Systems Administrator

Location

Irvine HQ

Full time

On-site

Information Technology

• $110K – $170K

Base 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.

• Manage and maintain production server environments, ensuring maximum uptime and performance
• Administer Microsoft Entra  (Azure Active Directory) including user provisioning, group policies, and conditional access policies
• Configure and manage Gusto/Entra n for automated employee onboarding and off-boarding workflows
• Administer on-premises Active Directory Domain Services (AD DS) infrastructure, including domain controllers, Group Policy, and DNS
• Design, implement, and maintain PKI infrastructure using Step CA or similar certificate authority solutions
• Support and troubleshoot Windows Server and Linux systems across physical and virtual environments
• Manage virtualization platforms including Proxmox, VMware vSphere, Hyper‑V, or similar technologies
• Administer and maintain TrueNAS storage systems, including configuration, performance optimization, and capacity planning
• Deploy, configure, and manage Manage Engine solutions for IT operations, asset management, and service desk functions
• Implement and maintain comprehensive backup and disaster recovery solutions with documented procedures and regular testing
• Monitor system performance and respond to alerts and incidents
• Automate routine tasks using Power Shell, Bash, and Python scripting
• Working knowledge of AWS cloud infrastructure including EC2, S3, VPC, IAM, and other core services
• Collaborate with development and operations teams to support application deployments
• Maintain comprehensive documentation of systems, processes, and procedures
• Implement and maintain security controls in accordance with NIST 800‑171, CMMC, and other relevant compliance frameworks
• Ensure systems meet government security requirements and support audit activities
• Provide technical guidance and support to junior team members

• Production Server
  
  Experience:
  
  Proven track record managing mission‑critical production environments with high availability requirements
• Entra :
  Hands‑on experience with Microsoft Entra  (Azure AD) administration, including identity governance, conditional access, and hybrid identity scenarios
• Active Directory Domain Services (AD DS):
  Extensive experience deploying and managing AD DS, including forest/domain design, Group Policy management, and integration with cloud identity services
• Windows/Linux Expertise:
  Advanced proficiency in both Windows Server (2016/2019/2022) and Linux distributions (RHEL, Ubuntu, CentOS)
• Scripting & Automation:
  Demonstrated experience with Power Shell and Bash scripting for automation and system management
• Virtual Machine
  
  Experience:
  
  Solid experience with virtualization technologies such as Proxmox, VMware vSphere, Hyper‑V, or AWS EC2
• Storage Administration:
  Experience managing enterprise storage solutions such as TrueNAS or similar NAS/SAN platforms
• Security & Compliance:
  Understanding of security best practices and experience implementing controls for regulated environments

• Bachelor's degree in computer science, Information Technology, or equivalent experience
• 5+ years of systems administration experience, preferably in regulated industries (aerospace, defense, or government contracting)
• Strong understanding of networking concepts (TCP/IP, DNS, DHCP, VPN, VLANs)
• Experience with monitoring and alerting tools
• Excellent problem‑solving and analytical skills
• Strong communication skills and ability to work in a team environment
• Ability to work in a fast‑paced environment and manage multiple priorities
• Commitment to maintaining confidentiality and handling sensitive information

• Active or ability to obtain security clearance
• Experience with NIST 800‑171, CMMC (Cybersecurity Maturity Model Certification), or ITAR compliance
• PKI…