Linux Administrator II
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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.
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 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 Linux Administrator II to support the infrastructure, systems administration, and operational readiness activities for the Element 1 launch operations program. This role is responsible for administering and maintaining Linux-based environments that support mission-critical engineering, testing, integration, and launch activities. The ideal candidate is technically strong, detail-oriented, and capable of supporting highly available systems in fast-paced operational environments where reliability, cybersecurity, and responsiveness are critical.
This position partners closely with software engineering, network engineering, mission operations, cybersecurity, and IT teams to ensure stable, secure, and scalable Linux infrastructure supporting launch and ground operations. The role requires strong troubleshooting skills, experience supporting operational systems, and the ability to work effectively in a highly collaborative aerospace and defense manufacturing environment.
JOB DUTIES AND RESPONSIBILITIES
Linux Systems Administration
- Administer, configure, monitor, and maintain Linux-based servers and operational systems supporting Element 1 launch operations
- Perform system provisioning, patching, upgrades, hardening, and performance tuning activities across development, test, and production environments
- Support operational readiness of mission-critical infrastructure with a focus on reliability, uptime, and security
- Manage user accounts, permissions, authentication methods, and system access controls in accordance with cybersecurity and compliance requirements
- Troubleshoot Linux operating system issues, system performance concerns, and infrastructure-related incidents
Infrastructure & Operational Support
- Support infrastructure activities associated with launch operations, ground systems, integration labs, and operational test environments
- Assist with system monitoring, log analysis, backup management, and disaster recovery processes
- Support virtualization, storage, and server environment maintenance activities
- Collaborate with network, cybersecurity, and software teams to resolve infrastructure and operational issues
- Participate in operational support activities during critical testing and launch windows as required
Documentation & Continuous Improvement
- Develop and maintain technical documentation, standard operating procedures, and system configuration records
- Support implementation of infrastructure automation and operational efficiency improvements
- Assist with system audits, compliance activities, and cybersecurity remediation efforts
- Contribute to continuous improvement initiatives focused on infrastructure reliability, scalability, and operational excellence
- 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, Computer Engineering, Cybersecurity, or a related technical discipline with 2 years+ experience in Linux systems administration.
- Knowledge of Linux systems administration principles and enterprise infrastructure support
- Understanding of networking fundamentals including TCP/IP, DNS, DHCP, VLANs, and firewalls
- Experience troubleshooting Linux operating system and server-related issues
- Familiarity with cybersecurity best practices and system hardening methodologies
- Ability to support operational environments requiring high availability and rapid issue resolution
- Strong analytical, organizational, and problem-solving skills
- Ability to communicate technical information effectively across cross-functional teams
- Ability to sit and work at a computer for extended periods of time
- Ability to occasionally lift and transport IT equipment up to 25 pounds
- Ability to support operational activities in laboratory, manufacturing, or launch support environments as needed
- Ability to maintain attention to detail while managing multiple priorities and deadlines
- Ability to respond effectively during time-sensitive operational support activities
- Ability to manage multiple priorities in a fast-paced operational environment
PREFERRED EXPERIENCE
- Experience supporting aerospace, defense, manufacturing, mission operations, or other highly regulated operational environments.
CesiumAstro considers several factors when extending an offer, including but not limited to, 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.
Skills
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Resume/CV, Full name, Email, Phone, Current location, Current company, LinkedIn URL
Short answers (2)
- If yes, please specify the individual(s) and the department or location in which they work: optional
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- As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. Are you a U.S. Person or eligible to obtain the required authorizations from the U.S. Department of State?
- Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at some point in the future. Otherwise select "No".
- Do you have a family member that is currently employed with CesiumAstro?
- Please indicate the highest level of education you have completed.
- Please select which of the following security clearances and/or access you currently hold. optional
- By submitting your application you hereby certify that the facts set forth in the above employment application are true and complete to the best of your knowledge. I certify that the information on this application is accurate and complete to the best of my knowledge and agree to have any of the information verified by CesiumAstro (the “Company”). By my signature below, I authorize any references submitted by me to the Company in support of this application to provide any and all information concerning my previous employment and any other pertinent information that they may have. I understand that I may be required to authorize the Company to obtain a consumer report or investigative consumer report, in accordance with applicable law, which authorization is contained in a separate document. Further, I release the Company and any other parties, agents, or persons from any and all liability or claims arising out of the disclosure or use of references or other information provided to the Company during the process of verifying the statements made in this application. I understand that any misrepresentation, falsification, or material omission of information on this application may result in my failure to receive an offer or, if I am hired, will result in my dismissal from employment. Furthermore, if hired, in consideration of my employment I agree to conform to the policies, rules and standards of the Company, including applicable safety rules, and agree that my employment can be terminated “at will” at any time, with or without cause, and with or without notice, either at my option or at the option of the Company. I understand that no employee or representative of the Company to which I am applying, has the authority to enter into any agreement for employment for any specified period of time, or to enter into any express or implied agreement to the contrary of at-will employment, except for a written agreement signed by me and the Chief Executive Office of the Company. I agree that this shall constitute a final and fully binding integrated agreement regarding the at-will nature of my employment relationship if I am hired. In addition, I understand that, if hired, I may be required as a condition of employment to take and pass drug and alcohol tests during employment to the extent required by policies of the Company consistent with applicable law. I acknowledge that I have personally completed this application, I have read all of the above statements, and understand them and agree to the terms and conditions therein. I confirm that I understand that my application may be subject to security checks under government regulations applicable in the aerospace and defense industry sectors. optional
- I have applied for employment with CesiumAstro, Inc. (the “Company”). In consideration of the Company's accepting and evaluating my application for employment, I hereby agree that I will comply with and be legally bound by the following terms and condition of this Agreement: 1. MAINTAINING THE CONFIDENTIALITY OF COMPANY PROPRIETARY INFORMATION. I understand that CesiumAstro, Inc. is an innovative company engaged in research and development, and that the Company's innovations and other Proprietary Information (as defined below) provide the Company with a competitive advantage in the marketplace. Accordingly, I agree to hold in strictest confidence, and not to disclose or make any use of at any time, any of the Company’s Proprietary Information which I may acquire or learn during my interview(s) or the application process for employment. The term “Proprietary Information” shall mean any and all trade secrets, confidential knowledge, data or any other proprietary information pertaining to any business of the Company or any of its customers, vendors, consultants, licensees or affiliates. 2. MAINTAINING CONFIDENTIALITY OF PROPRIETARY INFORMATION OF FORMER EMPLOYERS OR OTHERWISE ACQUIRED BY ME PRIOR TO MY EMPLOYMENT WITH THE COMPANY. I represent and agree that I will not breach any agreement to keep in confidence any third-party proprietary information, knowledge or data acquired by me in confidence or in trust prior to my application for employment with the Company. I will not improperly use, disclose or bring to the Company, or induce the Company to use, any confidential or proprietary information, documents or materials belonging to any previous employer or third parties. 3. NEW EMPLOYEE PROPRIETARY INFORMATION AND INVENTION AGREEMENT. I understand that if I am offered employment by the Company, and as a condition of my new employment, I will be required to enter into an attached New Employee Proprietary Information and Invention Agreement. Prior to any future employment with the Company, I acknowledge the opportunity to consult with legal counsel or other necessary advisors regarding the Agreement. optional