Systems Administrator I

HII • Springfield, MO

1d

About The Position

HII’s Mission Technologies division is seeking a Systems Administrator to support enterprise-level security and modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. The role is part of the Cyber and Intelligence division and supports critical mission and business operations.

Working under the guidance and direction of Senior Systems Administrators, the Systems Administrator operates, maintains, and supports enterprise Microsoft Windows Server environments. The role helps ensure Windows-based services are configured, secured, and maintained for reliability, performance, and compliance with organizational and DoD standards. It involves supporting enterprise services, carrying out system maintenance and security remediation, using remote monitoring and management tools across a globally dispersed enterprise, and assisting with documentation, change management, and deployments.

Requirements

• At least 3 years of hands-on systems experience providing operations and maintenance support for enterprise Microsoft Windows Server operating systems and server applications, such as Active Directory, Exchange, File Services, SCCM/MECM, and Citrix.
• Experience working with Active Directory as the centralized directory service for user authentication and authorization.
• Experience managing and configuring DHCP, DNS, and Group Policies.
• Experience performing system administration tasks through a command-line interface, such as PowerShell.
• Experience using remote monitoring and management tools to troubleshoot, assess, and resolve issues across a globally dispersed enterprise.
• Experience conducting vulnerability and flaw remediation via SCCM or MECM.
• Experience operating and maintaining solutions in a secure processing environment.
• Experience applying and maintaining standard security configurations based on SRGs and STIGs.
• An active TS/SCI government security clearance is required to start, with the ability to obtain a CI Poly.
• Must meet DoD 8140/CSWF for 451-Intermediate or be willing to obtain the appropriate credential within 6 months.
• For Systems Administrator 1: High school diploma or equivalent and 4 years of relevant experience.
• For Systems Administrator 2: 3 years of relevant experience with a bachelor’s degree in a related field, or a high school diploma or equivalent and 7 years of relevant experience.
• For Systems Administrator 3: 6 years of relevant experience with a bachelor’s degree in a related field; 4 years with a master’s degree in a related field; or a high school diploma or equivalent and 10 years of relevant experience.
• For Systems Administrator 4: 10 years of relevant experience with a bachelor’s degree in a related field; 8 years with a master’s degree in a related field; or a high school diploma or equivalent and 14 years of relevant experience.

Nice To Haves

• Prior experience with Citrix Virtual Applications and Desktop (CVAD).
• Familiarity with basic network troubleshooting concepts and approaches.
• Formal training or vendor certifications on Microsoft Server operating systems and/or technologies such as Microsoft, Citrix, Cisco, Splunk, SolarWinds, or ServiceNow.

Responsibilities

• Support and troubleshoot enterprise services including Active Directory, Exchange, File Services, SharePoint, and SQL Server.
• Perform system installations, configurations, patching, and routine maintenance.
• Ensure system integration with enterprise monitoring, security, and configuration-management tools.
• Apply and maintain security configurations based on SRGs and STIGs.
• Support vulnerability remediation using SCCM/MECM.
• Operate systems in a secure processing environment that meets accreditation and audit requirements.
• Use remote monitoring and management tools to identify, assess, and resolve issues across a globally dispersed enterprise.
• Contribute to system stability and rapid incident response.
• Document system configurations and support change management processes.
• Assist with solution deployment activities.
• Coordinate with senior administrators to keep environments secure, compliant, and aligned with mission needs.
• Manage and configure DHCP, DNS, and Group Policies.
• Perform system administration tasks via a command-line interface such as PowerShell.
• Operate and maintain solutions in a secure processing environment.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED