Network Administrator II

CesiumAstro; Denver (CO); On-site; USD 45,116 - 53,326; Full time

Benefits offered by this job

Company stock options

Health benefits

Retirement plans

Job summary

CesiumAstro in Denver is seeking a Network Administrator II to support network infrastructure for the Element 1 Launch Operations Program. This role brings a hands-on approach to maintaining high-performing networks while collaborating with cybersecurity teams.

Ideal candidates will have a Bachelor’s degree in a related field and 2-5 years of experience. The position offers competitive hourly pay between $32.75 - $38.71 and extensive benefits.

Qualifications

• 2–5 years of professional experience in network administration.
• Experience administering enterprise networking environments.
• Strong analytical and troubleshooting skills.

Responsibilities

• Configure and maintain network infrastructure for launch operations.
• Monitor and troubleshoot network performance issues.
• Support business continuity and disaster recovery efforts.

Skills

Network administration

Analytical skills

Communication skills

VPN and remote access technologies

Education

Bachelor’s degree in Computer Science or related field

Tools

Fortinet

Network monitoring tools

Job description

Overview

CesiumAstro is seeking a Network Administrator II to join our 2nd or 3rd shift. In 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 applicant must be a U.S. citizen, lawful permanent resident, conditional resident, asylee or refugee, or eligible to obtain the required authorizations from the U.S. Department of State in order to conform with the United States Government Space Technology Export Regulations.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We offer a dynamic and cross-functional work environment that supports learning, development, and collaboration across the 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.

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.

Operational & Technical Support

• 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.

Documentation & Continuous Improvement

• 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 and special projects as assigned to support business operations and evolving Element 1 program needs.

Job Requirements And Minimum Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Information Systems, Network Engineering, Cybersecurity, or a related technical field.
• 2–5 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.

$32.75 - $38.71 an hour

CesiumAstro considers several factors when extending an offer, including the role and associated responsibilities, a candidate’s 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 to race, 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.