Senior Systems Administrator – Azure & Security (Irvine, On‑Site)

DZYNE Technologies; Irvine (CA); On-site; USD 125,000 - 145,000; Full time

Benefits offered by this job

Healthcare benefits

401(k) plan with employer match

Paid time off & holidays

Job summary

DZYNE Technologies, based in Irvine, CA, seeks a Senior Systems Administrator to support on‑prem, cloud, and hybrid infrastructure. You will work with engineering teams and program stakeholders to ensure secure, scalable systems that underpin defense programs. Strong expertise in Windows/Linux, Azure Government, and virtualization is essential.

The role requires excellent communication, the ability to manage multiple projects, and willingness to travel up to 25%. A U.S.

Qualifications

• 7+ years in enterprise role with strong knowledge of network design and security in Azure environments.
• 7+ years Windows/Linux operating systems, networking design/protocols, and virtualization in regulated industries.
• 5+ years experience with VMware and other virtualization technologies.
• 5+ years Microsoft 365 administration experience.
• 5+ years enterprise-grade network storage experience.
• Strong knowledge of system security (OS, firewalls, IDS/IPS, VPN).
• Excellent communication skills and ability to collaborate.
• Willingness to travel up to 25%.

Responsibilities

• Provide end-to-end system administration for on-prem, cloud, and hybrid infra.
• Interact with end users, engineering teams, and program stakeholders.
• Maintain secure, scalable, compliant IT environments in defense context.
• Design and deploy complex local and cloud networks (LAN/WAN/VPN).
• Manage Azure Government / GCC High and Microsoft 365 configurations.
• Monitor networks and systems; respond to incidents and requests.
• Coordinate with security teams on firewall/IDS/IPS rules and hardening.
• Support and mentor junior admins; document configurations and changes.

Job description

DZYNE Technologies, based in Irvine, CA, seeks a Senior Systems Administrator to support on‑prem, cloud, and hybrid infrastructure. You will work with engineering teams and program stakeholders to ensure secure, scalable systems that underpin defense programs. Strong expertise in Windows/Linux, Azure Government, and virtualization is essential.

The role requires excellent communication, the ability to manage multiple projects, and willingness to travel up to 25%. A U.S.