Senior Systems Administrator
About The Position
Allegheny Science & Technology (AST) is seeking a highly experienced Senior Systems Administrator to support and maintain a secure, reliable, and highly available enterprise IT environment. This role is responsible for the administration, optimization, and support of critical infrastructure systems, with a strong emphasis on VMware virtualization, Windows server administration, Microsoft 365 administration, cybersecurity best practices, backup and disaster recovery, and overall systems operations. The ideal candidate is a self-motivated technical professional who can take ownership of infrastructure-related initiatives, troubleshoot complex issues, document procedures, and work effectively with both technical and non-technical stakeholders. This position requires strong technical judgment, attention to detail, and the ability to support a mission-critical environment where system availability and security are essential. This position is primarily onsite with limited remote work flexibility and may require occasional after-hours support to maintain a 24/7 operational environment.
Requirements
- Bachelor's degree in Information Technology, Computer Science, Information Systems, Engineering, or a related technical discipline; equivalent experience may be considered.
- Ability to obtain and maintain an HSPD-12 badge and DOE Q clearance.
- Minimum of 7 years of experience supporting IT infrastructure for small to mid-sized organizations.
- Strong hands-on experience administering VMware environments in production settings.
- Experience administering Windows Server environments and enterprise infrastructure.
- Experience with Microsoft 365 administration.
- Experience supporting backup, disaster recovery, and business continuity processes.
- Experience implementing security hardening, patch management, and system compliance requirements.
- Strong troubleshooting, analytical, and problem-solving skills.
- Excellent written and verbal communication skills, including technical documentation.
- U.S. Citizenship is required.
Nice To Haves
- Industry certifications such as VMware (VCP), Microsoft, CompTIA Security+, CISSP, or equivalent.
- Experience supporting Microsoft SQL Server environments.
- Experience with centralized logging, monitoring, and auditing platforms.
- Experience supporting environments with elevated security requirements.
- Experience with infrastructure automation and systems optimization.
- Active DOE Q clearance.
Responsibilities
- Administer, maintain, and optimize enterprise IT infrastructure and systems.
- Serve as the primary administrator for virtualized vSphere environments, including deployment, configuration, maintenance, troubleshooting, and performance optimization.
- Design, implement, and support server infrastructure, including both virtual and physical systems.
- Perform system hardening, vulnerability remediation, patch management, and security compliance activities.
- Administer Microsoft 365 services, including email, user accounts, security settings, and related administrative functions.
- Support and maintain Microsoft SQL Server environments and associated applications.
- Manage enterprise backup, recovery, and disaster recovery solutions to ensure business continuity.
- Maintain high data integrity for safeguards and disaster recovery.
- Monitor system performance and proactively identify opportunities for improvement, automation, and increased reliability.
- Configure and maintain endpoint protection technologies, including antivirus, malware, EDR, and XDR solutions.
- Manage user accounts, access controls, retention policies, and identity-related administrative functions.
- Support desktop, laptop, and peripheral device configuration, deployment, integration, and troubleshooting.
- Implement and maintain system logging, auditing, monitoring, and reporting capabilities.
- Design and support fault-tolerant and redundant infrastructure solutions.
- Develop and maintain technical documentation, procedures, and standard operational policies.
- Interface with customers and stakeholders to gather requirements, prioritize work, and resolve technical issues.
- Participate in troubleshooting and resolution of infrastructure, network, server, and application-related incidents.
- Stay current on emerging technologies, cybersecurity threats, and industry best practices.
Benefits
- Competitive compensation package
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What This Job Offers
Job Type
Full-time
Career Level
Senior
