IT System Engineer II - Linux | Twitter, Inc. | San Francisco, CA
IT System Engineer II - Linux
Infrastructure Operations | San Francisco, CA
Twitter is searching for a seasoned Systems
Administrator, who will be responsible for building and maintaining
internal systems for Twitter’s corporate IT organization. The ideal
candidate will have significant experience with supporting complex
heterogeneous environments and will have core knowledge of storage,
virtualization, application servers, and databases.
The ideal candidate is someone who asks questions, is confident in not knowing everything, and would rather collaborate than go it alone. You are crisp and detail oriented, but able to fly outside of the boundaries when necessary. On top of your proven history of success, you have a passion for technology and like us you value hard work and fun in equal measure. We believe that it takes both to build a strong team.
As Twitter continues to expand, we are growing rapidly and need someone, who is ready to help our internal systems take wing and fly.
Roles and responsibilities
Desired Qualifications
The ideal candidate is someone who asks questions, is confident in not knowing everything, and would rather collaborate than go it alone. You are crisp and detail oriented, but able to fly outside of the boundaries when necessary. On top of your proven history of success, you have a passion for technology and like us you value hard work and fun in equal measure. We believe that it takes both to build a strong team.
As Twitter continues to expand, we are growing rapidly and need someone, who is ready to help our internal systems take wing and fly.
Roles and responsibilities
- In collaboration with the other members of Twitter’s internal IT systems team, design, build, tune, maintain & administer the systems that support corporate IT services
- Work closely with Twitter’s engineering teams, to implement and maintain Twitter’s infrastructure standards including storage and virtualization
- Troubleshoot advanced issues with hardware, software, applications, & networking
- Evaluate and implement new technologies for the corporate infrastructure.
- Respond to tactical support escalations
- 7+ years of experience with the following:
- Linux/Unix systems administration
- Hardware installation and configuration
- Virtualization - VMWare preferred
- Storage - NetApp Preferred
- Experience with performance tuning, system hardening, package installation, patch management updates, and server management issues
- Demonstrate core knowledge of common applications and protocols including: HTTP/Apache, DNS/BIND, SSH, DHCP, SNMP, NFS, Puppet, Cacti, NTP, MySQL, & Nagios
- Expert knowledge of authentication or access control systems and protocols: Active Directory, LDAP, SAML, Kerberos, & PAM
- Familiarity with implementing and supporting common network & systems monitoring tools including: Syslog, MRTG, nagios, & Cacti
- Experience with VMware, Citrix or other virtualization technologies
- Write and maintain administrative scripts using Perl, Python, and/or Ruby
- Experience in fast paced, high-growth IT environment
- Expert knowledge of troubleshooting tools (i.e tcpdump, netstat, iostat, traceroute)
Desired Qualifications
- B.S. in Computer science or equivalent experience.
- Experience writing tools and automation to help with day to day tasks.
- Previous experience with IP Telephony(VOIP) & H.323 are a huge plus
- Comprehensive understanding of OSI model with a specific concentration on Layers 2-3
- Understanding of best security practices
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