TSSCI System Administrator

Insight Global; Chantilly (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Insight Global is seeking a System Administrator to support a large federal customer in Chantilly, VA. This on-site role covers Lenel access control, Windows Server environments, and security compliance in classified and unclassified settings.

You will configure and troubleshoot Lenel systems, manage AD/GPO, patch management, and support virtualization and SQL Server deployments while ensuring compliance with STIGs and IA requirements.

Qualifications

• Active TSSCI clearance is required.
• Bachelor's degree or equivalent with progressive experience.
• Strong experience with Lenel access control systems and hardware.
• Experience in Windows Server, Active Directory, Group Policy, and security patching.

Responsibilities

• Administer and support physical security systems and related infrastructure.
• Install, configure, and maintain Lenel access control systems and hardware.
• Program Lenel controllers and ensure communication between boards and readers.
• Manage Windows Server environments, AD, GPO, and system security.
• Ensure compliance with NIST standards for classified and unclassified environments.
• Perform server builds, imaging, patching, and maintenance.
• Support VMware, Hyper-V, and XenDesktop environments.
• Install, configure, and maintain SQL Server databases.
• Administer storage solutions (Dell EqualLogic, Dell PowerVault).
• Develop documentation, SOPs, and implementation plans.
• Provide Tier III/Tier IV support for escalated issues.

Skills

Lenel systems experience

Windows Server administration

Active Directory

Group Policy

NIST security standards

Education

Bachelor's Degree (related field)

Associates Degree + 8+ years experience

HS Diploma + 10+ years experience

Tools

Lenel hardware

VMware

Hyper-V

Citrix XenDesktop (VDI)

SQL Server

Dell EqualLogic

Dell PowerVault

Job description

Job Description

Insight Global is seeking a System Administrator to support a large federal customer of ours in Chantilly, VA. This role will be on site 5 days a week. They will be responsible for monitoring, maintaining, and testing physical access control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology systems in support of the endpoint devices.

Responsibilities:

Administer and support physical security systems and related infrastructure.

Install, configure, and maintain Lenel access control systems, including controllers, panels, badge readers, and associated hardware.

Program and troubleshoot Lenel 1320 and 3300 controllers, ensuring proper communication between boards, readers, and peripheral devices.

Manage and maintain Windows Server environments, Active Directory, Group Policy, and system security.

Ensure all systems and processes comply with NIST standards and security requirements for both classified and unclassified environments.

Perform server builds, workstation imaging, software installations, and patch management.

Perform system upgrades, testing, and maintenance to ensure reliable operation of physical security systems.

Apply STIGs, perform IAVA updates, and maintain IA/security compliance requirements.

Support and troubleshoot VMware, Hyper-V, Citrix XenDesktop (VDI) environments.

Install, configure, and maintain SQL Server databases.

Manage storage solutions such as Dell EqualLogic and Dell PowerVault.

Monitor system performance, analyze logs, and perform root cause analysis.

Implement backup, disaster recovery, and preventive maintenance processes.

Develop technical documentation, SOPs, and system implementation plans.

Train users and provide Tier III/Tier IV support for escalated issues.

Research emerging technologies and recommend infrastructure improvements.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [e-mail] learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills and Requirements

Active TSSCI

Sec Bachelor's Degree and 5+ Years of progressive experience or

Associates Degree and 8+ Years of progressive experience or

HS Diploma or Equivalent and 10+ Years of progressive experience

Hands-on, current experience with Lenel systems, including both hardware and software/programming.

Ability to configure boards and establish communication with badge readers and other field devices.

Experience adding and programming badge readers.

Ability to configure access levels such as card-only and card-and-PIN authentication.

Experience installing, configuring, and troubleshooting Lenel access control equipment.

Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.

Demonstrated understanding of Windows patching and vulnerability remediation.

Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.

Basic knowledge of large-scale networking, VLANS and routing.

Requires reliable attendance at customer site during work hours required by customer.

Working knowledge of NIST standards and requirements.

Understanding of classified and unclassified environments, including what technologies and procedures are permitted in each.