Sr Systems Administrator

Sr Systems Administrator – Reston, VA Support our mission‑critical customer. Your responsibilities include: Plan, design, and implement infrastructure changes and system upgrades. Manage and troubleshoot multiple VMware environments. Provide Windows Server and Linux administration, maintenance, and troubleshooting. Create STIG‑compliant images for Windows Desktop, Windows Server, and Linux OS. Create, test, and deploy software packages using product such as SCCM, PDQ, etc. Provide expert level support and mentoring for Mid and Junior System Administrator personnel. Develop and maintain installation and configuration procedures for system and software changes. Utilize scripting to automate common tasks. Perform hardware maintenance/repair activities. Ensure proper planning and execution of major projects/maintenance activities. Provide advanced level administration and troubleshooting of Active Directory, GPO, DNS, DHCP, and Domain Controllers. Required Qualifications Clearance: Active TS/SCI Clearance with Polygraph Education & Years of Experience: Bachelor’s degree and 8 years of experience related to specific functional area Certifications: Current active CompTIA Security+ certification or equivalent IAT Level II Required Experience and knowledge on: Ability to write scripts using PowerShell and/or Bash. Experience managing VMware, Nutanix, and other enterprise‑level virtual infrastructures. Proficient in managing and troubleshooting Active Directory and Group Policy Object (GPO). Preferred Qualifications Linux OS (CentOS, RHEL) administration. Satellite server administration. Ansible playbook writing. Implementing STIGs. Experience supporting a software configuration management and development environment. Benefits Generous cost sharing for medical insurance for employee and dependents. 100% company‑paid dental insurance for employees and dependents. 100% company‑paid long‑term and short‑term disability insurance. 100% company‑paid vision insurance for employees and dependents. 401(k) plan with generous match and 100% immediate vesting. Competitive pay. Generous paid leave and holiday package. Tuition and training reimbursement. Life and AD&D insurance. AnaVation is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law. #J-18808-Ljbffr