Senior Systems Administrator - Linux
Location: US, CA, Redlands
Department: Technology
Employment type: Full-time
Required experience: Mid-Senior level
Required education: Bachelor's Degree
Industry: Information Technology and Services
Function: Information Technology
Company profile: Our passion for improving quality of life through geography is at the heart of everything we do.  Esri’s geographic information system (GIS) technology inspires and enables governments, universities and businesses worldwide to save money, lives and our environment through a deeper understanding of the changing world around them.Carefully managed growth and zero debt give Esri stability that is uncommon in today's volatile business world.  Privately held, we offer exceptional benefits, competitive salaries, 401(k) and profit-sharing programs, opportunities for personal and professional growth, and much more.
Description: Apply your previous experience and outstanding technical skills to support Esri’s UNIX and Linux-based environments. Closely support software development teams building Esri’s flagship ArcGIS products and work with other systems and network administrators to maintain, operate, and design key UNIX-based services within both public and internal cloud environments.Specifically…Function as a member of the UNIX systems administration team.Establish/recommend policies on system use and services.Support UNIX/Linux-related software development environments.Support production UNIX/Linux environments.Provide scripting, architectural and engineering expertise to other SME groups (compute, storage, applications, network).Handle periodic on-call duties.
Requirements: EDUCATION: Bachelor’s in computer science, technology related field, or equivalent relevant work experience.EXPERIENCE: 5+ years of previous systems administration experience.Strong interpersonal and communication skills that give you the ability to:Write proposals and papers.Act as a vendor liaison.Make presentations to customers, client audiences, or professional peers.Work closely with upper management.Ability to solve problems quickly and automate processes.Familiarity with the principles and practice of system configuration management; experience using a declarative configuration management system and a broad understanding of the role of desired configuration as part of strategic organizational knowledge (e.g. Puppet, Chef).A solid understanding of an operating system; understanding of paging and swapping, inter-process  communications, devices and what device drivers do, filesystem concepts (inode, clustering, logical partitions); ability to use performance analysis to tune systems.A solid understanding of networking/distributed computing environment concepts, including principles of routing, bridging and switching, client/server programming, and the design of consistent network-wide filesystem layouts.Ability to program in an administrative language (e.g., Perl, Python, Ruby).Extensive experience with RHEL.Experience with Solaris, AIX, HP-UX, Tru64.Experience managing Apache, BIND, and Sendmail.Experience with source code management systems (e.g., git, Mercurial, CVS, Subversion).Extensive experience interoperating UNIX/Linux machines in a Windows/AD based environment. Recommended Qualifications:Extensive programming background in any applicable language.Extensive experience with virtual environments including VMware and KVM.Experience with cloud-based IaaS or PaaS environments (e.g., Amazon AWS or Microsoft Azure).Functional knowledge of network concepts sufficient to facilitate troubleshooting and analysis of packet captures (OSI layers, TCP/IP, spanning tree).Solid understanding of common protocols sufficient to engage with other SMEs for troubleshooting (e.g., HTTP, SMTP, NFS, CIFS/SMB, etc.).Functional knowledge of storage concepts.
Benefits: Our culture is anything but corporate—we have a collaborative, creative environment; phone directories organized by first name; a relaxed dress code; and open-door policies.A Place to ThrivePassionate people who strive to make a differenceCasual dress codeFlexible work schedulesSupport for continuing education College-Like CampusA network of buildings amid lush landscaping and numerous outdoor patio areasOn-site café including a Starbucks coffee bar and lounge areaFitness center available 24/7Comprehensive reference library and GIS bibliographyState-of-the-art conference center to host staff and guest speakers Green InitiativesSolar rooftop panels reduce carbon emissionsElectric vehicles provide on-campus transportationHundreds of trees reduce the cost of cooling buildingsIncentives for employees who walk, bike, or carpool to workCalifornia-grown produce available for purchase in Esri Café
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