Systems Administrator III

Company Description

GigCode
is a new venture founded and led by former Firefly Aerospace leadership, including founder and former CEO Tom Markusic and former CIO Pete Starnes. After leading Firefly through its growth into a New Space unicorn, culminating in its 2025 IPO and historic commercial lunar landing, the team came together to launch
GigCode
.

We are focused on building
end-to-end, compliant IT platform
that enable
New Space
,
aerospace
,
defense-adjacent
, and
advanced AI and ML
companies to operate securely, scale confidently, and meet the demands of regulated environments.

Role Description

We are seeking a
senior Systems Administrator III
to own day-to-day systems operations and contribute to the ongoing evolution of our platform. This is a hands-on role with meaningful ownership. You will work closely with senior leadership providing strategic direction and will have influence over tooling, standards, and operational practices as the environment scales. If you enjoy working across both Linux and Windows systems, operating in security-focused environments, and supporting modern workloads including AI and ML platforms, this role is for you.

• Administer and support
  Linux and Microsoft Windows Server
  systems
• Manage
  Active Directory, Group Policy, DNS, DHCP, certificates, and identity controls
• Patch, harden, monitor, and troubleshoot systems and core services
• Support virtualization and private cloud platforms
• Proxmox, KVM, Hyper-V, OpenStack exposure preferred
• Manage backups, restore testing, and storage platforms
• Implement logging, audit controls, and security hardening
• Support regulated environments aligned with
  CMMC, NIST , and ITAR
• Automate routine tasks using
  PowerShell, Bash, or Python
• Collaborate closely with cloud engineers, vendors, and leadership

Qualifications

• 7+ years of systems administration experience
• Strong hands-on experience with
  both Linux and Windows Server
• Solid Active Directory and authentication experience
• Experience with virtualization platforms
• Strong troubleshooting skills across OS, storage, and networking
• Comfortable operating independently in security-focused environments

Nice to Have

• Experience with
  Ansible, Terraform, or infrastructure-as-code concepts
• OpenStack or Ceph exposure
• Containers or orchestration experience
• Exposure to
  AI/ML platforms or MLOps environments
• Engineering, HPC, or compute-intensive workload exposure
• Familiarity with compliance frameworks (CMMC, NIST, ISO 27001)

Eligibility and Security Requirements

• Must be a
  U.S. Person as defined by ITAR (22 CFR §120.15)
• U.S. citizen, lawful permanent resident, or protected individual
• Ability to pass
  background checks
  and ongoing suitability requirements
• Ability to access
  controlled technical data
  and secure environments