Manager, IT Infrastructure

Delinea-posted 4 months ago
Full-time • Senior
Washington, DC
1,001-5,000 employees
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Lead cross-functional IT teams across Cloud Support and Data Center operations, providing mentorship, resource allocation, and alignment with organizational goals. Oversee infrastructure initiatives, including HCI cluster deployments, data center lifecycle refreshes, and firewall/vendor migrations, ensuring secure and reliable operations. Manage virtualization platforms, driving migrations from VMware ESXi to Microsoft Hyper-V to optimize costs and standardize environments. Direct network, server, and storage projects, delivering scalable, high-performance solutions to support enterprise needs. Establish and maintain enterprise monitoring and access control systems, ensuring 24/7 uptime, security, and compliance across all sites. Administer and optimize Microsoft 365 services (Intune, Entra, Exchange, Azure AD), enhancing collaboration, endpoint management, and identity governance. Coordinate Agile planning through Azure DevOps, guiding multiple teams in setting and achieving quarterly and annual priorities.

  • Support the Director of IT in managing day-to-day operations, prioritizing projects, and implementing solutions across security, infrastructure, and cloud services.
  • Coordinate and deliver IT projects by aligning staff, user departments, and data center resources, while fostering cross-training and knowledge transfer opportunities for team growth.
  • Collaborate with Security Operations (SecOps) and Support Desk to implement and maintain security systems, enforce RBAC/least-privilege standards, and safeguard against unauthorized access or data loss.
  • Manage enterprise infrastructure and platforms, including firewalls, routers, switches, wireless networks, servers, storage, patch management, and monitoring systems.
  • Oversee continuity and resilience practices, including disaster recovery, backup procedures, and proactive system health monitoring across physical and virtual environments.
  • Act as a technical escalation point for the Cloud Support and Data Center Support teams, providing subject matter expertise on systems and networking while mentoring and developing IT team members.
  • Assist in managing IT staff lifecycle, including recruiting, onboarding, training, and supporting professional development initiatives.
  • 10+ years of progressive IT experience in systems administration, infrastructure management, or a related role.
  • Proven ability to lead, train, and develop IT staff in fast-paced environments, including recruiting, onboarding, performance management, and project supervision.
  • Hands-on expertise in infrastructure and networking, including SAN/NAS, VLANs, VoIP, QoS, ACLs, and enterprise switch/firewall platforms.
  • Advanced knowledge of virtualization technologies (VMware, Microsoft Hyper-V) and Hyper-Converged Infrastructure design, deployment, and troubleshooting.
  • Strong background in Microsoft ecosystems, including Windows Server (2012–2025), Active Directory, Group Policy, Microsoft 365 Suite, SharePoint, OneDrive for Business and Intune.
  • Proficiency with Linux/Unix systems, including CLI-based administration, scripting, and system management.
  • Expertise in network services and protocols, including DHCP, DNS, RADIUS/NPS, VPNs (SSL & IPSec), syslog, RMM and NMS platforms.
  • Security-focused mindset, with experience in MFA, SSO/SAML, IPS/IDS systems, log aggregation, monitoring tools, and security hunting methodologies.
  • Knowledge of backup and disaster recovery strategies, with experience implementing resilient enterprise solutions.
  • Familiarity with industry certifications such as Network+, Server+, MCSA/MCSE, CCNA, VCP, or equivalent.
  • Competitive salaries
  • Meaningful equity and bonus program
  • Full suite of medical, dental, and vision insurance
  • Pension/retirement matching
  • Comprehensive life insurance
  • Employee assistance program
  • Generous discretionary time off (DTO)
  • Paid company holidays
  • Paid leave for new birth, adoption, surrogacy, or foster-to-adopt primary caregivers
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