Senior Linux Systems Administrator
3500 USDSenior Linux Systems Administrator
Qualifications
• Bachelor’s degree in CS, IS, Engineering and 5+ years’ experience with CentOS or Red Hat.
Industry certification in lieu of degree is acceptable.
• Expert understanding of CentOS, Red Hat, Tomcat, Apache, Netapp and NFS.
• Working knowledge of TCP/IP networking, VLANs, firewalls and load balancing.
• Ability to work collaboratively and communicate effectively with a wide range of technical and
non-technical team members.
• Experienced system administrator who has maintained a large number of systems supporting
SaaS applications in a high-availability production environment
• Deep understanding and experience using the LAMP stack to build a 24x7 critical infrastructure
and applications
• Experience using scripting and automation to maintain and implement systems
• Experience with Apache/Tomcat Clustering
• Proactive, self-starter, works independently and on a team
• US work authorization required
Plus Skills:
• OpenCMS publishing platform
• MySQL
• VMware vFabric, ESX 4.1
• MongoDB databases
• Splunk log aggregation
• F5 load balancers
• Keynote monitoring
• Knowledge of PCI SAS70 SOC2 audit and compliance standards.
Responsibilities:
• Management of Linux based systems and applications in high traffic SaaS Production
environment
• OS installation, upgrades, patching, tuning, monitoring and troubleshooting
• Support Staging and Production environments with product deployments/releases
• Administer backups and restores for large environment
• Track performance and capacity on an ongoing basis
• Participate in 24x7 on-call rotation to support production systems.
Compensation depends on qualification.
-
1 day
20 1 day5 years experience in Rhel administration, firewalls, 2 years in VMWare ESXi,
Current freelance projects in the category Desktop Apps
Need an Airtable architect to build a relational schema and a new clean Airtable base.Need help rethinking and building a clean relational schema for an internal operational system on Airtable. The current database is already in use by the team, but it has grown organically: the structure is partially flat, some tables/views are actively used, while others are… Databases & SQL, Desktop Apps ∙ 2 days 8 hours back ∙ 9 proposals |
Creation of software for generating cutting files for wooden puzzlesWe are looking for a developer to create software that automates the process of building cutting files for wooden jigsaw puzzles. Current Process Currently, each file is created manually by a designer in Adobe Illustrator. The file contains: the outer contour of the puzzle in… Desktop Apps ∙ 2 days 12 hours back ∙ 14 proposals |
Small edit on the website
16 USD
Need to update the offer agreement in the footer to a new one, the company has changed its regulations Task will take 20 minutes Web Programming, Desktop Apps ∙ 3 days 14 hours back ∙ 110 proposals |
Account reconciliation tool with the bank, cards, and accountantTechnical Assignment: Tool for Reconciling Accounts with Bank, Cards, and AccountantGeneral Goal A local tool (script/small application in Python) is needed, which is manually run once every 1-2 months on my computer and performs reconciliation between: Invoices I issued to… Python, Desktop Apps ∙ 5 days 21 hours back ∙ 43 proposals |
Add pauses of 10-30 seconds between sending emails.
Hello! I am looking for an experienced 1C / BAS (BAF) programmer to promptly resolve a technical issue with email distribution.Problem essence: We use the accounting program BAF (Business Automation Framework), version 2.0. Once a month, there is a need to send about 300 emails… Web Programming, Desktop Apps ∙ 11 days 13 hours back ∙ 10 proposals |
Florida