Network Administrator II

Alumni Ventures; Westminster (CO); On-site; USD 85,000 - 100,000; Full time

Benefits offered by this job

Company stock options

Health insurance

Dental and vision plans

HSA, FSA, life and disability insurance

Retirement plans

Job summary

Alumni Ventures is hiring a Network Administrator II in Westminster, CO. In this role, you will manage and optimize network infrastructure, ensuring robust support for mission-critical operations.

The ideal candidate will have a Bachelor's in Computer Science or a related field and 2-5 years of network administration experience. This position offers full-time employment with stock options and a comprehensive benefits package.

Qualifications

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

Responsibilities

• Configure, administer, and maintain network infrastructure.
• Monitor network performance and availability.
• Troubleshoot network connectivity and latency issues.

Skills

Network administration

Firewall and network security solutions

VPN and remote access technologies

Routing, switching, TCP/IP, VLANs

Network monitoring and diagnostics tools

Strong analytical skills

Education

Bachelor’s degree in Computer Science or related field

Tools

Fortinet

Ticketing systems

Job description

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.

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 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

Network Infrastructure Administration

• 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, responsibilities, and special projects as assigned to support business operations, organizational objectives, 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.

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.

85000 - 100000 USD a year