This job description summarizes the main duties of the job. It neither prescribes nor restricts the exact tasks that may be assigned to carry out these duties. This document should not be construed in any way to represent a contract of employment. Management reserves the right to review and revise this document at any time. POSITION SUMMARY: With a wide range of knowledge, maintains data files and control procedures for a complex system of networked computers or for a single group of microcomputers linked to a host workstation, or mainframe. Responsible for system security and data integrity. Assigns passwords and monitors use of resources, backs up files as required and responds to management requests for information. RESPONSIBILITIES: Establishes and maintains user accounts, assigns file permissions and establishes password and account policies; installs, upgrades, configures, tests, maintains and supports operating system software in a production environment. Responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. Reviews performance logs and monitors system performance. Troubleshoots and resolves system hardware, software and communications problems; creates shell programs and utility scripts; performs configurations and adjustments to enhance database file capacity; performs automated and manual backup and restore processes. Installs, configures and tests software packages. Provides user support and may conducts user software and hardware training to formulate technology solutions and ensure the effective safeguarding and sharing of enterprise data. Evaluates requests for hardware and software; researches and recommends solutions to technology needs, compatible with the client‘s technology architecture and infrastructure and resource constraints. Performs daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups. Performs daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary. Performs regular file archival and purge as necessary. Creates, changes, and deletes user accounts per request. Provides technical guidance to less experienced systems administrators. Analyzes functional business requirements and design specifications for functional activities. Should provide identification/fixing for the problems within existing systems design/implementation of new systems, enhances the existing systems and participates in analysis, design and new construction of next generation IT systems. Responsible for understanding the needs of the customers and the realities of commercially available IT products, and creating requirements that will allow implementation by the architecture and engineering team and COTS products. EDUCATION & EXPERIENCE: Typically requires bachelor‘s degree or equivalent, and five to seven years of related experience. Must possess experience of system engineering in one or more areas including telecommunications concepts, computer languages, operating systems, database/DBMS and middleware. MCSE, Linux RHCSA, Citrix CCNA, Sun Solaris SCSA certifications are highly preferred. MS Project or Primavera highly preferred PHYSICAL DEMANDS: Normal demands associated with an office environment. Ability to work on computer for long periods, and communicate with individuals by telephone, email and face to face. Some travel may be required. This position is in support of future opportunities. As we get closer to filling this position, we will be contacting qualified candidates. If you are selected to interview, you will be contacted directly by a recruiter. COMPANY DESCRIPTION: CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. Join CACI, where you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian clients. A member of the Fortune 1000 Largest Companies and the Russell 2000 Index, CACI provides dynamic careers for approximately 15,000 employees working in over 120 offices worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.