Clifford Johnson

Clifford Johnson Email and Phone Number

Software Developer @ IBM
Reston, VA, US
Clifford Johnson's Location
Reston, Virginia, United States, United States
Clifford Johnson's Contact Details
About Clifford Johnson

Commercial systems software architect and developer driven by the desire produce software of exceptional quality and capability. This is supported by broad commercial software architecture, design, and implementation skills and experience bringing significant value to projects for new or re-engineered software systems where stability, robustness, extensibility, and security are requirements; highly accomplished at researching and assimilating unfamiliar technologies and standards as projects requireSpecialties: Commercial system software architecture and critical software systems development.

Clifford Johnson's Current Company Details
IBM

Ibm

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Software Developer
Reston, VA, US
Clifford Johnson Work Experience Details
  • Ibm
    Software Developer
    Ibm
    Reston, Va, Us
  • Software Ag
    Senior Software Engineer
    Software Ag Sep 2014 - Present
    Darmstadt, Hessen, De
    Contributing to the Terracotta line of products -- Ehcache & BigMemory.
  • Bmc Software
    Principal Product Developer
    Bmc Software Oct 2009 - Sep 2014
    Houston, Texas, Us
    Serving as Product Architect for the BMC Atrium Orchestrator product.
  • Greenplum
    Senior Software Engineer
    Greenplum Aug 2008 - May 2009
    Palo Alto, Ca, Us
    Stabilized and hardened the backup/restore features of the Greenplum Database; improved usability of the migration and expansion utilities of the database; solved a Python ctypes module issue preventing use of Python releases beyond 2.5 on UltraSPARC machines.
  • Secure Data In Motion, Inc D.B.A Sigaba
    Principal Member Of Professional Staff
    Secure Data In Motion, Inc D.B.A Sigaba Jul 2006 - Jul 2008
    Architected and developed a new Java-based core services suite (including a SAMLv2-based authentication service and a key generation/repository service using open-source and other third-party and “standard” technologies) to replace the core services of the SigabaNet product suite in order to support both server-based and embedded (documented API) deployment.
  • Q.Know Technologies
    Senior Software Engineer
    Q.Know Technologies Jul 2004 - Jul 2006
    Us
    Member of a team producing a re-engineered, second generation version of the Q.Know associative filing product; resposible for client/server components, MS Office integration using add-ins, MS Outlook object drag/drop support, managed-code/COM interfaces, and AccuRev deployment.
  • Metapa, Inc.
    Software Architect
    Metapa, Inc. Apr 2001 - Jul 2004
    Began as VP Engineering at Metapa -- a startup producing a database application middleware layer to cache responses of queries to a remote Oracle RDBMS. Led the architecture/design of the implementation; implemented a custom JDBC driver; implemented a class hierarchy mapping between Oracle and PostgreSQL schema objects; and implemented a number of other core modules. Bought by Metapa in 2003, the product shifted to a clustered data warehouse RDBMS based on PostgreSQL. Led the architecture of the approach (introducing some of the initial concepts) and implemented several PostgreSQL extensions.
  • Landmark Systems
    Senior Software Development Specialist
    Landmark Systems May 1999 - Mar 2001
    Us
    Software designer and IBM Assembler language developer providing infrastructure software for The Monitor for USS (TUSS) including a subsystem interface (SSI) for the collection of performance and event data.
  • Sterling Software
    Senior Systems Architect
    Sterling Software Jan 1982 - Oct 1998
    San Jose, California, Us
    Experience was wide and varied during my tenure at Sterling Software's VM Software Division (nee VM Software). Initially the sixth employee at a very young startup, my roles varied from systems software developer to systems architect to group manager to a business development analyst.Major development contributions included completion and substantial extension of the company’s VMBackup product and contributions to other VM/SP/ESA system utility products and design and development of the company’s VM:Webserver for OfficeVision product.As a senior architect, led an effort to develop an NCSC Orange Book C2/B1 offering for IBM VM/ESA.As the manager of Architecture and Design, oversaw the development of several new products including a Rexx language compiler and the first of the company’s network products; introduced PCs, the C language, and IP networking to the development organization; oversaw the introduction of the first usability lab into the development organization; and oversaw the company’s first efforts into products for the IBM AS/400 platform, CORBA DCE, and UNIX. For the CORBA DCE project, led the company’s first international development effort with team members in Virginia, Australia, and the UK.Served as a general technical/consultant for due diligence and integration work across platforms for a number of the company’s acquisitions and as a cross-divisional resource for issue analysis/resolution and new product planning.Also served as a consultant to IBM on the introduction of a backup API to the VM Shared File System (SFS) and the support of SFS by OfficeVision/VM.
  • Vm Software, Inc.
    Senior Systems Architect
    Vm Software, Inc. Jan 1982 - Oct 1998
    See description under Sterling Software ...
  • American Management Systems, Inc
    Systems Programmer
    American Management Systems, Inc Jun 1979 - Jan 1982
    Served initially as a member of a the programmer/analyst staff in a group providing framework and platform programming support to our staff of contract-oriented business logic programmers. Later moved into our datacenter to serve as a VM systems programmer.

Clifford Johnson Skills

Software Development Integration Unix Enterprise Software Databases Cloud Computing Security Oracle Architecture Agile Methodologies Programming Saas C Requirements Analysis Scrum Data Center Xml Soa Software Architectural Design Software Design Product Development Enterprise Architecture Rexx Postgresql Software Engineering Linux Java

Clifford Johnson Education Details

  • Virginia Tech
    Virginia Tech
    Computer Science

Frequently Asked Questions about Clifford Johnson

What company does Clifford Johnson work for?

Clifford Johnson works for Ibm

What is Clifford Johnson's role at the current company?

Clifford Johnson's current role is Software Developer.

What is Clifford Johnson's email address?

Clifford Johnson's email address is cl****@****bmc.com

What is Clifford Johnson's direct phone number?

Clifford Johnson's direct phone number is +170375*****

What schools did Clifford Johnson attend?

Clifford Johnson attended Virginia Tech.

What skills is Clifford Johnson known for?

Clifford Johnson has skills like Software Development, Integration, Unix, Enterprise Software, Databases, Cloud Computing, Security, Oracle, Architecture, Agile Methodologies, Programming, Saas.

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