Systems Engineer III

O'Neil Digital Solutions, LLC; Los Angeles (CA); On-site; USD 115,000 - 130,000; Full time

Benefits offered by this job

10% yearly bonus target

Job summary

O'Neil Digital Solutions, LLC in Los Angeles is looking for a Systems Engineer III to design, implement, and lead enterprise infrastructure solutions. This role will involve providing advanced troubleshooting and architectural guidance, while mentoring junior engineers.

The ideal candidate has at least 5 years of experience and a strong background in cloud environments, particularly AWS, along with expertise in automation and cybersecurity practices.

The position offers a competitive salary between $115K - $130K plus a performance bonus.

Qualifications

• Minimum 5 years of experience in systems engineering or related technical roles.
• Advanced experience with Microsoft Windows Server environments.
• Proficiency in infrastructure automation and scripting.

Responsibilities

• Lead the design and implementation of enterprise infrastructure solutions.
• Serve as a technical lead for core technologies.
• Mentor Systems Engineers and technical staff.

Skills

Microsoft Windows Server Administration

Active Directory and Group Policy

Cloud Support (AWS)

Virtualization Technologies

Infrastructure Automation (PowerShell, Python)

Cybersecurity Principles

Networking and Server Infrastructure

Education

Bachelor's degree in Computer Science or related field

AWS Solutions Architect certification

Tools

Terraform

Ansible

Job description

Data Analysis Incorporated (DAI) is the controlling entity of the O’Neil family of businesses. DAI and its subsidiaries operate in diverse industries worldwide, including global equity markets, health care, financial services, digital news, and insurance. Our global footprint allows our teams to be responsive to customer needs in a timely and efficient manner. We are dedicated to using technology and innovation to bring change and growth to our businesses. We believe in a dynamic workplace, creating engaging, informative products and services that help our customers succeed. Integrity is an essential characteristic for our firms and our associates.

Summary

The Systems Engineer III serves as a senior technical resource responsible for the design, implementation, optimization, and support of enterprise infrastructure, cloud platforms, and critical business systems. This role leads complex infrastructure initiatives, drives automation and operational excellence, mentors junior engineers, and provides advanced troubleshooting and architectural guidance across multiple technologies. The Systems Engineer III operates with a high degree of autonomy while partnering with business and technology teams to ensure secure, scalable, and highly available systems.

Compensation

$115k - $130K base + 10% yearly bonus target

Duties and Responsibilities

• Lead the design, implementation, and lifecycle management of enterprise infrastructure solutions including servers, storage, virtualization, cloud platforms, and identity services.
• Serve as the technical lead and subject matter expert for multiple core technologies, providing advanced troubleshooting and root cause analysis for complex system issues.
• Architect and implement automation, monitoring, alerting, patch management, and configuration management solutions to improve operational efficiency and reliability.
• Lead infrastructure modernization projects including cloud adoption, disaster recovery improvements, system migrations, security enhancements, and capacity planning initiatives.
• Develop technical standards, architecture documentation, operational procedures, and best practices to ensure consistency and scalability across the environment.
• Mentor Systems Engineers and technical staff through training, knowledge sharing, and project leadership while serving as an escalation resource.
• Research, evaluate, and recommend emerging technologies and infrastructure solutions that align with organizational objectives and future growth.

Qualifications & Requirements

Required Education, Experience, Certification/Licensure

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field, or equivalent combination of education and experience.
• Minimum 5 years of progressive experience in systems engineering, infrastructure administration, or related technical roles.
• Advanced experience administering Microsoft Windows Server environments, Active Directory, Group Policy, Microsoft 365, and enterprise infrastructure platforms.
• Strong experience supporting cloud environments, preferably AWS.
• Advanced knowledge of virtualization technologies, storage systems (SAN/NAS), networking, and server infrastructure.
• Experience designing and implementing highly available, resilient enterprise systems.
• Proficiency with infrastructure automation, scripting, or configuration management tools (PowerShell, Python, Terraform, Ansible, or similar).
• Strong understanding of cybersecurity principles, access management, vulnerability remediation, and infrastructure security best practices.

Preferred Education, Experience, Certification/Licensure

• AWS Solutions Architect, Azure Administrator, VMware, Microsoft, or equivalent infrastructure certifications.
• Experience supporting hybrid cloud environments.
• Experience with disaster recovery planning and business continuity initiatives.
• Experience implementing Infrastructure as Code (IaC) methodologies.

KNOWLEDGE, SKILLS AND ABILITIES (KSAs)

• Demonstrated ability to independently lead complex technical initiatives and infrastructure projects.
• Advanced analytical and troubleshooting skills with the ability to resolve highly complex technical issues.
• Strong understanding of enterprise architecture, systems integration, and infrastructure scalability.
• Ability to communicate complex technical concepts effectively to both technical and non-technical audiences.
• Strong mentoring, coaching, and knowledge-sharing capabilities.
• Ability to balance operational support responsibilities while managing multiple concurrent strategic initiatives.

Working Conditions

Must be able to perform essential job duties. Work is performed primarily in an office environment. Typically requires the ability to sit for extended periods of time (66%+ each workday), hear the telephone, and enter data on a computer and may also require the ability to lift up to 10 pounds.

Equal Opportunity Employer

Data Analysis Inc is an equal opportunity employer. All aspects of employment, including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law.