Experience

ORCID

• United States
• Information Services
• 1 - 100 Employee

• Senior devops engineer

  • Apr 2020 - Present



HighWire Press

• United States
• Technology, Information and Internet
• 1 - 100 Employee

• DevOps Manager

  • Apr 2016 - Apr 2020

  * Architecting and implementing the redevelopment of the Cochrane Library website ** Cloudflare API integration, Ansible 2.x deployments ** Postgresql AWS RDS database tuning ** Nginx graylisting WAF ** Haproxy load balancing ** Custom solr replication failover daemon * Writing custom Java threaddump and JVM analysis tooling * Working with Docker compose and Swarm to deploy stateless web applications * Handling oncall duties with opsgenie * Working with Vmware Vsphere * Redesigning Highwire's network with site 2 site links and Wireguard + updating Cisco, Juniper and F5 hardware Show less



SEMANTICO LIMITED

• United Kingdom
• IT Services and IT Consulting
• 1 - 100 Employee

• DevOps Engineer

  • Jun 2015 - Apr 2016

  * Designing a custom Postgresql replication and failover daemon * Adding Puppet Heira like lookup service * Designing a custom Postgresql replication and failover daemon * Adding Puppet Heira like lookup service



Semantico

• Infrastructure Services Manager

  • Aug 2014 - Jun 2015

  * Defining and implementing hybrid on prem and cloud hosting (Amazon Web Services) for Semantico* Working with Cloudformation and Ansible to perform Elastic Beanstalk immutable deployments for new access management system* AWS network design of VPC, security groups and NACL

• Systems Administrator team lead

  • Sep 2013 - Jul 2014

  * Managing an agile ops team prioritizing kanban tickets and mentoring juniors

• Systems Administrator

  • Apr 2007 - Sep 2013

  * Managing ITIL corporate operations, DNS, email, Windows Linux and OSX desktops. Maintaining shared storage and virtualized servers and offsite backups and Asterisk VOIP phone system. Looking after core infrastructure web apps including Jira bug management and the request tracker ticketing system.* Managing two data centres. BGP multihoming, firewalling, switched networks, Nagios and graphite monitoring and performance reporting.* Provisioning Debian and Redhat Linux distributions using DHCP pxebooting, Puppet config management, Mcollective job execution, custom OS packaging.* Puppet deployment scripts for the major Linux services including Semantico’s own Java and Perl web application environments including Tomcat, Apache and Postgresql.* Providing some 3rdline ticket support, key documentation, managing CA signed SSL certificates and writing custom monitors for Semantico web apps.* Providing specific consultancy on the company’s online publishing products and help with publishers XML data.* Design architectures for new managed hosting proposals to cater for redundancy and virtualization requirements.* I do some programming and support the development teams build and testing environment with Jenkins, Maven and Selenium. Show less



Thus

• Bradford, United Kingdom

• 3rd Line Support engineer

  • Feb 2006 - Apr 2007

  * DSVR.co.uk - Jailed virtual private server webhost. Scripting common guest server checks and automating paid for installation of open source web apps. Advised on PHP security issues. Authored the internal wiki documentation that 1st line support team use. * Legend - ISP and hosting provider. Data centre duties. Managing tape backups, remote hands and provisioning racks. Managed legacy POP email services involving qmail, vpopmail, NIS. Helped with DNS migrations to THUS' new London DC. Supported dedicated managed hosting solutions (Linux and Windows) including firewall changes, patching, hardware repairs. Provided email and phone support to large tier 3 corporate and public sector clients. * Businessserve - ISP and hosting provider. Dealt with escalated email, ADSL, DNS and hosting tickets relating to the Exim mail cluster with LDAP customer data backend. Show less