System Administrator (Global Network Operating Center - GNOC)

Secure our Nation, Ignite your Future

ManTech is seeking a System Administrator for our GNOC team to support our Marine Corps Intelligence Activity contract on MCB Quantico

This role requires an active DoD TS/SCI clearance.

Candidates must be open to all shifts.

Target shift for this role - Sunday, Monday, and Tuesday 6pm-6am

General Responsibilities:

• First line of defense of Incident Response for the MCISRE 
• Maintain a 24/7 presence to managing an entire domain with over 40 garrison and tactical sites. 
• Work will be in shifts to include nights, weekends, and up to 12-hour workdays with a changing/rotating schedule. 
• Assist in administering and maintaining Windows servers, Windows Workstations, Virtual Machines, and other critical systems in an enterprise environment. 
• Able to use System Center Operations Manager (SCOM) and Service Manager Console to monitor enterprise services and generate tracking tickets as needed.  Provide user support for all enterprise services. 
• Diagnose and resolve technical hardware and software issues by conducting basic and tier II troubleshooting for servers, workstations, and applications within the Active Directory environment providing first call resolution to incident reports and requests for service.  Escalate all issues that cannot be resolved. 
• Open an incident response ticket for all incidents and open a service ticket for all service requests.  Monitor all tickets from creation to resolution to closure. 
• Assist and support with account creations, resetting passwords, troubleshooting system and network problems, installation of hardware and workstations, unlocking accounts, and transferring data. 
• Brief leadership on the health of systems, individual and/or enterprise 
• Support Accreditation efforts 
• Providing user support, guidance, troubleshooting, and training 
• Recommending and implementing upgrades, patches, new applications, and new equipment 
• Update/Create documentation as needed (user guides, admin guides, knowledge base articles, FAQs, quick reference guides) 
• Other duties as required. 

Mandatory Skills Requirements:

• TS/SCI Clearance 
• Meet DoD 8570 IAT Level II requirements (for example, must have and maintain active Security + CE, Microsoft certificate, and at least 3 years in IA technology or a related area) 
• Working knowledge of SCOM 
• Working knowledge of Service Now 
• Active directory (user account creation, password resetting, Kerberos setup, PKI setup) 
• Set-up, configuration, and support of internal and external networks 
• Identifying and analyzing systems requirements 
• Developing and maintaining system applications/security/network configurations 
• Troubleshooting network performances issues 
• Providing user support, guidance, troubleshooting, and training 
• Recommending and implementing upgrades, patches, new applications, and new equipment 
• Developing and maintaining disaster recovery solution and documentation 
• Ensuring proper documentation, coordination, and maintenance of multiple systems 
• PowerShell scripting using any/all the respective plugins related to the applicable technologies. 
• Working knowledge of DoD STIGs related to the applicable technologies and how to implement, mitigate, and write POAM statements. 
• Respond to, incidents, change requests, and service requests making sure to follow up with the customer to ensure completion. 

Other Skills Preferred:

• Knowledge of standard DoD and Marine Corps concepts, practices, and procedures.  Familiarity with Navy/Marine Corps interoperability requirements is preferred. 
• Active Directory, Group Policy, Linux OS, Networks, MS Exchange, MS Lync, SCCM, Service Manager, MS Hyper-V, MS SQL Server, Networked Printers/Services, Distributed File Services, Data Protection Manager, SMB, JavaScript, SharePoint 

Physical requirements:

Must be able to remain in a stationary position 50%

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corpor