Senior DevOps Engineer — Scale IT Infra & Security

Hermeus; Los Angeles (CA); On-site; USD 136,000 - 227,000; Full time

Benefits offered by this job

Health care (100% employer-paid)

401(k) retirement plan

Unlimited PTO

Weekly office lunches

Fully stocked breakrooms

Stock options

Paid parental leave

Job summary

Hermeus is seeking a hands-on Senior DevOps Engineer to build, fix, automate, and secure critical IT systems in a fast-moving environment. You will define and scale infrastructure supporting our growing defense aviation business.

The role focuses on identity management, infrastructure automation, and cross‑team collaboration to improve uptime, security posture, and performance across Windows, macOS, Linux, and cloud/on‑prem environments.

Qualifications

• 7+ years in enterprise IT engineering, architect, or sysadmin roles.
• Deep experience with Microsoft 365, Entra ID/Azure AD, and Intune.
• Strong automation and scripting skills (PowerShell, Terraform, Ansible).
• Proven ability to secure and support cross‑platform environments (Windows/macOS/Linux).

Responsibilities

• Administer Microsoft 365 suite including Entra ID and Intune.
• Automate infrastructure and CI/CD workflows using listed tools.
• Manage on‑prem and cloud infrastructure in AWS/Azure, with IAM and networking.
• Triage escalations and collaborate with security, software, and ops teams.
• Maintain IT documentation, SOPs, and runbooks.

Skills

Microsoft 365 expertise

Automation & scripting

Cross-platform support

Regulated environments experience

Security and IAM focus

Tools

GitLab CI/CD

PowerShell

Terraform

Ansible

C#/.NET

AWS/Azure administration

Job description

Hermeus is seeking a hands-on Senior DevOps Engineer to build, fix, automate, and secure critical IT systems in a fast-moving environment. You will define and scale infrastructure supporting our growing defense aviation business.

The role focuses on identity management, infrastructure automation, and cross‑team collaboration to improve uptime, security posture, and performance across Windows, macOS, Linux, and cloud/on‑prem environments.