The posting
Job Title: Senior MS Systems Engineer L3
Primary Location: Chicago IL, near O'Hare / Northwest Suburbs
Position Type: Full-Time Direct Hire or Contract to Hire
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OverviewTalentFish is casting a line for a Senior MS Systems Engineer L3 in Chicago's near west suburbs. This is a hybrid role as needed (approx. 1-2 days per week or less). This position will be primarily focused on managing/maintaining on-premises infrastructure, with some interaction with cloud-based tools such as Azure AD (Entra ID) and Intune.
- In this role, you will be designing, implementing, managing, and maintaining the organization's Information Technology Systems.
- Y ou will be working with the architecture team to evaluate and ensure the efficient and secure operation of IT and business systems.
- The ideal candidate will have in-depth skills in Windows System Administration, Active Directory management, a strong understanding and management of FSMO roles, Group Policy Management, Event Viewer and Event Log analysis, and GPO configuration and maintenance.
What You Bring to the Role / Required Skills
- Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent work experience).
- Minimum of 5+ years of experience in systems administration, IT infrastructure management, and
- Experience supporting Microsoft technologies, including MS Windows Server, Microsoft System Center Configuration Manager (SCCM), MS Office 0365, MS Intune, Active Directory, and Azure AD (Entra ID).
- Proven experience supporting and managing on-premises infrastructure, including Active Directory, Windows Server, storage systems, and virtualization platforms (e.g., Hyper-V).
- Comfortable operating in on-premises IT environments, while possessing working knowledge/experience in cloud technologies like Azure AD and Intune.
- Strong expertise in Active Directory operations, including FSMO role management, Group Policy Objects (GPO), and Event Viewer/Event Log analysis for system diagnostics and auditing.
- Proven experience in designing, implementing, and maintaining server and storage infrastructures.
- Experience working with complex IT environments, including Active Directory configurations, Azure AD (Entra ID), VMs, and Hyper-V.
- Experience working with multiple operating systems, servers, and storage systems management.
- Experience managing system security, IAM, compliance, and endpoint security using tools like Okta, SentinelOne, or similar.
What You'll Do. (Skills Used in this Position)
Server Management:
- Take ownership of on-premises system infrastructure, ensuring stability, performance, and security across physical and virtual environments.
- Administer and maintain server infrastructure, including installation, configuration, and monitoring.
- Perform proactive monitoring and diagnostics using Event Viewer and other native tools to ensure server health and system integrity.
- Perform regular system updates, backups, and ensure high availability of servers.
- Troubleshoot server-related issues and optimize server performance.
Storage Management:
- Design, implement, and maintain the storage infrastructure ecosystem.
- Design, implement, and maintain data backup environment, including off-site disaster recovery.
- Responsible for applying patches, upgrading software, and making sure that data is secure.
- Maintain the fiber channel switches, cloud storage, and SAN arrangements.
Active Directory:
- Design, implementation, and maintenance of on-premises Active Directory, including group policies, domains, and authentication. Familiarity with Azure Active Directory (Entra ID) in a hybrid capacity is beneficial.
- Responsibilities include managing domains, troubleshooting Active Directory authentication issues, performing FSMO role placement and maintenance, and using Event Logs for diagnostics and security auditing.
- Ensure that the Active Directory environment is secure, efficient, and scalable.
- Manage certificate authority servers, certificate lifecycle, and secure PKI infrastructure.
- Provide management and support of DNS systems.
- Develop strategies for disaster recovery and ensure compliance with regulations and policies.
System Design, Implementation & Configuration:
- Design, implement, and maintain IT systems and infrastructure.
- Ensure the seamless integration of innovative technologies into existing systems.
- Assist in the recommendation of hardware and software solutions to meet organizational requirements.
Security and Compliance:
- Develop, implement, and enforce security policies, procedures, and best practices.
- Assist during regular security audits and vulnerability assessments.
- Ensure compliance with industry regulations and standards.
- Monitor and address issues related to device endpoint security and configuration deployment.
Technical Support:
- Collaborate with the service desk team to resolve escalated technical problems.
- Develop and maintain documentation for troubleshooting and system configurations.
- Provide technical support to end-users, addressing hardware and software issues.
- Perform incident root cause analysis and remediation of system outages.
- Participate in on-call rotation to provide off-hours support and maintenance.
Collaboration and Communication:
- Work closely with cross-functional teams to understand business requirements.
- Collaborate with peers, system architects, and other stakeholders to develop effective IT solutions.
- Communicate technical information to non-technical stakeholders.
- Maintain infrastructure diagrams, configurations, and operating procedures.
Continuous Improvement:
- Stay informed about industry trends and emerging technologies.
- Propose and implement improvements to enhance system performance and efficiency.
- Participate in ongoing professional development to stay current with relevant certifications and skills.
