Senior Linux Systems Administrator

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches in 2027, followed by additional Haven modules. Additionally, the company recently announced Vast Satellite, a high-power satellite product line leveraging its space station components and the heritage of Haven Demo.Headquartered in Long Beach, California, and with more than 1,000 employees and over a billion dollars in private capital, Vast has built the facilities required to manufacture and operate America’s next space station. The company plans to develop future habitats and systems for the Moon and Mars, dedicated space stations for government partners, and other crewed systems that will unlock the expanding long-term space economy.Vast is looking for a Senior Linux Systems Administrator, reporting to the Manager of IT System Administrators, to play a key role in designing, deploying, and maintaining Vast's Linux workstations and servers. You will be responsible for configuration management using Puppet, development of Ubuntu workstation images, supporting hardware and software developers, as well as resolving complex technical issues escalated from Tier 2 support. Your contributions will ensure scalable, secure, and efficient workstation & infrastructure operations.This will be afull-time, exempt position located in our Long Beach location.Responsibilities:Develop, test, and maintain Puppet manifests and modules for system configuration and complianceCreate and maintain standardized Ubuntu imaging processesTroubleshoot and resolve advanced system and application issues (Tier 2 & 3)Collaborate with cross-functional teams to support ongoing workstation improvements and patchingAssist with automation of infrastructure and deployment tasks using Terraform or similar toolsContribute to identity and access management systems, including LDAP / Active Directory integrationAssist with support for hardware and software developersDocument best practices, system configurations, and proceduresMinimum Qualifications:5+ years of professional experience in Linux system administration (Ubuntu or Debian-based preferred), performance tuning, and automation.3+ years of hands-on experience with Puppet in production environmentsProficient in scripting languages such as Bash or Python2 years Experience with GitPreferred Skills & Experience:Familiarity with infrastructure-as-code (Terraform, Ansible, etc.)Exposure to LDAP or Active Directory integration for authentication and authorizationExperience with physical server hardware, including racking, cabling, and maintaining rack-mounted serversExperience in cloud environments (AWS, Azure, or GCP)Experience with monitoring, logging, and metrics collection tools (e.g., Prometheus, Grafana, ELK stack)2 years experience with K8s or dockerUnderstanding of security compliance frameworks (e.g., NIST, FIPS, CIS)Pay Range: California$123,000—$174,600 USDWe calibrate level and compensation to the selected candidate's experience and demonstrated capability. We welcome applicants across a range of experience levels to apply.COMPENSATION AND BENEFITSBase salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand. Salary is just one component of our comprehensive compensation package. Full-time employees also receive company equity, as well as access to a full suite of compelling benefits and perks, including: medical, dental, and vision coverage for employees and dependents, generous paid time off; up to 20+ days of vacation for exempt staff and up to 10+ days of vacation for non-exempt staff with the ability to cash-out unused vacation annually, paid parental leave, short and long-term disability insurance, life insurance, access to a 401(k) retirement plan, ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.U.S. EXPORT CONTROL COMPLIANCE STATUSThe person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. This status includes U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.EQUAL OPPORTUNITYVast is an Equal Opportunity Employer; employment with Vast is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.