Senior Systems Administrator - TS/SCI with Poly

Clearance Level
Top Secret/SCI
Systems Administration
Chantilly, Virginia

REQ#: G2019-64215

General Dynamics Information Technology (GDIT) is currently seeking an experienced IT professional to work as a systems administrator on a team of dedicated professionals delivering enterprise solutions for several large scale management information systems. These MIS environments include networks spanning multiple security enclaves within a hybrid (Windows & RHEL) environment. The ideal candidate will have excellent problem-solving and communications skills as well as a previous work history of providing tier 2 and/or tier 3 support in a large enterprise environment. This position requires an individual who possesses a positive attitude, organizational skills, a drive to focus and produce results, while effectively managing customer relationships in a constantly changing and evolving environment. While the primary focus of this position is systems administration there will be growth opportunities in the area of solutions engineering for the ideal candidate.  This is a full-time salaried position with compensation to be based on experience and overall strength of the candidate. In addition to receiving a competitive salary and generous health and personal benefits, the IT Engineer will enhance their skill set among a talented and technically accomplished group of colleagues.


Essential Job Duties:

  • Systems administration tasks primarily within the Microsoft solution stack, though Linux experience is a plus
    • Specific experience with administration of Microsoft Identity Manager (or other identity management solution) is a big plus
  • Resolve issues escalated from team members, providing guidance and education
  • Identifies, analyzes, and resolves system incidents with both short-term workarounds and long-term solutions
  • Responds to escalated service desk/team requests
  • Actively coordinate and collaborate with team members and customers to understand, propose, and continuously implement service improvements
  • Communicate effectively (in oral and written form) with a variety of individuals; work well within small and large team environments.
  • Participates in special projects as required

Bachelors Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.


5+ years of related systems administration experience

  • TS/SCI with Polygraph Required
  • Candidate must possess an appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security. CompTIA Security+ CE Certification is the preferred certification. In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Training within six (6) months of Hire Date.

Successful candidates are expected to have working knowledge or experience in the following primary technologies:

  • Forefront Identity Management (FIM)/Microsoft Identity Management (MIM)
  • Active Directory Services (ADUC, DNS, Sites & Services, GPO, DHCP)
  • Windows Server 2008/2008 R2/2012/2012 R2/2016

Successful candidates that have working knowledge or experience in the following secondary technologies are highly sought after:

  • Active Directory Federated Services
  • Active Directory Domains and Trusts
  • Exchange
  • Active Directory Rights Management
  • Dynamic Access Control (DAC)
  • PowerShell (Scripting and Command Line Management)
  • ABAC (Attribute Based Access Control)
  • PKI

Benefits of this Position:

  • Opportunity for Fast Growth within the program
  • Professional Development Assistance – Covering the Cost of Obtaining Professional & Technical Certifications (depending on program)
  • Educational Reimbursement – toward degree programs and individual coursework
  • 401K Match – with 100% vesting on day one
  • Health, Dental and Vision Coverage to keep you healthy, starting your first day
  • We know work-life balance is important, GDIT offers Paid Time Off, Plus 10 Paid Holidays
  • Parking and transit commuter benefits

Why Work at General Dynamics IT?

  • Work with top talent and some of the brightest minds in your field
  • Support missions that make a difference to our Nation
  • Become part of an organization that that is committed to the highest ethical standards in all that we do 
  • Thrive in the stability of a large organization, with the ability to move onto new opportunities, supporting different missions, building your career within GDIT
  • Want to move, or find a job close to home? We have positions in several locations in the United States and the world
  • Enjoy a culture that supports work-life balance

General Dynamics is a Fortune Blue Ribbon Company and Clearance Jobs Top 10 Government Contractor.


General Dynamics Information Technology solves our customers’ challenges through future-focused technology and services, ingenuity and deep mission-knowledge. Partnering with government, defense, the intelligence community, industry leaders and cutting-edge technology companies, we deliver solutions that make a difference – helping our customers to advance mission performance, transform operations and discover opportunities to build a better future.


" 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.

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.