Cloud SR Systems Administrator (Job#747)

Defense-Acquisition-Support-Services; Maryland; On-site; USD 120,000 - 180,000; Full time

Job summary

Defense Acquisition Support Services (DAS) seeks a Senior Systems Administrator at Aberdeen Proving Ground, MD to manage secure Microsoft Azure Government cloud environments and enterprise DoD infrastructure. You will handle complex system administration, cybersecurity compliance, and hosting for mission-critical workloads.

The role requires hands-on expertise in Azure Government, RBAC, Entra ID, and automation via Azure CLI/PowerShell, with a Top Secret/SCI clearance.

Qualifications

• Active Top Secret/SCI clearance.
• Experience with Microsoft Azure Government environments (Army cArmy, ECMA).
• Knowledge of DoD cybersecurity requirements (STIGs, IAVM, CTOs).
• Proficient with Azure CLI and PowerShell for automation.
• Experience securing remote access (RDP) and privileged accounts.

Responsibilities

• Administer and maintain secure Azure Government environments across subscriptions.
• Deploy and manage cloud infrastructure: VMs, storage, networking, identity services.
• Support Linux workloads with containers and Azure App Services.
• Implement IAVM compliance and STIGs across systems.
• Document incidents and resolutions in enterprise ticketing systems.

Skills

Azure Government

RBAC

Entra ID

Azure CLI

PowerShell

IAVM compliance

STIGs

cybersecurity operations

VPN/Remote access

Network troubleshooting

Tools

Wireshark

Remote Desktop Protocol

Job description

Defense Acquisition Support Services (DAS) is seeking an experienced Senior Systems Administrator to support the U.S. Army's Distributed Common Ground System–Army (DCGS-A) program at Aberdeen Proving Ground (APG), Maryland.

The ideal candidate will have extensive experience administering Microsoft Azure Government cloud environments, managing secure enterprise infrastructure, troubleshooting complex systems, and maintaining cybersecurity compliance within Department of Defense (DoD) environments.

This position requires hands-on expertise in Azure Government, cArmy, ECMA, Microsoft Entra ID, Role-Based Access Control (RBAC), vulnerability management, and advanced network troubleshooting. The selected candidate will support mission-critical cloud infrastructure, system administration, security compliance, and application hosting to ensure operational reliability and mission readiness.

Responsibilities

• Administer, configure, and maintain secure Microsoft Azure Government cloud environments across multiple subscriptions, including Army cArmy and Enterprise Cloud Management Agency (ECMA) frameworks.
• Deploy, configure, and manage cloud infrastructure, including virtual machines, storage, networking components, identity services, and application hosting environments.
• Support Linux-based application workloads using container technologies and Azure App Services, including OneDeploy deployment methods.
• Manage secure remote administrative access using Remote Desktop Protocol (RDP), privileged accounts, and approved connectivity protocols.
• Monitor, document, and maintain Information Assurance Vulnerability Management (IAVM) compliance and implement Security Technical Implementation Guides (STIGs).
• Analyze and execute technical requirements associated with Cyber Tasking Orders (CTOs) and cybersecurity directives.
• Troubleshoot complex system outages, network connectivity issues, firewall configurations, proxy traffic, and cloud infrastructure performance.
• Utilize packet capture and network analysis tools, including Wireshark, to diagnose and resolve connectivity and system performance issues.
• Perform above-baseline software updates, application deployments, system configurations, and validation activities in coordination with the Managed Service Provider (MSP).
• Develop and execute administrative scripts using Azure CLI and PowerShell to automate operational tasks and improve system efficiency.
• Administer Microsoft Entra ID, Role-Based Access Control (RBAC), security groups, and enterprise identity and access management services.
• Troubleshoot complex authorization configurations, including nested security groups, dynamically assigned roles, and custom application permission structures.
• Document, track, and resolve technical incidents and service requests using enterprise ticketing and service desk systems.
• Collaborate with cybersecurity personnel, cloud engineers, application developers, and government stakeholders to maintain secure and reliable systems.
• Provide clear technical documentation, troubleshooting reports, and status updates to government customers and internal teams.

Required Qualifications

• Must possess an active Top Secret/SCI security clearance.
• Experience administering Microsoft Azure Government environments, including Army cArmy, ECMA, or similar DoD cloud platforms.
• Strong knowledge of Azure infrastructure, including virtual machines, storage, networking, subscriptions, and identity management.
• Experience managing Microsoft Entra ID, Role-Based Access Control (RBAC), security groups, and access permissions.
• Knowledge of DoD cybersecurity requirements, including STIGs, IAVM compliance, and Cyber Tasking Orders (CTOs).
• Strong troubleshooting skills involving cloud systems, network connectivity, firewalls, proxies, and packet analysis tools such as Wireshark.
• Proficiency with Azure CLI and PowerShell for system administration, scripting, and automation.
• Experience with secure remote access, including RDP and privileged account management.
• Experience supporting Linux environments, containers, Azure App Services, and application deployments.
• Ability to perform software updates, troubleshoot system issues, and document resolutions using enterprise ticketing systems.
• Strong communication, documentation, and collaboration skills when working with technical teams and government customers.
• CompTIA Security+ or equivalent DoD IAT Level II certification is required.
• Must possess one of the following: Microsoft Azure Administrator Associate (AZ-104), Microsoft Identity and Access Administrator Associate (SC-300), an equivalent cloud administration certification, or five (5) years of relevant cloud or systems administration experience in lieu of the cloud certification.

Preferred Qualifications

• Previous experience supporting U.S. Army intelligence systems, DCGS-A, or other DoD mission-critical information systems.
• Experience administering multiple Azure Government subscriptions within enterprise cloud environments.
• Familiarity with Army cloud governance, security policies, and enterprise cloud management processes.
• Experience troubleshooting complex application authorization structures and custom web-based identity management systems.
• Experience supporting containerized applications, Linux workloads, and Azure App Services deployments.
• Knowledge of DoD cybersecurity frameworks, system hardening requirements, and vulnerability remediation processes.
• Experience coordinating cloud operations with Managed Service Providers (MSPs) and government cybersecurity teams.

About DAS:

Defense Acquisition Support Services is a Women Owned Small Business focused on hiring the very best people in Defense Contracting. As a Systems Engineering and Technical Assistance (SETA) focused organization, we partner with the government to help them achieve Mission Success. Established in 2007, we have remained “People Focused” and understand the secret to organizational success is the team. Our “People Focused” approach enables us to hire, retain, and help our teammates succeed and assist them by providing the very best possible support available to our government customers.

The DAS Culture:

We are “People Focused.” Each team member gets an employee concierge who is charged with helping ensure personal and professional success for our people. We care and try to help people find the right fit so they can find happiness, development, and a rewarding career. We succeed by helping you succeed.

DAS Benefits:

We provide real benefits for our team that includes: