Security/Firewall Systems Administrator
General Dynamics Information Technology (GDIT) is looking for a Sr. Systems Administrator to serve on the security/end user boundary services team in a mission centric 24x7 enterprise operations & data center(s) infrastructure. Candidate will support a wide variety of classified and unclassified networks dispersed over multiple geographic regions. The candidate will be responsible for the day-to-day enterprise network infrastructure and services. The candidate will perform the following duties: Manages the functionality and efficiency of a group of computers running on one or more operating systems. 1. Manages the functionality and efficiency of a group of computers running on one or more operating systems. 2. Maintains the integrity and security of servers and systems. 3. Sets up administrator and service accounts. 4. Maintains system documentation 5. Interacts with users and evaluates vendor products. 6. Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery. 7. Develops and monitors policies and standards for allocation related to the use of computing resources. 8. May program in an administrative language. 9. Develops and implements testing strategies and document results. 10. Provides advice and training to end-users. 11. Provides guidance and work leadership to less-experienced staff members. 12. Maintains current knowledge of relevant technologies as assigned. 13. Participates in special projects as required. Education Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience. Qualifications
- 5-8 years of directly related experience in systems administration and analysis.
- Top Secret/SCI w/ Poly is requiredSupport the various work schedules in a 24x7 Operations Center.Prior work on large, geographically disperse networksKnowledge of ITIL service management processesAdvanced knowledge of systems/security engineering principles, methods, and techniques used in network/firewall/server administration and supportKnowledge of routers, firewalls, switches, patch panels, concentrators, associated terminals, and related network hardware and softwareAdvanced knowledge of desktop, security operating systems and applications. Advanced knowledge of networking protocols and technologiesExperience with security, data center infrastructure and management equipment and systemsExperience with SAN, NAS, virtualization, and data center cloud servicesProfessional certification in one or more specific technologies is required, depending on job assignment such as Microsoft MCSE, Cisco, VMWare, Citrix, VSphere, Unified Communications, ITSM products, ITIL Foundations, PMP, Security+, Messaging, etc.