Senior Enterprise Systems Administrator

Assyst is seeking an experienced Senior Enterprise Systems Administrator to support our client in managing and optimizing enterprise infrastructure across Microsoft Azure, AWS, Windows Server, and Linux environments. This onsite role serves as a subject matter expert responsible for cloud infrastructure administration, identity and access management, server administration, automation, and infrastructure security. The ideal candidate will have extensive experience with enterprise‑scale environments, Power Shell scripting, Active Directory, and hybrid cloud technologies while ensuring high availability, performance, and security of critical systems.

• Administer, optimize, and maintain Microsoft Azure resources to ensure performance, scalability, and reliability.
• Monitor Azure resource utilization, identify performance bottlenecks, and recommend infrastructure improvements and upgrades.
• Manage Microsoft Entra  Active Directory, including user administration, Group Policy, DNS, and identity management activities.
• Develop, deploy, and maintain Amazon Web Services (AWS) infrastructure and cloud resources.
• Configure and administer Azure and AWS security controls to support enterprise infrastructure and user access requirements.
• Provision, modify, and manage application access for Azure and AWS users, administrators, and application owners.
• Collaborate with infrastructure teams and data center personnel to perform server deployments, upgrades, configuration changes, and system enhancements.
• Troubleshoot, analyze, and resolve Windows Server and Linux server issues while minimizing business impact.
• Develop, test, and maintain Power Shell scripts to automate server administration, Active Directory management, Azure administration, and system monitoring.
• Develop and maintain technical documentation, operational procedures, standards, and system specifications.
• Research, evaluate, and recommend technical solutions that align with business and infrastructure requirements.
• Identify opportunities for infrastructure optimization and recommend process improvements.
• Develop implementation schedules for software deployments and infrastructure initiatives.
• Perform additional enterprise systems administration responsibilities as required.

• Bachelor's or Master's degree in Computer Science, Information Systems, or a related field, or equivalent work experience.

• Experience with Windows Server administration, including supporting Windows Server 2016 or newer.
• Experience with Microsoft Azure and cloud administration.
• Experience administering Active Directory, DNS, and Group Policy within enterprise environments supporting over 1,000 users.
• Experience writing, testing, and maintaining Power Shell scripts.
• Experience working in virtualized and cloud‑based infrastructure environments.
• Experience installing, maintaining, and supporting third‑party applications.

• Experience coordinating schedules across multiple technical projects.
• Experience administering Microsoft Azure Government and AWS cloud environments.
• Experience managing and reporting project metrics in compliance with established standards.
• Experience collaborating with software development and technical programming teams.
• Strong analytical and problem‑solving skills with a proactive, solution‑oriented approach.
• Excellent verbal and written communication skills with the ability to engage technical and non‑technical stakeholders.
• Knowledge of IT standards within criminal justice or similarly regulated environments.
• Exposure to additional IT disciplines such as programming or data analytics.
• Demonstrated ability to work collaboratively in a team environment while managing multiple priorities and meeting deadlines.

ASSYST is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law.