Systems Administrator

Agil3 Technology Solutions (A3T) is seeking an experienced Systems Administrator to provide enterprise systems administration and operational support for the Government IT environment. The Systems Administrator will be responsible for the day-to-day installation, configuration, administration, monitoring, maintenance, troubleshooting, and sustainment of servers, operating systems, virtual infrastructure, enterprise applications, and associated IT services. The customer environment includes on-premises infrastructure, Microsoft 365, Microsoft Azure IL2 cloud services, virtualized systems, data centers, networks, applications, and end-user services. The position will work closely with Systems Engineers, Network Engineers, Cloud Engineers, Cybersecurity personnel, and Technical Support staff to maintain reliable, secure, and mission-ready IT services. Key Responsibilities Install, configure, administer, maintain, monitor, and troubleshoot physical and virtual servers, operating systems, applications, and associated enterprise servicesMonitor and troubleshoot network-dependent services such as DNS, DHCP, NTP, SNMP, HTTP/HTTPS, SSH, LDAP/LDAPS, and SMTPAdminister Microsoft Windows Server environments and associated infrastructure servicesSupport Active Directory, Group Policy, user and computer objects, authentication, permissions, and access-control functionsSupport Microsoft 365 services and associated enterprise applicationsAdminister and support Microsoft Configuration Manager and related endpoint/system-management capabilitiesSupport VMware and virtual desktop infrastructure, including physical and virtual computing environmentsPerform routine system monitoring and analyze availability, capacity, performance, security, and operational healthTroubleshoot hardware, operating system, application, authentication, connectivity, and configuration problemsPerform server, operating system, application, and service updates and assist with patching activities required by applicable cybersecurity directivesSupport vulnerability remediation and system hardening activities in coordination with Cybersecurity personnelMaintain system configurations and ensure changes are implemented and documented in accordance with established configuration- and change-management processesSupport system backup, restoration, continuity, and recovery activitiesPerform routine preventive maintenance and system-health checksSupport installation, configuration, testing, upgrade, and deployment of new hardware and softwareAssist with technology-refresh activities and replacement of End-of-Life (EOL) and End-of-Support (EOS) systemsDevelop and maintain Standard Operating Procedures (SOPs), technical procedures, system documentation, configuration records, and troubleshooting guidesPrepare After Action Reports and technical documentation following significant outages, maintenance events, upgrades, or system changes when requiredCreate, update, resolve, and document incidents and service requests using the Government-approved ticket-management systemCoordinate with Technical Support personnel to resolve issues escalated beyond desktop/help-desk supportEscalate complex engineering problems to the Senior Systems Engineer or appropriate Network, Cloud, or Cybersecurity EngineerCoordinate with Government and contractor technical personnel to diagnose and restore interrupted IT servicesAssist with inventory, asset accountability, and technical documentation associated with supported systemsProvide technical assistance to users and other IT staff when required Minimum Experience: Must have 4–6+ years of progressively responsible systems administration or enterprise IT infrastructure experienceMust have an active DoD Secret security clearanceMust meet applicable DoD 8140/DCWF requirements for Work Role 451 at the Intermediate proficiency levelExperience administering Microsoft Windows Server environmentsExperience with Active Directory, Group Policy, DNS, DHCP, user accounts, permissions, and authentication servicesExperience installing, configuring, and maintaining physical and virtual serversExperience supporting VMware or comparable enterprise virtualization technologyExperience supporting Microsoft 365 and Microsoft enterprise technologiesExperience performing system and application patching, upgrades, and maintenanceExperience troubleshooting server hardware, operating systems, applications, network connectivity, and enterprise servicesKnowledge of system backup, restoration, and disaster-recovery practicesExperience working with enterprise monitoring, endpoint-management, or systems-management toolsFamiliarity with cybersecurity hardening, vulnerability remediation, and configuration-management requirementsAbility to create and maintain technical documentation, SOPs, troubleshooting procedures, and configuration recordsStrong analytical and troubleshooting abilitiesStrong verbal and written communication skillsAbility to work independently at a supported site while coordinating with geographically dispersed enterprise engineering teams Preferred Qualifications: Bachelor's degree in Computer Science, Information Technology, Engineering, Cybersecurity, or related technical disciplineCompTIA Security+ or comparable certificationMicrosoft certification applicable to Windows Server, Microsoft 365, endpoint management, or AzureVMware VCP or comparable virtualization certificationITIL Foundation certification or experience working in an ITIL-based environmentExperience with Microsoft Configuration Manager (SCCM/MECM)Experience with PowerShell scripting and administrative automationExperience with Azure or hybrid-cloud environmentsExperience with ServiceNow or comparable enterprise ITSM platformsFamiliarity with DISA STIGs and DoD vulnerability-management requirements. Previous USMC, Navy, DISA, or DoD enterprise IT experience Experience operating within geographically dispersed enterprise environments. Company Overview Agil3 Technology Solutions LLC ("A3T") is a Northern Virginia based, ISO 9001, ISO 20000-1 & ISO 27001 Certified, Women-Owned (WOSB) and Service-disabled Veteran-Owned (SDVOSB) small business. A recent recipient of the prestigious Washington Technology TOP 50 (ranking #9, and on the list for last 4 years!), A3T is experiencing industry leading recognition and growth. In addition to the CEO’s recognition as an “All-Star Entrepreneur”, A3T is recognized by Inc Magazine as one of the fastest growing companies in the country, by Vet 50 as Fastest Growing Veteran-Owned Businesses, and is featured in CyberSecurity Ventures / Cybercrime Magazine! “As a go-to Women-Owned Cybersecurity company in US and internationally”. As part of our growth, we are looking for YOU to join our growing team. A3T offers excellent benefits to enhance the work-life balance, including: Medical InsuranceDental InsuranceVision InsuranceLife InsuranceShort Term & Long-Term Disability401k Retirement Savings Plan with Company MatchPaid HolidaysPaid Time Off (PTO)Tuition and Professional Development AssistanceParking/Travel Reimbursement (metropolitan areas) Powered by JazzHR 6CFUvN9cBv