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Nexxen

Senior IT Systems Engineer

Nexxen

. Design, implement, and support enterprise infrastructure across AWS, Azure, Microsoft 365, SaaS platforms, and on-premises environments .

Posted 10/22/2026full-timeNew York City • New York • United StatesSenior💰 $10,000 - $130,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in designing and managing enterprise infrastructure across AWS, Azure, and Microsoft 365, with a strong focus on identity management, security controls, and operational efficiencies. Proven ability to lead complex projects, perform advanced troubleshooting, and ensure compliance with regulatory standards.

Highest-signal resume keywords
AWS Cloud InfrastructureMicrosoft 365 AdministrationActive Directory ManagementPowerShell ScriptingCybersecurity Principles

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Infrastructure EngineeringSystems DesignCapacity PlanningPerformance OptimizationDisaster RecoveryIdentity Lifecycle ManagementRBAC ImplementationVulnerability ManagementRoot Cause AnalysisAutomation Solutions
Soft Skills
CommunicationCross-Functional CollaborationTechnical LeadershipMentoring
Tools & Technologies
Microsoft Entra IDCisco MerakiPalo Alto Prisma AccessSlackJira CloudVMwareAPIsMicrosoft Graph
Certifications & Qualifications
AWS CertificationMicrosoft CertificationVMware CertificationSecurity CertificationNetworking Certification
Industry Keywords
SaaS PlatformsCloud TechnologiesCompliance FrameworksSOXSOC 2Incident ManagementHigh-Availability ArchitecturesRemote Access Security

Tech Stack

Tools & technologies
AWSAzureCloudCyber SecurityFirewallsGoogle Cloud PlatformSwitchingVMware

About the role

Key responsibilities & impact
  • Design, implement, and support enterprise infrastructure across AWS, Azure, Microsoft 365, SaaS platforms, and on-premises environments
  • Lead infrastructure modernization, platform standardization, migration, and lifecycle management initiatives
  • Design and support highly available, scalable, and resilient systems, including disaster recovery and business continuity capabilities
  • Perform capacity planning, performance optimization, proactive monitoring, and operational health management
  • Lead complex troubleshooting efforts, root cause analysis, and post-incident remediation activities
  • Serve as the highest-level escalation point for infrastructure, networking, cloud, and identity-related issues
  • Architect and administer Active Directory and Microsoft Entra ID environments
  • Lead enterprise identity initiatives including SSO, SCIM provisioning, MFA, and identity lifecycle management
  • Implement and maintain RBAC, privileged access controls, and least-privilege security models
  • Partner with application owners to integrate enterprise authentication and access governance solutions
  • Administer and optimize Microsoft 365 services including Exchange Online, SharePoint Online, Teams, and OneDrive
  • Develop automation solutions using PowerShell, Microsoft Graph, APIs, and cloud-native technologies
  • Implement AI-enabled operational efficiencies while maintaining governance, security, and compliance controls
  • Support and integrate Microsoft 365, Slack, and Jira Cloud
  • Administer and optimize enterprise network infrastructure, including Cisco Meraki and Palo Alto Prisma Access/GlobalProtect environments
  • Design and maintain secure remote access, VPN, segmentation, firewall, and network security architectures
  • Implement security controls across cloud, identity, endpoint, and network environments
  • Lead vulnerability management, patch management, endpoint protection, and remediation programs
  • Assess infrastructure and technology risks and recommend mitigation strategies
  • Define and maintain backup, retention, recovery, logging, and business continuity standards
  • Support SOX, SOC 2, and other regulatory or audit requirements through control validation and documentation
  • Develop and maintain architecture documentation, runbooks, operational procedures, and engineering standards
  • Lead large-scale projects, technology migrations, integrations, and strategic initiatives
  • Mentor engineers and contribute to technical leadership, knowledge sharing, and continuous improvement

Requirements

What you’ll need
  • 7+ years of experience in systems engineering, infrastructure engineering, or related enterprise IT roles
  • Demonstrated experience managing complex enterprise environments across cloud, SaaS, and on-premises platforms
  • Strong expertise with AWS cloud infrastructure and services
  • Strong expertise with Microsoft 365 and Entra ID
  • Strong expertise with Active Directory and identity services
  • Strong expertise with VMware administration
  • Strong expertise with enterprise networking, routing, switching, firewalls, VPNs, and high-availability architectures
  • Experience implementing and supporting SSO, MFA, SCIM provisioning, RBAC, and access governance
  • Advanced PowerShell scripting and automation experience utilizing APIs and Microsoft Graph
  • Strong knowledge of cybersecurity principles, vulnerability management, risk management, and compliance frameworks
  • Experience leading infrastructure projects, migrations, and operational improvement initiatives
  • Proven ability to perform advanced troubleshooting and root cause analysis across infrastructure, networking, cloud, and SaaS technologies
  • Strong documentation, communication, and cross-functional collaboration skills
  • Candidates must be authorized to work in the U.S. without current or future sponsorship by Nexxen
  • Ability to commute to the New York office 3+ days a week
  • Preferred: industry certifications in AWS, Microsoft, VMware, Security, or Networking
  • Preferred: experience with Google Cloud Platform (GCP)
  • Preferred: experience administering PagerDuty or similar incident management platforms
  • Preferred: experience supporting global, geographically distributed organizations

Benefits

Comp & perks
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Disability insurance
  • 401(k)
  • Employee Assistance Program (EAP)
  • Parental leave
  • Unlimited vacation
  • Company-paid holidays
  • Potential incentive or bonus