Systems Administrator

GD Information Technology•Springfield, MO

9d•$71,445 - $96,661•Onsite

About The Position

At GDIT, people are our differentiator. As a Systems Administrators you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Administrators with Linux and Windows Infrastructure experience to manage and maintain mission-critical operational IT systems and mission applications in Springfield, Virginia. HOW A SYSTEMS ADMINISTRATORS WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team that provides IT Systems Administration support to global real-time operational activities. Critical thinking and troubleshooting skills are essential to resolving operational problems and clear communications and briefing skills are essential when communicating with the team, its users, and individuals in leadership roles. You must be willing/able to work core hours between 6:00 am to 6:00 pm during the week and participate in on-call rotation for after-hours support.

Requirements

Must have Active TS/SCI with Polygraph and must be willing able to upgrade to higher level polygraph.
Experience installing and configuring various COTS products.
Experience providing physical and virtual support, maintenance, and security for Red Hat (RHEL 5 & 7), Sun Solaris, Windows Server 2008 & 2016, and Windows 7/10 Desktop
Experience with Nagios, Active Directory, NetBackup.
Experience with Authentication and Account Management (Active Directory, DNS, LDAP, TACACS, Local, KVM))
Experience with virtualization (VMWare, ESXi, VCenter)
Experience with SAN (EMC, NAS/DAS)
Hardware experience: servers, workstations, peripherals, tape robots
Database experience (Oracle, SQL Server).
Technical Training, certifications, degree, or the equivalent combination of education or work experience.
1+ years of experience.
Must be DoD 8570 IAT Level II Requirement- Security+ CE
US Citizenship Required

Nice To Haves

Prior Real-time operations/mission systems experience
Red Hat Certification
Automation Concepts (Puppet)
Experience with Splunk, WebLogic, High-Speed Guards, F5 Load Balancers
Familiarity with Cisco switches and firewalls
Experience with SQL database queries and troubleshooting
Tape Library/ Backups (Symantec NetBackup)
Scripting and coding experience (Bash, PowerShell, Python).

Responsibilities

Provides Tier II support of IT infrastructure systems and custom mission applications based on a mixed Linux and Windows environment.
Create, manage, and maintain accounts and group membership in Active Directory, LDAP, TACACS, KVM
Experience managing Windows-based virtual server environments.
Hands-on working knowledge of RedHat 5 & 7 along with Windows server 2008, 2016, and Windows 10 operating systems in physical and virtual environments
Responsible for pro-active systems monitoring and evaluation of environments using Nagios and the documentation, resolution, or escalation of any problems discovered.
Responsible for daily backup monitoring and troubleshooting using Symantec NetBackup version 8.
Experience with Linux and Windows patching in an operational environment
Ensure all Linux and Windows-based systems are running current versions of antivirus software with current virus definition files; Experience with ClamAV and Windows EPO is a plus.
Ability to work with systems engineers and factory support for troubleshooting and resolution of system anomalies.
Participates in special projects as required.