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Salary: USD 148,750 - 201,250 / annual
Defense Unicorns is seeking a Senior IT Systems & Security Engineer to join the Commercial Cyber Operations team. This role focuses on hands-on technical implementation across varied customer environments, with responsibility for designing, implementing, and validating systems that support NIST SP 800-171 compliance requirements.
You will assess unfamiliar customer environments and lead technical implementation plans alongside Compliance Leads. Core responsibilities include configuring and securing Microsoft 365, GCC High, Azure, Entra ID, Active Directory, Google Workspace, and Google Cloud Identity in hybrid environments. You will design, migrate, and operate endpoint-management programs across multiple platforms including Jamf and Microsoft Intune, implementing identity controls, multifactor authentication, least privilege access, endpoint security, logging, vulnerability management, patching, backup, and recovery systems.
Additional responsibilities include configuring and troubleshooting Windows, macOS, iOS, Android, networks, firewalls, VPNs, segmentation, DNS, and secure remote access. You will work directly with customer IT teams, service providers, and vendors to resolve complex technical issues, validate completed work, and produce clear configuration records, diagrams, evidence, and runbooks. You will also guide other implementation engineers and turn repeatable work into standards, scripts, and automation.
Travel expectations are 10–25%. This is a remote position based in the US, and the role requires US citizenship with CUI access.
REQUIREMENTS:
- Senior-level experience designing, administering, securing, and troubleshooting varied business IT environments
- Strong hands-on experience with both Microsoft and Google environments, including Microsoft 365, Entra ID, Active Directory, and Google Workspace
- Broad mobile device management and unified endpoint management experience across multiple platforms, with strong practical experience using Jamf and Microsoft Intune
- Experience managing Windows, macOS, iOS, and Android devices
- Experience with networking, firewalls, VPNs, identity, logging, endpoint protection, vulnerability management, patching, and backup systems
- Ability to lead customer implementations, make sound technical decisions independently, and explain those decisions in plain English
- Ability to produce accurate technical documentation and work effectively in a remote, asynchronous environment
- US citizenship with CUI access
PREFERRED EXPERIENCE:
- GCC High, Azure, Google Cloud Identity, Apple Business Manager, Android
- Enterprise, Microsoft Defender, or Microsoft Purview experience
- Defense contractor or government experience, particularly with NIST SP 800-171 or NIST SP 800-53 controls
- Cybersecurity Maturity Model Certification (CMMC) 2.0 experience
- PowerShell, shell scripting, infrastructure as code, security monitoring, or workflow-automation experience
- Relevant Microsoft, Google, Apple, cloud, networking, or security certifications
