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Systems Administrator Sr - TS/SCI w/Polygraph

Usa Va Herndonsenior

Systems AdministratorInfrastructure & Cloud

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Quick Summary

Key Responsibilities

The position requires an active TS/SCI with Polygraph security clearance Three (3+) years of related experience Bachelor of Science in Engineering, or a related specialized area/field,

Requirements Summary

Skills:Computer Systems, End Users, IT Tech Support,

Technical Tools

Systems AdministratorInfrastructure & Cloud

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

None

Job Family:

IT Infrastructure and Operations

Requirements

~1 min read

Computer Systems, End Users, IT Tech Support, Networks

None

3 + years of related experience

Yes

Job Description:

You’ll apply the latest technology and provide operational support to deliver actionable intelligence for the Intelligence Community.

Our work depends on the Systems Administrator Senior joining our team to lead a mission critical team that supports the deployment of systems and capabilities centered on our comprehensive motion imagery software suite. The selected Systems Administrator Senior will work alongside various teams and focus on ensuring the mission is met while upgrading to cutting-edge technologies in full motion video (FMV) of the programs technical vision.

Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software
Develops advanced technical solutions for the management of networks, software, hardware, configurations, and architectures
Troubleshoots highly complex system hardware and software issues
Develops implementation plans for software installations and upgrades to operating systems and layered software packages
Monitors and tunes systems to achieve optimum performance levels
Ensures workstation/server data integrity by implementing standard software and hardware solutions
Leads efforts to ensure data/media recoverability by following a schedule of system backups and database archive operations
Conducts advanced hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines
Develops performance and security plans for computers that meet the needs of network users.
Evaluates existing systems and plans long-term strategies.
Support analysts performing Full Motion Video TCPED and various phases of exploitation.
Dashboard creation and analytic monitoring using either Splunk or Elastic Stack.
Work with the customer’s network engineering group, as needed, to resolve any networking or firewall issue.
Work with the GDIT systems engineering group, as needed, to resolve any system issue.
Support sandboxed site operations (warehouse) by verifying OSes have patch updates applied and system backups are working, etc.
Become an expert in understanding daily operations, networks, and systems.
Develops training materials for end users on the proper use of hardware and software.
Report information through weekly site communications group meetings, weekly status reports, and monthly logs to team members and management.
Support GDIT factory reach back helpdesk in solving daily user issues.

Three (3+) years of related experience

Bachelor of Science in Engineering, or a related specialized area/field, OR equivalent seven (7) years job-related experience

Skilled at applying and executing highly advanced technologies, principles, theories and concepts

Proficient understanding and application of engineering principles, concepts, practices, and standards

Demonstrated ability to communicate issues, impacts, and corrective actions

Demonstrated ability to easily and effectively communicate project topics to a diverse audience

Demonstrated ability to clearly report relevant information

Demonstrated ability to anticipate technology, process, and skill needs

Proven problem-solving skills in complex environments

Location: At Customer Site – Herndon area

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

#GDITCareers

#GDITPolyEvent

#GDITEnhanced2026

#MissionPoly2026

#VA_2026Alumni

#CJPost

#Jet

The likely salary range for this position is $114,750 - $155,250. 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:

None

Onsite

Work Location:

USA VA Herndon

Additional Work Locations:

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, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans