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Network Administrator II

CesiumAstro

Job Location:

Westminster, CA - USA

Yearly Salary: $ 94000 - 112000

Posted: 19 June 2026 (30+ days ago)

Application Deadline: 23 October 2026

Vacancies: 1 Vacancy

Job Summary

Please Note:To conform with the United States Government Space Technology Export Regulations the applicant must be a U.S. citizen lawful permanent resident of the U.S. conditional resident asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)) or eligible to obtain the required authorizations from the U.S. Department of State.

AtCesiumAstro we are developers and pioneers of out-of-the-box communication systems for satellites UAVs launch vehicles and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment which allows us to learn develop and engage across our organization. If you are looking for hands-on interactive and autonomous work CesiumAstro is the place for you. We are actively seeking passionate collaborative energetic and forward-thinking individuals to join our team.

CesiumAstro is seeking a Network Administrator II to join our 2nd or 3rd this role you will support network infrastructure and communications systems associated with the Element 1 Launch Operations Program. This role is responsible for maintaining secure reliable and high-performing network environments that support engineering integration testing mission operations and launch activities.

The ideal candidate is a proactive and technically capable network professional with experience supporting operational infrastructure in mission-critical environments. This position works closely with IT infrastructure cybersecurity mission operations and engineering teams to ensure network stability security and operational readiness across launch and ground support systems.

JOB DUTIES AND RESPONSIBILITIES

Configure administer monitor and maintain enterprise and operational network infrastructure supporting Element 1 launch operations
Support switches routers firewalls wireless infrastructure and network security appliances
Monitor network performance availability and capacity to ensure reliable operational support
Troubleshoot network connectivity latency and infrastructure-related issues across operational and engineering environments
Support implementation and maintenance of VLANs VPNs routing protocols and access control configurations
Support network infrastructure associated with launch operations integration labs mission operations and testing environments
Assist with network provisioning hardware deployments cable management and infrastructure upgrades
Collaborate with cybersecurity teams to support network security vulnerability remediation and compliance initiatives
Participate in incident response and operational troubleshooting activities during critical mission and launch support windows
Support business continuity and disaster recovery planning activities related to network operations
Maintain accurate network diagrams infrastructure documentation configuration records and operational procedures
Assist with implementation of infrastructure improvements focused on reliability scalability and operational efficiency
Support network audits compliance reviews and cybersecurity assessments
Recommend process improvements and infrastructure enhancements based on operational needs and performance trends
Perform other duties responsibilities and special projects as assigned to support business operations organizational objectives and evolving Element 1 program needs

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelors degree in Computer Science Information Technology Information Systems Network Engineering Cybersecurity or a related technical field.
25 years of professional experience in network administration or network operations.
Experience administering enterprise networking environments and supporting operational infrastructure.
Working knowledge of:
- Enterprise networking technologies (Fortinet preferred or equivalent platforms)
- Firewall and network security solutions
- VPN and remote access technologies
- Network monitoring diagnostics and troubleshooting tools
- Routing switching TCP/IP VLANs and network segmentation
- Ticketing systems and infrastructure management platforms
Strong analytical and troubleshooting skills with the ability to resolve network connectivity hardware and software issues.
Excellent communication skills and ability to collaborate across technical teams.

PREFERRED EXPERIENCE

Experience supporting aerospace defense manufacturing mission operations or other highly regulated operational environments.
Familiarity with cybersecurity frameworks compliance requirements and vulnerability management processes.
Experience supporting 24/7 operations or shift-based environments.

$94000 - $112000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates work experience education/training and key skills. Full-time employment offers include company stock options and a generous benefits package including health dental vision HSA FSA life disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard torace color religion sex national origin disability protected Veteran Status or any other characteristic protected by applicable federal state or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro and we will not be obligated to pay any referral fees.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

Unclear Seniority

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