Sr. Systems Administrator Jobs

Job Title Position Summary Serves as a lead technical expert in designing, implementing, and optimizing systems administration strategies for complex C2ISR Data Transport Infrastructure platforms. Provides support for global transport and dissemination systems, cloud infrastructure, operations and management systems, network infrastructure, and multiple network domains (Commercial, NIPR/CUI, SIPR, JWICS).Essential Duties and ResponsibilitiesGuides junior and journeyman administrators and contributes to platform evolution and capacity planning for mission-critical services.Minimum Qualifications (Knowledge, Skills, and Abilities)Active TS/SCI security clearance requiredSenior level experience in systems administration supporting enterprise infrastructureMust complete DoD-approved IA baseline certification for ADP-III/IT-III based on the IAT level and CE/Operating System (OS) certificate within six months of the assignment.DoD 8140 role for WRC: 451; Element: IT; Work Role: System Administrator; Proficiency Level: IntermediateExperience administering Windows and Linux systems in classified and/or mission environmentsExperience with virtualization platforms (VMware vSphere, Hyper-V) and enterprise services supporting global transport and dissemination systemsKnowledge of identity and access management (Active Directory/LDAP, RBAC), SSO/federation, and certificate management (PKI)Ability to implement and maintain monitoring, logging, and security controls (including STIG compliance) and perform root cause analysisScripting/automation experience to improve reliability and response (e.g., Python, Go, PowerShell, Bash)Desired Requirements:Experience with service management and ticketing systems (ServiceNow, Remedy)Experience with backup and disaster recovery platforms (Veeam, Commvault)Experience with SIEM tools (Splunk, ArcSight, QRadar) and automated alerting/responseExperience with monitoring tools (SolarWinds, Nagios, PRTG) and performance dashboardsExperience with configuration management databases (CMDB) and compliance/reporting documentationFamiliarity with endpoint security tools (e.g., McAfee, Symantec, CrowdStrike)Physical Demands and Work Environment The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform these functions. While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle or feel objects, tools, or controls. The employee is occasionally required to stand; walk; sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually low to moderate. Travel - Up to 10% ShiftHours and shift determined by location.Note This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. This document does not create an employment contract, implied or otherwise, other than an "at will" relationship. The company is an Equal Opportunity Employer, drug free workplace, and complies with ADA regulations as applicable.