Senior System Administrator

ESM•Fort Belvoir, VA

1d•$87,000 - $117,000

About The Position

Enterprise Solutions and Management (ESM), a government contractor providing strategic IT services to Defense and Federal customers, is hiring a Senior System Administrator to support an enterprise-level program in a federal environment. The position provides Tier 3 systems administration, endpoint management, security, and operational support for on-premises and cloud-hosted NIPRNet and SIPRNet environments, supporting DLA's Endpoint Operations mission and implementing USCYBERCOM endpoint security requirements. The role administers enterprise technologies including Menlo Security, Dell Wyse Device Management Suite (WMS), Tanium, Forescout, Microsoft Endpoint Configuration Manager, and Microsoft 365 services such as Teams, Defender for Endpoint, Intune, SharePoint Online, and Advanced Group Policy Management. It also supports collaboration tools such as ZoomGov and Adobe Connect. Work includes planning, deploying, configuring, maintaining, upgrading, troubleshooting, and integrating systems in accordance with functional, operational, and security requirements. As a member of the J64 Enterprise Software & Mobility Branch, the administrator provides customer-focused Tier 3 support to end users and Tier 1/2 teams across multiple locations, in local and remote environments. The position resolves complex software, connectivity, networking, and endpoint issues; performs vulnerability management; supports application networking, load balancing, and fault-tolerant configurations; and assists with server and application installations, upgrades, and integrations. The role also involves technical research, collaboration with internal teams and external partners, end-user training, and recommending and implementing technology solutions aligned with DLA's mission and business objectives.

Requirements

Five years of progressive experience working in a medium-to-large IT environment.
Three years of experience integrating and managing Windows application servers and installing, configuring, and supporting applications and devices.
At least two years of experience with technical troubleshooting and hands-on experience with Microsoft 365 or Microsoft Azure.
Knowledge and experience administering, configuring, maintaining, upgrading, and troubleshooting enterprise systems across on-premises and cloud environments, including Windows servers, endpoints, and enterprise management platforms.
Knowledge of endpoint management, configuration, vulnerability management, and cybersecurity practices, including Microsoft Intune, Defender for Endpoint, Tanium, Forescout, Group Policy, and implementing security requirements.
Ability to diagnose and resolve complex network, connectivity, application, and endpoint issues, including application networking, load balancing, high availability, and fault-tolerant environments.
Ability to analyze complex technical problems, identify root causes, develop solutions, and provide Tier 3 support to end users and Tier 1/2 support teams.
Ability to communicate effectively with customers, technical teams, vendors, and external partners.
Ability to provide technical guidance, end-user training, documentation, and responsive customer-focused support.
Ability to research and learn new technologies, adapt to evolving mission requirements, and evaluate and recommend technology solutions.
Top Secret clearance.
Ability to meet the stated physical requirements, including extensive walking, standing, sitting, lifting up to 25 pounds, and required vision capabilities.

Nice To Haves

Positive, self-motivated, proactive approach, with the ability to adapt to change and tolerate stressful situations.
Effective communication with team members, team lead, management, and government customers.
Ability and desire to research and develop creative solutions to unique problems with minimal supervision.
Five years of systems administration experience with Windows 10, Windows 11, or Windows Server 2016 or newer.
Three years of Active Directory administration experience with Microsoft 2016 or newer.
Two years of experience supporting Dell Wyse Management Suite.
Two years of experience supporting Tanium.
Two years of experience supporting Menlo Security Console.
Two years of experience with Microsoft Azure infrastructure or services, such as Defender, Intune, or Purview.
Two years of experience conducting application testing with software solutions within the past two years.
Five years of experience with scripting automation using PowerShell or VBScript.
Four years of Microsoft SCCM or MECM administration experience within the past three years.
Azure Administrator Associate certification or higher.
DoD 8570 baseline certification at IAT Level II.

Responsibilities

Provide Tier 3 systems administration, endpoint management, security, and operational support for on-premises and cloud-hosted NIPRNet and SIPRNet environments.
Plan, deploy, configure, maintain, upgrade, troubleshoot, and integrate enterprise systems while meeting functional, operational, and security requirements.
Support enterprise technologies including Menlo Security, Dell Wyse Device Management Suite, Tanium, Forescout, Microsoft Endpoint Configuration Manager, and Microsoft 365 services.
Support collaboration tools such as ZoomGov and Adobe Connect.
Implement USCYBERCOM endpoint security requirements in support of DLA's Endpoint Operations mission.
Provide customer-focused Tier 3 support to end users and Tier 1/2 teams across local and remote environments and multiple locations.
Resolve complex software, connectivity, networking, application, and endpoint issues.
Perform vulnerability management and support application networking, load balancing, high availability, and fault-tolerant configurations.
Assist with server and application installations, upgrades, and integrations.
Provide technical guidance, end-user training, and documentation, and collaborate with internal teams, vendors, and external partners.
Research and learn new technologies and recommend and implement solutions that improve system functionality, security, and operational effectiveness.