E01-B02 Senior Linux System Administrator

Start Date: Immediate At EXPANSIA we are focused on partnering with America's top companies to acquire new talent with speed, accuracy, and a differentiated pricing model. We pride ourselves in acquiring top talent to ensure our clients' competitive advantage. EXPANSIA is a service-disabled, veteran-owned small business (SDVOSB) delivering exceptional strategy and technology integration services to the U.S. Federal Government. We support several Department of Defense (DoD) and Federal Agencies across the CONUS. OVERVIEW Full-time/Permanent Employee Location: Vicksburg, MS In support of the Engineering Research and Development Center (ERDC), the team provides program management and technical support necessary to advance services, capabilities, infrastructure, and technologies. The proposed salary range for this position is$71,000 - $93,000. There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, education, and certifications. Our employees value the flexibility EXPANSIA allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our unique mix of benefits options is designed to support and protect employees and their families. Employment benefits include health and wellness programs, income protection, paid leave and retirement and savings. RESPONSIBILITIES Perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines, and GP/GPU cluster-based systems. Coordination with network administrators required. Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space. Developing and monitoring policies and standards for allocation related to the use of computing resources. Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment. Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques. KEY QUALIFICATIONS Clearance: Secret with ability to obtain Top Secret Clearance Education and Years of Experience: Bachelor's Degree and 4 years of experience or a Master's Degree and 2 years of experience or an Associate Degree and 6 years of relevant experience in Computer Science field. (Degree is negotiables with a High School Diploma and 8 years of relevant experience) DoD 8570 Certification compliance - Security and OS cert, Linux, RedHat, etc. 90-day waiver may be provided to obtain the OS cert May require occasion after hours support and response to emergency situations for problem resolution Experience with compiling, installing, and porting software. Ability to understand application scaling issues related to problem resolution, algorithm choice. Experience with Storage Architectures: SAN, SAS, FC, SATA, Bandwidth, Performance Ability to manage development of appropriate application benchmarks, analyze results and determine optimal configurations for processor type/speed, size of memory/cache, and memory interconnect fabric for customer problem domains. Familiar in multi-factor authentication platforms and solutions, and Identity Management such as OpenID, LDAP, and Kerberos. Security implementations using multi-factor authentication, PKI, or Kerberos and Unix OS hardening to DoD STIG standards. Experience programming or troubleshooting Python code Experience with supporting Apache Web Server Experience with Zabbix Experience with Red Hat Satellite or Red Hat Identity Manager Experience with BIND DNS Experience with Ansible Experience with Gitlab Demonstrated understanding of government procurement requirements Demonstrated integrity and accountability Focused on the mission of support our nation's warfighters Passion for transformative results Courageous decision maker Transparent work and communication style Desire to learn and grow Travel - as assigned HIGHLY PREFERRED QUALIFICATIONS Extensive knowledge of Linux and Unix operating systems concepts as well as systems administration experience Ability to develop and maintain documentation on system administration procedures for routine and complex tasks Ability to create and maintain Information Assurance (IA) compliance documentation of the Information System EXPANSIA is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities