York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively. We're looking to expand our team across the board.
We are seeking a Senior Systems Administrator responsible for the design, implementation, maintenance, and optimization of the organization's server infrastructure. This role ensures high availability, reliable performance, and strong security across on-premises and cloud-based systems. The Senior System Administrator also provides technical leadership, mentors junior team members, and collaborates closely with cross-functional teams to deliver stable, scalable, and secure IT services.
Responsibilities- Architect, deploy, and maintain Windows and Linux server environments, including physical, virtual, and cloud-based platforms.
- Manage Active Directory, DNS, DHCP, Group Policy, and identity-related services.
- Administer virtualization platforms (VMware, Hyper-V, or equivalent), ensuring performance, capacity planning, and resource optimization.
- Oversee patching strategies, OS upgrades, and lifecycle management for server systems.
- Monitor server performance, logs, and alerts; troubleshoot and resolve complex systems issues.
- Implement and enforce security best practices, including hardening, access controls, vulnerability remediation, and compliance with organizational standards.
- Support backup, recovery, and disaster recovery planning, including routine testing and documentation.
- Collaborate on infrastructure roadmaps and recommend improvements for performance, reliability, security, and scalability.
- Maintain detailed system documentation, diagrams, and operation procedures.
- Provide tier-3 support for escalated incidents and mentor junior administrators.
- Participate in on-call rotation as required.
Qualifications- 5-7 + years of experience administering enterprise-level server environments.
- Strong proficiency with Windows Server and Linux environments.
- Expertise with virtualization platforms such as VMware vSphere or Hyper-V.
- Hands-on experience with Active Directory, DNS, DHCP, file systems, and Group Policy.
- Solid understanding of networking fundamentals (TCP/IP, routing, firewalls).
- Experience with backups and disaster recovery technologies.
- Ability to manage complex technical projects with minimal supervision.
- Excellent analytical, documentation, and communication skills.
- Self-starter.
- 100% in office requirement.
Benefits- 100% employer-paid medical, dental, and vision insurance (subject to spousal surcharge).
- Company holidays, floating holidays, and sick time.
- Unlimited PTO.
- Generous 401(k) match.
How To ApplyInterested candidates are encouraged to apply by clicking the "Apply" link at the top of the page. York Space Systems will be accepting applications on a rolling basis until the position is closed. York Space Systems provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, military or protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Must have permanent authorization to work in the United States. This policy applies to all terms and conditions or employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. YORK SPACE SYSTEMS IS AN EEO EMPLOYER.
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