Senior Systems Administrator

Ref#: 16061

Function: IT

Location: United Kingdom, London

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OpenText enables the digital world as the global leader in Enterprise Information Management, both on premises or in the cloud. We embrace all things digital and are committed to being the Best Place to Work for our Employees in over 140 locations around the world.

We obsess over our customers to ensure they are wildly successful in embracing the Digital World. Our customers entrust us with their most important information, we need to be their most trusted partner. What we do, we do well. What we create, we do purposefully to impact the world. If you believe in this and are passionate about enabling the Digital World then let OpenText turn your career vision into reality.

The Opportunity:

As the Systems Administrator, you are responsible for evaluating, planning, and configuring, implementing, controlling, monitoring, maintaining and troubleshooting secure computer environments. These responsibilities are generally associated with multiple function tasks of medium to large / high size, scope and complexity.
Provide support for OpenText’s cloud based messaging platforms with a focus on application services running on Solaris, and Linux based systems.  Application support includes all internet facing services, to telephony edge based services, to document translation subsystems and internally developed custom applications.

You are great at:

• Perform the planning, coordination and execution of software and hardware installation, configuration, maintenance and upgrades.
• Administration of Internet facing services (HTTP, FTP, SSL, SOAP, XML/API, SMTP, DNS, TLS, Web Services, etc)
• Monitor performance and apply corrective action to ensure optimal performance.
• Write and maintain systems, infrastructure, procedural and process documentation.
• Provide technical assistance by responding to inquiries from others regarding errors, problems, or questions about software, hardware, systems and infrastructure.
• Troubleshoot and resolve issues, interfacing with others as required.
• Stay informed on changes in technology and within the computer industry and keep current on security protocols, applicable laws and regulations.
• Use established methodologies and documented procedures to perform assigned tasks and keep work and data center environments clean, secure and well-maintained.
• Manage work to meet milestones in accordance with the project plan and keep management and project managers informed of issues and status.
• Recommend and evaluate new and more effective approaches to system administration, including procedural changes, future hardware / software needs and tools to enhance productivity.
• Teach and coach others to enhance their technical skills, troubleshooting techniques and system administrator practices.
• Participate in short and long term projects where interaction with internal and external organizations/customers/vendors is required.
• Installation and configuration of internally developed and third party commercial & open source application software in our test and production environments.
• On Call responsibilities
• Attending regularly scheduled off-hours site/platform maintenance on weekends every 6 weeks or as needed

What it takes:

• 5-7 years of experience in UNIX (Solaris) and Red Hat Enterprise Linux administration.
• 3-5 years hands on administration of SMTP (Sendmail, Qmail & Message Systems), FTP, HTTP, SSL, JBoss, Apache, SOAP, and Web Services.
• 3-5 years of experience in deploying and installing packages on Solaris, Linux and Windows operating systems.
• 3-5 years of Domain Name Service Administration Bind 9.x on UNIX hosts.

• Bachelor’s degree and a minimum of 5-7 years of related experience. Equivalent work related experience or equivalent combination of education and experience will be considered.
• Demonstrated proficiency in systems administration from coordination through implementation to maintenance through proactive monitoring.
• Proven skills to handle progressively complex system administration.
• Working knowledge and experience with: Operating platform(s) and administration, Data storage and communication, Hardware and software platform configurations, Networking and network administration, Security, Active directory services and concepts, and Virtualization.
• Experience in Windows Server & VMware ESXi administration would be a plus.
• System/network security related experience would be a plus.
• Established technical problem solving and critical thinking skills, including the ability to think creatively to find solutions.
• Must be willing to work flexible hours as required by a 24x7 production environment.
• Ability to work well under stressful situations.
• Written, verbal and listening communication skills to write documentation and communicate with managers, customers and colleagues.
• Coordination, organization and teaming skills.
• Ability to produce high quality work in accordance with project timelines.
• Ability to see the big picture and quickly grasp and apply technical concepts.
• Ability to multitask and respond to priority issues effectively.
• Must be self-motivating and capable of working both independently and as part of a team.

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