Systems Administrator- TS/SCI with Polygraph

  • Job Reference: 1372929625-2
  • Date Posted: 27 June 2024
  • Location: Springfield, Virginia
  • Salary: On Application
  • Sector: Linux Cloud Computing, Linux Software Development

Job Description

Deliver simple solutions to complex problems as a Systems Administrators at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. You'll make the end user's experience your priority and we'll make your career growth ours.

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.


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.

  • 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.


Technical Training, certifications, degree, or the equivalent combination of education or work experience. 1+ years of experience.

  • 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).

Would be Nice to Have:
  • 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).

Education: Technical Training, certifications, degree, or the equivalent combination of education or work experience.
Required Experience: 1+ years' experience
Security Clearance Level: TS/SCI with polygraph
Location: Springfield, VA
US Citizenship Required

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
Rest and recharge with paid vacation and holidays.

Work Requirements

Years of Experience
1 + years of related experience

* may vary based on technical training, certification(s), or degree


Travel Required
Less than 10%

U.S. Citizenship Required

Salary and Benefit Information
The likely salary range for this position is $76,500 - $103,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.
About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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.