Systems Administrator

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 ADMINISTRATOR 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. Responsibilities Provides TierII 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 RedHat5 &7 along with Windows server2008,2016, and Windows10 operating systems in physical and virtual environments. Responsible for proactive 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 version8. 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. Education Technical training, certifications, degree, or the equivalent combination of education or work experience. 1+ years of experience. Qualifications 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 RedHat (RHEL5 &7), Sun Solaris, Windows Server2008 &2016, and Windows7/10 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). Would be Nice to Have Prior real‑time operations/mission systems experience. RedHat 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). What You'll Need to Succeed Education: Technical training, certifications, degree, or the equivalent combination of education or work experience. Required Experience: 1+ years. Security Clearance Level: TS/SCI with polygraph. Must be DoD8570 IAT LevelII Requirement- Security+ CE. Location: Springfield, VA. US Citizenship Required. Benefits 401K with company match. Comprehensive health and wellness packages. Internal mobility team dedicated to helping you own your career. Professional growth opportunities including paid education and certifications. Cutting‑edge technology you can learn from. Paid vacation and holidays. #J-18808-Ljbffr General Dynamics Information Technology