• Windows System Engineer

    Infinitive Inc (Ashburn, VA)


    *US Citizenship is required for this position.

     

    Infinitive is a data and AI consultancy that enables its clients to modernize, monetize and operationalize their data to create lasting and substantial value. We possess deep industry and technology expertise to drive and sustain adoption of new capabilities. We match our people and personalities to our clients' culture while bringing the right mix of talent and skills to enable high return on investment.

     

    Infinitive has been named “Best Small Firms to Work For” by Consulting Magazine 7 times most recently in 2024. Infinitive has also been named a Washington Post “Top Workplace”, Washington Business Journal “Best Places to Work”, and Virginia Business “Best Places to Work.”

    Role Overview

    We are seeking an experienced Windows Systems Engineer to design, implement, and support enterprise-level Windows infrastructure. The ideal candidate will have strong, extensive experience with Active Directory and Windows Server, with related experience in other Microsoft enterprise software such as Microsoft Exchange, O365/Teams, SharePoint, Intune, or OneDrive. Additional experience in typical large enterprise third-party application administration, including Oracle, Splunk, Tenable, and others is highly desirable. You will work with a team to develop and execute project plans to migrate these systems and a subset of their users and data to new instances in a new network deployment. Azure experience is a plus.

    Key Responsibilities

    + Design, deploy, and maintain Windows Server 2016/2019 environments, ensuring high availability and performance.

    + Administer and optimize Active Directory (AD), Group Policy, DNS, DHCP, and LDAP services.

    + Administer Domain Trusts and configure Identity Federation between and new and existing environments during transition.

    + Manage and support Microsoft Exchange Server and Office 365 environments.

    + Install, configure, and maintain third-party applications, including or similar to:

    + Oracle Database: Support, patching, and integration with Windows environments.

    + Splunk: Deployment, log management, and system monitoring.

    + Tenable (Nessus, Tenable.io, Tenable.sc): Security scanning, vulnerability management, and compliance reporting.

    + Implement and maintain security best practices, including patch management, access controls, and vulnerability mitigation.

    + Monitor system performance, troubleshoot issues, and provide proactive solutions.

    + Configure and manage networking components, including firewalls, VPNs, routers, and switches.

    + Collaborate with cross-functional teams to support enterprise applications and IT infrastructure projects.

    + Create and maintain documentation, including system configurations, procedures, and troubleshooting guides.

    + Provide Level 2/3 support for escalated technical issues and participate in on-call rotations as needed.

    Required Qualifications & Skills

    + 5+ years of hands-on experience as a Windows Systems Engineer or Administrator in an enterprise environment.

    + Strong expertise in Windows Server 2016/2019 administration, configuration, and troubleshooting.

    + Extensive experience with Active Directory, Group Policy, Domain Trusts, Identify Federation, DNS, DHCP, and LDAP.

    + Proficiency in Microsoft Exchange Server (2016/2019) and Office 365 email administration.

    + Hands-on experience with third-party applications, including:

    + Oracle Database (installation, patching, performance tuning).

    + Splunk (deployment, dashboard creation, log analysis).

    + Tenable (Nessus, Tenable.io, Tenable.sc) (security scanning and vulnerability management).

    + Knowledge of networking protocols, firewalls, VPNs, routing, and switching.

    + Familiarity with PowerShell scripting for automation and system management.

    + Experience with virtualization technologies such as VMware or Hyper-V.

    + Strong understanding of backup solutions, disaster recovery, and high-availability configurations.

    + Knowledge of security best practices, compliance (e.g., NIST, ISO 27001), and patch management.

    + Ability to diagnose and resolve complex system, application, and network-related issues.

    + Excellent communication, documentation, and problem-solving skills.

    Preferred Qualifications

    + Experience with cloud platforms such as Azure or AWS.

    + Familiarity with Exchange Online and hybrid Exchange environments.

    + Experience with Windows Server clustering and load balancing.

    + Certifications such as MCSE, MCSA, Azure Administrator Associate, or CCNA.

     

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