Senior Systems Engineer with Security Clearance

VTG GmbH; Chantilly, Northern (VA, KY); Hybrid; USD 120,000 - 170,000; Full time

Job summary

VTG GmbH in Chantilly, VA seeks an experienced IT Infrastructure Engineer with TS/SCI clearance to provide Tier 2–4 support for a hybrid-cloud mission infrastructure. You will manage Linux servers, VMware vCenter/NSX-T, AD, DNS, DFS, DHCP, and Windows servers in a mission-critical environment, ensuring security posture and STIG compliance.

The role involves coordinating engineering projects, working with Splunk, McAfee ePO, ServiceNow, and cloud integration across on-prem and AWS resources.

Qualifications

• Active TS/SCI with Polygraph
• BS degree and 8+ years of relevant experience
• Experience providing Tier 2–4 technical support for technology products and applications
• Experience leading engineering activities involving Linux servers and workstations
• Experience configuring and managing VMware vCenter and NSX-T
• Experience coordinating engineering projects and performing risk assessments
• Experience operating and maintaining: Active Directory, DNS, DFS, DHCP
• Experience maintaining DISA STIGs and security posture requirements
• Experience with Splunk, Check_MK, McAfee ePO, BitLocker
• Experience managing requirements using ServiceNow

Responsibilities

• Provide in-depth Tier 2 through Tier 4 support and problem resolution for technology products, infrastructure, and applications
• Lead and perform engineering activities involving Linux servers and workstations
• Configure, administer, and maintain VMware vCenter and VMware NSX-T environments
• Perform Tier 3 engineering and support for virtualization infrastructure, including virtual servers, VDI, and automation solutions
• Operate and maintain Active Directory, DNS, DFS, and DHCP; maintain Windows Group Policy
• Build and maintain Windows servers within an AWS environment
• Deploy and maintain system configuration standards per security posture and DISA STIGs
• Work with Splunk, Check_MK, McAfee ePO, and BitLocker
• Manage requirements using ServiceNow; coordinate engineering projects and risk assessments
• Support incident tracking, management, troubleshooting, and resolution across multiple tiers

Skills

Linux administration

VMware vCenter

VMware NSX-T

Windows server administration

Active Directory

DNS

DHCP

DFS

Group Policy

VDI administration

AWS integration

Security STIGs

Splunk

Check_MK

McAfee ePO

BitLocker

ServiceNow

Education

Bachelor's degree in a related field

Tools

VMware vCenter

VMware NSX-T

Windows Server

Active Directory

DNS

DFS

DHCP

Group Policy

Horizon

AWS

Splunk

Check_MK

McAfee ePO

BitLocker

ServiceNow

Job description

Overview The Sponsor's office is responsible for building, operating, and maintaining a hybrid-cloud mission infrastructure and associated services. The environment hosts dozens of Commercial Off-the-Shelf (COTS), Government Off-the-Shelf (GOTS), and custom applications, as well as a large-scale data lake. The infrastructure includes on-premises components deployed across multiple data centers in addition to commercial cloud resources. The infrastructure includes on-premises components deployed across multiple data centers in addition to commercial cloud resources. The Sponsor requires a highly skilled engineering team with diverse technical backgrounds and strong organizational capabilities to support system accreditation, infrastructure operations, and the documentation of system deployments across the environment. What will you do?

• Provide in-depth Tier 2 through Tier 4 support and problem resolution for technology products, infrastructure, and applications.
• Lead and perform engineering activities involving Linux servers and workstations.
• Support engineering efforts involving Windows servers, workstations, storage systems, and virtualization infrastructure.
• Configure, administer, and maintain VMware vCenter and VMware NSX-T environments.
• Perform Tier 3 engineering and support for virtualization infrastructure, including virtual servers, virtual desktops, and automation solutions.
• Support VMware Horizon Virtual Desktop Infrastructure (VDI) environments.
• Operate and maintain Active Directory, Domain Naming System (DNS), Distributed File System (DFS), and Dynamic Host Configuration Protocol (DHCP).
• Provide oversight and maintenance of Windows Group Policy.
• Build and maintain Windows servers within an Amazon Web Services (AWS) environment.
• Deploy and maintain system configuration standards in accordance with the Sponsor's security posture.
• Maintain Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) in accordance with security requirements.
• Support the operations and maintenance of enterprise infrastructure environments.
• Work with Splunk, Check_MK, McAfee ePO, and BitLocker.
• Manage technical and infrastructure requirements using ServiceNow.
• Coordinate engineering projects, including performing technical risk assessments, deconflicting implementations, and resolving technical questions or conflicts.
• Gather infrastructure performance and utilization metrics and proactively notify the Sponsor when established thresholds are met.
• Perform data center management activities, including physical capacity management, hardware installation and commissioning, inventory management, decommissioning, removal, and destruction.
• Install and manage infrastructure components, including cables and circuits, and ensure proper cable labeling.
• Build and maintain desktop workstations and provide troubleshooting and patching support as required.
• Maintain accurate infrastructure and property inventories, including accountable property and electronic network encryption devices.
• Create and maintain system documentation supporting infrastructure deployments and accreditation activities.
• Coordinate, schedule, and deconflict IT engineering projects across the environment.
• Support incident tracking, management, troubleshooting, and resolution across multiple support tiers. Do you have what it takes?
• Active TS/SCI with Polygraph
• Typically requires BS degree and 8 years of prior relevant experience
• Demonstrated experience providing Tier 2 through Tier 4 technical support and problem resolution for technology products and applications.
• Demonstrated experience leading and performing engineering activities involving Linux servers and workstations.
• Demonstrated experience configuring and managing VMware vCenter and VMware NSX-T.
• Demonstrated experience coordinating engineering projects, including performing technical risk assessments, deconflicting implementations, and resolving technical questions or conflicts.
• Demonstrated experience operating and maintaining:
• Active Directory
• Domain Naming System (DNS)
• Distributed File System (DFS)
• Dynamic Host Configuration Protocol (DHCP)
• Demonstrated experience maintaining DISA Security Technical Implementation Guides (STIGs) in accordance with established security posture requirements.
• Demonstrated experience supporting the operations and maintenance of infrastructure environments.
• Demonstrated experience working with:
• Splunk
• Check_MK
• McAfee ePO
• BitLocker
• Demonstrated experience managing requirements using ServiceNow.