busquedasIT
MID LEVEL SYSTEMS ADMINISTRATOR (Remote Position)
CLOSED

Confidential REF: #659


Instaclick Inc. is a developer of high capacity websites that are typically in the top 1000 websites by traffic volume in the world. Our sites often have over a million unique visitors a day. We are dedicated to provide your business with the tools and resources necessary to design, develop and maintain your company’s website. Our head office is located in Canada, nestled in the core of Toronto’s Liberty Village, one of the city’s most up and coming neighbourhoods. As one of the region’s fastest growing IT companies, Instaclick has refined its robust website development solution by addressing the unique demands of its clientele during the design process. We're excited to announce our expansion into Buenos Aires, Argentina.

Responsibilities:

  • Daily monitoring and maintenance (including periodic upgrades, backups, preventative maintenance, etc) of various staging and production environments, ensuring uptime and stability.
  • Troubleshooting systems performance issues, formulating a repair-strategy and implementation thereof.
  • Continued review of security architecture and ensuring exploitable vulnerabilities are mitigated.
  • Designing and architecting system and platform changes, according to business requirements, including systematic role-out plan/strategy for deploying those changes to live environments.
  • Configuring, testing, deploying and maintaining various:
  • physical and virtual servers
  • network equipment
  • cloud tenancies
  • databases
  • third-party software platforms
  • Integrating/interfacing hosted on-prem systems with third-party cloud-based
  • platforms.
  • Collaborate with multiple teams on various projects and deployments
  • Basic user helpdesk support (setting up accounts, VPN configs, etc)
  • Other duties as assigned.

Minimum of 3 year’s experience in a senior infrastructure engineer / systems architecture role for technology-oriented organization required.
Hands-on experience working with Linux (incl all of the below on Linux).
Strong understanding of Ubuntu Server edition and Centos/RHEL required.
Strong understanding of Linux mail systems, SMTP, large scale email platforms, DKIM, SPF and the holistic process behind email delivery/transfer.
Extensive experience working on AWS and GCP.

Experience with many of these:

  • Mac OSX / Linux (Both hardware and Operating Systems)
  • MySQL, deployment, clustering, replication, maintenance and troubleshooting
  • Network architecture, deployment and troubleshooting
  • L2 switching, VLAN’s, DNS, DHCP, etc
  • basic static routing principles
  • stateful firewalling (NAT, Zonal FW policies, etc)
  • load balancing and ssl-offloading
  • remote access and VPN concepts
  • proxying (especially Squid, HAProxy)
  • Network, physical and virtual host system security (local FW policies, IDS systems, mac-filtering, DMZ’s, etc)
  • Monitoring platforms and SNMP (Nagios, Icinga, OpenNMS, etc)
  • Cloud based security platforms (Cloudflare, etc)
  • Cloud-computing technologies (OpenStack, oVirt, RHEV or similar)
  • CDN principles and inline caching
  • Baremetal hardware, SAN
  • Backup technologies
  • Deployment automation systems (Ansible, Puppet or equivalent)
  • Expertise with multiple Web technologies including but not limited to:
  • HTTP, SSL, DNS and SMTP protocols.

Competitive salary based on years of experience. A positive work environment and a remote position, billing to Canada. 

 

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