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Information Technology (IT) Systems Administrator (Systems Application Analyst3) - 28492

HII Mission Technologies Division

Sacramento, California, United States

Sacramento, California, United States

À propos

Requisition Number: 28492 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $96,278.00 - $125,000.00 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., 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 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., 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) 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, 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 Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Security + certification 3+ years of experience in technical support or a similar role WIN, macOS, Linux, iOS, and android Experience with helpdesk 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 environment Good work ethic and is a go-getter Must be US Citizen Ability to obtain a government security clearance Bonus points for: Secret clearance Experience with SIEM, ACAS, XDR, and Linux Hands-on experience with FedRAMP-authorized cloud platforms and demonstrated understanding of federal IT security requirements and compliance frameworks Hands-on experience with zero-trust architecture principles and modern identity platforms (e.g., Okta, Azure AD/Entra ID, Lastwall) 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 The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills. Meet HII’s Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies, click here for a short video: 732533072 HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application. Why HII We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. 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. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an e-mail to
and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call
for assistance. Press #3 for HII Mission Technologies.

Sacramento, California, United States

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