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Senior Systems Engineer, IT
Senior Systems Engineer, ITJBA International • Irvine, CA, United States
Senior Systems Engineer, IT

Senior Systems Engineer, IT

JBA International • Irvine, CA, United States
1 day ago
Job type
  • Full-time
Job description

Essential Duties and Responsibilities

  • Provide strategic direction and technical leadership for infrastructure design, implementation, and optimization.
  • Lead architectural discussions for Windows systems, cloud infrastructure (AWS, Azure), and hybrid solutions.
  • Manage and maintain Active Directory (AD), DNS, DHCP, and other critical systems.
  • Design, deploy, and maintain scalable, highly available solutions using cloud-native architectures in AWS and Azure.
  • Oversee the configuration and management of network infrastructure, including firewalls, switches, and load balancers.
  • Lead automation efforts for infrastructure deployment, configuration management using tools like PowerShell, Python, and Terraform.
  • Architect, implement, and manage LAMP / LEMP stack systems.
  • Establish comprehensive system monitoring and alerting for all environments to ensure high availability and rapid incident response (New Relic, Datadog, Prometheus, Grafana, Dynatrace).
  • Drive backup, disaster recovery (DR), and business continuity planning, including annual DR testing and refinement.
  • Act as the lead technical resource for the design and deployment of identity management solutions (SSO, MFA) using tools like Okta and Azure AD.
  • Collaborate with DevOps and development teams to optimize CI / CD pipelines, infrastructure as code (IaC), and containerized workloads.
  • Backup procedures to safeguard data security, ensure resource availability, maintain data integrity, and meticulously log and review application activities.
  • Mentor and coach junior system administrators and engineers, fostering skill development and knowledge sharing.
  • Own system documentation, process improvements, and adherence to IT best practices.
  • Troubleshoot and resolve complex system, network, and application issues efficiently.

Supervisory Responsibilities

  • Lead a team of engineers and administrators, providing mentorship, performance feedback, and fostering a culture of innovation and continuous learning.
  • Oversee project planning, resource allocation, and task prioritization for the infrastructure team.
  • Qualifications, Education and Experience

    To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and / or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • 7+ years of experience in systems engineering or infrastructure roles with a focus on architecture, implementation, and operational excellence.
  • 5+ years of experience in AWS and / or Azure environments, including designing and managing hybrid cloud solutions.
  • Proven expertise in network design and administration, including firewalls, VPNs, and high-performance switches.
  • Strong background in Windows Server administration and Linux-based environments (LAMP / LEMP stacks).
  • Hands-on experience supporting Microsoft 365 applications including (but not limited to) : Outlook, Word, Excel, PowerPoint, OneDrive, Teams and SharePoint.
  • Experience with enterprise identity and access management solutions, such as Okta or Azure AD.
  • Advanced proficiency in scripting and automation using PowerShell, Python, or similar technologies.
  • Hands-on experience with infrastructure monitoring tools and SIEM platforms, Deployment, Configuration. (New Relic, Datadog, Splunk, Zabbix, Prometheus, Grafana, Dynatrace)
  • Proven track record in disaster recovery planning, testing, and execution.
  • IT certifications such as Microsoft Certified Systems Engineer (MCSE), AWS Certified Solutions Architect, or Azure Solutions Architect are highly desirable.
  • Experience with Microsoft Security Stack not limited to ATP, Intune, Sentinel, Defender Endpoint
  • Skills and Competencies
  • Strong technical acumen and problem-solving skills with a focus on proactive system improvements.

  • Excellent project management and organizational skills, with the ability to manage multiple initiatives simultaneously.
  • Exceptional communication skills, including the ability to present complex technical concepts clearly to diverse audiences.
  • Customer-focused mindset with the ability to align technical solutions with business objectives.
  • Benefits

    Our benefit offerings include : Medical, dental, vision, wellness programs, EAP counseling services, FSA & HSA, company sponsored life insurance for employee, voluntary life insurance for employee, spouse and child, AD&D Insurance, voluntary short-term and long-term disability, critical illness insurance, accident insurance, legal assistance, pet insurance, living will and trust preparation discounts, commuter program, annual walking challenge, employee appreciation events and monthly sales awards.

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