Overview

Senior System Administrator Position Description The Senior Systems Administrator will serve as a critical member of Penhall's IT team, responsible for maintaining and enhancing the companys IT infrastructure, both on-premises and in the cloud. This role will focus on ensuring high system availability, top-tier support, and adherence to IT best practices while delivering efficient and scalable solutions. The position requires expertise in system administration, cybersecurity, and process automation, with the ability to manage multiple priorities in a fast-paced environment.Duties and Responsibilities:Manage and administer on-premises and cloud-based IT infrastructure, including networking, servers, Active Directory, Azure, Microsoft 365, Track IT, and cybersecurity programs.Serve as the highest escalation point for IT-related challenges, engaging with vendors and troubleshooting complex issues.Design, implement, and optimize systems maintenance plans, including system performance monitoring, patching, and disaster recovery testing, with a focus on automation and improvement opportunities.Champion cybersecurity best practices, including multi-factor authentication (MFA), least-privilege access, conditional access, and secure system configurations.Lead efforts to replace or upgrade existing systems and align IT infrastructure with business goals.Maintain and document IT processes, policies, and systems configurations (e.g., network diagrams, patch management, disaster recovery, security measures).Configure and manage firewalls, switches, wireless access points, VPNs, and other networking devices.Monitor, analyze, and act on system and security alerts, including those from Proofpoint and CrowdStrike platforms.Deploy and manage backup and recovery solutions, ensuring data integrity and business continuity.Create, maintain, and optimize PowerShell scripts and other automation tools to streamline repetitive IT tasks.Conduct regular network audits and implement corrective measures as needed. Manage and implement endpoint configuration tools, such as Automox, to ensure systems are secure and compliant.Provide exceptional customer support to internal stakeholders and assist in resolving IT-related issues in a timely manner.Author and maintain technical documentation using tools such as Microsoft Visio, Word, and PowerPoint.Stay informed of emerging IT trends and technologies and recommend relevant solutions for Penhalls needs.Provide training, guidance, and mentorship to junior team members and support staff.Perform other related duties as assigned by the manager. Position Requirements Required Skills and Abilities:Proficiency in Microsoft 365 ecosystem, including Exchange Online, Teams, SharePoint, and OneDrive.In-depth knowledge of Azure AD, including SSO, conditional access, synchronization methods, and group policy management.Expertise in cybersecurity measures, including endpoint protection, encryption, intrusion detection, and secure configurations.Strong experience with cloud platforms, particularly Azure, and performing premise-to-cloud migrations.Advanced skills in PowerShell scripting and other automation tools.Proficiency in managing virtualization platforms such as VMware or Azure.Networking expertise, including DHCP, DNS, VLANs, and troubleshooting using packet capture tools.Familiarity with enterprise backup solutions like Veeam and storage systems, including SAN and iSCSI technologies.Strong written and verbal communication skills, with the ability to convey technical information to non-technical stakeholders.Essential Core Competencies: Problem Solving: Ability to efficiently diagnose and resolve technical issues.Critical Thinking: Anticipates potential IT challenges and develops proactive solutions.Attention to Detail: Ensures accuracy in configurations, updates, and documentation.Communication Skills: Clearly explains technical concepts to stakeholders and creates comprehensive documentation.Team Collaboration: Works