Linux System Administrator

About the position

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. In this position, you will be responsible for the IT infrastructure of a growing company, including network security, hardware management, user support, administration, software licensing, compliance with federal standards, and designing and implementing IT processes and procedures. The successful candidate will be experienced in corporate IT systems, policies, and procedures. The ideal candidate has direct experience with federal requirements for IT systems (such as NIST 800-171) and ITAR/EAR regulations. The ideal candidate is extremely organized, articulate, flexible, quick to grasp business needs, a team player, an excellent written and oral communicator, and eager to learn.

Responsibilities

• Build, deploy, and administer Linux servers, workstations, and lab systems, including virtual machines.
• Manage network configurations.
• Manage Cesium Gitlab repositories.
• Manage Jira and Confluence.
• Manage Docker desktop, swarm, and Kubernetes.
• Support Windows and Linux machines in an Active Directory environment.
• Provide input on and implement security requirements for NIST and CMMC compliance.
• Respond to issues in a timely manner.
• Maintain hardware, software, and licensing inventory and baselines.
• Develop processes and procedures and create documentation.
• Identify software and infrastructure needs and suggest solutions.

Requirements

• Minimum 3 years of experience in corporate information technology, specializing in Linux operating systems.
• Experience in scripting languages like Bash, Python, or Perl for automation of system tasks and integration of systems.
• Extensive experience with administration of both Windows and Linux systems.
• Experience with IT for software engineering organizations.
• Strong oral and written communication skills.
• Proficiency with Linux (Ubuntu, Debian, RHEL), VMware ESXi, Microsoft 365, SharePoint, WSL, SQL Server, and Active Directory.
• Experience with automated management tools.
• Experience supporting engineering software, hardware, and licensing servers.

Nice-to-haves

• 5+ years of sysadmin experience, specializing in Linux operating systems.
• Computing resources for high-performance engineering workstations.
• Familiarity with project management methodologies and tools, which can be useful in implementing IT processes and procedures.
• Proficiency in advanced networking concepts, including VLANs, NAT, network protocols (such as TCP/IP, DNS, SMTP, SNMP), VPN configuration, and troubleshooting network issues.
• Implementing information security frameworks such as NIST SP 800-171 and CMMC.
• IT-related certifications.

Benefits

• Company stock options
• Health insurance
• Dental insurance
• Vision insurance
• Health Savings Account (HSA)
• Flexible Spending Account (FSA)
• Life insurance
• Retirement plans