Linux Systems Engineer
Vistronix, Inc. - Annapolis, MD

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Are you a skilled Systems Engineer with a particular expertise with Linux? If so, Vistronix may have your next exciting career opportunity! We are currently looking for a Linux Systems Engineer to join our Annapolis, MD. The selected candidates must be knowledgeable of and experienced with Linux administration, systems integration, and systems support. You will have the opportunity to work with a multi-functional technical group which includes technical professionals with expertise in network administration and infrastructure, web application development, database administration, etc.

Principal responsibilities include:
Responsible for or participating in all infrastructure initiatives within the program that involve Linux, Apache, MySQL, and cloud-based solutions.

Build and support a rapidly growing Linux web infrastructure

Support existing RHEL modeling cluster

Implement new and maintain existing Linux infrastructure.

Implement and maintain LDAP authentication and centralized management for Linux systems

Perform root cause analysis for service interruption recovery; create preventative measures.

Monitor performance for all responsible server systems.

Monitor and maintain system security to ensure system integrity.

Requirements:
The selected candidate must have a Bachelor’s Degree and at least seven years of relevant experience, with five or more years specialized in administration and design of computer networks and systems. Five years of relevant additional experience may be substituted for a B.A. or B.S. degree.

Required Skills and Competencies:
Strong skills in Apache performance tuning and high availability

Linux (RHEL/OpenSUSE/Ubuntu)

Shell scripting (bash)

Web service deployment (Apache, Tomcat, etc…)

Experience with load balancers

Familiarity with PHP and deploying and tuning PHP applications

Experience with MySQL servers

Nagios and/or other monitoring experience

Familiarity with security compliance (FISMA / NIST 800-53 / ISO 27001)

Familiar with HTTP/HTTPS, FTP, SMTP, Message queuing, Proxy servers, VPN.

Strong written and verbal communication skills

Desired Skills:
Experience in supporting RHEL clusters and HPC software such as Slurm and xCAT

Advanced experience with Amazon (or similar) Cloud Services

Experience in reverse proxy software

Source control experience (Subversion preferable)

Strong documentation and reporting skills

Familiarity with Microsoft Office Products including Visio and Project

Successful candidate is subject to a background investigation by the government and must be able to meet the requirements to hold a position of public trust.

Vistronix staff members enjoy a collaborative working environment. We recognize our staff for their contributions to the team’s success as well as individual professional accomplishments. Vistronix offers competitive salaries and a very comprehensive employee benefits program. We are an Equal Opportunity Employer.

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