Senior Systems Administrator - DoD Enterprise IT

Agil3 Technology Solutions (A3T); Quantico Base (VA); On-site; USD 100,000 - 120,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401k Retirement Savings Plan with Job/

Paid Holidays

Paid Time Off (PTO)

Tuition and Professional Development

Parking/Travel Reimbursement

Job summary

Agil3 Technology Solutions LLC (A3T) is seeking an experienced Systems Administrator to support a Government IT environment in Northern Virginia. You will install, configure, monitor, and maintain servers, AD, Microsoft 365, Azure, VMware, and related enterprise services.

You will work with Systems, Network, Cloud, and Cybersecurity personnel to ensure secure, reliable, and mission-ready IT services, develop SOPs, perform patching, and document changes.

Qualifications

• 4–6+ years progressively responsible systems administration or enterprise IT infrastructure experience.
• Active DoD Secret security clearance.
• DoD 8140/DCWF Work Role 451 Intermediate proficiency.
• Experience administering Microsoft Windows Server environments.
• Experience with Active Directory, Group Policy, DNS, DHCP, user accounts, permissions, and authentication services.
• Experience installing, configuring, and maintaining physical and virtual servers.
• Experience supporting VMware or comparable enterprise virtualization technology.
• Experience supporting Microsoft 365 and Microsoft enterprise technologies.
• Experience performing system and application patching, upgrades, and maintenance.
• Experience troubleshooting server hardware, operating systems, applications, network connectivity, and enterprise services.
• Knowledge of system backup, restoration, and disaster-recovery practices.
• Experience working with enterprise monitoring, endpoint-management, or systems-management tools.
• Familiarity with cybersecurity hardening, vulnerability remediation, and configuration-management requirements.
• Ability to create and maintain technical documentation, SOPs, troubleshooting procedures, and configuration records.
• Strong analytical and troubleshooting abilities.
• Strong verbal and written communication skills.
• Ability to work independently at a supported site while coordinating with geographically dispersed enterprise engineering teams.

Responsibilities

• Install, configure, administer, maintain, monitor, and troubleshoot physical and virtual servers, operating systems, applications, and associated enterprise services.
• Monitor and troubleshoot network-dependent services such as DNS, DHCP, NTP, SNMP, HTTP/HTTPS, SSH, LDAP/LDAPS, and SMTP.
• Administer Microsoft Windows Server environments and associated infrastructure services.
• Support Active Directory, Group Policy, user and computer objects, authentication, permissions, and access-control functions.
• Support Microsoft 365 services and associated enterprise applications.
• Administer and support Microsoft Configuration Manager and related endpoint/system-management capabilities.
• Support VMware and virtual desktop infrastructure, including physical and virtual computing environments.
• Perform routine system monitoring and analyze availability, capacity, performance, security, and operational health.
• Troubleshoot hardware, operating system, application, authentication, connectivity, and configuration problems.
• Perform server, operating system, application, and service updates and assist with patching activities required by applicable cybersecurity directives.
• Support vulnerability remediation and system hardening activities in coordination with Cybersecurity personnel.
• Maintain system configurations and ensure changes are implemented and documented in accordance with established configuration- and change-management processes.
• Support system backup, restoration, continuity, and recovery activities.
• Perform routine preventive maintenance and system-health checks.
• Support installation, configuration, testing, upgrade, and deployment of new hardware and software.
• Assist with technology-refresh activities and replacement of End-of-Life (EOL) and End-of-Support (EOS) systems.
• Develop and maintain Standard Operating Procedures (SOPs), technical procedures, system documentation, configuration records, and troubleshooting guides.
• Prepare After Action Reports and technical documentation following significant outages, maintenance events, upgrades, or system changes when required.
• Create, update, resolve, and document incidents and service requests using the Government-approved ticket-management system.
• Coordinate with Technical Support personnel to resolve issues escalated beyond desktop/help-desk support.
• Escalate complex engineering problems to the Senior Systems Engineer or appropriate Network, Cloud, or Cybersecurity Engineer.
• Coordinate with Government and contractor technical personnel to diagnose and restore interrupted IT services.
• Assist with inventory, asset accountability, and technical documentation associated with supported systems.
• Provide technical assistance to users and other IT staff when required.

Skills

Analytical thinking

Troubleshooting

Verbal and written communication

Independent work

Security awareness

Education

Bachelor's degree in CS/IT/Engineering/Cybersecurity

DoD 8140/DCWF Work Role 451 (Intermediate)

ITIL Foundation

Tools

Windows Server

Active Directory

DNS/DHCP

Microsoft 365

Azure

VMware

SCCM/MECM

PowerShell

Configuration Manager

Job description

Agil3 Technology Solutions LLC (A3T) is seeking an experienced Systems Administrator to support a Government IT environment in Northern Virginia. You will install, configure, monitor, and maintain servers, AD, Microsoft 365, Azure, VMware, and related enterprise services.

You will work with Systems, Network, Cloud, and Cybersecurity personnel to ensure secure, reliable, and mission-ready IT services, develop SOPs, perform patching, and document changes.