Senior System Administrator

ESM•Fort Belvoir, VA

About The Position

Enterprise Solutions and Management (ESM) 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. It supports 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. The role also supports collaboration tools including ZoomGov and Adobe Connect and implements USCYBERCOM endpoint security requirements in support of DLA's Endpoint Operations mission. As a member of the J64 Enterprise Software & Mobility Branch, the Senior System Administrator provides customer-focused Tier 3 support to end users and Tier 1/2 teams across local and remote environments. The position plans, deploys, configures, maintains, upgrades, troubleshoots, and integrates systems in accordance with functional, operational, and security requirements. It 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, continuous learning, 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 technical troubleshooting and hands-on experience with Microsoft 365 or Microsoft Azure.
Knowledge and experience administering, configuring, maintaining, upgrading, and troubleshooting enterprise systems, 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 implementation of 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 teams.
Ability to communicate effectively with customers, technical teams, vendors, and external partners, and provide technical guidance, end-user training, documentation, and responsive support.
Ability to research and learn new technologies, adapt to evolving mission requirements, and evaluate and recommend technology solutions.
Top Secret clearance.
DOD 8570 baseline certification at IAT Level II.
Ability to meet physical requirements, including standing, walking, sitting, communicating verbally, using hands, reaching, stooping, kneeling, bending, crouching, and lifting up to 25 pounds; extensive walking, including stairs, is required.
Required vision abilities include close and distance vision, depth perception, color vision, and ability to adjust focus.

Nice To Haves

Positive, self-motivated, and proactive approach, with ability to adapt to change and tolerate stressful situations.
Ability to communicate effectively 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 MS 2016 or newer.
Two years of experience supporting Dell Wyse Management Suite.
Two years of experience supporting Tanium.
Two years of experience supporting the Menlo Security Console.
Two years of experience working 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 experience with Microsoft SCCM or MECM administration within the past three years.
Azure Administrator Associate certification or higher.

Responsibilities

Administer, configure, maintain, upgrade, troubleshoot, and integrate enterprise systems across on-premises and cloud environments.
Provide Tier 3 systems administration, endpoint management, security, and operational support for NIPRNet and SIPRNet environments.
Support enterprise platforms and services including Menlo Security, Dell Wyse WMS, Tanium, Forescout, Microsoft Endpoint Configuration Manager, Microsoft 365, and associated 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 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.
Research technologies and recommend and implement solutions that improve functionality, security, and operational effectiveness in line with mission and business objectives.
Perform other duties as assigned.