Senior Systems Engineer: Cloud, Automation & Security

Jobtailor; Tustin (CA); On-site; USD 95,000 - 135,000; Full time

Job summary

Jobtailor seeks a seasoned IT Systems Administrator to join our California team. You will design and maintain scalable IT systems, configure servers and networks, manage VMware environments, and oversee cloud platforms such as AWS and Azure.

You will implement robust security controls, manage identity systems like Okta and Azure AD, and support the service desk while collaborating with cross-functional teams. On-call rotations and after-hours work are required.

Qualifications

• Bachelor’s degree in computer science, information technology, or related field.
• Certs such as MCSE, CCNP, or CompTIA Network+ are valued.
• 4+ years of IT experience in systems administration and security.
• Experience configuring Windows/Linux, LAN/WAN networks, virtualization, and cloud platforms.
• Scripting with PowerShell or Python and IT automation tools is beneficial.
• Strong knowledge of user management, backups, security policies, and monitoring.
• Familiar with firewall, VPN, VLANs, and network security concepts including IDS/IPS.

Responsibilities

• Attend business hours and maintain punctuality as part of daily operations.
• Comply with regulatory recordkeeping and data retention requirements.
• Collaborate with stakeholders to design scalable IT systems.
• Install, configure, and deploy servers, networks, OS, databases, and apps.
• Monitor health and performance of IT systems and resolve outages.
• Perform patching, updates, backups, and resource optimization.
• Troubleshoot performance bottlenecks and improve reliability.
• Provide end-user technical support for software/hardware issues.
• Document IT systems, network diagrams, configurations, and procedures.
• Implement security controls (firewalls, anti-virus, access controls, DR).
• Manage identity systems including Okta and Azure AD.
• Support Service Desk and collaborate cross-functionally.
• Join on-call rotation and perform after-hours maintenance as needed.
• Manage projects and deliver tasks on time with quality standards.

Skills

Windows Admin

Linux Admin

VMware / Hyper-V

Cloud platforms (AWS, Azure)

PowerShell / Python

Networking (LAN/WAN, VPN, VLANs)

Security concepts (IDS/IPS, encryption

Directory services (Azure AD, AD)

O365 / Intune / SharePoint / OneDrive

Education

Bachelor's degree in CS/IT

Tools

VMware Horizon View

Okta SSO

Proofpoint email filtering

Microsoft 365 / Intune

Microsoft Active Directory / Azure AD

SharePoint / OneDrive

8x8 voice platform

Job description

Jobtailor seeks a seasoned IT Systems Administrator to join our California team. You will design and maintain scalable IT systems, configure servers and networks, manage VMware environments, and oversee cloud platforms such as AWS and Azure.

You will implement robust security controls, manage identity systems like Okta and Azure AD, and support the service desk while collaborating with cross-functional teams. On-call rotations and after-hours work are required.