Senior IT & Infrastructure Administrator – Hybrid

Sophia Space Inc.; Pasadena, Northern (CA, KY); Hybrid; USD 107,000 - 160,000; Full time

Job summary

Sophia Space Inc. is seeking an experienced IT Infrastructure Engineer to own and scale internal IT systems for a rapidly growing engineering team in Pasadena, CA.

The role emphasizes secure, reliable, and scalable infrastructure across endpoints, identity, networking, and operational workflows to boost engineering productivity. This on-site position offers hybrid flexibility and requires navigating ITAR/EAR-compliant environments.

Qualifications

• 5+ years of experience in systems administration, IT infrastructure, or operations roles.
• Experience supporting mixed macOS and Windows environments.
• Strong experience with identity and access systems (SSO, SAML, SCIM, MFA, RBAC).
• Experience with endpoint management and MDM platforms.
• Strong troubleshooting skills across endpoints, networking, SaaS, and infrastructure systems.
• Familiarity with networking fundamentals (VPNs, VLANs, Wi-Fi, routing, firewalls).
• Experience supporting engineering or technical teams.
• Ability to operate independently and drive improvements with minimal oversight.
• Strong organizational and documentation skills.

Responsibilities

• Administer and maintain internal IT infrastructure, endpoints, and corporate services across the organization.
• Own and improve onboarding/offboarding workflows, including identity provisioning and access lifecycle management.
• Provision and maintain macOS, Windows, and Linux systems for engineering teams.
• Define and maintain standardized workstation configurations across software, avionics, and hardware teams.
• Manage hardware lifecycle, including procurement, deployment, tracking, and inventory.
• Administer identity and access systems (SSO, SAML, SCIM, MFA, RBAC, VPN access).
• Maintain MDM and device enrollment systems (e.g., Apple Business Manager, endpoint security tools).
• Support secure remote access infrastructure and workflows for distributed teams.
• Maintain and troubleshoot office and lab networking systems (Wi‑Fi, VPNs, VLANs, firewalls, segmentation).
• Resolve operational issues across endpoints, SaaS platforms, networking, and infrastructure systems.
• Develop and maintain IT documentation, runbooks, onboarding procedures, and operational standards.
• Support implementation of security controls aligned with frameworks such as NIST 800-171 and CMMC Level 2.
• Maintain operational records and asset inventories supporting audit readiness and compliance.
• Identify and implement improvements to operational efficiency, security posture, and scalability.
• Automate repetitive workflows and improve infrastructure reliability and usability.
• Partner with engineering leadership to minimize interruptions and improve developer productivity.

Skills

Systems administration

macOS & Windows support

Identity & access management

MDM platforms

Networking fundamentals

Scripting & automation

Documentation

Security controls

Independent work

Tools

Apple Business Manager

MDM tooling

Job description

Sophia Space Inc. is seeking an experienced IT Infrastructure Engineer to own and scale internal IT systems for a rapidly growing engineering team in Pasadena, CA.

The role emphasizes secure, reliable, and scalable infrastructure across endpoints, identity, networking, and operational workflows to boost engineering productivity. This on-site position offers hybrid flexibility and requires navigating ITAR/EAR-compliant environments.