Japheth c. Cleaver

EXPERIENCE

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  Linux systems engineering and PostgreSQL performance tuning for DNA sequencing and processing laboratory in mixed EL6/7 and Windows Server environments
  
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  DNS re-architecture; monitoring using PRTG, SolarWinds, and SumoLogic endpoints
  
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  RedHat Enterprise Linux OS version uplift (5/6 to 7), lifecycle and core IT monitoring functions for on-site deployments
  
  
  

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  Lifecycle design for all AWS-hosted Linux clusters, including stateless redeployment and persistent OS stacks, and internal Linux operations and development servers
  
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  Salt integration with Amazon EC2 systems deployment
  
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  Kafka deployment for internal messaging bus with Kubernetes
  
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  Primary engineering responsibility for forward-deployed Linux servers of medical RTLS data to best practices. (OS uplift, SELinux and security auditing, monitoring, lifecycle)
  
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  Architecture of CI build systems for 3-tier java stack deployments, reimplementing existing RPM design with best practices for RHEL 6 and Apache Tomcat/Spring deploy
  

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  Senior Linux Engineer (WWT, Inc) with Intuit
  
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  Lead System Engineer (VACO), with FICO
  
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  Lead Linux System Administrator (Insight Global), with HD Supply
  

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  Linux systems design for standard three tier web stack on site-deployed voting systems
  
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  Architectural support for third-party auditing of live voting systems
  
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  Chef config management and ELK (Elastic, LogStash, Kibana) use for CI pipeline
  

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  Architect and developer on the core Xymon monitoring platform, providing a unified raw data stream for 100K+ CI objects consumed by various downstream systems, including the Alerting, Business Intelligence, and Big Data platforms.
  
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  Platform integration work with internal and external instances of the SN application.
  
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  Drove cross-operational team collaboration on a variety of maintenance and technical initiatives, bridging SRE, OpsEng, SysEng, and Platform Development orgs.
  
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  RPM packaging, scripting, and automation for RHEL/CentOS deployment images.
  
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  Rotated/continual 24/7 on-call support
  

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  VMware maintenance and deployment on Dell hardware
  
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  Forward-deployed Linux installs for on-site govt and financial data analysis clusters.
  
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  Performance monitoring and metrics for CI build systems.
  

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  Deployment and maintenance of Linux systems and app software in multiple clusters across eight data centers totaling approximately 4000 mostly Dell PowerEdge hosts
  
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  Took lead on several projects, including: host classification, Citrix Xen virtualization, third-party server hosting (for SCEA and other Sony entities), integration of internal build clusters on RHEL-like platforms, and RedHat automated provisioning tech (cobbler)
  
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  Architectural planning for redesigns of DNS, internal mail service, configuration change management, and build control systems for game nodes and world clusters
  
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  Evangelized cross-department coordination of monitoring systems, such as Zenoss and Xymon (and contributed code back to the latter project)
  
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  Run-of-business activities included DNS, mail, Apache, and Tomcat configuration management, RSA SecurID (ACE/Server) management, OS upgrades, and security fix deployment across installed base for Sony’s GISS compliance
  

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  Stayed on after purchase of Volonet Technologies performing substantially the same duties, but with added emphasis on VoIP infrastructure support
  
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  Level-1 NOC management during transition and prior to outsourcing
  

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  Product development and administration of managed services, dedicated Linux servers, and webhosting platforms
  
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  Extensive critical support and programming for managed Linux server customers
  
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  Deployment of clustered, HA Linux systems for internal and customer use
  
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  OSS development and patching, and deployment using RPM
  
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  Implemented custom billing and provisioning software to replace legacy systems
  
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  Monitoring-system integration across Hobbit, Big Brother, WUG, Netcool, and mon
  
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  Development and support of distributed qmail/vpopmail clusters using NetApp (SAN) and custom multi-TB RAID network storage. Services were still in use eight years later in substantially the same form.
  

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  Provisioned and designed Linux, Solaris, FreeBSD, and IIS servers
  
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  Provided direct support to collocation and advanced Linux/HA cluster customers
  
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  Planned and implemented new products and services at medium-sized regional ISP (revenue forecasting, ROI, industry-tracking, etc.)
  
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  General internal website administration, using custom CMS software built from XHTML, mod_perl, fast_cgi, and other tools
  
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  Administered MySQL/MSSQL and NT4 and Win2K servers
  
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  Perl and shell scripting for Big Brother, snmp, and RODOPI billing system integration
  
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  Provisioning of DSL lines and other L2 support
  
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  24/7 on-call support
  

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  AppleScript automation for Mac deployment; developed (classic) MacOS client for Big Brother monitoring system
  
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  Off-site (in-house) training for Education Technology faculty members
  
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  Oversaw 150-200 unit SCC Lab transition from ASIP to MacOS X Server (Rhapsody)
  
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  Windows NT and MacOS desktop support to students and staff
  
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  Help desk operation support; front-level support for LaTeX, HTML, Unix tools