About TISTA Science & Technology
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Company size
1,001 - 5,000 Employees
Headquarters location
Potomac, MD, US
Year founded
2005
Full-time
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Job description
Job Summary:
TISTA Science and Technology is seeking a Senior Windows System Administrator to join our growing team. This role involves designing, implementing, and supporting enterprise infrastructure environments, ensuring system reliability, performance, and security across hybrid environments.
Responsibilities:
• Administer, maintain, and support Windows Server environments (2016/2019/2022).
• Manage Active Directory, Group Policy, DNS, DHCP, and IIS.
• Design and support virtualized environments (VMware, Hyper-V).
• Deploy, manage, and troubleshoot containerized applications using Kubernetes and OpenShift.
• Monitor system performance and ensure high availability and disaster recovery readiness.
• Automate system administration tasks using PowerShell and scripting tools.
• Collaborate with DevOps and application teams to support CI/CD pipelines.
• Implement and enforce security best practices, patch management, and compliance standards.
• Troubleshoot complex system, network, and application issues.
• Maintain system documentation, procedures, and configurations.
• Provide mentorship and guidance to junior administrators.
Qualifications:
Required:
• 5–10+ years of experience in Windows system administration.
• Strong expertise in Windows Server administration.
• Strong expertise in Active Directory & Group Policy.
• Strong expertise in PowerShell scripting.
• Hands-on experience with Kubernetes.
• Hands-on experience with Red Hat OpenShift.
• Hands-on experience with virtualization platforms (VMware vSphere and/or Hyper-V).
• Experience with system monitoring tools and backup solutions.
• Knowledge of networking fundamentals (TCP/IP, firewalls, load balancing).
• Bachelor’s degree in computer science, electronics engineering or related technical discipline and 5+ years’ work experience.
• The ability to pass a Tier 2/Moderate Background Investigation.
Preferred:
• Familiarity with Infrastructure as Code (Terraform, Ansible).
• Red Hat or Kubernetes certifications (e.g., CKA, OpenShift Administrator).
Company:
Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government. Founded in 2005, the company is headquartered in Rockville, USA, with a team of 1001-5000 employees. The company is currently Late Stage.
TISTA Science and Technology is seeking a Senior Windows System Administrator to join our growing team. This role involves designing, implementing, and supporting enterprise infrastructure environments, ensuring system reliability, performance, and security across hybrid environments.
Responsibilities:
• Administer, maintain, and support Windows Server environments (2016/2019/2022).
• Manage Active Directory, Group Policy, DNS, DHCP, and IIS.
• Design and support virtualized environments (VMware, Hyper-V).
• Deploy, manage, and troubleshoot containerized applications using Kubernetes and OpenShift.
• Monitor system performance and ensure high availability and disaster recovery readiness.
• Automate system administration tasks using PowerShell and scripting tools.
• Collaborate with DevOps and application teams to support CI/CD pipelines.
• Implement and enforce security best practices, patch management, and compliance standards.
• Troubleshoot complex system, network, and application issues.
• Maintain system documentation, procedures, and configurations.
• Provide mentorship and guidance to junior administrators.
Qualifications:
Required:
• 5–10+ years of experience in Windows system administration.
• Strong expertise in Windows Server administration.
• Strong expertise in Active Directory & Group Policy.
• Strong expertise in PowerShell scripting.
• Hands-on experience with Kubernetes.
• Hands-on experience with Red Hat OpenShift.
• Hands-on experience with virtualization platforms (VMware vSphere and/or Hyper-V).
• Experience with system monitoring tools and backup solutions.
• Knowledge of networking fundamentals (TCP/IP, firewalls, load balancing).
• Bachelor’s degree in computer science, electronics engineering or related technical discipline and 5+ years’ work experience.
• The ability to pass a Tier 2/Moderate Background Investigation.
Preferred:
• Familiarity with Infrastructure as Code (Terraform, Ansible).
• Red Hat or Kubernetes certifications (e.g., CKA, OpenShift Administrator).
Company:
Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government. Founded in 2005, the company is headquartered in Rockville, USA, with a team of 1001-5000 employees. The company is currently Late Stage.
tistatech.com
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Frequently asked questions
Q: What skills or qualities help someone succeed as a Senior Windows Systems Administrator?
A: To succeed as a Senior Windows Systems Administrator, key technical skills include in-depth knowledge of Windows operating systems, Active Directory, Group Policy, and scripting languages such as PowerShell. Additionally, proficiency in cloud platforms like Azure and Microsoft 365, as well as experience with backup and disaster recovery solutions, is highly valued. Soft skills like strong communication, problem-solving, and leadership abilities, along with a proactive and analytical mindset, are also essential for effectively managing and maintaining complex Windows environments.\n\nThese technical and soft skills enable Senior Windows Systems Administrators to efficiently troubleshoot and resolve issues, implement scalable solutions, and provide strategic guidance to teams, ultimately driving business success and career growth.
Q: What is the career path for a Senior Windows Systems Administrator?
A: A Senior Windows Systems Administrator typically follows a career progression from entry-level roles such as Windows Systems Administrator or Help Desk Technician, to mid-level positions like Senior Systems Administrator or Windows Server Engineer, and finally to senior roles like Senior Windows Systems Administrator or Enterprise Architect. Key opportunities for skill development and professional growth in this role include advancing knowledge of cloud computing, cybersecurity, and IT service management, as well as developing leadership and project management skills. Long-term career prospects for a Senior Windows Systems Administrator may include transitioning into IT leadership roles, such as IT Director or CIO, or pursuing specialized roles like Cloud Architect or DevOps Engineer.