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Clifford Johnson Email & Phone Number

Software Developer at IBM
Location: Reston, Virginia, United States 11 work roles 1 school
1 work email found @softwareag.com 6 phones found area 703, 713, and 707 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email c****@softwareag.com
Direct phone (703) ***-****
LinkedIn Profile matched
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Current company
IBM
Role
Software Developer
Location
Reston, Virginia, United States

Who is Clifford Johnson? Overview

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Quick answer

Clifford Johnson is listed as Software Developer at IBM, based in Reston, Virginia, United States. AeroLeads shows a work email signal at softwareag.com, phone signal with area code 703, 713, 707, and a matched LinkedIn profile for Clifford Johnson.

Clifford Johnson previously worked as Senior Software Engineer at Software Ag and Principal Product Developer at Bmc Software. Clifford Johnson holds Bs Cs, Computer Science from Virginia Tech.

Company email context

Email format at IBM

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{first}.{last}@softwareag.com
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AeroLeads found 1 current-domain work email signal for Clifford Johnson. Compare company email patterns before reaching out.

Profile bio

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.

Listed skills include Software Development, Integration, Unix, Enterprise Software, and 23 others.

Current workplace

Clifford Johnson's current company

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IBM
Ibm
Software Developer
Reston, VA, US
AeroLeads page
11 roles

Clifford Johnson work experience

A career timeline built from the work history available for this profile.

Software Developer

Ibm

Reston, Va, Us

Senior Software Engineer

Current

Darmstadt, Hessen, De

Contributing to the Terracotta line of products -- Ehcache & BigMemory.

Sep 2014 - Present

Principal Product Developer

Houston, Texas, Us

Serving as Product Architect for the BMC Atrium Orchestrator product.

Oct 2009 - Sep 2014

Senior Software Engineer

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.

Aug 2008 - May 2009

Principal Member Of Professional Staff

Secure Data In Motion, Inc D.B.A Sigaba

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.

Jul 2006 - Jul 2008

Senior Software Engineer

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.

Jul 2004 - Jul 2006

Software Architect

Metapa, Inc.

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.

Apr 2001 - Jul 2004

Senior Software Development Specialist

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.

May 1999 - Mar 2001

Senior Systems Architect

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.

Jan 1982 - Oct 1998

Senior Systems Architect

Vm Software, Inc.

See description under Sterling Software ...

Jan 1982 - Oct 1998

Systems Programmer

American Management Systems, Inc

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.

Jun 1979 - Jan 1982
1 education record

Clifford Johnson education

  • Virginia Tech
    Virginia Tech
    Computer Science
FAQ

Frequently asked questions about Clifford Johnson

Quick answers generated from the profile data available on this page.

What company does Clifford Johnson work for?

Clifford Johnson works for IBM.

What is Clifford Johnson's role at IBM?

Clifford Johnson is listed as Software Developer at IBM.

What is Clifford Johnson's email address?

AeroLeads has found 1 work email signal at @softwareag.com for Clifford Johnson at IBM.

What is Clifford Johnson's phone number?

AeroLeads has found 6 phone signal(s) with area code 703, 713, 707 for Clifford Johnson at IBM.

Where is Clifford Johnson based?

Clifford Johnson is based in Reston, Virginia, United States while working with IBM.

What companies has Clifford Johnson worked for?

Clifford Johnson has worked for Ibm, Software Ag, Bmc Software, Greenplum, and Secure Data In Motion, Inc D.B.A Sigaba.

How can I contact Clifford Johnson?

You can use AeroLeads to view verified contact signals for Clifford Johnson at IBM, including work email, phone, and LinkedIn data when available.

What schools did Clifford Johnson attend?

Clifford Johnson holds Bs Cs, Computer Science from Virginia Tech.

What skills is Clifford Johnson known for?

Clifford Johnson is listed with skills including Software Development, Integration, Unix, Enterprise Software, Databases, Cloud Computing, Security, and Oracle.

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