Sr. Systems Administrator

Clearance Level
Top Secret/SCI
Systems Administration
Arnold, Missouri

REQ#: RQ120533

Travel Required: None
Requisition Type: Regular

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on a TS/SCI level cleared Sr. Systems Administrator joining our team to support our intelligence customer in Arnold, MO.

In this role, a typical day will include:


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.




8+ years of experience



1.Knowledge of the principles, methods, and techniques used in computer, network and storage system administration and support.

2.Knowledge of related hardware and software i.e. Server, Unix/Linux, Cisco, and Microsoft products.

3.May require professional certification in one or more specific technologies, depending on job assignment.

4.Knowledge of basic networking principles (routing, DNS, etc.) and/or system administration (perfmon, services, software installation, etc.) desired.

5.Working knowledge of enterprise monitoring technologies (BMC BEM/SIM/BPPM, HP NNM, CA eHealth, etc.) and ITSM suites (Remedy, Siebel, HP Service Desk, etc.) desired.

6.Hands-on experience with one or more of the following technologies strongly desired:

•Microsoft Exchange (2010 preferred) - recipient administration, server administration, monitoring, break-fix, OWA

•Netbackup - monitoring scheduled backup jobs, restarting backups, executing restores, verification of backup data integrity

•SAN/NAS - monitoring status, basic troubleshooting, space allocation

•Virtualization - monitoring or supporting virtual servers and desktops using Citrix and VMWare

•Imagery libraries and imagery exploitation systems - Troubleshooting imagery flow, systems interfaces, availability of images and throughput of imagery systems

•Experience in technical operations at DOD agencies, particularly NGA and DIA

Required Experience:

RedHat, Windows, ESRI, Solaris, Oracle

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.