user avatar

Senior Systems Administrator - Desktop

HII Mission Technologies

Posted today

Job Requirements

Port Hueneme, CA
Top Secret/SCI Polygraph Unspecified
Career Level not specified
$95,000 - $135,000

Job Description

Requisition Number: 29309

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $95,000.00 - $135,000.00

Security Clearance: TS/SCI

Level of Experience: Mid

This opportunity resides with , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.


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: https://vimeo.com/732533072



HII's Mission Technologies division is dedicated to delivering cutting-edge solutions that advance national security and defense objectives. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

The selected candidate will contribute to a high-impact government program focused on enhancing and securing mission-critical systems and environments. The program is scheduled to launch in early 2026 and due to the classified nature of the mission and the sensitivity of the operational environment, an active TS/SCI security clearance will be required.

This role is responsible for providing technical support in the organization's end-user computing environment. You will work closely with stakeholders to ensure timely resolution of technical issues. In addition to hands-on troubleshooting, this role assists with maintaining system security, supporting hardware and software lifecycles, and ensuring reliable day-to-day operation of end-user technology. This is an excellent opportunity to bring your technical knowledge to a growing team and help support our mission

Systems Administrator 2: $95,432 - $125,087

Systems Administartor 3: $107,176 - $145,680

Systems Administrator 4: $122,394 - $165,563



You will provide advanced desktop support and hands-on troubleshooting for end-user computing environments, ensuring users have reliable, secure, and well-functioning workstations, peripherals, and productivity tools.
In this role, you apply mid- to senior-level expertise to diagnose complex issues, support hardware and software lifecycles, and maintain a high-quality user experience across the organization.

Key responsibilities include resolving escalated service desk tickets, performing workstation deployments and configurations, and supporting operating system and application updates.
You will troubleshoot Windows, and Citrix issues; configure and maintain endpoint security tools; and support peripheral devices, network connectivity, and user authentication problems.
You may also participate in hardware lifecycle planning, software packaging and distribution, and documentation of support procedures.

Additionally, you will contribute to process improvements, assist with inventory accuracy, mentor junior technicians, and ensure end-user computing systems remain stable, secure, and aligned with organizational policies and operational needs.



5+ years progressively responsible IT desktop administrator experience
Demonstrated proficiency and expertise in the following:
- Deploying and managing Windows or ThinLinux end-client solutions
- Providing support to a variety of EUC platforms and applications such as thick, thin, and zero clients with Citrix Zendesktop, appV, and Windows Terminal Services
- Installing, configuring, monitoring, and troubleshooting Microsoft and third-part applications
- Patching operating systems and applications via MECM/SCCM, to include research, testing, installation, troubleshooting, and rollback.
- Applying and maintaining a standard security configuration based on SRGs and STIGs.

Must meet DoD 8140/CSWF for 451-Intermedediate or be willing to obtain the appropriate credential within 6 months

Active TS/SCI government security clearance required to start

Level Qualifications

Systems Administrator 2: 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.

Systems Administartor 3: 6 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.

Systems Administrator 4: 10 years relevant experience with Bachelors in related field; 8 years relevant experience with Masters in related field; or High School Diploma or equivalent and 14 years relevant experience.

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.


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.


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.
group id: 90934071

Mission Technologies Overview Video

job ad image
Find HII Mission Technologies on Social Media
Recruiters
user avatar
About Us
HII is an all-domain defense and technologies partner, recognized worldwide as America’s largest shipbuilder. With a 135-year history of trusted partnerships in advancing U.S. national security, HII delivers critical capabilities ranging from the most powerful and survivable naval ships ever built, to unmanned systems, ISR and AI/ML analytics. HII leads the industry in mission-driven solutions that support and enable an all-domain force. Headquartered in Virginia, HII’s skilled workforce is 44,000 strong.
job ad2 image

HII Mission Technologies Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI