administration. Installed, configured and maintained the GCOS-8 Operating System (Honeywell/Bull). Assisted applications programmers with debugging and program development. Installed, configured and maintained network of UNIX servers for EDI system.

Honeywell, Phoenix, AZ (1988 - 1991)

Principal Engineer - Team leader of the FS8 file system migration project. Developed migration utilities to facilitate the in-place conversion of the FMS file system to FS8. New file system supported long filenames, symbolic links, improved backup and restore utilies and superior performance. Member of the File System Products Group. Assisted worldwide customers with file system issues on the Honeywell Bull mainframe. Designed and developed assembly language routines to support OS level system functions. Reviewed, investigated and resolved System Technical Action Requests submitted by customers. Identified problems, examined source code and corrected errors. Documented all changes. Assited the Technical Assistance Center (TAC) with resolution of software errors.

Inter-American Development Bank, Washington, DC (1985 - 1991)

Systems Programmer - Team leader responsible for the integrity, maintenance and operation of the Honeywell DPS8000 mainframe. Staff member of the IBM MVS Operating System Team. Developed, tested and coordinated system disaster recovery procedures. Managed, installed, configured and maintained the Operating System on multiple mainframes. Integrated third-party software into the mainframe environment. Performed ad-hoc maintenance. Assisted programmers with JCL, coding and debugging.

Systems and Languages

System Administration using HP-UX, Solaris and Linux

Shell Programming using Korn and Bourne Shells

Configuration of TCP/IP, DNS

Experience with Assembly Language (GMAP), COBOL, Fortran, HTML, TCL/TK

Operating Systems: HP-UX, Solaris, Linux, GCOS8, GE Mark III

Hardware Platforms: HP-9000, Sun, Unisys U600, Honeywell DPS9000

Knowledge of Oracle SQL and PL/SQL

Education and Professional Development

B.S., Math/Physics, University of Colorado, Boulder, CO, 1972

UNIX Systems/C Programming Certificate, George Washington University, Washingtion, DC, 1994

C++, Northern Virginia Community College, Fairfax, VA, 2000

JAVA Certificate Program, George Mason University, Fairfax, VA, 2001

Oracle SQL and PL/SQL, Northern Virginia Community College, Fairfax, VA, 2002

Microsoft MCSA, Global Knowledge, Fairfax, VA, 2006

Supplemental Information

PC Computing, Word, Excel, Windows XP, 2000, 2003

Red Hat Linux, Fedora Linux installation and programming

Strong analytical skills; attention to detail

Testing, maintenance and development experience

Familiarity with systems integration, independent validation and verification

Top Secret clearance

Private pilot license