Executive Job Description | Senior Linux Administrator
Major Investment Firm is currently recruiting a Senior Linux Administrator to be responsible for a high frequency environment. Qualified candidate will have working experience with multiple servers (1000+). Working experience from a large web server environment is also desirable.
Responsibilities to include:
· Architect Linux based solutions to business needs and requirements. Design the environment, hardware specifications, and software layers to provide for a reliable, scalable, secure and highly available Linux Systems Environment.
· Ability to find gaps in the Linux Environment and to offer a solution. To implement this solution with scripts (Perl/bash). Write scripts for task automation, resource monitoring and performance monitoring.
· Work closely with teams of Developers, Engineers and Operations to make appropriate infrastructure recommendations based on applications needs.
· Develop and maintain documentation related to the design, installation, administration, and maintenance of multiple Linux systems in a distributed computing environment.
· Manage system performance, make recommendations to improve and implement system wide changes to enhance overall system proficiency.
· Responsible for designing and maintaining a reliable, scalable, secure and high availability Linux systems environment.
· Support offsite disaster recovery efforts by participating in routine disaster recovery tests.
· Perform root cause analysis for service interruption recovery; create preventative measures and present to management.
· Ensure stability, viability and maintenance of the 24/7 mission-critical production environment.
· Provide for Level 3 escalations. Lead the L1/L2 teams, to find a solution and a create implementation plan.
· Work with project managers and technical staff in defining and documenting technical project requirements
· Ensure systems adhere to IT security policies
· Design and maintain a repeatable, documented patch deployment methodology for administrators to implement.
· Interface with hardware and software support vendors
Results Expected:
· Provide Emergency Support on an as needed basis (24 by 7).
· Continue to provide and grow role as a LINUX subject matter expert and resource.
· Work with minimal direction and be knowledge seeking.
· Ability to troubleshoot communications protocols [TCP/IP, Telnet, Ethernet, HTTP, DHCP].
· Design and document Linux disaster recovery procedures and practices
· Participate in and analyze data for capacity and performance initiatives
· Design, document and execute systems tests to complement the technical testing process
· Implement Linux security controls
· Lead technology based projects
· Evaluate new technology
· Ability to mentor and supervise junior resources in the absence of an immediate manager.
· Drive the implementation of Linux administration best practices.
· Function as part of a multi disciplined team responsible for optimizing the systems environment.
· Experience with ITIL
· Evaluate/ implement system administration automation products
Required Experience
Experience Required/Technical Skills:
· In-depth knowledge of the Linux OS (Redhat EL 4.x, 5.x).
· Deep knowledge of system internals (scheduling, memory management, tcp/ip stack, etc.)
· In-depth knowledge of LDAP, dns, ntp, kickstart, nfs, dhcp.
· Good knowledge of Networking technologies (from systems perspective), Ethernet, Infiniband (IB verbs an added plus), TCP/IP, multicast, vlan tagging, RDMA, etc.
· Be able to compile custom Linux kernels and kernel modules.
· In-depth knowledge of Kickstart procedures.
· Create/maintain kickstart environment for dynamic/reproducible system images.
· Scripting Skills: Perl/bash. Some java script. Python knowledge a plus.
· BA/BS or ten plus years of experience.
· RHCT and RHCE
Must be authorized to work in NY. Sorry but no sponsorship or relocation assistance is available.
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