Systems Administrator

Senior Systems AdministratorDigital Consultants is seeking a Senior Systems Administrator supporting Tier 1 and Tier 2 help desk operations for US Army North, located at Fort Sam Houston, a US Army post in San Antonio, TX. The Tier 1/2 Help Desk provides local desktop support to approximately 900 users operating approximately 1,500 NIPRNET Computers, 70 multi-function devices (printers), 1,000 wireless devices (smartphones, etc.) and various other endpoints. The Help Desk also provides telephonic support to approximately 300 forward-stationed users at various locations throughout the United States.Duties to include:Monitor complex technical control facility hardware and software, either on-premises or cloud-based.Interface with other IT technical personnel, users, and vendor support service groups to ensure escalation to the point of problem resolution is reached during outages or periods of degraded system performance.Directly compile records and reports concerning network operations and maintenance, troubleshoot network performance issues, analyze network traffic, and provide capacity planning solutions.Manage the support of network communications, including LAN/MAN/WAN systems in support of large-scale systems projects.Perform system-level configuration of products including determination of software, hardware, OS, and other platform specifications, either with on-premises equipment or IaaS/PaaS/SaaS cloud components.Provide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, Wi-Fi (IEEE 802.11) management and support, operating systems programming, system security policy procedures, and cloud operations.Monitor and respond to NIPRNET and SIPRNET hardware, software, network, and cloud platform problems through routine testing and analysis of all elements of the network facilities (including power, software, communications machinery, lines, modems, and terminals). Standard response procedures include identification of a problem, notification of appropriate personnel, complete troubleshooting, or replacement procedures, and ensuring that notification of the appropriate personnel that the system(s) or equipment has returned to normal operations.Utilize software and hardware tools and identify/diagnose complex problems and factors affecting network performance.Support a variety of IT systems and deploy commercial of the shelf (COTS) and Government off-the-shelf (GOTS) technologies including Microsoft, Linux, networking NSA Type 1 encryption devices, VOIP, email, video teleconferencing, and standard desktop productivity tools.Ability to work within the confines of a set time schedule or overtime.Maintaining situational awareness (SA) of the network by monitoring the operational activities and events in the IT infrastructure, including monitoring security software, SIEM systems, and appliances. Inform the team lead of any IT infrastructure discrepancies within 10 minutes of detection.Responding to events with appropriate action to maintain operations while ensuring the network's security, confidentiality, integrity, and availability. Availability of core network services (authentication, messaging, collaboration, data storage) shall exceed 99%, calculated quarterly using the formula [time available] / [total time] – [authorized downtime].Diagnosing and resolving IT operations failures.Support surge requirements 24 hours a day, 7 days a week, during key exercises or real-world events.Mentors Help Desk Specialists.Requirements:5+ years experience as a Systems AdministratorKnowledge of computer systems administrationMust have a detailed understanding of the configuration, management, and use of security information and event management (SIEM) software, including properly reacting to SIEM events.Experience managing the system vulnerability identification and resolution process to support network accreditation.Experience working with Microsoft Operating Systems; Microsoft Office; Microsoft SharePoint; .NET; MS SQL Server; VMWARE, VCenter, ESX 7.0 and Above; MS Active Directory Admin; Cisco products to include but not limited to 3560 switches, routers, and ASA firewalls and intrusion prevention systems (IPS).Clearance: Active SecretEducation: High School Diploma or equivalentCertifications: DoD 8570.01-M IAT Level II certificationDigital Consultants, an inclusive and welcoming company, is fully committed to hiring and retaining a diverse workforce without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), genetic information, national origin, age (40 or older), disability, Veterans status or any other protected characteristic.We provide reasonable accommodations to individuals who need assistance during any part of the employment process. 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