Information Technology; IT Systems Administrator; Systems Appli Security Clearance

Position: Information Technology (IT) Systems Administrator (Systems Appli with Security Clearance
Requisition Number: 28626 Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt Anticipated Salary Range: $96,278.00 - $ Security Clearance:
Ability to Obtain Level of

Experience:

Mid HI This opportunity resides with All-Domain Operations (ADO), a business group within HII's Mission Technologies division. All-Domain Operations comprises multi-domain operations, platforms and logistics, and intelligence operations. HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department of Defense, the combatant commands and the intelligence community, HII advances the mission around the globe.

Leadership Mindset at HII - Mission Technologies Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:
* Know & Grow Your People - Commit to learning and supporting team success.
* Build Relationships - Communicate openly, collaborate well, and build trust.
* Take Ownership - Deliver on commitments and take pride in your work.
* Customer First - Focus on the mission and those we serve.
* Shape the Future - Bring ideas, curiosity, and continuous improvement.
* Act with Urgency - Take initiative and follow through with purpose. These capabilities guide how all employees contribute to our shared success across Mission Technologies. Summary HII-Mission Technologies in Mountain View, CA is seeking an experienced and highly capable Information Technology (IT) Systems Administrator for the Defense Innovation Unit (DIU) to serve as a cornerstone of the IT team's technology operations.

Candidate should be a technologist with experience in both modern commercial IT delivery and multiple classification levels of government systems. Candidate should be able to independently configure complex infrastructure, mentor peers, and drive operational excellence across the full IT stack. This role spans the full depth of IT administration: delivering expert-level Tier 1 and Tier 2 end-user support across multiple channels and platforms, managing enterprise network and cloud infrastructure, leading endpoint and mobile device management, and contributing directly to IT policy, procurement, and project planning.

The right candidate is equally comfortable imaging a Windows or Mac workstation, managing network infrastructure, configuring SaaS platform solutions, and training end users on advanced enterprise applications. DIU's environment is fast-paced and mission-critical, working at the intersection of technology and national security - your contributions directly support high-stakes outcomes. You must bring strong independent judgment and the ability to work both autonomously and as a core part of a collaborative IT team.

Key Responsibilities:

* End-User Support (Tier 1 & Tier
2)
* Provide expert technical assistance and support to end users via email, phone, web teleconference, and in person
* Troubleshoot and resolve complex hardware and software problems across Windows, macOS, iOS, and cloud Software as a Service (SAAS) environment
* Triage, prioritize, and track issues and document in helpdesk ticketing system (e.g., Service Now)
* Provide in-person video teleconference (VTC) setup, configuration, and real-time support for senior leadership and mission-critical meetings
* Lead onboarding and out-processing of users for IT, including account provisioning, device configuration, access rights assignment, secure data handling procedures, and end user orientation
* Device & Endpoint Management
* Own the full lifecycle of end-user devices - laptops, desktops, mobile phones, and tablets - across Windows, macOS, iOS, and Android platforms
* Perform system reformatting, reimaging, and OS reinstallation across all supported platforms with speed and consistency
* Configure, enforce, and maintain MDM/UEM policies (e.g., Ninja One, Kandji, Microsoft Intune) to ensure security compliance, patch currency, and organizational standards
* Networking & Infrastructure
* Administer and monitor LAN/WAN infrastructure including routers, managed switches, wireless access points, and next-generation firewalls
* Design, configure, and maintain network segmentation, VLANs, and access control policies
* Manage VPN and remote access solutions for hybrid and remote users
* Configure and maintain server infrastructure (physical and virtual)
* Cloud Services & Platform Administration
* Serve as the primary administrator for cloud productivity platforms including Google Workspace and/or Microsoft 365, managing users, groups, licenses, permissions, and security configurations at an organizational level
* Administer cloud infrastructure and SaaS applications hosted in FedRAMP-authorized environments (e.g., Salesforce, Service Now)
* Own identity and access management (IAM) including SSO…