Systems Administrator - TS/SCI with Polygraph

General Dynamics - IT; McLean (VA); On-site; USD 99,000 - 133,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Internal mobility team

Paid education and certifications

Cutting-edge technology

Paid vacation and holidays

Job summary

General Dynamics IT is seeking a Systems Administrator for a McLean, VA location on customer site. The role centers on Active Directory, enterprise IT systems, and precise permissions control. A minimum of 5+ years of related experience and US citizenship are required. Security clearance to TS/SCI with Polygraph is expected.

You will support critical enterprise projects, collaborate with teams, and ensure secure, reliable IT operations.

Qualifications

• Bachelor's degree or equivalent in a technical field.
• 5+ years of related experience in IT/Systems Admin.
• Hands-on expertise with Active Directory and security groups.
• Ability to manually apply and manage File Explorer permissions.
• Understanding of permissions, inheritance, and access control configurations.
• Experience structuring folders to support organizational access needs.

Responsibilities

• Administer Active Directory and manage security groups.
• Configure and maintain enterprise IT systems at scale.
• Implement and troubleshoot File Explorer permissions and inheritance.

Skills

Active Directory Administration

Enterprise IT

Information Technology (IT) Systems

File Explorer Permissions Management

Education

Bachelor's degree in Computer Science, Engineering, or related

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

• Skills: Active Directory Administration, Enterprise IT, Information Technology (IT) Systems
• Certifications: None
• Experience: 5 + years of related experience
• US Citizenship Required: Yes

Job Description:

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator joining our team.

WHAT YOU'LL NEED TO SUCCEED:

Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Required Experience: 5+ years of related

Required Skills:

• Hands-on expertise with Active Directory, including manual creation and management of security groups.
• Proven ability to manually apply folder-level permissions within File Explorer, including setting and modifying read, write, and modify access controls.
• Strong understanding of permissions, folder inheritance, and the ability to break, troubleshoot, and restore inheritance and access control configurations.
• Skilled in creating and structuring folders within File Explorer to support organizational access requirements.
• Senior-level experience in both Active Directory administration and File Explorer permissions management is required.
• Training will be provided for all in-house system administration responsibilities.

Security Clearance Level: TS/SCI with Polygraph

Preferred qualifications:

• Experience working with Enterprise Information Technology systems, including core utility and security applications
• A background working across multiple systems and applications - such as operating systems, email platforms, databases, storage technologies, and hardware support.
• An understanding of how network requirements impact operating systems and application performance.
• Familiarity with organizational standards for system configurations, security policies, and software management procedures.
• Strong problem-solving skills, including the ability to diagnose and resolve complex technical issues independently.
• Solid analytical, planning, and organizational abilities to support day-to-day work and larger initiatives.
• Experience applying project management techniques to plan, coordinate, and deliver technical projects.
• Clear and confident communication skills - able to explain technical concepts to both technical and non-technical stakeholders.
• The ability to work independently on routine tasks while also collaborating effectively as part of a team.
• Experience partnering with internal business teams to understand requirements and translate them into actionable technical needs.
• Experience working with developers to clarify requirements and support joint project planning.
• Familiarity with requirement tracking tools or processes.
• Interest in staying up to date on emerging technology in relevant operating systems - along with the ability to identify potential impacts and anticipate needed changes

Location: McLean, VA - On Customer Site

GDIT IS YOUR PLACE:

• 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

The likely salary range for this position is $98,600 - $133,400. 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.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

T elecommuting Options:

Onsite

Work Location:

USA VA McLean

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, o