[PLUG-JOBS] Senior Systems Engineer @ Gilt Groupe (Portland, NYC, Dublin)

[Sean Sullivan]

Greetings,

Gilt is looking for two Senior Systems Engineers.  We have offices in
Portland, NYC, and Dublin.  Contact me if you'd like to know more!

Cheers,

Sean
ssullivan at gilt.com


*Job Title: Senior Systems Engineer

Reporting to the VP Infrastructure Engineering the Senior Systems Engineer
is part of a team composed of system engineers and administrators
responsible for the architecture, build, design and maintenance of Gilt
Groupe’s computing and storage infrastructure. In addition, this position
ensures the generation of design, build, operation and maintenance
documentation for the Tier I and Tier II support teams.
The Senior Systems Engineer works closely with business owners, engineers
and application development teams during the analysis and design phases of
the Software Development Life Cycle. The Senior Systems Engineer
participates in the development and definition of processes to ensure
solutions are consistent with the business strategies.   The Senior Systems
Engineer analyzes and tunes hardware/software configurations, automates
existing manual processes, and identifies improvements to our existing
tools.
Key will be the ability to adapt to a highly nimble business environment,
this means using technical skills and experience to make the right
decision, quickly. Personal and team accountability will be fundamental to
your success in this role. Establishment and evolution of key metrics,
ranging from operational to relevant business insight is critical to
success.

Because the System Engineers are also responsible to develop and maintain
our tooling and automation being proficient in Software Engineering is
essential.

Responsibilities:

   - Responsible for and assists in the troubleshooting and resolution of
   infrastructure problems escalated to the Storage and Systems support team.
   - Performs application profiling, capacity planning, workload modeling
   and forecasting on systems and storage.
   - Designs, prepares and conducts new technology evaluations to determine
   infrastructure solutions based on business requirements and makes
   recommendations for improvement of infrastructure, technology, operational
   capability, reliability and performance.
   - Analyzes the performance of the infrastructure against current needs
   and planning for needed improvements.
   - Ensures optimal system and storage configuration and provisioning
   through engineering health checks and engagement of storage / system
   vendors as required.
   - Responsible for reporting of system and storage allocation, usage
   trends, I/O performance and bottleneck analysis
   - Responsible for developing, maintaining and documenting technology
   standards used in the environment.


Qualifications:

   - In-depth experience in deploying or managing mid to large scale,
   distributed, customer-facing, e-commerce Linux environments spanning 500+
   servers and 100TB+ of storage
   - Hands-on knowledge of configuration management tools (familiarity with
   Puppet and/or Chef is a plus)
   - Clear understanding of Linux internals (e.g. Memory management, File
   Systems, Process Management, ...)
   - Advanced or fundamental understanding of the following technologies:
   Red Hat/CentOS Linux, SAN, NAS, Virtualization (Citrix XEN, KVM), RPM
   packaging, Kickstart, Cobbler, Load Balancers (Zeus/Stingray Traffic
   Manager is a plus), Git
   - Experience with open-source databases (PostgreSQL/MongoDB)
   - Extensive experience in scripting and developing automation tools
   using Shell (Bash/Perl), Ruby or Python
   - Working knowledge of Amazon EC2 infrastructure
   - Hands-on Java/Scala/Ruby/Python Software Engineering skills are a plus
   - Knowledge of system performance methodologies along with hands on
   empirical monitoring
   - Knowledge of TCP/IP networking and troubleshooting.
   - Solid understanding of DNS, LDAP, SMTP, NFS, SSH, DHCP, HTTP and other
   Internet Protocols.
   - Extensive experience in systems and storage capacity management,
   maintenance, forecasting and lifecycle planning focused on business
   requirements.
   - Demonstrated ability to manage multiple projects and change with
   shifting priorities.
   - Demonstrated ability to engage with business owners to understand
   their requirements, develop strategies to support business goals.
   - Ability to operate in high-pressure environment and successfully
   handle multiple priorities.
   - Excellent communication, prioritization and analytical skills.
   - B.S. Computer Science or equivalent experience preferred
   - At least 5 years of work experience in high-volume or critical
   production environments, including experience with performance analysis,
   systems software, and systems architecture


Experience

   - running highly-scalable, highly-available, customer-facing
   E-commerce/E-retail websites
   - with hundreds of servers, millions of customers, 10th of millions of
   page visits, +500 servers, +100TB storage
   - excellent trouble-shooting skills
   - works well under pressure to analyze/disect/narrow down a/the
   root-cause of the problem/issue
   - Understands E-commerce architectures (front-end/client,
   middle-tier/applications/services, back-end/database)
   - Understand operating system concepts (CPU, Memory, Disk, Network)


Hardware

   - knows how to build/provision a datacenter from scratch and maintain it
   either on bare-metal or in the cloud (AWS EC2/S3, Xen, VMWare)
   - including provisioning and maintenance of large SANs (Storage Area
   Networks)



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