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Information Technology (IT) Systems Administrator (Systems Application Analyst 3)Huntington Ingalls Industries • Mountain View, California, United States
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Information Technology (IT) Systems Administrator (Systems Application Analyst 3)

Huntington Ingalls Industries
  • US
    Mountain View, California, United States
  • US
    Mountain View, California, United States
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Über

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
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 help‑desk ticketing system (e.g., ServiceNow).
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.
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., NinjaOne, 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).
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, ServiceNow).
Own identity and access management (IAM) including SSO configuration, MFA enforcement, conditional access policies, and role‑based access controls.
Monitor cloud platform health, capacity, and usage metrics; proactively implement improvements to reliability, performance, and cost efficiency.
Security & Compliance
Own and enforce IT security policy across endpoints, mobile devices, accounts, and network infrastructure.
Lead vulnerability management activities including patch cadence management, configuration audits, and software update compliance across all managed systems.
Conduct and support security access reviews, system audits, and compliance documentation in alignment with applicable federal frameworks.
Ensure the security and integrity of organizational data across all platforms and transmission channels.
IT Policy, Projects & Documentation
Actively participate in planning, implementation, and maintenance of IT projects, contributing technical expertise and operational perspective from conception through completion.
Contribute to the development, refinement, and enforcement of IT policies and procedures, ensuring they reflect operational realities and organizational risk tolerance.
Create and maintain comprehensive and accurate IT documentation — runbooks, standard operating procedures, network diagrams, system configurations, and asset inventories.
What you need to have
5+ years relevant experience with a Bachelor’s in a related field; or 3+ years with a Master’s; or 9+ years with a high school diploma or equivalent.
Security clearance or ability to obtain.
3+ years of experience in technical support or a similar role.
Proficiency in Windows, macOS, Linux, iOS, and Android.
Experience with help‑desk ticketing systems.
Experience in NIPR, SIPR, and JWICS.
Experience on Google Workspace, AWS, GCP, SIEM, ACAS, XDR, and Linux.
Experience with automation scripts / shell—Bash, PowerShell, zsh, and Python.
Experience with network configuration and maintenance—Cisco, Palo Alto Networks, Meraki, and Aruba.
Strong problem‑solving and analytical skills.
Excellent communication and customer‑service skills.
Ability to work independently and in a team.
Good work ethic and go‑getter attitude.
Must be U.S. Citizen.
Hands‑on experience with FedRAMP‑authorized cloud platforms and federal IT security compliance.
Experience with zero‑trust architecture principles and modern identity platforms (e.g., Okta, Azure AD/Entra ID, LastPass).
Experience configuring enterprise VTC/AV systems (Zoom Rooms, Cisco Webex, or equivalent).
Familiarity with server virtualization (VMware, Hyper‑V) and/or containerization (Docker, Kubernetes).
Experience contributing to or authoring IT policies, documentation or formal IT project plans.
Familiarity with NIST SP 800‑53, DISA STIGs, CMMC, or related federal security control frameworks.
Relevant certifications such as CompTIA Security+, Network+, CySA+, Microsoft 365 Certified (Administrator Expert or Security Administrator), Google Professional Cloud Administrator, or CISSP.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Reasonable accommodations for the application process may be provided. If you need an accommodation, please contact buildyourcareer@hii-co.com or call 1‑844‑849‑8463.
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  • Mountain View, California, United States

Sprachkenntnisse

  • English
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